U-601423, 1988 Annual Radiological Environ Monitoring Rept
| ML20245F103 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 12/31/1988 |
| From: | Holtzscher D ILLINOIS POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| U-601423, NUDOCS 8905020259 | |
| Download: ML20245F103 (226) | |
Text
{{#Wiki_filter:- _ _ - _ _ - - - - - _ _ - _ _ _ _ - - _ _ _ . _ _ _ _ _ _ _. ILLIXOIS POWER COMPANY ' CLINTON POWER STATION 1988 ANNUAL RADIOLOGICAL ENVIRONMENTAL MONITORING REPORT ; l V
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i 1988 }- RADIOLOGICAL ENVIRONMENTAL NONITORING. REPORT FOR THE CLINTON POWER STATION Prepared by Radiological Environmental Group Radiation Protection Department May 1, 1989 L ]
l-i TABLE OF CONTENTS ITEM PAGS LIST OF TABLES 3 LIST OF FIGURES 5 I., EXECUTIVE
SUMMARY
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. II. INTRODUCTION 9 A. Characteristics of Radiation 10 '
B. Sources of Radiation Exposure 11 C. Description of the Clinton-Power Station 15 D. Nuclear Reactor Operations 16 E. Containment of Radioactivity 17 F. Sources of Radioactive Effluents 18-G. Radioactive Waste Processing 22 III. RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM. (REMP) 24 A. Program Description . 25 B. Direct Radiation Monitoring 60-C. Atmospheric Monitoring 64 D. Aquatic Monitoring' 70 Fish 70 Shoreline Sediments 71 Bottom Sediments 72 Aquatic Vegetation (Periphyton) 73 E. Terrestrial Monitoring 74 Milk 75 Grass 77 Vegetables 77 Meat 78 Soil 78 F. Water Monitoring 80 Drinking Water 80 Surface Water 81 Well Water 85 G. Quality Assurance Program 88 H. Changes to the REMP During 1988 98 i L
1 l i TABLE OF CONTENTS (Cont'd) ITEM PAGE' IV. ANNUAL LAND USE CENSUS 99 Summary of Changes Identified in 1988 Annual Land Use Census 101 P V- METEOROLOGICAL CHARACTERISTICS 105 A. Description 106 B. Climatological Summary - 1988 110 VI. LIST OF REFERENCES 121 VII. APPENDICES 126 A. . Exceptions to the REMP During 1988 128 B. REMP Sample Collection and Analysis Methods 143 C. Glossary. . 149 D. CPS Radiological Environmental Monitoring Results During 1988 153 i l 1 2 i
LIST OF TABLES ' TABLE SUBJECT PAGE 1 Common Sources of Radiation 14 2 1988 Radionuclides Composition of CPS ! Effluents ! 21 1 3 Clinton Power Station Sample Codes 33 4 REMP Sample Locations 34 5 1988 REMP Sampling and Analysis Frequency Summary 40 6 Radiological Environmental Monitoring Program Annual Summary 43 7 1988 Annual TLD Results 61 1 j 8 Quarterly Average TLD Results 64 j 9 1988 Average Gross Beta Concentrations in Air Particulate 67 10 1988 Average Monthly Gross Beta I Concentrations in Air Particulate 68 11 1988 Average Tritium Concentrations in Surface, Drinking and Well Water 86 12 1988 Average Gross Beta Concentrations in Surface, Drinking and Well Water 87 l j 13 U.S. EPA Crosscheck Program : 90 l 14 In-House Spiked Samples 93 15 In-House Blank Samples 95 16 Acceptance Criteria for " Spi'ked" Samples 97
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17 Changes to the REMP During 1988 98 18 1988 Annual Land Use Census 103 19 ) Climatological Data from Weather Stations Surrounding the Clinton Power Station 109 ' 3
LIST OF TABLES (Cont'd) TABLE SUBJECT PAGE 20 Classification of Atmospheric Stability 111 21 Annual Joint Frequency Distribution of Meteorological Parameters During 1988 112 \ 4
r LIST OF FIGURES FIGURE FUBJEQI PAGE 1 Dose Contributions to the U. S. Population from Principal Sources of Radiation Exposure 14 2 Clinton Power-Station Basic Plant Schematic 19 3 Potential Exposure Pathways of Man Due to Releases of Radioactive Material to the Environment 27 4 REMP Sample Locations within 1 Mile 29-5 REMP Sample Locations,from 1 - 2 Miles 30 6 REMP Sample Locations from 2 - 5 Miles 31 7 REMP Sample Locations Greater than 5 Miles. 32 , 8 Direct Radiation; Quarterly j (a) Preoperational, (b) 1988 TLD Averages 63 ; 9 Gross Beta Activity;-(a) Preoperational, . (b) 1988 Averages in Air Particulate 69 ) 10 Strontium-90 Activity in Milk 76 11 Gross Beta Activity in Soil 79 12 Cesium-137 Activity in Soil 79 i 13 Gross Beta Activity in Drinking Water 82-14 Gross Beta Activity; (a) Preoperational, (b) 1988 Averages in Surface Water 84 15 Annual Land Use Census, Nearest Residence (R), Garden (G), and Milk Animal (M) within 5 miles 104~ 16 1968 Annual Clinton Power Station 10-Meter Wind Rose 119 l l 17 1988 Annual Clinton Power Station 60-Meter Wind Rose 120 5 5 q [ l
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CLINTON POWER STATION OPERATIONAL RADIOLOGICAL ENVIRONMENTAL MONITORING REPORT FOR 1988' I. E_XECUTIVE
SUMMARY
This report describes the Operational Radiological Environmental Monitoring Program (REMP) conducted during 1988 in the-vicinity of the Clinton Power Station. The REMP was performed in 1988 as required by the Clinton Power Station Operating License. The purpose of the REMP is to assess any radiological impact upon the surrounding environment due to the operation of the Clinton Power Station. Over 1600 environmental samples were collected during 1988. These samples represented direct radiation; atmospheric, terrestrial, and aquatic environments; and Clinton Lake surface water and public drinking water supplies. More than 2100 analyses were performed on ; these samples and the results showed that radioactivity _ i' levels were similar to the preoperational levels. Direct radiation measurements were taken at 82 locations using thermoluminescent dosimeters. The 1 average annual dose at the indicator locations was 70 i mrem. The average annual dose at the control locations I was 71 mrem. This is' consistent with the' annual average of 74 mrem at indicator locations and 72 mrem at control locations during the preoperational program. Atmospheric monitoring results for 1988 were within the
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same range as environmental measurements made prior to the commercial operation of the Clinton Power Station (preoperational data). Iodine-131 was not detected in any atmospheric samples during 1988. Terrestrial monitoring includes analyses of vegetation samples, grass samples, milk samples, meat samples and soil samples. Results of the analyses showed natural radioactivity and radioactivity attributed to other historical nuclear events (i.e. fallout from nuclear weapons testing and the 1986 Russian reactor accident at Chernobyl). The radioactivity levels detected were consistent with the preoperational results. Aquatic monitoring includes analyses of fish samples, lake bottom sediment camples, lake shoreline sediment , samples and aquatic vegetations (periphyton) samples. ! In 1988 low levels of radioactivity were detectel in several periphyton samples. These results.were well below any regulatory limits and were consistent with 7
the activity released through liquid effluents. Other i sampled media showed that radioactivity levels were consistent with the levels in the preoperational program. Ground and surface water monitoring results were consistent with the results obtained during the preoperational program. For example, the annual i average gross beta concentration in surface water was 2.9 picocuries per liter at the indicator stations and 2.8 picocuries por liter at the control station during 1988, and 2.6 picocuries per liter at the indicator stations and 2.3 picocuries per liter at the control station during the preoperational program. Releases of gaseous and liquid radioactive materials were accurately measured in plant effluente during 1988. No release exceeded or even approached the limits specified in the Clinton Power Station Operating License. A total of 13.23 curies of gaseous effluents and 3.01 curies of liquid effluents were released during 1988. Of these totals, 8.83 curies of tritium in gaseous effluents and 2.90 curies of tritium in liquid effluents were released during 1988. Radiological environmental measurements taken during 1988 demonstrated that operational and engineered controls on the radioactive effluents released from Clinton Power Station functioned as designed. Any radioactivity that was detected in the environment at ; indicator locations was compared against both the i measurements at control locations and preoperational results. These comparisons show that the operation of Clinton Power Station during 1988 had negligible impact i on the environment. 1 l 8
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l II. INTRODUCTION The following background information regarding basic radiation characcer23 tics, plant operations, radioactive effluent controls and environmental monitoring is provided to assist the reader in reviewing this document. l A. Characteristics of Radiation ! Atoms whose nuclei contain an excess of energy are called radioactive atoms. They release this i excess energy by expelling electromagnetic or particulate radiation from their atomic centers to become stable (non-radioactive). This process is called " radioactive decay". X-rays and gamma rays are similar in many ways to visible light, microwaves and radio-waves. Particulate radiation f may be either electrically charged such as alpha j and beta particles, or have no charge, like neutrons. The term " half-life" refers to the time it takes for half of a given amount of a radionuclides to' decay. Some radionuclides have a half-life as short as a fraction of a second, ' while others have a half-life as long as a million years. Radionuclides may decay directly into stable elements or may undergo a series of decays which ultimately end up reaching a stable ele.nent. Radionuclides are found in nature (e.g., I radioactive uranium, thorium, carbon and potassium), and may also be produced artificially in accelerators and nuclear reactors (e.g., radioactive iodine, cesium and cobalt). The activity of a radioactive source is the number of nuclear disintegrations (decays) of the source " per unit of time. The unit of activity is the curie. A one curie radioactive source undergoes 3 2.2 trillion disintegrations per minute, but in the realm of nuclear power plant effluents and { environmental radioactivity, this is a large unit. Therefore, two fractional units, the microcurie and the picocurie, are more commonly used, The microcurie (uci) is one millionth of a curie (Ci) and represents 2.2 million decays per minute. The ; j picocurie (pci) is one millionth of a microcurie ! and represents 2.2 decays per minute. Anothe way of comparing the pCi and the Ci is by analogy with distances. A picocurie would be the width of a W pencil mark while a curie would be 100 trips around the earth. , i 10 l
The curie:is directly proportional to the half- i life and the atomic mass of the radionuclides. For example, uranium-235'(U-235) with a half-life of ) 704 million= years requires about 462,400 grams to i obtain an activity of one curie. But' iodine-131 1 (I-131) with a half-life of 8.04 days only requires about 0.003 grams to produce an activity of one curie. l Any mechanism that can supply the' energy necessary. to ionize an atom, break a_ chemical bond, or alter-the chemistry of a living cell is capable of producing biological damage. Electromagnetic and particulate, radiation can produce cellular damage in any of these ways. In assessing the biological effects of radiation, the type, energy, and amount of radiation must be considered. l External total. body radiation involves exposure of all organs. Most background exposures are of this form. When radioactive elements enter the body through inhalation or ingestion, their distribution is not uniform. For example, radiciodine selectively concentrates in the thyroid gland, whereas-radiocesium collects in muscle and liver tissue, and radiostrontium collects in mineralized bone. The total dose to organs by a given radionuclides is also influenced by the quantity and the duration of time that the radionuclides remains in the body. Owing to radioactive decay and metabolism certain radionuclides stay in the body for very_short times while others remain for years. l The amount of radiation dose which an individual receives is expressed in rem. Since human exposure to radiation usually involves very small exposures, the millirem (mrem) is the unit most commonly used. One millirem is one thousandth of a rem. B. Sources of Radiation Exoosure ' Many sources of radiation exposure exist. The most common and least controllable source is background radiation from cosmic' rays and terrestrial radioactivity which mankind has always lived with and always will. Every second of our lives, over seven thousand atoms undergo radioactive decay in the body _of the average adult. 11
Radioactive elements have always been a part of our planet and everything which has come from the earth including our own bodies is, therefore, naturally radioactive. Radioactive materials found in the earth's crust today consist of such radionuclides as potassium-40 (K-40), uranium-238 (U-238), thorium-2.2 /Th-232), radium-226 (Ra-226) and radon 222 (Rn-222). These radionuclides are introduced into the water, soil and air by such natural processes as volcanic activity, veathering, erosion and radioactive decay. Some of the na*urally occurring radionuclides, such as radon, are a significant source of , radiation exposure to the general public. Radioactive radon is a chemically inert gas ] produced naturally in the ground as a part of the I uranium and thorium decay series. Radon continues to undergo radioactive decay, producing new natarally radioactive materials called " radon i daughters". These new materials, which are solid I particles, not gases, can stick to surfaces such as dust particles in the air. Concentrations of radon in air are variable and are affected by concentrations of uranium and thorium in soil, altitude, soil porosity, temperature, pressure, soll moisture, rainfall, snow cover, atmospheric, conditions, and season. It can move through cracks and openings into basements of buildings and become trapped in a small air volume indoors. Thus, indoor radon concentrations are usually higher than those found outdoors. Building materials such as cinder blocks and concrete are radon sources. Radon can also be dissolved in well water and contribute to airborne radon in houses when released through showers or washing. Dust containing radon daughter particles can be inhaled and deposited on the surface of an individual's lung. Radon daughters emit high energy alpha radiation dose to the lung lining. Table 1 shows the average annual effective dose due to radon. l About three hundred cosmic rays originating from outer space pass through each person every second. l The interaction of cosmic rays with atoms in the earth's atmosphere produces radionuclides such as beryllium-7 (Be-7), beryllium-10 (Be-10), carbon-14 (C-14), tritium (H-3), and sodium-22 (Na-22). Portions of these radionuclides become deposited on land or in water while the remainder stay suspended in the atmesphere. 12
Consequently, there are_ natural radioactive materials in the soil, water, air and building materials which contribute to radiation doses to the human body. Natural drinking water.contains trace amounts of uranium and radium; milk contains I measurable amounts of K-40. Sources of natural radiation and their average contributing radiation doses are summarized in Table 1. Figure 1 graphically shows the percent contribution from l radiation exposure to the general population of the United States. Radiation exposure levels from l natural radiation fluctuate with time and also can. vary widely from location to location. The average individual in the United States receives approximately three hundred mrem per' year from natural sources. In some areas of the country, the dose from natural radiation is significantly higher. Residents of Colorado, five thousand feet above sea level, receive additional dose due to the increase in cosmic and terrestrial radiation levels. In fact, for every one thousand feet in elevation above sea level, an individual will receive an additional one mrem per year from cosmic radiation.- In several areas of the world, high concentrations of mineral deposits result in natural background radiation levels of several thousand mrem per year. l In addition to natural background radiation, the average individual is exposed to radiation from a number of man-made sources. The largest of these sources comes from medical diagnosis: X-rays, l CAT-scans, fluoroscopic examinations and radio- ' pharmaceuticals. Approximately 160 million people in the United States are exposed to medical or dental X-rays in any given year. The annual dose to an individual from such irradiation averages 53 mrem. Smaller doses from man-made sources come from consumer products (television, smoke detectors, fertilizer), fallout from prior nuclear weapons tests, and production of nuclear power and its associated fuel cycle. Fallout commonly refers to the radioactive debris that settles to the surface of the earth following the detonation of nuclear weapons. Fallout is dispersed throughout the environment but can be washed down to the earth's surface by rain or snow. 13
TABLE _1 COAIMON SOURCES OF RADIA TION A. Average Annual Ef fective Dose Equivalent to the U.S. Population '
- 1. Natural Sources mrem
- a. Radon 200
- b. Cosmic, Terrestrial, Internal 100
- 2. Man-Made Sources mrem
- o. Medical X-ray Diagnosis 39 Nuclear Medicine 14 l
- b. Consumer Products 10
- c. Occupational 1
- d. Miscellaneous Environmental <1
- e. Nuclear Fuel Cycle <1 Approximate Total 360 NCRP87a l PERCENTAGE OF CONTRIBUTION CONSUMER PRODUCTS (3%)
NUCLEAR MEDICINE (45) , Q/ .i X-RAY DIAGNOSIS (115) yl7-[N / \ OTHER (<t'X) i MISC, ENVIRONMLNI AL 4 s [Q [ N' . - SOURCES -. s % y, ' NUCLEAR F ULL CYCLE '\ OCCUPAllUNAL \ . . Y/
,4 A COSMIL,l L FRE S I RI AL IN T E RN ALi(' rt)
N RADON ($$%) s - V i FIGURE 1: DOSE CONTRIBUTIONS TO THE U.S. POPUl.A TION FRO.11 PRINCIPAL, SOURCES OF RADIA TION EXPOSURE 14 I J
i I I There are' approximate ~y two hundred radionuclides { produced in the nuclear weapon detonation process; ! a number of these are detected in fallout. The ( radionuclides-found in fallout which produce most of the fallout radiation exposures to wan are ] iodine-131 (I-131) , strontium-89 (Sr-89),. strontium-90 (Sr-90), and cesium-137 (Cs-137). l C. Description of the Clinton Power Station j i The Clinton Power Station is located'in Harp { Township, DeWitt County,' Illinois. It is .j approximately six miles 6ast of the city of 4 Clinton, Illinois, l l The station, its V-shaped cooling lake, and the surrounding Illinois Power Company-owned land enclose 14,182 acres. This includes the 4,895 acre man-made cooling lake and about 90 acres of privately-owned property. The clinton Power Station is sited on approximately.150 acres on.the norb..rn arm ~of the lake. The cooling water discharge flume, which discharges to the eastern. arm of the lake, occupies an additional 130 acres. Although the nuclear reactor, supporting equipment, and associated electrical generation and distribution equipment lie in Harp Township, portions of the 14,182 acres lie in Wilson, Rutledge, DeWitt,. Creek, Nixon and Santa Anna Townships, i The cooling lake was formed by constructing an earthen dam near the confluence of Salt Creek and the North Fork of Salt Creek. The resulting lake has an average depth of 15.6 feet, and includes an ultimate heat sink'of about 590 acre feet. The ultimate heat sink provides sufficient water volume and cooling capacity for approximately thirty days of operation without makeup water. i Through arrangements with the Illinois Department of Conservation, Clinton Lake and much of the area immediately adjacent to the lake are used for public recreation activities, inc3uding swimming, boating, waterskiing and fishing. Recreational facilities exist at Clinton' Lake and accommodate up to 11,460 people per day. The outflow from Clinton Lake falls into Salt Creek and flows in a westerly direction for about 56 miles before joining the Sangamon River. The Sangamon River drains into the Illinois River which enters the Mississippi River near Grafton, Illinois. The nearest use of downstream water for drinking purposes is 242 river miles downstream oi Clinton 15
Lake at Alton, Illinois.- Although some farms in the Salt Creek drainsge area downstream of Clinton Lake use irrigation, the irrigation water is drawn , from vel 2 s, not from the waters of Salt Creek.
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i An estimated 810,000 individuals live within 50 miles of the Clinton Power Station. Over half of these are located in the major metropolitan l centers of Bloomington-Normal (located about 23 l miles north northwest), Champaign-Urbana (located about 31 miles east), Decatur (located about 22 miles south southwest) and Springfield (located about 48 miles West southwest). The nearest city is Clinton, the ccunty seat of DeWitt County, located about 6 miles west of the station. The estimated population of Clinton is about 8,000 people. Outside of the urban areas, most of the land within 50 miles of the Clinton Power Station is used for farming. The principal crops are corn and soybeans. D. Nuclear Reactor Operations l l The fuel of a nuclear reactor is made of the l element uranium in the form of uranium oxide. The fuel produces power by the process called
" fission". In fission, the uranium atom absorbs a ,
neutron (an atomic particle found in nature and I produced by the fissioning of uranium in the reactor) and splits to produce fission products, heat, radiation and free neutrons. The free-neutrons travel in the core; further absorption of neutrons by uranium permits the fission process to continue. As the fission process continues, more fission products, radiation, heat and neutrons are produced and a sustained reaction occurs. The heat produced is extracted from the fuel to produce steam which drives a turbine generator to produce electricity. The fission products are predominantly radioactive; they are unstable elements which emit radiation as they change from unstable to stable elements. Neutrons which are not absorbed by the uranium fuel may be absorbed by stable atoms in the materials which make up the l components and structures of the reactor. In such cases, stable atoms often become radioactive. This process is called " activation" and the radioactive atoms which result are called
" activation products".
The reactor at the Clinton Power Station is a boiling water reactor (BWR). In this type of reactor the fuel is formed into small ceramic pellets which are loaded into sealed fuel rods. 16
I The fuel rods are arranged in arrays called bundles which are supported within a massive steel reactor vessel. The spaces between the fuel rods are filled with water. The heat released during the fission of fuel atoms is transferred to the water surrounding the fuel rods. A type of pump which contains no moving parts (a jet pump), and recirculation pumps are used to forca the water to circulate through the fuel bundles to assure even cooling of the fuel rods. As the water ebsorbs heat frcm the fuel rods some of it is changed to steam. The steam is used to drive a turbine which is coupled to a generator, thereby completing the conversion of the energy released during fission to electricity. 4 After the steam passes through the turbine it is j condensed back to water and returned to the reactor vessel to repeat the process. As the water circulates through the reactor pressure vessel, corrosion allows trace quantities of the component and structure surfaces tc get into the water. The corroded material also contains radioactive substances known as activated corrosion products. radioactive fission and activation products are normally confined to the primary system although small leaks from the primary system may occur. Figure 2 provides a basic plant schematic for the Clinton Power Station and shows the separation of the cooling water from plant systems. E. Containment f Radioactivity Under normal operating conditions, essentially all radioactivity is contained within the first of several barriers of the primary system which collectively prevent escape of radioactivity to the environment. The ruel cladding (metal tubes) provides the first barrier. The ceramic fuel pellets are sealed within zircaloy metal tubes. There is a small gap between the fuel and the cladding where the puble gases and other volatile nuclides collect. The reactor pressure vessel and the steel piping of the primary coolant system provide the second barrier. The reactor pressure vessel is a seventy-foot high vessel with steel walls 17
approximately four to seven inches thick which encase the reactor core. The reactor pressure vessel and the steel piping provide containment for all radionuclides in the primary coolant. The Containment Building provides the third barrier. The Containment Building has steel-lined, four-foot thick reinforced concrete walls which completely enclose the reactor pressure vessel and vital auxiliary equipment. This structure provides a third line of defense against the uncontrolled release of radioactive materials to the environment. The massive concrete walls also serve to absorb much of the . radiation emitted released during reactor operation or from radioactive materials created during reactor operations. F. Sources of Radioactive Effluents in a normal operating nuclear power plant, most of the fission products are retained within tne fuel and fuel cladding. However, the fuel i manufacturing process leaves traces of uranium on l the exterior of the fuel tubes. Fission products i from the eventual fission of these traces may be released to the primary coolant. Other small amounts of radioactive fission products are able to diffuse or migrate through the fuel cladding l and into the primary coolant. Trace quantities of the corrosion products from component and l structural surfaces which have been activated, also get inte the primary coolant. Many soluble fission and activation products such as radioactive iodines strontiums, cobalts and cesiams are removed by demineralizers in the purification systems. The noble gas fission products, activated atmospheric gases introduced l with reactor feedwater, and some of the volatile fission products such as iodine and brotaine, are i carried from the reactor pressure vessel to the condenser with the steam. The steam jet air I ejectcrs or the condenser vacuum pump remova the gases from the condenser and transfer them to the off-gas treatment system. In the off gas treatment system the gases are held up, by ad orption on specially treated charcoal beds, to allow the radioactive gases to decay before they are released through the main ventilation exhaust stack. l 18
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Small' releases of radioactive liquids from valves, , piping, or equipment associated with the primary coolant system may occur in.the Containment, Auxiliary, Turbine, RadWaste and Fuel Buildings. The noble gases become part of the gaseous wastes 4 while the remaining radioacti/e liquids are collected in sumps and processed prior to release. Processed primary coolant water that does not meet i chemical specifications for reuse may also become waste water. These represent the principal sources of liquid effluents. , Table 2 summarizes the composition of radioactive effluents (gaseous and liquid) released from the Clinton Power Station during 1988.
)
i 20
TABLE 2 1988 eA0f0NUCL!DE COMPOSITION OF CPS EFFLUENTS RadionuctIde Ntf life Gaseous Effluents (Cf)** Liouid Effluents (Cl)** Tritfum (H-3) 12.3y 8.83E0 2.90E0 Sodiun-24 15.0h 2. 74E-3 8.23E 4 Argor 41 1.8h *
- Chromfun 51 27.7d 5.36E 2 7.88E-2 Manganese 54 312.7d 2.14E 3 1.23E-2 Iron-55 2.7y
- 1.80E-3 l Iron-59 44.6d 2.45E-4 4.99E 4 j
Cobalt 58 70.8d 1.41E-3 7.29E*3 Cobalt 60 5.3y 1.77E-3 6.07E-3 Zinc 65 244.4d
- 2.04E 5 l Arsenic 76 23.3h 3.27E-5 6.98E-9 Krypton 85 .0.8y *
- Krypton-85m 4.Sh *
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;'rypton 87 76.3m *
- l Krypton 88 2.84h *
- S trontiun-89 50.6d 5.79E-5
- I Strontfum-90 28.6y 8.42E-7
- Yttrium-91m 49.7m 2.61E 5
- i 2irconfun 95 64.0d * * '
Niobiun-95 35.1d
- 6.86E-6 Molybvenun-99 66.0h
- 1.54E-4 Technetlun-99m 6.0. 4.65E 4 4.71E-4 Antimony-122 l 2.7d
- 2.41E 5 l Antimony-124 60.2d * '
3.60E 5 lodine 131 8.0d 2.35E 4
- lodine 133 20.8h 4.55E-4
- lodine-134 52.6m 6.93E 5
- todine-135 6.6h *
- Xenon-133 5.2d *
- xenon-133m 2.2d *
- xenon-135 9.1h 4.34E0 2.82E-6 Xenon-135m 15.4m *
- xenon-138 14.1m *
- Cesium-134 2.06y *
- Cesium-137 30.2y *
- Cesium-138 32.2m 7.99E-4
- Barium-139 83.1m 1.55E 4
- Bar f un-140 12.8d *
- Lanthanum-140 40.2h *
- Cerium-141 32.5h *
- Cer f un-143 33.0h *
- Cerlun-144 284.3d * *
!sotopes not detected at the 95% confidence level in effluents released from the Clinton Power Station.
The notation for the powers of ten are shown as X.XXE X. For exanple,1.23E-4 is equivalent to 1.23x10*' or 0.000123. 21
G. Radioactive Waste Processina In a normal operatirg liuclear power plant, radioactive liquid and gaseous wastes are collected, stored and processed through treatment systems to remove or reduce most of the radioactivity (excluding tritium) prior to reuse within the plant or discharge to the environment. These processing systems are required by the Clinton Power Station Technical Specifications to i be installed and operable to help ensure all releases of radioactive liquid and gaseous j effluents are As Low As Beasonably achievable - ( ALARA) . The liquid waste treatment systems consist of filters, domineralizers and evaporators. Liquid wasces are routed through the waste evaporators to be degassed and distilled thereby reducing their volume and concentrating their radioactivity. The . distillates are further treated through demineralizers and filters and transferred to the waste evaporator condensate storage tanks. Liquid wastes are processed through the appropriate portions of the liquid waste treatment system to provide assurance that the releases of radioactive materials in liquid effluents will be kept ALARA. ) Liquid wastes are discharged into the plant ! cooling water stream which varies from i approximately 5,000 gallons per minute, when the ' plant is in shutdown, to 567,000 gallons per minute, when the plant is at full power. The liquid effluents are thoroughly mixed with, and , diluted by, the plant cooling water as it travels the 3.4 miles of the discharge canal before it enters Clinton Lake east of DeWitt County Road 14. The Clinton Power Station Technical Specifications require that liquid effluents shall not contain a higher concentration of any radioisotope than that set for continuous exposure to the general public. This condition is satisfied at the point the liquid effluent is first introduced into the cooling water flow. The additional dilution which occurs in the cooling water canal reduces the concentrations of radioisotopes to between 1/'/3 (minimum flow) and 1/1890 of their original value before the water enters Clir. ton Lake. The concentrated radioactive solids captured in the liquid waste treatment system are solidified and shipped off-site for disposal at a licensed low-level waste disposal facilities. l 22 a
l I The gaseous effluents from the main condenser are i held up in the off-gas charcoal beds for at least l 46 hours. This provides time for the decay of most of the radionuclides present since most have j a half-life of less than 8 hours. If gaseous effluents in the ventilation exhaust system for the containment Building and for the Secondary containment structure exceed conservatively set levels, they are processed through charcoal beds 1 and high efficiency particulate air filters in the Standby Gas Treatment System before being discharged to the environment. This combination of filters and charcoal beds is rated to be 95% ' efficient for removing lodines and greater than 3 99% efficient for removing particulate material q larger than one micron (one millionth of an inch) < in diameter. 1 i l l l l 23
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Ill. RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM 4 J
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III. RADIOLOGICAL ENVIRONMENTAL MONITORING PROGRAM A. Procram Description The Clinton Power Station is required to maintain a radiological environmental monitoring program in accordance with the Code of Federal Regulations (CFR) Title 10, Section 20.201 and Criterion 64 of i CFR Title 10, Part 50, Appendix A. The program l was developed using the following guidance published by the United States Nuclear Regulatory Commission (USNRC): Regulatory Guide 4.1, " Programs for Monitoring Radioactivity in the Environs of Nuclear Power Plants" USNRC Radiological Assessment Branch Technical Position on Radiological Environmental Monitoring (1979) The Radiological Environmental Monitoring Program is an extensive program of sampling,' measurements and analysis that was~ instituted to monitor ti.te radiological impact of reactor operation on f.he environment. Objectives of the program include: identification, measurement and evaluation of existing radionuclides in the environs of the Clinton Power Station and fluctuations in radioactivity levels which may occur evaluation of the measurements to determine the impact of the Clinton Power Station operations on the local radiation environment collection of data needed to refine environmental radiation transport models used in offsite dose calculations verification that radioactive material I containment systems are functioning to minimize environmental releases to levels that are ALARA demonstration of compliance with regulations i and the Clinton Power Station Technical ! Specifications i Implicit in these objectives are the requirements i to trend and assess radiation exposure rates and radioactivity concentrations that may contribute l to human radiation exposure. The program consists i of two phases, preoperational and operational. J 1
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The'preoperational' portion.of the program-established the. baseline for.theLlocal radiation-environment. Assessment'of-the operational impact of the-Clinton Power Station-on the radiation ! environment is' based on' data collected since the beginhl.ng.of reactor operation. .The operational < phase implements confirmatory measurements'to j verify'the in-station controls-for-the release of ' radioactive material are. functioning as designed. FigureL3 shows the basic pathways of gaseous and liquid. radioactive effluents to man'. Illinois Power Company contracts Teledyne Isotopes Midwest Laboratory '(TIML)- for analysis of all-radiological environmental samples. TIML is located in Northbrook, Illinois.' Samples.are collected by Illinois Power Company personnel and shipped to TIML for analysis.- After analysis, environmental' samples are saved at TIML for a specified period of time in case additional analysis is required. Analytical results.are reported monthly to the Clinton Power Station'and reviewed by company radiation protection personnel. ! l 26
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Current regulatory guidance recommends evaluating direct pathways, or the highest trophic level in a dietary pathway, that contribute to an individual's dose. The "important pathways" are selected based primarily on how radionuclides move through the environment and eventually expose individuals, as well as on man's use of the environment. The scope of the program includes the monitoring of five environmental compartments: direct radiation; atmospheric, aquatic, and terrestrial environments; and ground and surface water. Each pathway is monitored at " indicator" and " control" locations. Indicator locations are generally within the 10-mile radius of the station. Control locations are located at least ten miles from the plant, far enough to be unaffected by plant operations. An increase in dose rate or radioactive material concentration at an indicator location may be due to plant operations. Locations of sampling stations are shown on maps in Figures 4 through 7. Table 3 provides a list of the sample codes for each sample medium and Table 4 provides information on sample location, media sampled at each location, and a brief description of each location where samples are taken. The location is listed according to distance (in miles) and the compass sector relative to the Station Heating, Ventilation and Air Conditioning (HVAC) stack. An on-site meteorological tower collects information such as wind speed, wind direction and air temperature at various levels. Meteorological monitoring is further discussed in Section V of this report. Table 5 provides a summary of the Clinton Power Station Radiological Environmental Monitoring Program sampling and analysis frequencies during 1988. Table 6 provides a summary of the Clintnn Power Station Radiological Environmental Monitoring Program during 1988. 28
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N 76 68 89 S2 72 51 39 78 81 50 DE WITT ' O BIRF BECK D L T / 41
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TABLE 3 CLINTON POWER STATION SAMPLE CODES Code Samole Medium AP Airborne Particulate AI Airborne Iodine TLD Direct Radiation (Thermoluminescent Dosimeter)- M Milk-DW Drinking Water SW Surface Water l- WW Well Water VE Green Leafy Vegetables F Fish SL Periphyton, Slime, Bottom Organisms' and Aquatic Vegetation BS Bottom Sediments SS shoreline Sediments SO Soil ME Meat i I i l j i 33
f l 1 l TABLE 4 REMP SAMPLE LOCATIONS
- Station Map Sample Code yhed N Medium (ogdon} DescrfDtion CL 1 1 AP,Al,TLD,$0,G 1.8 mites W Ne.er the gate to Camp Quest, S of Birkbeck CL 2 2 AP,A!,TLD,SD,G 0.7 miles NNE Located on alte's main access road CL 3 3 AP,A!,fLD,50 0.7 miles NE Located on site's secondary access road .
I CL-4 4 AP,Al,TLD,$0 0.8 miles SW Located on farm SE of Illinois Power Recreation Area l CL 5 5 TLD 0.7 miles NNE Located on site's main access road CL 6 6 AP,Al,TLD,SO 0.8 miles WSW Located near the Illinois Power Recreation Area softball field CL TA 7A AP,Al,TLD,SO 2.3 miles SE Located in the Mascoutin State Recreation Area CL 78 79 SS,SL 2.1 miles SE SE of site on Clinton Lake CL 7C 7C BS,SL,SS 1.3 miles SE SE of site on Clinton Lake l l CL-7D 7D W 2.3 miles ESE Located in Illinois Power Department of Conservation of fice at the Mascoutin 1 State Recreation Area i CL 8 8 AP,Al,TLD,so,G 2.2 miles E Located at DeWitt Cemetery CL 9 9 SW,SL 2.7 miles ESC Located on NE side of DeWitt County Royte 14 bridge i l CL 10c 10 SW,BS,SS,SL(1) 5.0 miles ENE Located on SE side of Illinois Route 48 beidge i l CL lic 11 AP,AI,TLD,SO,G 16 miles S Located SL' of Argenta at the Illinois Power- l Substation CL 12 12 W 1.6 miles E Located at the DeWitt pumphouse CL 13 13 SW 3.6 miles SW Located near the Salt Creek bridge on Illinois Route 10 t CL-13A 13A BS 5.0 miles SW Located on Salt Creek at the Route 1300E bridge CL 14 14 DW Plant Service Located in the Plant Service Building Building l 34 L a
l l lABLE 4 (Cont'd) - l Station Map Sample ' Code Number Medlun I,ocatfoq Descriotton CL*19 19 F,BS,5$,$L - 3.4 miles E Located E of site at the end of the discharge fIume CL 20 20 TLD 9.1 miles ENE Located at the Campground Cemetery W of Farmer City
- )
CL 21 21 0.9 miles NNE
)
TLD Located at the intersection of Illinois Route { 54 and the site's secondary access road CL 22 22 TLD 0.6 miles NE Located on the site's secondary access road CL 23 23 TLD 0.5 mltes ENE Located on the site's secondary access road CL 24 24 TLD 0.5 miles E Located on the site's secondary access road CL 25 25 TLD 0.4 miles ESE Located on the Owner Controlled Area fence CL 26 26 TLD 0.3 miles SE Located on the owner Controlled Aree fence CL-27 27 TLD 0.6 miles SSE Located on the owner Controlled Area fence near the Meteorological Tower CL 28 28 TLD 0.5 miles S l Located on the Owner Controlled Area fence CL 29 29 TLD 0.6 miles SSW Located on the owner controlled Area fence CL 30 30 TLD 0.7 miles SW Located on the Owner Controlled Area fence at the entrance to lltinois Power Recreation Ares CL 31 31 TLD 0.8 miles WSU Located an the owner Controlled Area fence neer the Illinois Power Recreation Area softball field CL 32 32 TLD 0.7 miles WSW Located on the owner Controlled Area fence near Clinton Lake CL 33c 33 TLD 11.7 miles SW Located in Maroa at family residence CL 34 34 TLD 0.8 miles WWW Located near CPS Visitor Center CL 35 35 TLD 0.7 miles NW Located near CPS V{sitor Center near Illinois Route 54 bridge CL 36 36 TLD 0.6 miles N Located on Ittinois Route 54 near intersection with site's main access road 35
l TABLE 4 (cont 8d) Station Map Sample Code Ntrber Medium tocation pgejeriot ion CL 37 37 TLD 3.4 miles N Located N of site l CL 38 38 TLD 3.6 miles NNE Located near microwave tower N of site j CL 39 39 TLD . 3.8 miles NE Located 2 miles N of DeWitt CL 40 40 TLD 3.5 miles NE Located 0.6 miles N of DeWitt. CL-41 41 TLD 2.4 miles E Located at S D Cftt city limit CL-42 42 TLD 2.8 miles ESE Located S of DeWitt County Route 14 bridge CL 43 43 TLD 2.8 miles SE Located on Clinton Marina access road CL-44 44 TLD 2.3 miles SSE Located near Clinton Marine Boat Sales' CL-45 45 TLD 2.8 miles S Located at Lane Day use Area CL-46 46 TLD 2.8 miles SSW Located at Peninsula Day Use Area CL-47 47 TLD 3.3 miles SW Located near Clinton Lake Dam Access Road CL 4d 48 TLD 2.3 miles WSW Located at residence on West Side Access Road CL 49 49 TLD 3.5 miles W- Located W of site along ittinois Route 54-CL 50 50 TLD 3.2 miles WNW Located WNW of site CL 51 51 TLD 4.4 miles NW Located NW of site CL 52 52 TLD 4.3 miles NNW Located NNW of site CL 53 53 TLD 4.3 miles E Located E of site CL-54 54 TLD 4.6 miles ESE Located 2 miles N of Weldon CL 55 55 TLD 4.1 miles SE Located 1.5 miles W of Weldon ! i CL 56 56 TLD 4.1 miles SSE Located $$E el site j CL 57 57 TLD 4.6 miles S Located S of site, '
\
j CL 58 58 TLD 4.3 miles SSW Located in rural Lane : i l CL 59 59 TLD 3.3 miles SSW Located near Lane city limit j CL 60 60 TLD 4.5 miles SV Located SW of Clinton Lake Dam near Salt Creek 36 l 1 l
I j l li l l TABLE 4 (Cont'd) i l l Station Map Sample Code Number dum Location Description CL-61 61 TLD 4.5 miles Wsw Located Wsw of site CL-62 62 TLD 1.9 miles NW Located NW of site i CL 63 63 TLD 1.3 miles NNW Located at North Fork Boat Access CL-64 64 TLD 2.1 miles WNW Located 0.5 miles N of Birkbeck CL 65 65 TLD 2.6 miles ENE Located at residence in DeWitt CL 66 6 TLD 0.8 miles WSW Located near the Illinois Power Recreation Area softball field j CL 67 4 TLD 0.8 miles SW Located on farm SE of Illinois Power Recreation Area CL-68 68 'LD 4.6 miles N Located N of site CL 69 3 TLD 0.7 miles NE Located on site's secondary access road-CL 70 2 TLD 0.7 miles NNE Located on site's secondary access road CL 71 2 TLD 0.7 miles NNE Located on site's secondary access road l CL 72 72 TLD 4.5 miles NNE Located NNE of site CL-73 73 TLD 5.1 miles ENE Located near the MidAmerica Commodities plant. on Illinois Route 48 CL 74 74 TLD 1.9 miles W Located at Cang Quest CL-75 75 TLD 0.94 miles N Located N of site CL-76 76 TLD 4.6 miles N Located N of site CL 77 72 TLD 4.5 miles NNE Located NME of site ( CL 78 78 TLD 4.8 miles NE Located NE of site CL 79 79 TLD 4.5 miles ENE Located ENE of site CL 80 80 TLD 4.1 miles W Located W of site l CL 81 81 TLD e. 5 miles WNW Located WNW of site 37
TABLE 4 (Cnnt'd) Station Map Sample Code Number Medium location Description CL-82 82 TLD 0.9 mi'tes W Located at filinois Power Recreation Area CL-83 83 TLD 0.5 miles NNW Located near Illinois Route 54 E of the bridge CL-84 94 TLD 0.6 miles E Located on Old Clinton Ro3d between DeWitt and site CL 85 85 TLD 0.6 miles ESE Located ESE of site LL-86 94 TLD 0.6 miles E Located on Old Clinton Road between DeWitt and site CL 'l7 87 TLD 0.6 miles SE Located near discharge fiume access road CL-8t 88 SS 2.4 miles SE Located SE of site CL 89 89 BS,SS 3.6 miles NNE Located NNE of site CL 90 90 SV 0.4 miles SE Located at start of discharge flume 1 l CL 91 91 SW 6.1 miles ENE Located at Parnell Boat Access CL-92 Y2 SW 0.1 miles NW Located at CPS Intake Screenhouse CL-93 91 SW,SS 0.4 miles SW Located at CPS Settling Pond CL-94 94 AP,AI,SO 0.6 miles E Located on Old Clinton Road between DeWitt and site CL-105c 105 F,SS,BS.SL 50 miles S Located at Lake Shelbyville CL 106 106 ME 2.0 miles NNE Located NNE of site CL 109 109 TLD 0.7 miles WSW Located on the Owner controlled Area fence near Shooting Range
- l CL-110 110 TLD 0.8 miles SW Located on the Owner Controlled Area fence CL-111 111 TLD 0.6 miles NE Located near site's secondary access road CL 112 68 TLD 4.6 miles N Located W of site CL-113 73 TLD 5.1 miles ENE Located near the MidAmerica Coninodities plant on Illinois Route 48 38
TABLE 4 (Cont'd) Station Map Sarnple Code Number Medim LoestIon Deserietion CL 114c 114 VE 12.5 miles $$E Located S of Cisco CL 115 115 VE 0.7 miles NE Located on site's secondary access road CL 116c 116 M 14 miles WSW Located in rural Kenney CL 117 117 VE 0.9 miles N Located N of site Sanple location is listed by station code, location and nurber. Station code is Clinton (CL) - Number (site's runber designator). Location is listed by distance in miles end directional sector from the Station HVAC stack. c Control location; all other locations are indicators. (1) Control location *or surface water only. 1 39
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i i B. Direct Radiation Monitorinc~ l Radionuclides present in the air, and those j deposited in or on the ground cause human exposure s by immersion in the atmosphere or by deposition on ! the ground. TLDs (thermoluminescent dosimeters) I are used to measure the ambient gamma radiation , field at many locations around the Clinton Power i Station. TLDs are crystalline. devices that store energy when they are exposed to radiation. They can be processed months after exposure with minimal loss of information. This makes them well ; suited for quarterly environmental radiation i measurements. During processing, the stored energy is released as light and measured by a TLD ; l reader. The light intensity is proportional to the radiation dose the TLD received. The TLDs used in monitoring around the Clinton Power Station are easily capable of measuring 1 environmental levels of radiation, approximately. 20 mrem per quarter. Monitoring stations are placed near the site boundary and approximately five miles from the > reactor, in locations representing the sixteen compass sectors. Other locations are hosen to measure the radiation field at places wf special interest such as nearby residences, meeting places and population centers. Control sites are located further than ten miles from the site, in areas that should be unaffected by plant operations. ,
]
l TLD measurements register the gamma ray exposure j in milliroentgen (mR). For reporting purposes mR 1 is numerically equivalent to mrom. Consequently I the terms are used interchangeably. 1 Results of the annualized TLD doss measurements are summarized by location in Table 7. Figure 8 compares 1988 control and indicator location average quarterly gamma dose rates to preoperational program measurements. A total of 326 TLD measurements were made. The average ' quarterly dose at indicator locations was 17.6 1 3.0 mrem. The quarterly measurements ranged from i 8.5 to 24.9 mrem.- At control locations the q average quarterly dose was 17.9 2.2 mrem. The quarterly control measurements ranged from 15.5 to 22.0 mrem. i 60
TABLE 7 1988 ANNUAL TLD RESULTS Station Code (a) Annual Total ( 2 s.d.), mR(b) CL-1 74.9 3.6 CL-2 70.6 4.4 CL-3 76.0 i 6.2 CL-4 70.3 i 6.0 . CL-5 69.2 6.6
'CL-6 61.0 4.4 CL-7 67.9- 6.0 CL-8 70.4 6.0 CL-11(c) 69.5 3.4 CL-20 68.1 i 5.6 CL-21 75.7 4.6 CL-22 67.7 6.0 CL-23 51.5 5.8' CL-24 63.1 i 6.4 CL-25 49.7 i 6.6 CL-26 62.9 t 4.2 CL-27 69.2 5.4 CL-28 72.7 5.8 CL-29 72.1 5.8' CL-30 76.0. 7.2 CL-31 63.4 5.4 CL-32 76.1 1 7.0 CL-33(c) 73.4 5.6 CL-34 87.8 4.0 CL-35 68.4 4.4 CL-36 65.5 4.6 CL-37 77.1: 3.0 CL-38 72.5- 4.8 CL-39 60.4 6.0 CL-40 74.6 t 7.6 CL-41 71.6 5.4 CL-42 65.3 5.0 CL-43 73.0 5.4 CL-44 73.5 7.2 CL-45 69.7 i 6.6 CL-46 64.8 7.4 CL-47 74.5 4.8 CL-48 69.5 4.8 CL-49 75.2 4.4 CL-50 68.3 6.0 CL-51 72.2 5.8
! CL-52 74.1 5.6 CL-53 63.3 5.4 CL-54 64.4 5.6 CL-55 63.8 i 7.4 CL-56 77.9 i 7.0 61
l TAB.2E 7 (Cont'd)_ Station Code (a) Annual Tota? (t 2 s.d.), mR(b) i CL-57 71.5 i 4.6 CL-58 67.6 6.0 l CL-59 68.1 1 7.0 I CL-60 73.8 6.6 CL-61 79.1 4.0 CL-62 71.4 1 5.4 . CL-63 77.2 5.6 CL-64 75.1 1 5.4 CL-65 72.3 i 6.0 CL-66 63.2 6.2 ! CL-67 69.4 i 6.2 ' CL-68 64.5 6.4 CL-69 81.2 1 3.o l CL-70 68.4 7.0 CL-71 ) 74.3 5.2 ! CL-72 65.8 4.2 l CL-73 73.1 6.0 i CL-74 72.4 1 3.4 l CL-75 73.6 i 7.0 i CL-76 67.7 i 5.4 i CL-77 61.8 7.0 I CL-78 66.9 6.8 i CL-79 65.5 7.4 CL-80 75.5 i 9.6 CL-81 74.1 4.2 CL-82 l 61.8 7.0 ' CL-83 75.0 5.8 I CL-84 83.5 2.4 CL-85 74.1 5.4 l CL-86 80.9 i 6.0 CL-87 86.7 5.2 CL-109 70.1 6.4 l CL-110 67.4 t 6.6 CL-111 58.6 8.4 CL-112 67.3 10.0 CL-113 75.6 7.4 (a) For station location description refer to Table 4 (b) Annual TLD results are the total of the quarterly doses at the location (c) Control Station; all other indicators 62
1 (a) Preoperational Averages M Preop Control
@ Preop Indicator
~
l 20.0 - , g,g 19.4 19.0 I'
. 18.0 18.0 16.5 16.2 g _
D 10.0 - 0.0 l 3t Second Third fourth ) Quarter (b) 1988 Averages l'- 1 1988 Control
~
@ 1988 Indicator 20.4 20.0 18.7 i g,5 3 g $,9 16.3 16.4
~
R t 5.0 i _.: 10.0 - 0.0 first 5,s ,nd Third Fourth Quarter l FIGURE 8: DIRECT RADIATION: QUARTERLY la) PREOPERA TIONAL, (b) 1988 TLD A VERA GES 63
4
)
l Average doses, broken down by calen65r quarter, are shown in Table 8 for both indicator and ; control locations. The inability to characterize the error in the actual doses is due to the limited number of control TLDs (2 control TLD locations). TABLE 8 OUARTERLY AVERAGE TLD RESULTS l Indicator Control First Quarter 16.3 i 5.1 15.9 j Second Quarter 15.0 1 5.8 16.4 q Third Quarter 18.5 3.5 18.7 l Fourth Quarter 20.4 i 3.3 20.6 l Site CL-34, located 0.8 miles WNW of the station, registered both the highest quarterly and highest annualized dose: 87.8 mrem during 1988. The elevated measurements are attributed to the l proximity of CL-34 to a tile field constructed of I ceramic pipe tile. This material is known to be I rich in naturally occurring radionuclides. Preoperational data indicate that the dose at this location has been among tne highest measured. 1 Between 1980 and 1984 CL-34 registered, on the average, the highest annual dose. In 1985 and 1986 its dose was in the top 20% of all locations monitored. From these observations, no increase in environmental gamma radiation levels resulted from operation of the Clinton Power Station during 1988. C. Atmospheric Monitorina The inhalation and ingestion of radionuclides i present in the atmosphere is a direct exposure pathway to man. A network of nine active air samplers around the Clinton Power Station monitors this pathway. Eight of the air sampling stations are strategically located in areas which are most likely to indicate effects due to the release of radioactive effluents from the Clinton Power Station. The control location is located approximately 16 miles south of the plant in an 64 o . .
area which is most likely to be independent of the effects of station operations. Historical meteorological data indicates this control location is normally upwind from the plant. l No contribution to the general level of airborne particulate radioactivity could be identified as a result of station operations during 1988. The radioactivity that was detected is normally found in the environment and is consistent with expected concentrations of natural radioactivity and fallout from prior nuclear weapons testing. Mechanical air samplers are used to draw a continuous volume of air through two filters designed to collect particulate and radioiodines present in the atmosphere. The samplers are l equipped with a pressure-sensing flow regulator to maintain a constant sampling flow rate of about one cubic foot per minute. The total volume is calculated based on the amount of time the air sampler ran and its flow rate. The air sampling equipment is maintained and calibrated by the Clinton Power Station personnel using reference standards traceable to the National Institute of Standards and Technology (formerly the National Bureau of Standards). Air samples are collected weekly and analyzed for gross beta and I-131 activities. Quarterly all air particulate filters collected during that period are combined and counted for gamma isotopic activity. Since the intent of particulate sampling is to measure airborne radioactivity released from the plant, the counting of short-lived daughters produced by the decay of natural radon and thoron may mask plant contributions. Therefore, the filters are not analyzed for at least five days after their collection to allow for the decay of the short-lived daughters, thereby reducing their contribution to the gross beta activity. 1 Results of the gross beta airborne particulate analyses provided comparisons between indicator i and control locations for the year, as well as comparisons between locations in relation to spatial and temporal differences. The calculated annual averages locations for both were 0.029 pCi/migdicator
. Theseand control values are consistent3with the preoperational averages of 0.027 pC/m for both indicator and control locations. The location with the highest annual average was indicator location CL-8 located 2.2 65
miles east of the Clinton Power Station. This i locatgonhadanaverageconcentrationof0.030 pCi/m which is compagable to the preoperational average of 0.027 pC/m . Individual location averages for the year are presented in Table 9. Fluctuations in the gross beta concentrations were noted throughout the year. The general trend for average weekly gross beta concentrations in the indicator locations showed good correlation with control locations throughout the monitoring l period. Evidence for this may be seen from'the similarity of the trends in the average monthly gross beta concentrations displayed in Figure 9. No significant differenc- was indicated between individual locations. Monthly averages for indicator and colatrol locations for the year are presented in Tab:.e 10. All gross beta concentrations for 1988 were within normal background levels and no increases were noted as a result of the operation of the Clinton Power Station. Naturally occurring Be-7 was the only gamma-emitting radionuclides detected in analyses of , particulate filters. l 4 66
I TABLE _1 1988 AVERAGE GROSS BETA CONCENTRATIONS IN AIR PARTICULATE Average 2 s.d. Station Description (pCi/m 3) CL-1 (I) Camp Quest (Birkbeck) 0.029 0.015 CL-2 (I) CPS Main Access Road 0.029 0.020 CL-3 (I) CPS Secondary Access Road 0.029 0.015 CL-4 (I) 0.8 Miles SW 0.029 0.015 CL-6 (I) IP Recreation Area 0.028 0.014 l CL-7 (I) Mascoutin State Recreation Area 0.028 0.015 CL-8 (I) DeWitt Cemetery 0.030 0.016 CL-11 (C) IP Substation (Argenta) 0.029 0.014 CL-94 (I) Old Clinton Road (0.6 miles E) 0.030 0.016 i (I) Indicator Station (C) Control Station 67
V i I TABLE 10 ' 1988 AVERAGE MONTHLY GROSS BETA l t CONCENTRATIONS IN AIR PARTICULATE 1
)
Indicator, pCi/m 3 Control, pCi/m 3 Month (Averace 2 s.d.) (Averace 2 s.d.) l January 0.032 0.019 0.029 0.013 1 February 0.030 0.024~ 0.029 0.'019 i March 0.019 0.006 0.017 i 0.007 ) April 0.021 6 0.006 0.023 i 0.007 I May 0.024 0.009 0.025 0.009 June 0.031 0.009 0.029 0.005-1 July 0.034 0.009 0.035 t 0.008 {. I August 0.033 0.006 0. 0'/S 0.007 ! September- 0.031 0.013 0.032 i 0.015 October 0.029 0.009 0.029 0.013 November 0.028 0.008 0.029 i 0.003 December 0.036 i 0.018 0.036 'O.016 4 68 E.-_______ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
(c) Preoperational Averages a Preop indicator _ + Preop Controi 8 0.038 - 0 0.034 - E x - f """ h . [ (,[7\. . - 0.026 2 a x%
/
0 022 -
\*/= f 0.018 -
0.014 , , , , , , , , , Jon Feb Mor Apr uoy Jun Jul Aug Sep Oct Nov Dec Month (b) 1988 Averages u 1988 Indicator 0.042 -
- 1988 Control 0.038 -
Q 0.034 - E /fa N O ., N s' ~ O 0.030 - e m 2 0.026 -
\ / '.
m 0.022 -
/
e 0.018 -
\./
0.014 , , , , , , , , Jon Fe. Mor Apr Way Jun Jul Aug Sep Oct Nov Dec Month FIGURE 9: GROSS BETA ACTI17TY; la) PREOPERATIONAL, (b) 1988 Al' ERA CES IN AIR PARTICULA TES 69
rm , k i D.- Acuatic Monitorina The Clinton Power Station utilizes an artificial laxe as the sourca of cooling. water and returns the used cooling water to the same lake while most j ( nuclear power stations use once-through flow from - l a river, the ocean or a body of water much larger ; than Clinton Lake. When radioactive liquid ' effluents are discharged from the Clinton Power
, Station into the cooling water outfall, a radioisotopes with long half-lives could build up as the same water is reused on successive trips q I
through the plant. This water travels from the " plant, into the eastern arm of the lake, then_into the northern arm of the lake and back into the j plant. Although the only user of Clinton Lake as a source of drinking water is the Clinton Power Station, the lake is a major recreational facility, used for fishing, swimming, water ] skiing, boating and hunting. ( Clinton Lake constitutes the primary environmental l exposure pathway _for radioactive materials in liquid effluents. Aquatic monitoring provides for ) j ! the collection of fish, shoreline and bottom ' ! sediments, and periphyton samples to detect the presence of any radioisotopes related to operation of the Clinton Power Station. These samples are analyzed for naturally occurring and man-made radioactive materials. Both indicator and control locations were sampled during 1988. Indicator samples were takan from various locations on Clinton Lake and the control samples were taken at j Lake Shelbyville which is approximately 50 miles l south of Clinton Power Station. ) Aquatic monitoring samples are collected by the Field Biology Laboratory of the Environmental Affairs Department of Illinois Power Company. Fish Samples of fish are collected from Clinton Lake and Lake Shelbyville. In both lakes the samples include largemouth bass, white crappie, carp and bluegill. These species are the fish most i commonly harvested from the lakes by sportsfishermen. Fish ingest sediments during bottom feeding, or prey on other organisms which ingest sediments or otherwise retain radionuclides. Radiological analyses of these 70
fish samples provide information on the potential ingestion of radionuclides by humans via the aquatic pathway. These samples are collected semiannually and analyzed by gamma spectroscopy. The results of gamma isotopic analysis on the fish samples shcwed the presence of naturally occurring K-40 in all 1988 samples ranging from 1.90 to 3.43 pCi/g (wet). Preoperational K-40 concentrations ranged from 1.71 to 4.61 pCi/g (Wet) . All other analytical results were less than the lower limit of detection for each radionuclides. Shoreline Sediments Samples of shoreline sediments are collected at six locations from Clinton Lake, at one location i from the Clinton Power Station lower settling pond j and at one location from Lake Shelbyville. Radiological analyses of shoreline sediments provide information on the potential shoreline exposure to humans and to determine long term trends and accumulation of long-lived radionuclides in the environment. Samples are collected semiannually and analyzed for gross beta, gross alpha, Sr-90 and gamma isotopic activities, i Shoreline sediment samples are dried prior to analysis and the results are reported in pCi/g dry weight. Naturally occurring radioisotopes, such as K-40, Ra-226 and Pb-212, were present in samples taken at both indicator and control locations. Two fission products, Sr-90 and Cs-137, were detected in samples from the indicator locations. The activity detected was not substantially different from that measured { during the preoperational program. Preoperational j shoreline sediment activity ranged from 0.009 to 6 0.087 pCi/g (dry) for Sr-90 and 0.015 to 0.045 pCi/g (dry) for Cs-137. The 1988 shoreline sediment activity ranged from 0.016 to 0.056 pCi/g l (dry) for Cs-137 and 0.015 to 0.100 pCi/g (dry) I for Sr-90. The presence of these fission products { is attributed to previous nuclear weapons testing j and atmospheric fallout from the accident at i Chernobyl. Gross alpha activity in samples of shoreline j sediments collected from all locations ranged j from 2.4 to 5.1 pCi/g (dry) during 1988. This j activity was attributed to naturally occurring 71
l l radium isotopes and decay products present in soil. These values compare closely with the activity detected in the preoperational program { which ranged from 3.8 to 8.0 pCi/g (dry). j Gross beta activity in samples of shoreline i sediments collected from all locations ranged from 4.2 to 20.4 pCi/g (dry) during 1988. The majority q of this activity was attributed to naturally -l occurring K-40. These values are comparable with j the activity detected in the preoperational program which ranged from 7.0 to 17.2 pC1/g (dry). j
- )
Bottom Sedimants Samples of bottom sediments are collected from j Clinton Lake at five locations and Lake j l Shelbyville at one location. Radiological i analyses of bottom sediments primarily provide ! information about the amount of radionuclides ! available to predators who feed on the organisms j found in bottom sediments. Samples are collected semiannually and analyzed for gross beta, gross alpha, Sr-90 and gamma isotopic activities. j l Bottom sediment samples are dried prior to I analysis and the results are reported in pCi/g dry weight. Naturally occurring radioisotopes, such as K-40, Ra-226 and Pb-212, were present in all ) 1988 samples from both locations. ' Two fission products, Sr-90 and Cs-137, were detected in samples from both indicator and control locations. Bottom sediment activities ranged from 0.015 to 0.15 pCi/g (dry) for Sr-90 and from 0.11 to 0.81 pCi/g (dry) for Cs-137. Preoperational bottom sediment activities ranged from 0.011 to 0.056 pCi/g (dry) for Sr-90 and from 0.008 to 1.39 pCi/g (dry) for Cs-137. Manganese-54 (Mn-54), an activation product, was detected in one sample from the control location l at Lake Shelbyville. However, no Mn-54 was detected in any of the samples collected on Clinton Lake. The reported result was 0.032 pCi/g (dry) . This positive result could be related to other outside sources of radiation and not attributed to the operation of Clinton Power Station. Gross alpha activity in samples of bottom sediments collected from both lakes ranged from 7.3 to 14.0 pCi/g (dry) during 1988. This activity was attributed to naturally occurring 72
radium isotopes and decay products present in i soil. The preoperational gross alpha activity l ranged from 4.4 to 14.7 pC3/g (dry). Gross beta activity in samples of bottom sediments ; collected from both lakes ranged from 5.1 to 29.2 pCi/g (dry) during 1988. The majority of this activity was attributed to na + lly occurring K-
- 40. The preoperational gross , 4 activity' ranged from 8.3 to 27.7 pC1/g (dry).
Acuatic Vecetation (Periphyton) Samples of periphyton are collected from five locations in Clinton Lake and one location in Lake Shelbyville. Periphyton (attached algae) are collected from the submerged surface of the permanently anchored buoys. Periphyton absorb trace elements and radionuclides directly from water, often concentrating th .a to levels much higher than the dilute ce7ca ; rations that occur in the aquatic environment. This is because most algae are coated with a carbohydrate jelly and have a large surface to volume ratio. Cell division usually occurs once every one or two days and, as a result, half of the cell wall i s a new l surface for sorption. Periphyton represett one of the earliest links in the food chain and provide information about the amounts of radionuclides available to predators further up the food chain. Samples of periphyton are collected every two months between April and October (during the colder months growth is limited) at the indicator locations and semiannually at the control location and analyzed by gamma spectroscopy. The results of the gamma isotopic analyses on periphyton samples showed concentrations of 0.42 to 1.22 pCi/g (wet) for naturally occurring Be-7, and 0.49 to 5.18 pCi/g (wet) for K-40 during 1988. These values compare closely with preoperational results which ranged from 0.38 to 1.07 pCi/g (wet) for Be-7 and 0.74 to 6.82 pCi/g (wet) for K-40. Three activation products, Mn-54, Co-58 and Co-60, were detected at two downstream sample locations during 1988. One sample result at CL-19 showed concentrations for Co-58 and Co-60 of 0.090 pCi/g (wet) and 0.081 pCi/g (wet), respectively. The presence of Mn-54 was detected at two downstream bample locations, once at CL-9 and twice at CL-19. 73 L
The reported concentrations ranged from 0.051 to , 0.15 pCi/g (wet). Concentrations of Mn-54, Co-58 ' and Co-60 were attributed to the operation of the Clinton Power Station. One fission product, Cs-137, was detected in several periphyton samples. Concentrations for Cs-137 ranged from 0.025 to 0.074 pCi/g (wet) . Preoperational results for Cs-137 showed concentrations ranging from 0.042 to 0.15 pCi/g (wet). The presence of Cs-137 is attributed to previous nuclear weapons testing and atmospheric i fallout from the accident at Chernobyl. Periphyton analyses are included in the Clinton Power Station environmental monitoring program because of their extrer.a sensitivity to the presence of radionuclides in the aquatic environment. The presence of these radionuclides ! in Clinton Lake periphyton poses no significant 1 exposure pathway to man since the fish species I (intermediate in the food chain to man) do not ! contain measurable amounts of these materials. i E. Terrestrial Monitorina j In addition to the direct radiation, radionuclides ; present in the atmosphere expose individuals when ' these radionuclides deposit on surfaces (such as ; plants and soil) and are subsequently ingested i directly by man or indirectly by consumption of animal products such as meat and milk. To monitor i this food pathway, control and indicator samples of green leafy vegetables, grass, milk (control only) and meat (indicator only) are analyzed. Surface soil samples are collected and analyzed at three-year intervals (triennially) to monitor the potential buildup of atmospherically deposited radionuclides. Surface vegetation samples are collected from a number of locations for the purpose of monitoring the potential buildup of atmospherically deposited radionuclides. Because the radionuclides of interest, with respect to the Clinton Power Station operations, are also present in the environment as a result of several decades of worldwi;e fallout or because they are naturally occtr_ ring, the presence of these radionuclides is l expected to some extent in all of the samples collected. 74 i l
The possible contributions of radionuclides'from the operation of the Clinton Power Station are assessed by comparing the results of samples collected in prevalent downwind locations (north to northeast of the plant) with-control samples and samples collected in locations. generally upwind of the plant. In addition, the results of samples collected during 1988 were compared with the results of samples collected during the preoperational' program. In addition-to naturally occurring radioisotopes, Sr-90 and Cs-137 were'found in a number of 1988 samples. However, the concentrations.of radionuclides in samples collected near the Clinton Power Statien were comparable to the concentrations in samples collected at locations remote from the station. The presence of these fission products is attributable to previous nuclear weapons testing and fallout from the-accident at Chernobyl.. The operation of Clinton Power Station had no measurable contribution to the radioactive concentration of the terrestrial environment. - Milk l There is no known commercial production of milk ! for human consumption within a five-mile radius of the Clinton Power Station. Milk samples are collected from a dairy located about 14 miles west ; southwest of the station (twice a month during May through October and once a month during' November through April). These samples are analyzed for I-131, Sr-90 and gamma isotopic activities. The results of the analyses showed positive concentrations of K-40 and Sr-90 in all 1988 samples with a range of 1130 to.1370 pCi/l for K-40 and 0.4 to 3.4 pCi/l for Sr-90. , Preoperational activity of K-40 in milk rcnged l from 706 to 1375 pCi/1. Strontium-90 (Sr-90) analysis in milk was added'to the REMP in October . of 1987. These results ranged from 2.3 to 2.5 pCi/1. I-131 was not detected in any milk sample obtained during 1988. Figure 10 presents the Sr-90 results graphically. l l l i 75
i i 5.0 E 1988 Average Activity ' l 4.0 - I i
)
3.0 - l ll 5's N E
/ ,
i { 5 2.0 - E [ x ,
,\ !!
1.0 - 0.0 I I I I I i t i i i Jon Feb Mor Apr May Jun Jul Aug seP Oct Nov Dec Month FIGURE 10: STRONTIUM-90 ACTIVITY IN MILK 1 76
Grass In addition to milk samples, grass samples are i l collected at three indicator locations and at one j control location. These samples are collected twice a month during May through october and once 1 a month during November through April. These { samples are analyzed for gamma isotopic activity i including I-131. The results of the analyses showed naturally occurring Be-7 and K-40 in all 1988 samples.with a range of 0.25 to 12.4 pCi/g (wet) for Be-7 and 0.80 to 9.93 pCi/g (wet) for K-40. Four samples showed the presence of Cs-137 which ranged from 0.014 to 0.042 pCi/g (wet), .Preoperational grass activity ranged from 0.22 to 14.00 pCi/g (wet) for Be-7, 0.22 to 14.50 pCi/g (wet) for K-40 and 0.017 to 0.085 pCi/g (wet) for Cs-137. I-131 was not , detected in any grass sample obtained during 1988. i Veaetables The Clinton. Power Station obtains samples of j cabbage, lettuce.and swiss chard from two indicator locations and at one control location. ! The indicator locations are located in the sectors with the highest potential for surface deposition , and the control location is in the sector and at a distance which is considered to be unaffected by . plant operations. Samples are collected once a i month during the growing season (June through l September) and analyzed for gross beta and gamma isotopic activities including I-131. The results of the gamma isotopic analysis showed ) only naturally occurring K-40 and Be-7. K-40 was found in all 1988 samples and Be-7 was found in four sampics. Activity ranged from 1.66 to 11.0 pCi/g (wet) for K-40 and from 0.09 to 0.40 pCi/g (wet) for Be-7. Preoperational gamma isotopic results ranged from 1.45 to 7.00 pCi/g (wet) for K-40 and 0.082 to 0.69 pCi/g (wet) for Be-7. The results of the gross beta analysis ranged from 1.1 , to 8.0 pCi/g (wet). Preoperational gross beta activity anged from 0.87 to 8.80 pCi/g (wet). i I-131 was not detected in any vegetation sample during 1988. 4 77 i
l Meat As an additional check on the presence of radioactive materials in terrestrial exposure pathways, the Clinton Power Station collects annual samples of beef liver, beef thyroid and ) ground beef from one of the animals raised near the plant. These samples are analyzed for gamma isotopic activity including I-131. The results of the gamma isotopic analysis showed only naturally occurring K-40 ranging from 0.21 to 2.19 pCi/g (wet). Preoperational activity ranged from 1.95 to 2,.78 pCi/g (wet). I-131 was not detected in the meat samples during 1988. l Soil Soil samples adjacent to the air sample stations are collected triennially from eight indicator locations and one control location. The samples are collected to monitor the potential buildup of ' atmospherically deposited radionuclides. These samples are analyzed for gross beta, gross alpha and gamma isotopic activities. Soil samples are sifted to remove any stones or debris and then dried. The results of the gross beta activity ranged from 20.3 to 26.7 pCi/g (dry). Preoperational gross beta activity ranged i from 17.7 to 24.7 pCi/g (dry). Gross alpha ; activity ranged from 4.9 to 12.6 pCi/g (dry). Preoperational gross alpha activity ranged from 6.2 to 10.4 pCi/g (dry). Gamma isotopic activity indicated several naturally occurring isotopes, such as K-40, Ra-226, Pb-212 and one fission ! product, Cs-137. Cs-137 concentrations ranged from 0.048 to 0.53 pCi/g (dry). Preoperational Cs-137 activity ranged from 0.14 to 0.40 pCi/g (dry). The levels of Cs-137 activity in the 1988 samples were slightly higher than the values detected in the preoperational program. The presence of ' Cs-137 is attributed to previous nuclear weapons testing, while the increase in Cs-137 activity in the 1988 soil samples is most likely the result of the Chernobyl accident. Figure 11 graphically shows the gross beta and Figure 12 shows the Cs-137 activities during 1988 versus the preoperational prograr. ! 78
Sr 0 I: 1 Preop Activity G 1988 Activity 40.0 - T* 30.0 - S - 0.0 - 0.0 , ,-- , , 7- ,- CL-1 CL- 2 CL- 3 CL- 4 CL- 6 CL-7 CL-8 CL-11 CL-94 Locotton FIGURE 11: CROSS BETA ACTIVITY IN SolL Note: CL-94 odded to program in 1986, no preoperoflonal samples taken 0.800 j Q Preop Activity 0.700 -
@ g ggg gc,,,;,y 0.600 -
j l f 0.500 -
$ 0.400 - _ _
0.300 - _g 0.200 - ,
-I 0.100 - .~
<j 0.000 -
' F ,-'
CL-1 CL-2 CL-3 CL-4 CL-6 CL-7 CL-8 CL-11 CL-94 Locotlon FIGURE 12: CESIUM-137 ACTIVITY IN SolL Note: CL-94 odded to program in 1986, no preoperational somples token 79
I i l F. Water Monitorina j i l Section 2.4 of the Updated Safety Analysis Report' ] I (USAR) for the Clinton Power Station provides a i l technical description of the geologic and , hydrologic conditions in the vicinity of the ! Clinton Power Station, and the locations of public and private wells. The most rapid vertical diffusion of surface water into the sub-surface
, aquifer supplying local wells is about 10.5 feet per year. The only identified user of water from Clinton Lake for domestic purposes is the Clinton Power Station; all others.potentially exposed to i any radioisotopes released into surface or ground water would not be affected for several years..
Water monitoring provides'for the collection of ground water (well water), surface water and drinking water samples to detect the presence of any radioisotopes related to the operation of the Clinton Power Station. Both indicator and control i locations were sampled during 1988. These samples ) were analyzed for naturally occurring and man-made ! radioactive isotopes. Average tritium and gross " beta concentrations in surface, drinking and well water are presented in Table 11 and Table 12. i l Drinkina Water The Clinton Power Station domestic water system is the only known direct user of water from Clinton 1 Lake for human consumption. A composite water ' sampler located in the Service Building collects a small, fixed volume sample at regular intervals. The sampler discharges each sample into a common sample collection bottle. Therefore, the monthly _ sample analyzed by the contracted laboratory service is a composite of the individual samples collected throughout the month. The monthly composite sample is analyzed for gross alpha, gross beta and gamma isotopic activities. A' portion of each monthly sample is~ mixed with the other monthly samples collected during each I calendar quarter. The quarterly composite sample . j is analyzed for tritium. l Gross alpha activity was not detected in any ! drinking water samples taken during 1983. Gross i beta activity ranged from 1.1 to 2.3 pCi/1. These ; levels are attributed to very fine particles of sediment containing X-40 which are not removed 80 i
during the chlorination and filtration process. Monthly drinking water gross beta concentrations are presented in Figure 13. Specific gamma-emitting radioisotopes were all below the lower limits of detection. Specific searches were made for activated corrosion products (manganese-54, iron-59, cobalt-58, cobalt-60 and zinc-65) and fission products (niobium-95, zirconium-95, cesium-134, cesium-137, barium-140 and lanthanum-140). The results of all analyses for tritium were less than the lower limit of detection. The lower limit of detection ranged from 174 to 193 pCi/1, These results show no measurable effects on drinking water resulting from operation of the Clinton Power Station during 1988. Surface Water Composite water samplers are installed in three locations to sample surface water from Clinton Lake. These samplers collect a small volume of water at regular intervals and discharge it to a large sample collection bottle. . These bottles are collected monthly. One of the composite samplers is located upstream from Clinton Power Station and is normally unaffected by plant operations. The two other composite samplers are positioned at the locations most likely to be affected by plant operations (one samples the intake water to the Circulating Water Intake Structure and the other samples the water at the start of the plant discharge flume). Monthly grab samples are collected from two indicator locations and one control location on Clinton Lake. One additional indicator sample is obtained from the Clinton Power Station lower settling pond. Surface water samples are analyzed for gross beta, gamma isotopic and tritium activities. Additional analyses for gross alpha activity are performed on the upstream water samples. Aditional analyses for gross alpha activity and I-131 activity are l performed on water sar.ples taken from the discharge flume. Tritium analyses are performed monthly on samples from the lower settling pond, the intake structure water samples and the upstream composite water samples, and quarterly from composites of monthly. samples at the other locations. 81
5.0
+ Preop Activity 5 1988 Activity 4.0 -
l 3.0 - kO O I g ! k / I 2.0 - / 3 s- - -
.N 5
%g x/
1.0 - 00 i i i i i i i i i i Jon Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dee Month FIGURE 13: GROSS BETA ACTIVITY IN DRINKING lYATER 1 I 82 1
i j The 1988 results of the gross beta analyses ranged from 1.3Eto 6.7 pC1/1 at the indicator locations and.1.5 to 4.0 pCi/l at the control location. . Preoperational gross beta activity ranged from 1.1 l to 7.6 pCi/l'at the indicator locations and 1.4 to , 4.2 pC1/1 at the control location. These results j are attributed to naturally occurring K ; suspended as fine sediment particles in water. ! Other types of samples have. confirmed the presence of K-40 in Clinton Lake shoreline and bottom i sediments. Monthly surface water. gross beta. ; activity for the control and indicator locations are presented graphically in-Figure 14. Tritium analyses performed on samples indicated ~ one sample with a concentration of 230 pci/1. All l other concentrations were less than the lower limit of detection which ranged from 141 to 202 , pCi/1. The preoperational tritium concentrations l ranged from 220 to 330 pCi/1. As noted in i reference (Ei87), previous nuclear weapons testing increased the normal levels of tritium (6-24 pC1/1) by a factor of approximately fifty (300-1200 pCi/l). Since the levels of tritium reported i in some samples fall in the low end of the l existing, non-reactor-related, natural inventory of tritium, it is considered this positive result is not associated with operation of the Clinton , Power Station. 1 The results of the gamma isotopic analyses ! indicated that one sample had K-40 at a concentration of 45.6 pCi/l during 1988. All- ; other recults were less than the lower limit.of detection. No I-131 was detected in any surface water sample during 1988. I Gross alpha activity was detected in most surface water samples analyzed for gross alpha. The 1988 results ranged from 0.5 to 4.1 pCi/1. Preoperational gross alpha activity ranged from 1.3 to 1.9 pCi/1. These results were attributed to naturally occurring radioisotopes, such as U-238 and Ra-226, suspended as fine sediment particles in water. These results show no measurable change in radioactive material concentration in surface water due to operation of the Clinton Power Station during 1988. d 83
e 4 S.0 ( ) Prooperosional Activity
+ Preop Control u Preop indicator 4.0 -
2 3 N ~
< 2.0 - a 8 . 1.0 -
0.0 , , , , , , , , , , Jon Feb Mor Apr May Jun Jul Aug Sep Oct Nov Dec Month l 1 5.0 (b) 1988 Activity i
+ 1988 Control u 1988 Indicator 4.0 ~
W
- l 5 1 . 2.0 - e x,/
1.0 - 0.0 , ' Jon Feb Mor Apr M'a y Jun lui A'ug S'e p det N'ov Dec Month FIGURE 14: CROSS '1 ETA; (cd PREOPERA TIONAL, (b) 1988 ACTIVITY IN SURFACE FYATER i k 84 I a
Well Water Every two weeks samples are collected from the well serving the Village of. DeWitt (both treated and untreated samples are obtained) and from a well serving the Illinois Department of Conservation at the Mascoutin State Recreational Area. Each sample.is analyzed for I-131. All-the samples drawn from the same well during a particular month are combined and analyzed for gross alpha, gross beta and gamma isotopic activities. In addition, a portion of each monthly composite is added to the quarterly composite sample and is analyzed for tritium. The 1988 results of the gross beta analyses ranged from 1.0 to 4.2 pCi/1. Preoperational gross beta activity ranged from 1.1 to 5.1 pCi/1. The gross beta activity was attributed to naturally occurring K-40 suspended as fine sediment particles in water. I Gross alpha activity was detected in four well water samples ranging from 1.1 to 1.5 pci/l during 1988. Preoperational gross alpha activity ranged from 0.9 to 1.8 pCi/1. These results were attributed to naturally occurring radioisotopes, such as U-238 and Ra-226, suspended as fine sediment particles in water. The 1988 results of the gamma isotopic analyses indicated two samples had K-40 concentrations of 86.5 and 87.9 pCi/1. All other gamma isotopic results were less than the lower limit of I detection. Tritium and I-131 were not detected in any well water samples taken during 1988. 1 85
TABLE 11 1988 AVERAGl' TRITIUM CONCENTRATIONS IN SURFACE. DRINKING AND WELL WATEB Average't 2 s.d. Station Qgscriot12D (DCi/1)* Surface Water CL-9 (I) DeWitt Road Bridge <193 CL-10 (C) Ill. 48 Bridge <193 CL-13 (I) Salt Creek (below dam) <193 CL-90 (I) CPS Discharge Flume <193 CL-91 (I) Parnell Boat Access <202 CL-92 (I) CPS Intake Screenhouse 230 99 CL-93 (I) CPS Settling Ponds <202 Drinkina Water CL-14 (I) CPS Service Building <193 Well Water CL-7 (I) Mascoutin State Recreation <193 Area CL-12 (I) DeWitt Pump Station <193 Treated CL-12 (I) DeWitt Pump Station <193 Untreated Based on detectable activities only, "less than" values are the highest reported LLD. (C) Control (I) Indicator 1 86
TABLE 12 1988 AVERAGE GROSS BETA CONCENTRATIONS IN SURFACE, DRINKING AND WELL WATER-Average 2 s.d. Station Description (DCi/l)* Surface Water CL-9 (I) DeWitt Road Bridge 2.7 1.4 CL-10 (C) Ill. 48 Bridge 2.8 1.4 CL-13'(I) Salt Creek-(below dam) 2.6 2.4-CL-90 (I). CPS Discharge Flume 3.1 1.8 CL-91 (I) Parnell Boat Access '3.0 2.4 CL-92 (I) CPS Intake Screenhouse 2.8 2.6' CL-93 (I) CPS Settling Ponds 3.4 1.8 Drinkina Water CL-14 (I) CPS (Service Building) 1.7 0.7-Well Water CL-7 (I) Mascoutin State Recreation 2.2 1.3 Area CL-12 (I) DeWitt Pump Station 2.9 1. 5 - . Treated i CL-12 (I) DeWitt Pump Station 2.5 1.5 Untreated q
?
Based on detectable activities only (C) Control 4 (I) Indicator i 87-
These results show no measurable change in radioactive material concentration in well water resulting from operation of the Clinton Power Station during 1988. G. Quality Assurance Procram To establish confidence that data developed and reported are accurate and precise, all REMP activities are incorporated into the Illinois Power Company Quality Assurance (QA) program of audits and surveillance. The Quality Assurance program requires: The analysis laboratory to participate in intercomparison programs, such as performance testing for TLDs, with the EPA crosscheck program. An annual audit of the analysis laboratory functions and facilities. Biennial review of the Clinton Power Station procedures specifying sampling techniques. That the analysis laboratory perform a duplicate analysis of every tenth sample assayed (not including TLDs). This requirement is to check laboratory precision. That quality control samples be routinely counted. Approximately ten percent of the total number of counts performed are to be quality control counts. The analytical results provided by the laboratory 1 were routinely reviewed by the Radiological Environmental Group of the Radiation Protection Department to ensure the required minimum sensitivities have been achieved and the proper analyses have been performed. Teledyne Isotopes Midwest Laboratory (TIML) participates in the Environmental Protection Agency crosscheck program. The TIML participant code in the crosscheck program is CA. Participation in this program provides assurance that the laboratory is capable of meeting widely-( 1 88
accepted criteria for radioactivity analysis. j Results of the 1988 crosscheck program and other in-house quality programs are shown in Tables 13, 14, 15 and 16. These results indicate that TIML is capable of routinely performing-high quality analysis on environmental samples. l l 89 L_____ _
A
'1 TABLE 13 )
U. S. EPA CROSSCHECK PROGRAM (a) Concentration in oCi/1(b) Lao Sample Date TIML Result EPA Result (d) Egste Tvoe Collected ' Analysis 22 s.d.fe) 21 s.d. N=1 ' control Limits STW 521.- .' iter '
..an.1988 Sr 89 27.325.0 30.0 5.0 21.3-38.7 Sr 90 15.321.2 15.0t1.5 12.4 17.6 STW 523 Water Jan 1988 Gr.' alpha 2.321.2 4.025.0 0.0 12.7 Gr. beta - 7.721.2 8.025.0 0.0 16.7 STF 524 Food Jan 1988 - Sr 89 .44.0t4.0 <46.0t5.0 37.3 54.7 Sr 90 53.022.0 55.0:2.8 ' 50.2 59.8' ;)
I-131 102.324.2 102.0:10.2 '84.3 119.7 cs-137 95.7s6.4 91.025.0 82.3 99.7 K 1010.72158.5(g) 1230.0261.5 1123.5 1336.5 STW 525 Water Feb 1988 to-60 69.322.3 69.025.0 60.3 77.7 Zn-65 99.023.4 94.0$9.4 77.7 110.3 Ru 106 92.7 14.4 105.0t10.5 86.8 123.2 cs-134 61.718.0 64.025.0 55.3 72.7 l cs 137 99.723.0 94.045.0 -85.3 102.7 STW-526 Water Feb 1988 H3 34532103 3327 362 2700 3954-STW 527 Water Feb 1988 Uranlun 3.020.0 3.046.0 0.0 13.4 STM 538 Wik Feb 1988 l 131 4.721.2 4.020.4 3.3 4.7 STW-529 Water Mar 1988 Ra 226 7.120.6 7.621.1 5.6-9.6 Ra 228 l NA(e) 7.721.2 5.7 9.7 STW-530 Water Mar 1988 Gr. alpha 4.321.2 6.025.0 0.0 14.7 1 Gr. beta 13.341.3- 13.025.0 4.3 21.7 STAF 531 Air Mar 1988 Gr. alpha 21.022.0 20.0t5.0 11.3 28.7 I Filter Gr. beta 48.020.0 50.025.0 41.3 58.7 l Sr-90 16.7&1.2 17.021.5 14.4 19.6 cs 137- 18.7*1.3- 16.025.0 7.3-24.7 STW 532 Water Apr 1988 I,131 9.022.0(h) 7.520.8 6.2 8.8 STW-533 Water Apr 1988 534 (blind) l Sample A Gr. alpha N0(f) 46.0 11.0 27.0 65.0 Ra*226 NO - 6.4t1.0 4.7 8.1 Ra-228 No 5.620.8 4.2 7.0 Uranlun 6.020.0 6.026.0 0.0 16.4 90
l l q TABLE 13 (Cont 8d) Concentration in oCf/1(b) l EPA Result (d) j Lab Sample Date TIMt Result Code Tvoe Cotteeted Analysts 12 s.d.fel ti s.d. Ns1 Control limits sompte B Gr. beta ND $7.025.0 48.3 65.7 sr 89 3.3:1.2 5.025.0 0.0 13.7 sr 90 5.311.2 5.021.5 2.4 7.6 41.3 58..' Co 60 63.3t1.3(l) 50.025.0 Cs 134 7.711.2 7.015.0 0.0 15.7 Cs 137 8.321.2 7.025.0 0.0 15.7 STW 536 Water Apr 1988 sr 89 14.721.3- 20.025.0 11.3 28.7 sr 90 20.022.0 20.021.5 17.4 22.6 sTW 538 Water Jun 1988 Cr 51 331.7213.0 , 302.0230.0 250.0 354.0 co 60 16.022.0 15.025.0 6.3-23.7 Zn 65 107.7411.4 101.0210.0 83.7 118.3 Ru 106 191.3t11.0 195.0220.0 160.4 229.6 Cs 134 18.324.6 20.015.0 11.3 28.7 Cs 137 26.321.2 25.025.0 16.3 33.7 l 1 STW 539 Water Jun 1988 H3 5586292 55652557 4600 6530 l l sTM 541 Milk Jun 1988 s 89 33.7 11.4 40.025.0 31.3 48.7 l sr-90 55.325.8 60.043.0 54.8 65.2 1 131 103.743.1 94.029.0 78.4 109.6 Cs 137 52.723.1 51.0 5.0 42.3 59.7 K 1586.7223.1 1600.0280.0 1461.4 1738.6 sTW 542 Water Jul 1988 Cr. alpha 8.724.2 15.025.0 6.3 23.7 cr. beta 5.3:1.2 4.045.0 0.0 12.7 STF 543 Food Jul 1988 sr 89 ND 33.015.0 24.3-41.7 sr 90 WD 34.012.0 30.5 37.5 I 131 115.025.3 107.0211.0 88.0 126.0 Cs 137 52.726.4 49.025.0 40.3 57.7 l K 1190.0266.1 1240.0162.0 1132.6 1347.4 STW 544 Water Aug 1988 1 131 80.020.0 76.018.0 62.1 89.9 STW 545 Water Aug 1988 Pu 239 11.0 0.2 10.211.0 8.5 11.9 STW 546 Water Aug 1988 Uranlun 6.0t0.0 6.026.0 0.0-16.4 l STAF 547 Air Aug 1988 Gr. alpha 8.0t0.0 8.025.0 0.0 16.7 Fitter Cr. beta 26.321.2 29.025.0 20.3 37.7 l sr 90 8.022.0 8.021.5 5.4-10.6 Cs 137 13.022.0 12.025.0 3.3 20.7 i 91 I
...,.1 I
TABLE 13 (Cont'd) Concentration In oCl/1(b) Lab $arrple Date TIML Result EPA Result (d) Code Tvoe Collected Analvsjs 12 s.d.(c) 11 s.d. Na1 Control limits STW 548 Water Sep 1988 Re 226 9.320.5 8.422.6 6.2 10.6 Ra 228 - 5.820.4 5.411.6 4.0 6.8 STW 545 Water Sep 1988 Cr. alpha 7.012.0 8.025.0 0.0 16.7 i cr. beta 11.3st.2 10.025.0 1.3 18.7 STW 550 Water Oct 1988 Cr 51 252.0214.0 251.0225.0 207.7 294.3 l Co 60 26.022.0 25.025.0 16.3 33.7 2n 65 158.3210.2 151.0115.0 125.0 177.0 Ru-14 153.029.2 152.0215.0 126.0 178.0 Cs 134 28.725.0 25.025.0 16.3-33.7 Cs-137 16.321.2 15.025.0 6.3 23.7 STW 551 Water Oct 1988 H3 2333.32127.0 2316.02350.0 1709.8 2927.2 I I STW 556 Water Nov 1988 Gr. alpha 9.023.5 9.015.0 0.3 17.7 Cr. beta 9.721.2 9.015.0 0.3 17.7 (a) Results obtained by Teledyne Isotopes Midwest Laboratory as a participant in the environmental sample crosscheck program operated by the Intercomparison and Calibration ; Section, Quality Assurance Branch, Environmental Monitoring and support Laboratory, U. S. Environmental Protection Agency (EPA), Las Vegas, Nevada. (b) All results are in the pCl/l, except for elemental potasslum (K) data in milk, which are in mg/l; air filter samples, whIch are in pCl/ filter; and food, which is in mg/kg. (c) Unless otherwise Indicated, the TIML results are given as the mean 12 standard devlations for three determinations. (d) USEPA results are presented as the known values and expected laboratory precision (11 s.d., 1 determination) and control limits as deffned by EPA. (e) NA e Not analyzed. l (f) ND a No data. Not analyzed due to relocation of the lab. (g) Outside control timit error in transference of data. Correct data was 1105:33. Addition of error to TIML value will result in acceptable range. (h) Outside control limit sample recounted after 12 days. The average result was 8.821.7 (within EPA control limits). (1) Outside control limit high level of Co 60 was due to contamination of a beaker. Beaker was discarded upon discovery of contamination. 92
TABLE 14 IN HOUSE SP!KED SAMPLES Concentration in DCf/L Lab Sample Date TIML Result Known. Expected Code Type Collected Analysis n=3 Activity Precision t1 s.d. n=3(a) SPM 16 Mllk Jan 1988 Sr-89 31.726.0 31.8:4.7 8.7 Sr-90 27.8 3.5 25.5 2.7 8.7 1-131 23.225.0 26.420.5 .10.4
.Cs 134 24.226.0 23.8 2.3 8.7 Cs-137 25.126.0 26.520.8 8.7.
SPM 17 Milk Feb 1988 1 131 10.6t1.2 - 14.321.6- 10.4
$PW 35 Water Feb 1988 I 131 9.721.1 11.621.1 10.4 SPW 36 Water Feb 1988 I-131 10,5 1.3 11.6 1.0- 10.4 SPW 37 Water Mar 1988 Sr 89 19.828.0 17.122.0 8.7 Sr 90 17.325.0 18.7 0.9 5.2 SPM 18 M{lk Apr 1988 I 131 26.7t5.0 33.222.3 10.4 Cs-134 30.225.0 31.322.1 8.7 Cs 137 26.225.0 29.921.4 8.7 l SPW 38 Water Apr 1988 I 131 14.2t5.0 17.1t1.1 10.4 SPW 39 Water Apr 1988 H-3 41762500 4439231 724 SPW-40 Water Apr 1988 Co-60 26.124.0 23.720.5 8.7 Cs 134 29.224.5 25.422.6 8.7 Cs 137 26.224.0 26.6t2.3 8.7 SPW 41 Water Jun 1988 Gr. alpha 13.1 5.0 12.320.4 8.7. ;
Gr. beta 20.125.0 22.621.0 8.7 i SPS 42 Milk Jul 1988 Sr 89 15.121.6 16.425.0 8.7 ' Sr-90 18.92 0.6 18.315.0 8.7 I 131 88.4 4.9 86.618.0 10.4 Cs 137 22.7 0.8 20.8t6.0 8.7 SPW 43 Water Sep 1988 Sr-89 48.5t3.3 50.828.0 8.7 Sr 90 10.921.0 11.423.5 5.2 SPW 44 Vater Oct 1988 Co 60 20.923.2 21.413.5 8.7 Cs 134 38.721.6 38.026.0 8.7 Cs 137 19.022.4 21.023.5 8.7 SPW 45 Water Oct 1988- I 131 22.220.6 23.323.5 10.4 l 93 .;
TABLE 14 (Cont'd) Concentration in oci/l Lab Sample Date TIML Result Known Expected Code Type Collected Analysis n=3 Activity Precision
*1 s.d. n=3(a)
$PW 46 Water Oct 1988 H3 4109:43 4153 500 724 SPS 46 Milk Oct 1988 I 131 59.8 0.9 60.6t9.0 10.4 Cs 134 49.621.8 48.627.5 8.7 Cs 137 25.8t4.6 24.7 4.0 8.7
$PW 47 Water Dec 1988 Gr. alpha 11.5 2.3 15.225.0 8.7 Gr. beta 26.5 2.0 25.725.0 8.7 (a) n=3 unless noted otherwise.
(b) ns2. (c) n=1. 94
l l 1 TABLE 15 J IN HOUSE BL ANK SAMMES Concentration in oCf/l I Acceptance Lab Sarnple Date Results Criteria Code Tvoe Cottected Analysis (4.66 s.d.) (4.66 s.d.) SPS 5386 Milk Jan 1988 I 131 <0.1 <1 SPS 5448 Dead Water Jan 1988 H3 <177 <300
)
l SPS 5615 Mitk Mar 1988 Cs 134 <2.4 <10 Cs 137 <2.5 <10 1 131 <0.3 <1 I Sr 89 <0.4 <5 i Sr-90 2.410.5(a) <1 SPS-5650 Je-lonized Mar 1988 Th 228 <0.3 <1 Water Th 230 <0.04 <1 Th 232 <0.05 <1 U-234' <0.03 <1 U-235 <0.03 <1 U 238 <0.03 <1 Am-241 <0.06 <1 cm-242 <0.01 <1 Pu-238 <0.08 <1 Pu-240 <0.02 <1 SPS 6090 Milk Jul 1988 Sr 89 <0.5 <1 Sr 90 1.810.5(a) <1 1-131 <0.4 <1 Cs 137 <0.4 <10 SPW 6209 Water Jul 1988 Fe-55 <0.8 <1 SPW 6292 Water Sep 1988 Sr-89 <0.7 <1
$r-90 <0.7 <1 SPS 6477 Milk Oct 1988 l 131 <0.2 <1 Cs-134 <6.1 <10 Cs-137 <5.9 <10 SPW 6478 Water Oct 1988 ( 131 <0.2 <1 SPU-6479 Water Oct 1988 Co-60 <5.7 <10 Cs 134 <3.7 <10 Cs 137 <4.3 <10 95
TABLE 15 (Cont'd) Concentration in oCI/I Acceptance Lab sample Date Results Criteria Code TYDe Collected An8IYSI$ (4.66 S.d.) (4.66 S.d.) SPW 6480 Water Oct 1988 H3 <170 <300 SPW 6625 Water Dec 1988 Gr. alpha <0.7 <1 Cr. beta <1.9 <4 (a) Low level (1 4 pCf/l) of Sr-90 concentration in milk is not unusual. l l l 96
TABLE 16 ACCEpfANCE CRITERIA FOR "SPfKED" SAMPLES LA800Af0RY PRECISIONt ONE STANDARD DEVI ATION VAllg,1__ FOR VARIOUS ANALYSES (a) One Standard Deviation Analysis tevel for Sinale Determination . , camma Emitters 5 to 100 pcl/ liter or kg 5 pcl/ liter
>100 pci/ liter or kg 5% of known value strontium-89(b) 5 to 50 pci/ liter or kg -5 pcl/ liter
>50 pci/ liter or kg 10% of known value stronti m-90(b) 2 to 30 pcl/ liter or kg 3.0 pci/ liter 330 pcl/ liter of kg 10% of known value i
potassium >0.1 g/ liter or kg 5% of known value J Gross Alpha <20 pcl/ liter 5 pcl/ liter
>20 pcl/ liter 25% of known valuo Gross Beta <100 pcl/ liter 5 pcl/ liter
>100 pcl/ liter .5% of known value Tritium <4,000 pCl/ liter 1 s.d. = (pCi/ Liter) = 1 33 I 169.85 x (known).
>4,000 pcl/ liter 10% of known value .
Radium-226 <0.1 pct / liter 15% of known value Radlun 228 I Plutoniun 0.1 pci/ Liter, gram 10% of known value or sample Iodine-131, <55 pci/ liter 6 pcl/ liter lodine-129(b) >55 pci/ Liter 10% of known value Uranlun-238, <35 pcl/ liter 6 pci/ liter Nickel 63(b),. >35 pci/ Liter '15% of known value l Technetium 99(b) l i tron 55(b) 50 to 100 pcl/ liter 10 pci/ Liter 10% of known value (a) From EPA publication, " Environmental Radioactivity Laboratory Intercomparison Studies Programa , Fiscal Year 1981 1982, EPA 600/4 81-004 I (b) T!ML limit. j
'97 !
i
i l H. Chances to the REMP Durinn 1988 Occasionally changes to the Radiological Environmental Monitoring Program are necessary in order to better monitor the environmental-exposure pathways. These changes may result from items identified during the performance of the Annual Land Use Census, revised or new regulatory requirements, Quality Assurance audits or supplemental periodic and long term sampling and analyses. During 1988, there were'no identified changes due to the Annual Land Use Census, Quality Assurance audits, or any other audits or regulatory j requirements. Changes that were made during 1988 are listed in Table 17. l TABLE 17 CHANGES TO THE REMP DlTING 1988
- 1. March, 1988 TLD located at CL-48 was moved approximately 300 feet west southwest. The move was due-to theft of the TLD from its previous location.
- 2. April, 1988 Collection of a shoreline sediment sample was initiated at CL-93 location.
I
- 3. June, 1988 Additional periphyton samples were initiated at two locations on Clinton Lake, j CL-7B and CL-9. Also, sample i frequency was increased for i collection of periphyton on Clinton Lake.
l 98 a
IV. ANNUAL LAND USE CENSUS v LL4 + 4 ,3; 1 >
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IV. ANNUAL LAND USE CENSUS i A land use census is performed to ensure that changes in the use of areas at and beyond the site boundary are j identified and that modifications to the REMP are made, if required, by evaluation of the land use census. The land use census is performed to identify within a l distance of 5 miles, the locations in each of the 16 ) meteorological sectors of the nearest milk animals, the ! nearest residence and the. nearest garden of greater than 500 square feet producing broadleaf vegetation. Also, the census shall identify within a distance of 3 , miles, the location in each of the 16 meteorological { sectors of all milk animals and all gardens of greater j than 500 square feet producing broadleaf vegetation. ) The 1988 Land Use Census was conducted during the growing season from July 18, 1988, through September 1, 1988, satisfying the Clinton Power Station Technical
. Specifications. over 70 residences were surveyed by either direct contact or telephone follow-up. Data for this report were obtained using the following means: i Performing door-to-door solicitation of residences / land owners identified in the 1987 :
Annual Land Use Census and the 1987 plat of DeWitt County. Driving along all roads within a five-mile radius 4 and performing door-to-door solicitation of residences / land owners not identified by the 1987 report. Contacting several state and local agencies. The results of the 1988 Annual Land Use Census were examined to ensure that the REMP will provide representative measurements of radiation and radioactive materials in those exposure pathways and for those radionuclides that lead to the highest potential radiation exposures to the general public resulting from the operation of the Clinton Power Station. Table 18 provides the nearest residence, garden and livestock / dairy animal in each of the 16 meteorological sectors within a 5-mile radius of the Clinton Power Station. Figure 15 graphically shows the information listed in Table 18. Based on the examination of the results from the 1988 Annual Land Use Census, no changes were required to the REMP during 1988. 100
Summary of Changes Identified in 1988 Annual Land Use Census Nearest Residence A total of four changes were identified for the nearest residence. This resulted from either a change in residence ownership, or two residences being equal in distance. Changes are shown below: NNE Sector - change in residence ownership at 0.9 miles. ENE Sector - two residences at 2.5 miles since both are equal in distance. SSE Sector - change in residence ownership at 1.7 miles. S Sector - two residences at 3.0 miles since both are equal in distance. Nearest Garden A total of 63 gardens were identified in the 16 sectors within a 5-mile radius of Clinton Power Station. Specifically, broadleaf vegetation (cabbage, lettuce, swiss chard) was identified for this report. In most cases tomatoes, sweet corn and beans were grown in all sectors. Changes in census locations for the nearest garden were identified in 8 of the 16 sectors and are shown below: 1987 Census Location 1988 Census Location 0.9 miles NNE 2.0 miles NNE 2.5 miles ENE 2.6 miles ENE 1.1 miles E 1.5 miles E 2.9 miles SE 4.6 miles SE 2.7 miles SSE 2.6 miles SSE 3.6 miles SW 0.8 miles SW 1.4 miles W 2.3 miles W 1.0 miles WNW 0.8 miles WNW Nearest Livestock / Dairy Over 480 head of cattle were identified in the 16 cectors within a 5-mile radius of Clinton Power Station, of which over 200 are cows whose milk was used for calf nursing. One farmer occasionally uses the j 101
f milk for human consumption'but was unwilling to provide milk samples. The balance of cattle are used solely for meat production. Over 660 othair farm animals were identified. The predominant species were chickens, pigs, hogs _and i sheep. No goats were identified'during the land use l census. Changes in.the census locations for the nearest-livestock / dairy.were identified in 6 of the 16 sectors-and are shown below: 1987 Census Location '1988 Census = Location 0.9 miles N 3.0 miles N None in ENE sectol' 4.6 miles ENE 2.3 miles NE None identified 2.7 miles SSE 2.4 miles-SSE None in NW sector 2.2 miles NW 0.9 miles NNW None identified a i 1 102 1
s TARhE_18 1988 ANNUAL LAND USE CENSUS NEAREST NEAREST NEAREST DAIRY RESIDENCE GARDEN 'OR LIVESTOCK DIRECTION (in miles) (in miles) (in miles) N 0.9* 0.9 3.0 NNE 0.9 2.0 1.3 NE 1.2 1.2 3.2 ENE 2.5* 2.6** 2.6 E' 1.1 1.5 3.1 ' ESE 3.2- 3.2 NA SE 2.9 4.6 2.9 SSE 1.7 2.6** 2.4~ S 3.0* 3.0 3.0
.SSW 3.0 3.0 3.2 SW 0.8 0.8 3.7 WSW 1.5 2.3* 2.9 W 2.0 2.9 NA WNW 1.6 0.8 2.8 NW 1.6 1.6 2.2 NNW 1.6 1.6 2.7 l
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- Two residences and gardens at the same distance from the HVAC stack.
- Several gardens at the same distance from the HVAC stack.
NA No dairy or livestock within 5 miles of CPS in that meteorological sector. ' 103
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V. METEOROLOGICAL MONITORING
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V. METEOROLOGICAL CHARACTERISTICS A. Description The climate of central Illinois is typical of the Midwest, with cold winters, warm summers and frequent short-peri od fluctuations in temperature, humidity, cloudiness and wind direction. The variability in central Illinois climate is due to its location in a confluence zone (particularly during the cooler months) between different air masses. The specific air masses which affect central Illinois include maritime tropical air which originates in the Gulf of Mexico; continental tropical air which originates in Mexico and the southern Rockies; Pacific air which originates in the eastern North Pacific Ocean; and continental polar and continental arctic air which originates in Canada. Monthly streamline analyses of resultant surface winds suggest that air reaching central Illinois most frequently originates over the Gulf of Mexico from April through August, over the southeastern United States from September through November, and over both the Pacific Ocean and the Gulf of Mexico from December through March. The major factors controlling the frequency and variation of weather types are determined by the movement of storm systems which commonly follow paths along a major confluence zone between air masses. The confluence zone is usually oriented from southwest to northeast through the region and normally shifts in latitude during this period, ranging in position from the central states to the United States - Canadian border. The average frequency of passage of storm systems along this zone is about once every 5 to 8 days. These storm systems are most frequent during the winter and spring months, causing a maximum of cloudiness during these seasons. Winter is characterized by alternating periods of steady precipitation and periods of clear, crisp and cold weather. Springtime precipitation is primarily showery in nature. The frequent passage of storm systems, presence of high winds, and frequent occurrence of unstable conditions caused by the close proximity between warm, moist air masses and cold, dry air masses, result in this season's thunderstorms and on occasion, are the source of hail, damaging winds and tornados. Although storm systems also occur during the fall months, the frequency of 106
occurrence during these months is less than that of the winter or spring months. Periods of dry weather characterize this season which ends rather abruptly with increasing storminess that usually begins in November. In contrast, weather during the summer months is characterized by weaker storm systems which tend to pass to the north of Illinois. A major confluence zone is not present in this region, and the region's weather is characterized by much sunshine interspersed with thunderstorms. Showers and thunderstorms are usually of the air mass type, although occasional outbreaks of cold air bring precipitation and weather typical of that associated with the fronts and storm systems of the spring months. When southeasterly and easterly winds are present in central Illinois, they usually bring mild and wet weather. Southerly winds are warm and showery, westerly winds are dry with moderate temperatures, and winds from the northwest and north are cool and dry. The prevailing wind is southerly at the Clinton Power Station. The frequency of winds from other directions is relatively well distributed. The monthly average wind speed is lowest during late winter and early spring. Table 19 presents a summary of climatological data at meteorological stations surrounding the Clinton Power Station site. The annual average temperature at the Clinton Power Station is about 52*F. Monthly average temperatures in the region range from the middle twenties in January to the middle seventies in July. Extreme temperatures in the region range from a maximum of 103*F (Peoria) and -22*F (Springfield). Maximum temperatures in the Clinton Power Station' region equal or exceed 90*F on an average between 17 and 28 times per year. Minimum temperatures in this region are less than or equal to 32*F on an average between ' 119 and 132 times per year. Humidity varies with wind direction, lower with westerly or northwesterly winds and higher with easterly or southerly winds. The early morning relative humidity is highest during the late summer, with an average of 87% at both Peoria and Springfield. The relative humidity is highest throughout the day during December, ranging from 83% in early morning to 72% at noon at both Peoria l i 107 l
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and Springfield. Heavy fog with visibility less than 1/4 mile is rare, occurring an average of 21 times pcr year at Peoria and 18 times per year at l Springfield and occurring most frequently during ! the winter months. Annual precipitation in the Clinton Power Station area averages about 35 inches per year. On the average, about 45% of the annual precipitation in the Clinton Power Station region occurs in the 5-month period from April through August. However, in this region no month averages less than 4% of the annual total. Monthly precipitation totals have ranged from 0.03 to 13.09 inches (Peoria). The maximum 24-hour precipitation at either station was 5.52 inches, l recorded at Peoria in May 1927. Snowfall commonly occurs from November through March, with an annual 4 average of 23.4 inches at Peoria, and 22.3 inches {' at Springfield. The monthly maximum snowfall of 18.9 inches at Peoria, and 22.7 inches at Springfield, occurred in December 1973. The 24-hour maximum snowfall, which also occurred in December 1973, was 10.2 inches at Peoria, and 10.9 inches at :pringfield. The terrain in central Illinois is relatively flat I and differences in elevation have no significant I impact on the general climate. However, the low hills and river valleys that exist cause a small ' effect upon nocturnal wind drainage patterns and fog frequency. l 108
i j TABLE 19 I UR NG TH CL N ON N8A i STATION-PARAMETER PEDRIA SPRINGFIELD Temperature (*r) -l Annual average '50.8 52.7 Maximum ' 103 (Jul 1940) .112 (Jul:1954) - Minia n ~-20'(Jan 1963)- *22 (Feb 1963). , Relative Huniditv (%) i Annual average at 6 a.m. 83 82 12 noon 62 60 Mln.!g Annual average speed (mph) 10.3 11.4 Prevailing direction S S Fastest mile: Speed (sph) .75 (Jul 1953) 75 (Jun 1957) Direction NW SW Precioltation (In.) Annual average 35.06 35.02 Monthly maximum 13.09 (Sep 1961) 9.91 (Apr 1964). Monthly minimum 0.03 (Oct 1964) 0.15 (Dec 1955) 24-hour maximum 5.06 (Apr 1950) 5.12 (Sep 1959) Snowfatt (In.) Annual average 23.4 22.3 Monthly maximum 18.9 (Dec 1973) 22.7 (Dec 1973) 24 hour maximum 10.2 (Dec 1973) 10.9 (Dec 1973) Mean Annual (no, of days) Precipitation 3 0.1 in. 111 112 Snow, steet, hall 1 1.0 in. 8 8 Thunderstorms 49 50 ' Heavy fog (visibility 1/4 m. or less) 21 18 Maximum temperature t 90*F 17 28 Minimum temperature 5 32'F 132 119 The data presented in this table are based upon references (DOC 76a) and (DOC 76b). These statistics are based on periods of record ranging from 17 to 39 years in length. The ranges span, the years 1937 to 1976. 109
4 l B. Climatological Summarv - 1988 Temperatures in Springfield for the months of January, March, April, June, July, August, September, November and December 1988 averaged 'l below normal while February, May and October all j averaged above normal. Over the year, the average i monthly temperature ranged from 22.5'F in February l to 78.5'F in July. The lowest hourly temperature j of the year occurred on February 12 when it I dropped to -14*F. On August 16, 102*r was l recorded, marking the year's highest hourly t temperature. (IPC 88) In Springfield a total of 25.31 (water equivalent) inches of precipitation fell during 1988, which amounts to approximately 8.47 inches celow the ) annual average. Monthly precipitation tucals j ranged from a low of 0.62 inches in June to a high j of 4.37 inches in December. The largest i precipitation event came on December 22 when 2.18 l inches of rain fell. The year's heaviest snowfall occurred February 10 and 11 when 5.9 inches fell. (IPC 88) The onsite meteorological tower obtains information that is valuable in determining plume dispersion by providing differential temperature, wind speed and direction. Table 20 summarizes the seven stability classes, with unstable conditions dispersing a plume more than stable conditions. Table 21 compiles the total hours for different wind speeds for each stability class during 1988, at 10 meters and 60 meters. Fjgures 16 and 17 are wind rose graphs which show predominant wind direction at 10 and 60 meters for the Clinton Power Station. I 110
r_________________._______ _ _ . _ _ _ _ _ _ _ _ l l l t TABLE 20 CLAS$1FICAfiON OF ATMOSPHERIC STABILITY Stability Pasquilt 1 s.d. Temperature change Ctestiffestion Qtecortes (dearees)* with helaht (*C/100m) i E AtrefPA ' / unetabte A 25.0 1.9 Moderately unstable B 20.0 1.9 to 1.7 l Slightly unstable C 15.0 1.7 to 1.5 i Neutral D 10.0 -1.5 to -0.5 Slightly stable E 5.0 0.t. to 1.5 Moderately stable F 2.5 1.5 to 4.0 l l l EAtremely stable G 1.7 4.0 l
- standard deviation of horizontal wind direction over a period of 15 minutes to 1 hour. The values shown are averages for each stability classification.
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TABLE 21 ANNUAL JOINT FREQUENCY DISTRIBUTION OF METEOROLOGICAL PARAMETERS DURING 1988 l STABILITY CLASS A WIND SPEED (MPH) AT 60-wrTER LEVEL DIRECTION 13 4-7 8-12 13-18 19-24 >24 TOTAL N 6.00E 00 4.70E 01 5.70E 01 4.50E 01 1.NE 01 6.00E 00 1.71E 02 NNE 6.00E 00 5.20E 01 4.10E 01 4.00E 01 4.20E 01 2.00E 01 2.01E 02 NE 4.00E 00 2.40E 01 3.50E 01 2.60E 01 1.70E 01 2.60E 01 1.32E 02 ENE 5.00E 00 1.60E 01 3.40E 01 9.00E 00 2.00E 00 2.00E 00 6.80E 01 l E 8.00E 00 1.90E 01 1.60E 01 5.00E 00 9.00E 00 6.00E 00 6.30E 01 ESE 1.20E 01 2.80E 01 2.60E 01 1.60E 01 2.00E 00 2.00E 00 8.60E 01 l SE 1.70E 01 6.10E 01 4.90E 01 2.80E 01 6.00E 00 2.00E 00 1.63E 02 SSE 1.90E 01 5.00E 01 4.50E 01 2.20E 01 1.60E 01 9.00E 00 1.61E 02 5 6.00E 00 7.10E 01 1.10E 02 5.30E 01 2.20E 01 1.70E 01 2.79E 02 l SSW 7.00E 00 1.40E 01 4.10E 01 3.10E 01 3.40E 01 1.50E 01 1.42E 02 l SW 2.00E 00 2.50E 01 1.60E 01 4.00E 01 1.60E 01 4.00E 00 1.03E 02 l WSW 7.00E 00 1.00E 01 1.30E 01 1.70E 01 2.20E 01 6.00E 00 7.50E 01 l W 2.00E 00 2.10E 01 4.20E 01 4.70E 01 4.30E 01 2.90E 01 1.84E 02 l WWW 4.00E 00 1.40E 01 5.80E 01 5.80E 01 5.90E 01 4.60E 01 2.39E 02 NW 5.00E 00 3.90E 01 6.10E 01 4.10E 01 2.80E 01 6.00E 00 1.80E 02 j NNW 9.00E 00 3.20E 01 3.10E 01- 3.40E 01 6.00E 00 0.00E 01 1.12E 02 l TOTAL 1.19E 02 5.23E 02 6.75E 02 5.12E 02 3.34E 02 1.96E 02 2.36E 03 PER1005 0F CALM (HOURS): 3.000E 00 WIND SPEED (MPH) AT 10-METER LEVEL DIRECTION 13 4-7 8-12 13-18 19 24 >24 TOTAL N 6.00E 00 3.70E 01 4.30E 01 2.00E 01 1.00E 00 1.00E 00 1.08E 02 NNE 1.30E 01 5.50E 01 5.00E 01 5.40E 01 1.10E 01 5.00E 00 1.88E 02 l NE 1.50E 01 5.50E 01 4.10E 01 4.50E 01 1.70E 01 1.00E 00 1.74E 02 ENE 1.10E 01 4.00E 01 3.80E 01 6.00E 00 2.00E 00 0.00E 01 9.70E 01 E 5.00E 00 2.80E 01 1.30E 01 8.00E 00 0.00E 01 0.00E 01 5.40E 01 ESE 9.00E 00 3.60E 01 3.30E 01 7.00E 00 0.00E 01 0.00E 01 8.50E 01 SE 1.60E 01 6.80E 01 4.80E 01 1.20E 01 1.00E 00 0.00E 01 1.45E 02 SSE 2.10E 01 6.80E 01 5.10E 01 2.00E 01 5.00E 00 2.00E 00 1.67E 02 S 1.90E 01 8.30E 01 8.10E 01 4.10E 01 3.00E 00 4.00E 00 2.31E 02 SSW 6.00E 00 6.30E 01 8.90E 01 5.50E 01 4.00E 00 1.00E 00 2.18E 02 SW 4.00E 00 1.90E 01 2.90E 01 4.50E 01 6.00E 00 1.00E 00 1.04E 02 WSW 9.00E 00 2.30E 01 1.70E 01 2.80E 01 2.00E 00 4.00E 00 8.30E 01 W 5.00E 00 2.70E 01 3.60E 01 4.50E 01 1.80E 01 7.00E 00 1.38E 02 WNW 6.00E 00 2.30E 01 9.30E 01 9.60E 01 4.60E 01 2.20E 01 2.86E 02 NW 1.50t 01 3.90E 01 6.70E 01 5.60E 01 9.00E 00 6.00E 00 1.92E 02 NNW 8.00E 00 3.30F 01 3.90E 01 3.50E 01 0.00E 01 0.00E 01 1.15E 02 TOTAL 1.68E 02 6.97E 02 7.68E 02 5.73E 02 1.25E 02 5.40E 01 2.39E 03 PERIOOS OF CALM (HOURS): 4.000E 00 112
i l TABLE 21 (Cont'd) STABILITY CLASS B WIND SPEED (MPH) At 60 METER LEVEL OIRECTION 1-3 4-7 8 12 13-18 19-24 >24 TOTAL l N 0.00E 01 2.00E 00 3.00E 00 7.00E 00 3.00E 00 0.00E 01 1.50E 01 j NNE 1.00E 00 1.00E 00 5.00E 00 3.00E 00 5.00E 00 1.00E 00 1.60E 01 NE 1,00E 00 1.00E 00 1.00E 00 4.00E 00 3.00E 00 0.00E 01 1.00E 01 ENE 0.00E 01 0.00E 01 0.00E 01 3.00E 00 1.00E 00 0.00E 01 4.00E 00 ] E 0.00E 01 1.00E 00 3.00E 00 0.00E 01 1.00E 00 1.00E 00 6.00E 00 ) ESE 0.00E 01 1.00E 00 1.00E 00 0.00E 01 0.00E 01 0.00E 01 2.00E 00 SE 0.00E 01 1.00E 00 2.00E 00 5.00E 00 0.00E 01 0.00E 01 8.00E 00 ) SSE 0.00E 01 1.00E 00 0.00E 01 0.00E 01 8.00E 00 0.00E 01 9.00E 00 j 5 0.00E 01 2.00E 00 7.00E 00 4.00E 00 6.00E 00 8.00E 00 2.70E 01 SSW 0.00E 01 2.00E 00 6.00E 00 3.00E 00 2.00E 00 7.00E 00 2.00E 01 l SW 0.00E 01 4.00E 00 6.00E 00 6.00E 00 2.00E 00 0.00E 01 1.80E 01 i WSW 0.00E 01 3.00E 00 1.00E 00 3.00E 06 4.00E 00 2.00E 00 1.30E 01 W 0.00E 01 3.00E 00 2.00E 00 3.00E 00 7.00E 00 2.00E 00 1.70E 01 WWW 0.00E 01 1.00E 00 3.00E 00 5.00E 00 8.00E 00 1.00E 01 2.70E 01 NW 0.00E 01 1.00E 00 2.00E 00 8.00E 00 3.00E 00 0.00E 01 1.40E 01 NNW 0.00E 01 1.00E 00 4.00E 00 4.00E 00 3.00E 00 0.00E 01 1.20E 01 TOTAL 2.00E 00 2.50E 01 4.60E 01 5.80E 01 5.60E 01 3.10E 01 2.18E 02 PER1005 0F CALM (HOURS): 1.000E 00 VIND SPEED (MPH) AT 10 METER LEVEL DIRECTION 1a3 47 8-12 13 18 19-24 >24 TOTAL N 0.00E 01 4.00E 00 6.00E 00 3.00E 00 0.00E 01 0.00E 01 1.30E 01 NNE 2.00E 00 3.00E 00 1.00E 00 5.00E 00 0.00E 01 0.00E 01 1.10E 01 NE 1.00E 00 2.00E 00 7.00E 00 4.00E 00 0.00E 01 0.00E 01 1.40E 01 ENE 1.00E 00 1.00E 00 6.00E 00 0.00E 01 0.00E 01 0.00E 01 8.00E 00 E 0.00E 01 1.00E 00 3.00E 00 1.00E 00 0.00E 01 0.00E 01 5.00E 00 ESE 0.00E 01 2.00E 00 2.00E 00 0.00E 01 0.00E 01 0.00E 01 4.00E 00 SE 0.00E 01 2.00E 00 5.00E 00 5.00E 00 0.00E 01 0.00E 01 1.20E 01 SSE 0.00E 01 0.00E 01 6.00E 00 2.00E 00 0.00E 01 0.00E 01 8.00E 00 S 0.00E 01 3.00E 00 2.00E 00 9.00E 00 2.00E 00 0.00E 01 1.60E 01
$$W 0.00E 01 4.00E 00 8.00E 00 9.00E 00 1.00E 00 4.00E 00 2.60E 01 SW 1.00E 00 5.00E 00 8.00E 00 3.00E 00 0.00E 01 0.00E 01 1.70E 01 WSW 1.00E 00 3.00E 00 4.00E 00 3.00E 00 1.00E 00 0.00E 01 1.20E 01 W 0.00E 01 6.00E 00 1.00E 00 1.10E 01 4.00E 00 1.00E 00 2.30E 01 WNW 0.00E 01 2.00E 00 5.00E 00 8.00E 00 5.00E 00 0.00E 01 2.00E 01 NW 0.00E 01 2.00E 00 2.00E 00 8.00E 00 3.00E 00 2.00E 00 1.70E 01 NNW 0.00E 01 4.00E 00 7.00E 00 4.00E 00 1.00E 00 0.00E 01 1.60E 01 TOTAL 6.00E 00 4.40E 01 7.30E 01 7.50E 01 1.70E 01 7.00E 00 2.22E 02 PERIDOS OF CALM (HOURS): 0.000E 01 113
T ABLE 21 (Cont'd) STA8tLITY CLASS C WIND SPEED (MPH) AT 60-METER LEVEL DIRECTION 13 4-7 8 12 13-18 19-24 >24 TOTAL N 0.00E 01 1.00E 00 2.00E 00 1.00E 01 2.00E 00 0.00E 01 1.50E 01 NNE 0.00E 01 0.00E 01 3.00E 00 2.00E 00 1.00E 00 1.00E 00 7.00E 00 NE 1.00E 00 1.00E 00 3.00E 00 6.00E 00 1.00E 00 2.00E 00 1.40E 01 l ENE 0.00E 01 1.00E 00 1.00E 00 2.00E 00 0.00E 01 0.00E 01 4.00E 00 E 0.00E 01 0.00E 01 0.00E 01 0.00E 01 1.00E 00 0.00E 01 1.00E 00 ESE 1.00E 00 1.00E 00 6.00E 00 2.00E 00 2.00E 00 0.00E 01 1.20E 01 SE 0.00E 01 1.00E 00 4.00E 00 2.00E 00 0.00E 01 0.00E 01 7.00E 00 SSE 0.00E 01 0.00E 01 3.00E 00 3.00E 00 4.00E 00 0.00E 01 1.00E 01 i S 1.00E 00 3.00E 00 8.00E 00 4.00E 00 8.00E 00 2.00E 00 2.60E 01 I SSW 1.00E 00 2.00E 00 7.00E 00 6.00E 00 6.00E 00 6.00E 00 2.80E 01 SW 0.00E 01 6.00E 00 7.00E 00 4.00E 00 4.00E 00 2.00E 00 2.30E 01 l WSW 0.00E 01 3.00E 00 1.00E 00 2.00E 00 9.00E 00 7.00E 00 2.20E 01 W 1.00E 00 0.00E 01 4.00E 00 1.20E 01 9.00E 00 1.40E 01 4.00E 01 WNW 0.00E 01 1.00E 00 4.00E 00 6.00E 00 1.10E 01 9.00E 00 3.10E 01 NW 0.00E 01 0.00E 01 4.00E 00 1.20E 01 5.00E 00 3.00E 00 2.40E 01 NNW 0.00E 01 2.00E 00 6.00E 00 8.00E 00 3.00E 00 0.00E 01 1.90E 01 TOTAL 5.00E 00 2.20E 01 6.30E 01 8.10E 01 6.60E 01 4.60E 01 2.83E 02 PERIODS OF CALM (HOURS): 0.000E 01 WIND SPEED (MPH) AT 10 METER LEVEL DIRECTION 13 4-7 8 12 13-18 19-24 >24 TOTAL N 0.00E 01 2.00E 00 8.00E 00 8.00E 00 1.00E 00 0.00E 01 1.90E 01 NWE 0.00E 01 1.00E 00 3.00E 00 2.00E C0 1.00E 00 0.00E 01 7.00E 00 NE 1.00E 00 2.00E 00 9.00E 00 2.00E 00 0.00E 01 0.00E 01 1.40E 01 ENE 1.00E 00 4.00E 00 0.00E 01 0.00E 01 0.00E 01 0.00E 01 5.00E 00 E 0.00E 01 0.00E 01 4.00E 00 1.00E 00 0.00E 01 0.00E 01 5.00E 00 ESE 1.00E 00 2.00E 00 4.00E 00 0.00E 01 0.00E 01 0.00E 01 7.00E 00 l SE 0.00E 01 5.00E 00 4.00E 00 2.00E 00 0.00E 01 0.00E 01 1.10E 01 SSE 1.00E 00 4.00E 00 0.00E 01 1.00E 00 0.00E 01 0.00E 01 6.00E 00 S 2.00E 00 6.00E 00 6.00E 00 9.00E 00 1.00E 00 1.00E 00 2.50E 01 SSW 1.00E 00 3.00E 00 7.00E 00 6.00E 00 3.00E 00 0.00E 01 2.00E 01 SW 2.00E 00 8.00E 00 1.10E 01 9.00E 00 2.00E 00 0.00E 01 3.20E 01 WSW 2.00E 00 7.00E 00 2.00E 00 8.00E 00 7.00E 00 1.00E 00 2.70E 01 W 0.00E 01 1.00E 00 7.00E 00 1.20E 01 1.10E 01 0.00E 01 3.10E 01 WNW 0.00E 01 1.00E 00 1.00E 01 1.70E 01 9.00E 00 4.00E 00 4.10E 01 NW 0.00E 01 2.00E 00 8.00E 00 1.10E 01 1.00E 00 1.00E 00 2.30E 01 NNW 0.00E 01 2.00E 00 5.00E 00 4.00E 00 0.00E 01 0.00E 01 1.10E 01 TOTAL 1.10E 01 5.00E 01 8.80E 01 9.20E 01 3.60E 01 7.00E 00 2.84E 02 PERIDOS OF CALM (HOURS): 2.000E 00 114
i I i TABLE 21 (Cont'd)
)
STABILITY CLASS D VIND SPEED (MPH) AT 60-METER LEVEL 4 OIRECT!DN 13 4-7 8-12 13 18 19 24 >24 TOTAL 1 N 0.00E 01 1.70E 01 5.80E 01 6.10E 01 1.10E 01. 2.00E 00 1.49E 02-NME 1.00E 00 1.80E 01 3.10E 01 3.50E 01 4.10E 01 2.70E 01 1.53E 02 NE 1.00E 00 4.00E 00 2.70E 01 2.40E 01 '1.10E 01 1.00E 00 6.80E 01. ENE 0.00E 01 4.00E 00 2.10E 01 6.00E 00 1.00E 00 0.00E 01 3.20E 01' E 1.00E 00 5.00E 00 7.00E 00 0.00E 01 0.00E 01 1.00E 00 1.40E 01 ESE 2.00E 00 -4.00E 00 1.20E 01 2.00E 00 0.00E 01 0.00E 01 2.00E 01 SE 2.00E 00 9.00E 00 2.80E 01 2.00E 01 1.10E 01 0.00E 01 7.00E 01 SSE 4.00E 00 6.00E 00 1.90E 01 4.20E 01 1.30E 01 1.20E 01 9.60E 01 S 1.00E 00 1.00E 01 4.90E 01 7.80E 01 4.60E 01 6.30E 01 2.47E 02 SSW 1.00E 00 1.10E 01 5.30E 01 8.80E 01 4.30E 01 3.00E 01 2.26E 02 ; SW 3.00E 00 1.90E 01 2.80E 01 2.40E 01 1.40E 01 5.00E 00 9.30E 01 q WSW 1.00E 00 1.00E 01 2'.30E 01- 2.20E 01 2.20E 01 1.10E 01 8.90E 01 ' W 3.00E 00 5.00E 00 2.40E 01 5.60E 01 6.50E 01- 2.70E 01 ,1.80E 02 WNV 2.00E 00 3.00E 00 2.60E 01 5.90E 01 3.20E 01 3.00E 01 1.58E 02 NW 2.00E 00 8.00E 00 5.70L 01 -5.40E 01 2.40E 01 1.60E 01 1.61E 02 NNW 0.00E 01 1.20E 01 4.70E 01 4.80E 01 2.00E 01 0.00E 01 '1.27E 02 TOTAL 2.40E 01 1.45E 02 5.10E 02 6.19E 02 3.60E 02 2.25E 02 1.88E 03 PERICOS OF CALM (HOURS): 3.000E 00 WIND SPEED (MPH) AT 10-METER LEVEL DIRECTICN 1-3 47 8 12 13 18 19 24 >24 TOTAL N 3.00E 00 4.40E 01 6.70E 01 2.00E 01 3.00E 00 0.00E 01- 1.37E 02 NNE 3.00E 00 3.90E 01 3.50E 01 4.20E 01 7.00E 00 2.00E 00 1.28E 02 NE- 7.00E 00 2.40E 01 4.60E 01 2.50E 01 1.00E 00 0.00E 01 1.03E 02 ENE 1.00E 00 2.60E 01 1.80E 01 0.00E 01 0.00E 01 0.00E 01 4.50E 01 E 2.00E 00 1.20E 01 6.00E 00 1.00E 00 0.00E 01 0.00E 01 2.10E 01 ESE 1.00E 01 1.40E 01 4.00E 00 0.00E 01 0.00E 01 0.00E 01 2.80E 01 ! SE 3.00E 00 2.90E 01 2.20E 01 6.00E 00 0.00E 01 0.00E 01 6.00E 01 SSE 6.00E 00 3.30E 01 4.90E 01 1.30E 01 4.00E 00 1.00E 00 1.06E 02 S 2.00E 00 3.70E 01 7.70E 01 5.30E 01 1.30E 01 1.00E 00 1.83E 02 SSW 2.00E 00 4.10E 01 8.70E 01 7.40E 01 2.00E 01. 1.00E 01 2.34E 02 l SW 5.00E 00 3.30E 01 7.60E 01 2.20E 01 7.00E 00 0.00E 01 1.43E 02 -l WSW 5.00E 00 2.50E 01 2.20E 01 2.60E 01 9.00E 00- 2.00E 00 8.90E 01 W 2.00E 00 2.30E 01 5.30E 01 9.40E 01
]
3.00E 01 3.00E 00 2.05E 02 WWW 4.00E 00 1.90E 01 5.80E 01 5.90E 01 1.80E 01 7.00E 00 1.65E 02 NW 2.00E 00 3.10E 01 6.50E 01 3.80E.01 6.00E 00 6.00E 00 1.48E 02 NWW 1.00E 00 2.60E 01 4.00E 01 1.90E 01 6.00E 00 2.00E 00 9.40E 01 TOTAL 5.80E 01 4.56E 02 7.25E 02 4.92E 02 1.24E 02- 3.40E 01 1.89E 03 PERIOOS OF CALM (HOURS): 7.000E 00 1 115 \ ( l
i TABLE 21 (C&9t'd) STABILITY CLASS E WIND SPEED (MPM) AT 60 , Ei LEVEL DifECTION 1-3 47 8-12 13-18 19 24 >24 TOTAL N 3.00E 00 5.00E 00 3.00E 01 2.20E 01 2.00E 00 1.00E 00 6.30E 01 i NNE 3.00E 00 4.00E 00 1.60E 01 2.10E 01 1.90E 01 8.00E 00 7.'f 0E 01 NE 1.00E 00 4.00E 00 1.00E 01 4.40E 01 6.00E 00 0.00E 01 6.50E 01 ENE 1.00E 00 8.00E 00 1.40E 01 1.70E 01 0.00E 01 0.00E 01 4.00E 01 E 0.00E 01 5.00E 00 1.40E 01 5.00E 00 3.00E 00 0.00E 01 2.70E 01 ESE 0.00E 01 6.00E 00 2.60E 01 8.00E 00 0.00E 01 0.00E 01 4.00E 01 SE 1.00E 00 1.10E 01 3.80E 01 1.50E 01 1.40E 01 0.00E 01 7.90E 01 SSE 3.00E 00 8.00E 00 5.20E 01 4.90E 01 1.70E 01 1.00E 01 1.39E 02 S 2.00E 00 1.50E 01 5.60E 01 1.30E 02 3.10E 01 3.60E 01 2.70E 02 SSW 1.00E 00 1.30E 01 7.20E 01 1.01E 02 5.50E 01 1.50E 01 2.57E 02 SW 0.00E 01 1.60E 01 4.70E 01 7.00E 01 2.70E 01 1.80E 01 1.78E 02 WSW 3.00E 00 9.00E 00 5.00E 01 3.70E 01 1.00E 01 1.20E 01 1.21E 02 W 1.00E 00 5.00E 00 2.50E 01 3.40E 01 1.00E 01 5.00E 00 8.00E 01 WNW 5.00E 00 4.00E 00 2.30E 01 5.10E 01 5,00E 00 0.00E 01 8.80E 01 NW 1.00E 00 1.00E 01 4.40E 01 4.80E 01 7.00E 00 1.30E 01 1.23E 02 NNW 2.00E 00 8.00E 00 3.70E 01 5,10E 01 1.00E 01 0.00E 01 1.08E 02 TOTAL 2.70E 01 1.31E 02 5.54E 02 7.03E 02 2.16E 02 1.18E 02 1.75E 03 PERIDOS OF CALM (HOURS): 1.000E 00 WIND SPEED (MPH) AT 10-METER LEVEL Q1Rg;Tf0N 1-3 4-7 8-12 13 18 19 24 >24 TOTAL ,,, N 7.00E 00 3.80E 01 2.80E 01 1.30E 01 1.00E 00 0.00E 01 8.70E 01 NNE 4.00E 00 2.30E 01 7.00E 00 1.20E 01 0.00E 01 0.00E 01 4.60E 01 l NE 6.00E 00 3.20E 01 2.00E 01 6.00E 00 0.00E 01 0.00E 01 6.40E 01 ENE 6.00E 00 2.80E 01 2.20E 01 1.00E 00 0.00E 01 0.00E 01 5.70E 01 E 7.00E 00 1.60E 01 1.70E 01 1.00E 00 0.00E 01 0.00E 01 4.10E 01 l ESE 1.10E 01 4.10E 01 2.00E 00 0.00E 01 0.00E 01 0.00E 01 5.40E 01 SE 1.10E 01 4.60E 01 3.20E 01 1.00E 00 0.00E 01 0.00E 01 9.00E 01 SSE 1.10E 01 6.50E 01 5.10E 01 6.00E 00 0.00E 01 0.00E 01 1.33E 02 l S 1.70E 01 8.80E 01 6.90E 01 2.20E 01 5.00E 00 2.00E 00 2.03E 02 SSW 1.40E 01 8.60E 01 1.17E 02 4.80E 01 8.00E 00 2.00E 00 2.75E 02 l SW 1.50E 01 6.20E 01 8.30E 01 2.50E 01 5.00E 00 1.00E 00 1.91E 02 WSW 8.00E 00 3.70E 01 6.40E 01 9.00E 00 4.00E 00 3.00E 00 1.25E 02 W 8.00E 00 3.00E 01 6.30E 01 1.60E 01 4.00E 00 7.00E 00 1.28E 02 WNW 4.00E 00 4.10E 01 5.80E 01 4.00E 00 0.00E 01 0.00E 01 1.07E 02 NW 9.00E 00 3.80E 01 3.30E 01 9.00E 00 1.00E 00 1.00E 00 9.10E 01 NNW 6.00E 00 2.60E 01 2.50E 01 1.50E 01 1.00E 00 9.00E 00 8.20E 01 TOTAL 1.44E 02 6.97E 02 6.91E 02 1.88E 02 2.90E 01 2.50E 01 1.77E 03 PERIODS OF CALM (HOURS): 1.000E 00 116 '
l TABLE 21 (Cont'd) i i STABILITY CLASS F l WIND SPEED (MPH) AT 60 METER LEVEL OfRECTION 1-3 4+7 8 12 13 18 19-24 >24 TOTAL N 0.00E 01 9.00E 00 1.90E 01 7.00E 00 1.00E 00 0.00E 01 3.60E 01 NNE 6.00E 00 2.00E 00 1.40E 01 3.60E 01 3.00E 00 0.00E 01 6.10E 01 NE 4.00E 00 4.00E 00 9.00E 00 2.50E 01 5.00E 00 0.00E 01 4.70E 01 l ENE 1.00E 00 1.20E 01 1.80E 01 2.60E 01 1.60E 01 1.00E 00 7.40E 01 I E 1.00E 00 9.00E 00 1.30E 01 1.40E 01 4.00E 00 5.00E 00 4.60E 01 ESE 3.00E 00 6.00E 00 2.00E 01 4.00E 00 0.00E 01 L 00E 01 3.30E 01 SE 5.00E 00 6.00E 00 2.10E 01 7.00E 00 0.00E 01 0.00E 01 3.90E 01 SSE 2.00E 00 7.00E 00 2.30E 01 1.50E 01 0.00E 01 0.00E 01 4.70E 01 S 3.00E 00 1.20E 01 3.60E 01 6.70E 01 3.00E 00 0.00E 01 0.21E 02 l SSW 1.00E 00 3.00E 00 2.30E 01 6.70E 01 1.30E 01 2.00E 00 1.09E 02 l SW 1.00E 00 5.00E 00 3.30E 01 6.90E 01 8.00E 00 1.30E 01 1.29E 02 i WSW 2.00E 00 5.00E 00 3.00E 01 4.20E 01 2.20E 01 8.00E 00 1.09E 02 W 2.00E 00 4.00E 00 1.90E 01 1.30E 01 3.00E 00 2.00E 00 4.30E 01 3 WNW 0.00E 01 4.00E 00 2.20E 01 1.10E 01 2.00E 00 2.00E 00 4.10E 01 { NW 2.00E 00 6.00E 00 2.80E 01 8.00E 00 2.00E 00 0.00E 01 4.60E 01 l NWW 2.00E 00 4.00E 00 1.90E 01 2.50E 01 0.00E 01 0.00E 01 5.00E 01 ] TOTAL 3.50E 01 9.80E 01 3.47E 02 4.36E 02 8.20E 01 3.30E 01 1.03E 03 I PERIOOS OF CALM (HOURS): 1.000E 00 WIND SPEED (MPH) AT 10-METER LEVEL DIRECTION 13 4-7 8 12 13-18 19 24 >24 TOTAL N 7.00E 00 2.10E 01 3.00E 00 1.00E 00 0.00E 01 0.00E 01 3.20E 01 NNE 1.40E 01 3.20E 01 3.00E 00 0.00E 01 0.00E 01 0.00E 01 4.90E 01 I NE 1.00E 01 3.50E 01 3.00E 00 0.00E 01 0.00E 01 0.00E 01 4.80E 01 ENE 1.40E 01 2.60E 01 1.00E 01 1.50E 01 0.00E 01 0.00E 01 6.50E 01 E 1.50E 01 2.20E 01 2.70E 01 3.00E 00 0.00E 01 0.00E 01 6.70E 01 ESE 1.60E 01 1.80E 01 1.00E 00 0.00E 01 0.00E 01 0.00E 01 3.50E 01 SE 1.30E 01 2.80E 01 1.00E 00 0.00E 01 0.00E 01 0.00E 01 4.20E 01 SSE 1.20E 01 4.00E 01 5.00E 00 1.00E 00 0.00E 01 0.00E 01 5.80E 01 S 1.10E 01 6.10E 01 1.20E 01 3.00E 00 0.00E 01 0.00E 01 8.70E 01 SSW 1.00E 01 7.10E 01 3.10E 01 2.00E 00 0.00E 01 0.00E 01 1.14E 02 SW 1.10E 01 6.50E 01 3.20E 01 1.20E 01 5.00E 00 0.00E 01 1.25E 02 WSW 1.10E 01 3.90E 01 4.40E 01 1.70E 01 1.30E 01 2.00E 00 1.26E 02 W 4.00E 00 2.10E 01 1.60E 01 1.40E 01 3.00E 00 1.00E 00 5.90E 01 WNW 1.20E 01 2.70E 01 2.00E 00 0.00E 01 0.00E 01 1.00E 00 4.20E 01 NW 1.20E 01 3.50E 01 4.00E 00 0.00E 01 1.00E 00 1.00E 00 5.30E 01 NWW 1.10E 01 1.90E 01 1.60E 01 1.00E 00 0.00E 01 0.00E 01 4.70E 01 TOTAL 1.83E 02 5.60E 02 2.10E 02 6.90E 01 2.20E 01 5.00E 00 1.05E 03 PERIOOS OF CALM (HOURS): 6.000E 00 117
TABLE 21 (Cont'd) STA8tttfY CLASS G WIND SPEED (MPH) AT 60-METER LEVEL DIRECTION 1-3 47 8-12 13 18 19-24 >24 TOTAL N 0.00E 01 7.00E 00 1.80E 01 5.00E 00 0.00E 01 0.00E 01 3.00E 01 NNE 3.00E 00 1.50E 01 9.00E 00 4.00E 00 0.00E 01 0.00E 01 3.10E 01 , NE 1.00E 00 1.40E 01 1.70E 01 2.30E 01 2.00E 00 0.00E 01 5.70E 01 f ENE 3.00E 00 5.00E 00 2.90E 01 6.60E 01 5.00E 00 0.00E 01 1.08E 02 E 1.00E 00 1.20E 01 2.80E 01 4.70E 01 1.20E 01 2.00E 00 1.02E 02 ESE 5.00E 00 1.40E 01 1.10E 01 1.00E 01 8.00E 00 1.00E 00 4.90E 01 SE 8.00E 00 1.90E 01 1.30E 01 0.00E 01 0.00E 01 0.00E 01 4.00E 01 SSE 1.00E 00 9.00E 00 1.80E 01 4.00E 00 0.00E 01 0.00E 01 3.20E 01
$ 3.00E 00 7.00E 00 1.10E 01 .7.00E 00 0.00E 01 0.00E 01 2.80E 01 SSW 0.00E 01 3.00E 00 1.50E 01 3.10E 01 1.00E 00 0.00E 01 5.00E 01 SW 1.00E 00 2.00E 00 2.40E 01 6.80E 01 7.00E 00 3.00E 00 1.05E 02 WSW 0.00E 01 3.00E 00 3.60E 01 3.20E 01 1.00E 01 9.00E 00 9.00E 01 W 1.00E 00 5.00E 00 3.80E 01 1.00E 01 0.00E 01 1.00E 00 5.50E 01 WNW 1.00E 00 2.00E 00 1.30E 01 6.0]E 01 0.00E 01 3.00E 00 2.50E 01 WW 0.00E 01 7.00E 00 9.00E 00 1.50E 01 0.00E 01 1.00E 00 3.20E 01 j NNW 1.00E 00 7.00E 00 1.30E 01 1.20E 01 0.00E 01 1.00E 00 3.40E 01 l l TOTAL 2.90E 01 1.31E 02 3.02E 02 3.40E 02 4.50E 01 2.10E 01 8.68E 02 {
1 l PERIODS OF CALM (HOURS): 0.000E'01 , HOURS OF C000 DATA : 8.400E 03 = 95.6% OF TOTAL HOURS WIND SPEED AT 10 METER LEVEL DIRECTION 1-3 47 8-12 13 18 19 24 >24 TOTAL N 1.30E 01 1.00E 00 1.00E 00 0.00E 01 0.00E 01 0.00E 01 1.50E 01 kWE 1.40E 01 1.70E 01 0.00E 01 0.00E 01 0.00E 01 0.00E 01 3.10E 01 NE 3.10E 01 6.10E 01 0.00E 01 0.00E 01 0.00E 01 0.00E 01 9.20E 01 q ENE 2.80E 01 5.20E 01 1.90E 01 2.00E 00 0.00E 01 0.00E 01 1.01E 02 E 2.30E 01 4.30E 01 2.30E 01 0.00E 01 0.00E 01 0.00E 01 8.90E 01 ESE 3.00E 01 1.80E 01 0.00E 01 0.00E 01 0.00E 01 0.00E 01 4.80E 01 j SE 1.30E 01 6.00E 00 1.00E 00 0.00E 01 0.00E 01 0.00E 01 2.00E 01 1 SSE 1.10E 01 1.40E 01 0.00E 01 0.00E 01 0.00E 01 0.00E 01 2.50E 01 l S 5.00E 00 1.50E 01 1.00E 00 0.00E 01 0.00E 01 0.00E 01 2.10E 01 l SSW 1.00E 01 2.50E 01 2.00E 00 0.00E 01 0.00E 01 0.00E 01 3.70E 01 SW 1.50E 01 5.80E 01 1.10E 01 2.00E 00 0.00E 01 0.00E 01 8.60E 01 WSW 2.20E 01 3.60E 01 3.50E 01 2.20E 01 1.10E 01 0.00E 01 1.26E 02 W 2.30E 01 2.50E 01 2.00E 00 2.00E 00 0.00E 01 0.00E 01 5.20E 01 WNW 2.50E 01 1.50E 01 0.00E 01 0.00E 01 2.00E 00 0.00E 01 4.20E 01 ; NW 1.50E 01 3.20E 01 8.00E 00 1.00E 00 0.00E 01 0.00E 01 5.60E 01
- l NNW 2.20E 01 9.00E 00 1.00E 00 0.00E 01 0.00E 01 0.00E 01 3.20E 01 l TOTAL 3.00E 02 4.27E 02 1.04E 02 2.90E 01 1.30E 01 0.00E 01 8.73E 02 i l
4 PERICO OF CALM (HOURS): 1.500E 01 l HOURS OF G000 DATA : 8.511E 03 = 96.9% OF TOTAL HOURS j I 118 i
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N 4.8% NNW NNE 4.7% 5.5% 1 i NW NE l 6.8% 6.0% j I i WNW ENE 8.3% 4.4%
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SW SE y 8.1% E 4.5% WIND SPEED KEY SSW SSE 10.7% 5.8% >24 MPH 8.9% 19-24 MPH 13-18 MPH 8~'EHPH FIGURE 16: 1988 ANNUAL CLINTON POWER STATION 10-METER WIND ROSE 4-7 MPH 119 7j l-3 MPH I I ILLINOIS POWER l 1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ . _ _ _ _ _ _ _ _ . . _ __. __ _ _ ______ _ __ _ 2 " 2 3 ' 8 9 M 09323
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SW = SE I 7.6% :: - 4.8% i WIND SPEED KEY
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5.9% >24 MPH , Ii 9% h I9-24 MPH 13-l8 MPH FIGURE 17: 1988 ANNUAL CLINTON POWER STATION GO-METER WIND ROSE h 8~I2 MPH 4-7 MPH I h I-3 MPH. ILLINOIS POWER 2-23-89 M 02323 1
r o i VI. LISTOF REFERENCES I
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121 1
VI. LIST OF REFERENCES ANSI 75 American National Standards Institute, Inc., " Performance, Testing and Procedural Specifications for Thermoluminescent Dosimetry," ANSI N545-1975. ASTM 75 American Society for Testing and Materials, " Standard Recommended Practice for Dealing with Outlying Observations," ASTM E178-75. I BR66 "Airmass, Streamlines and the Bored Forest," A. Bryson, Technical Report No. 24, University of Wisconsin; Department of Meteorology: Madison, Wisconsin, 1966. CFR Code of Federal Regulations, Title 10, l Part 20 (Nuclear Regulatory Commission). CL88a CPS Semiannual Radioactive Effluent Release Report January 1, 1988 - June 30, 1988. CL88b CPS Semiannual Radioactive Effluent Release Report July 1, 1988 - December 31, 1988. DOC 76a " Local Climatological Data, Annual Summary with Comparative Data, Peoria, Illinois, 1976," U.S. Department of Commerce, NOAA, Asheville, North Carolina. DOC 76b " Local Climatological Data, Annual Summary with Comparative Data, Springfield, Illinois, 1976," U.S. Department of Commerce, NOAA, Asheville, North Carolina. i EIB7 " Environmental Radioactivity," M. Eisenbud, 1987. l EPA 72 " Natural Radon Exposure in the United States," Donald T. Oakley, U.S. Environmental Protection Agency. ORP/SID 72-1, June 1972.
i i FRC60 Federal Radiation Council Report No. 1, l
" Background Material for the Development l of Radiation Protection Standards," May j 13, 1960.
ICRP77 International Commission on Radiological Protection, Publication 2, " Report of Committee II on Permissible Dose for l Internal Radiation," (1959) with 1962 Supplement issued in ICRP Publication 6; Publication 9, " Recommendations on Radiation Exposure," (1965); ICRP 1 Publication 7 (1965), amplifying specific recommendations of Publication 26 (1977). j i ICRP84 International Commission on Radiation l Protection, Publication No. 39 (1984), '
" Principles of Limiting Exposure to the Public to Natural Sources of Radiation." ,
i IPC88 Illinois Power Company, North Decatur i Dispatch Office, 1988. KA84 " Radioactivity in the Environment: Sources, Distribution and Surveillance," Ronald L. Kathren, 1984. NCRP59 National Council'on Radiation Protection and Measurements, Report No. 22,
" Maximum Permissible Body Burdens and Maximum Permissible Concentrations of Radionuclides in Air and Water for occupational Exposure," (Published as National Bureau of Standards Handbook 69, issued June 1959, superseding l Handbook 52).
NCRP71 National Council on Radiation Protection and Measurements, Report No. 39, " Basic Radiation Protection Criteria," January 1971. NCRP75 National Council on Radiation Protection and Measurements, Report No. 44,
" Krypton-85 in the Atmosphere -
Accumulation, Biological Significance, and Control Technology," July 1975. NCRP87a National Council on Radiation Protection and Measurements, Report No. 91,
" Recommendations on Limits for Exposure to Ionizing Radiation," June 1987.
123
NCRP87b National Council on Radiation Protection and Measurements, Report No. 93,
" Ionizing Radiation Exposure of the Population of the United States,"
September 1987. NR80 National Research Council, 1980, Committee on Biological Effects of Ionizing Radiations, Division of Medical Services, "The Effects of Populations of Exposure to Low Levels of Ionizing Radiation: 1980." NRC74 United States Nuclear Regulatory i Commission, Regulatory Guide 5.36,
" Recommended Practice for Dealing with Outlying Observations," June 1974.
- NRC75 United States Nuclear Regulatory
) Commission, Regulatory Guide 4.1,
" Programs for Monitoring Radioactivity in the Environs of Nuclear Power Plants," Revision 1, April 1975.
NRC77a United States Nuclear Regulatory Commission, Regulatory Guide 4.13,
" Performance, Testing and Procedural Specifications for Thermoluminescence Dosimetry: Environmental Applications,"
Revision 1, July 1977. NRC77b United States Nuclear Regulatory Commission, Regulatory Guide 1.109,
" Calculation of Annual Dose to Man from Routine Releases of Reactor Effluents for the Purpose of Evaluating Compliance with 10CFR Part 50, Appendix I,"
Revision 1, October 1977. NRC79a United States Nuclear Regulatory Commission Branch Technical Poni* ion, "An Acceptable Radiological i Environmental Monitoring Program," Revision 1, Novenber 1979. l l NRC79b United States Nuclear Regulatory Commission , Regulatory Guide 4.15,
" Quality Assurance for Radiological Monitoring Programs (Norm Operations) -
Effluent Streams and the Environment," Revision 1, February 1979. 124
i NUREG86 Technical' Specification, Clinton Power Station, Unit No. 1,-Docket'No. 50-461, Office of' Nuclear Reactor Regulation, 1986. NWS87 National Weather Service, Springfield, Illinois, 1987. TE88 Quality Control Procedures Manual, Revision 10, December 1988; Teledyne: Isotopes Midwest Laboratory (Northbrook, , Illinois). J i TEPM Analytical Procedures Manual, Teledyne ! Isotopes Midwest Laboratory (Northbrook, .! Illinois). 60062-4197. l USAR Illinois Power,-Clinton Power Station, Updated Safety Analysis Report, Revision 0, October 1988. I l l 1 1 i 125 o
1 1 l 1 1 j
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i j 1 Vll. APPENDICES ,
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i VII. APPENDICES A. Exceptions to the REMP During 1988 B. REMP Sample Collection and Analysis Methods C. Glossary D. CPS Radiological Environmental Monitoring Results During 1988 l l i l 127
l l 1 APPENDIX A { l Exceptions to the REMP During 1988 i I 9 128
Data from the radiological: analysis of environmental samples are routinely reviewed and evaluated by the Clinton Power Station Radiological Environmental Group. The data are checked for LLD violations, anomalous values, quality control sample agreement, and any positive results which are inconsistent with expected results or which exceed any Technical Specification reporting levels. Table A-1 lists the reporting levels required by the Clinton Power Station Technical Specifications. If an inconsistent result occurs, an investigation is initiated which may consist of some of the following actions: Examine the collection data sheets for any indication of collection or delivery errors, tampering, vandalism and equipment calibration or malfunction Perform statistical tests Examine previous data for trends Review other results from same sample media and different sample media Review control station data Review quality control or duplicate sample data Review CPS effluent reports Recount and/or reanalyze the sample Collect additional samples as necessary The results of any investigation are documented in this report. During 1988, no investigations were performed as a result of reaching any Technical Specification reporting level. Five LLD violations occurred during 1988 and are documented in Table A-2 of this appendix. Table A-3 lists the LLDr required by the Clinton Power Station Technical Specifications. Other sampling and analyses exceptions are listed in Table A-4 of this appendix. Investigations of anomalous data obtained during 1988 are documented below. During the routine review of the first quarter TLD results, several anomalous high TLD readings were noted. Investigation revealed that these anomalous TLD results were probably attributable to either radiation received during transit to the laboratory or to laboratory processing errors. Based upon the investigation, it was concluded that the TLD readings at CL-37, CL-52, CL-66, CL-80 and CL-112 were unreliable measurements and. treated as missing samples. 129
To prevent reoccurrence several enhancements were made to the REMP regarding TLD processing and shipping: 1) placing tamper detection devices on the TLD holders, 2) modifying ' the shipping and receipt procedures to reduce.the possibility of irradiation in transit, and 3) increasing the-ability to recognize these problems as they occur. During the routine review of_the-second quarter TLD results, i one anomalous high TLD reading at station CL-3 was noted. Based upon the investigation, it was concluded that.the'TLD repding at CL-3 was an unreliable measurement and treated as a missing sample. . No further investigation or actions were required. 4 .During the routine review of the third quarter TLD results, one anomalous-high TLD reading at station CL-79 was noted. j Based upon the investigation, it was concluded that the TLD i reading at CL-79 was an unreliable measurement and treated I as a missing sample. No further investigation or actions were required. l 1 1 130
TABLE A 1 CPS REMP #EPORTING LEVELS FOR POSITIVE RADICACTIV!TY CONCENTRATIONS IN ENVIRONMENTAL SAMPLESta) Water Airborne Particulate Fish Milk Food Products Analysis (pCl/l) or Cases (pCf/m ) (pCi/kg, wet) (pCl/L) (pCi/kg, wet) H3 20,000* -= =*= ==- -** Mn-54 1,000 -- 30,000 - -- Fe 59 400 -- 10,000 -- - Co-58 1,000 --- 30,000 - - Co-60 300 -- 10,000 - --- 2n 65 300 - 20,000 -- --- Zr/Nb 95 400# -- --- --- - 1-131 2** 0.9 -- l l 3 100 l l Cs 134 30 10 1,000 60 1,000 Cs 137 50 20 2,000 70 2,000 Ba/La-140 200# - - 300 -- I For drinking water samples. This is the 40 CFR Part 141 value. If no drinking water pathway exists, 6 value of 30,000 pCl/l may be used. l If no drinking water pathway exists, a value of 20 pCf/t may be used.
# Total for parent and daughter.
(a) This list does not mean these nuclides are the only ones considered. Other nuclides identified are also analyzed and reported when applicable. 1 i 131 _ _ _ _ _ _ _ _ _ _ - - _ _ ~
i l f TABLE A-2 ANALYTicAt RESULTS uMICH FAltE0 TO MEET tHE REQUIRED LLD DURfWG 1988 l Date Samole Medium Analysis Recuired LLD obtained LLD tocation(a, 1/13/88 AP Gross Beta 0.01 pci/m3 3.5 pci/m CL 3(1) 1/13/88 Al I 131 0.07 pci/m3 26.8 pcl/m3 CL-3(1) 3/30/88 Al I 131 0.07 pci/m3 0.5 pci/m 3 CL 7(2) 5/11/88 Milk 1 131 1.0 pci/m3 2.8 pcl/m3 CL-116(3) 5/18/88 AI I 131 0.07 pci/m3 0.26 pcl/m3 CL-6(4) I (a) Refer to Table 4 for location description. 1 (1) Required volune was not obtained causing the required LLD to be unattainable. This was due to f ailure of the electrical power supply for the air sanpler. l (2) Required volume was not obtained causing the required LLD to be unattainable. This was due to a phase fault in the electrical power supply for the air sampler. (3) Delays in sample analysis caused the required LLD to be unattainable. This was due to the analytical laboratory relocating. (4) Required volume was not obtained causing the required LLD to be unattainable. ' This was due to a blown fuse in the electrical power supply for the air sampler. l l l 132
IAB1F 1 Q{TECTION CAPABILITIES FOR ENVIRONMENTAL SAMPLE ANALYSISta)(b) LOWER LIMIT OF DETECTION (LLD) Airborne Water Particulate Fish Milk Food products Sediment Analysis (pci/l) or Gas (pcl/m ) (pci/kg, wet) (pCf/kg, wet) (pci/l) (pci/kg, dry) Gross Beta 4 0.01 - --- --- --* H-3 2,000* -- - --- --- -- Mn 54 15 - 130 --- - -- Fe-59 30 - 260 --- - - Co-58,60 15 - 130 -- --- -- 2n-65 30 - 260 -- --- --- 2r 95 30 == ~-- -- --- --- Nb-95 15' - - --- - '- 1-131 1** 0.07 - 1 60 -- Cs 134 15 0.05 130 15 60 150 Cs-137 18 0.06 150 18 80 180 Ba 140 60 --- -- 60 -- --- La 140 15 - -- 15 --- --- Table Notations If no drinking water pathway exists, a value of 3,000 pcl/l may be used. If no drinking water pathway exists, a value of 15 pCi/l may be used. (a) This list does not mean that only these nuclides are to be considered. Other peaks that are identifiable, together with those of the above nuclides, shall also be analyzed and reported. (b) Required detection capabilities for TLDs used for environmental measurements shall be in accordance with the reconinendetions of Regulatory Guide 4.13, Revision 1, July 1977. 133
TABLE A-4 SAMPLING AND ANALYSIS EYCEPTIONS FOR 1988
- 1. December 30, 1987, to January 6, 1988 The air sample pump at location CL-4 failed after 157.6 hours of operation. The air sampler was assumed to be in operation at 1.5" Hg and at 60 scfh for volume calculations. The pump failure was due to a mechanical seizure. The air sample pump was replaced and normal operations resumed.
- 2. January 6, 1988, to January 27, 1988 Charcoal cartridges normally used for air iodine sampling were replaced during this time period due to inadequate supply in stores. Correct charcoal cartridges were installed upon receipt. Ordering )
quantities were adjusted to prevent recurrence. j I
- 3. January 6, 1988, to January 15, 1988 The air sampler at location CL-3 was found inoperable on January 13, 1988. The elapsed timer indicated 0.2 hours of operation. It was assumed the air sampler operated at 1.7" Hg and at 60 scfh for the volume calculations. Inoperability was due to failure of the electrical power supply to the air sampler. The power supply was repaired and normal operations resumed. i 1
- 4. January 13, 1988, to January 18, 1988 I The composite water sampler at location CL-92 was found inoperable. Daily grab samples were initiated during the period of inoperability. Inoperability was due to the electrical extension cord, suction tubing and suction strainer missing. The missing components were replaced and normal operation resumed.
- 5. January 27, 1988, February 24, 1988, and March 30, 1988 Grass samples collected at locations CL-1, CL-2, CL-8 and CL-11 were not fresh green grass. Samples of dry, dead grass were obtained. Dead grass was due to normal winter weather conditions. (Note 1) l 6. January 27, 1988 l
Surface water sample obtained at location CL-92 was a composite of 6 daily grab samples and 22 days of hourly composite samples taken by the composite water sampler. 134
TABLE A-4 (Cont'd) l
- 7. March 23, 1988, to March 30, 1988 The air sampler at location CL-7 was found inoperable on March 30, 1988. The elapsed timer indicated 14.7 hours of operation. It was assumed the air sampler operated at 1.3" Hg and at 60 scfh for volume calculations. Inoperability was due to a failure in a phase supplying electrical power to the air sampler.
The air sampler was rewired to the spare phase and normal operation resumed.
- 8. March 29, 1988 The TLD at location CL-48 was not found. This was probably due to vandalism of the cage which held the TLD in place. The TLD was relocated to prevent recurrence. The calculated dose for the quarter at CL-48 is 17.4 mR. (Note 2)
- 9. March 30, 1988, to April 6, 1988 The air sample shelter at CL-4 was found tipped on its side. The air sampler was still running and no apparent damage to the air sampler or shelter was noted. This event was due to severe thunderstorms, rain and high winds on April 5 and 6, 1988. A review of the sample results appear to be reliable and were considered in calculation of monthly, quarterly and annual averages.
A difference between the elapsed timer reading and actual time existed at locations CL-1 (2.0 hours), CL-2 (0.1 hours), CL-3 (0.2 hours), CL-7 (0.1 hours) and CL-94 (0.6 hours). Elapsed time was used for volume calculation and was assumed to accurately record sampler run hours. The difference was due to power outages in the area as a result of severe thunderstorms, rain and high winds.
- 135
i l l TABLE'A-4 (Cont'd) l I J
- 9. March 30, 1988, to April'6, 1988-(cont'd)
Air sample filters and charcoal cartridges were-found' wet at locations.CL-3, CL-8, CL-11 and CL-94.- The filters and charcoal cartridges were wet due to severe thunderstorms, rain and high winds on April 5 and-6, 1988. Sample results at these locations were. disregarded.as unreliable._ The air samplers were j checked for internal moisture. CL-8, CL-11 and CL-94 1 l
'were found in satisfactory condition and returned to~ !
normal operation. The air sampler at CL-3 was found
- full of water. The unit was replaced and normal operation resumed.
- 10. April 6, 1988, to April 13, 1988 A difference between the_ elapsed timer reading and actual time was noted at location CL-94.(1.8 hours).
Elapsed time was used for volume calculations. The difference was due to a bad timer and the timer was D replaced on April 20, 1988.
- 11. April 13, 1988, to April 20, 1988 A difference between the elapsed timer reading and actual time was noted at locations CL-4 (1.2 hours) and CL-6 (1.0 hours). Elapsed time-was used for volume calculations. The difference was due to an electrical power outage at location CL-4-and a bad timer at location CL-6. The timer at location CL-6 was replaced on May 5, 1988.
- 12. April 20, 1998 to April 27, 1988 -
A difference between the elapsed timer. reading and-l actual time was noted at locations CL-3 (1.0' hours), l CL-4 (3.7 hours) and CL-6 (15.7 hours). Elapsed time was used for volume calculatichs. The difference was due to an electrical power outage at locations CL-3 and CL-4 and a bad timer at location CL-6. The timer at location CL-6 was replaced on May 5, 1988. 136
TABLE A-4 (Cont'd) { l
- 13. April 28, 1988 Water samples from locations CL-7 and CL-12 (Treated) arrived at the analytical laboratory with illegible identification markings on the sample containers. The samples were identified by the color of the sample (CL- 1 7 is normally clear in color and CL-12 (Treated) is l normally a brown rusty color). The samples were j analyzed based on this identification and the results '
were determined to be reliable. The problem was due to overpacking the shipping container causing one of the samples to leak. To prevent recurrence, the warehouse personnel have been instructed to ship samples in smaller, sturdier containers. l
- 14. April 27, 1988, to May 4, 1988 i 1
The elapsed timer at location CL-6 failed. The timer was replaced on May 5, 1988. Actual time was used for volume calculations and continuous operation of the air j sampler was assumed.
- 15. May 9, 1988 Air sample location CL-8 was found with a blown fuse.
The reason was due to severe thunderstorms causing power outages over the previous weekend. The air sampler was inoperable for a period of 28 hours. The fuse was replaced and normal operation resumed.
- 16. May 4, 1988, to May 11, 1988 A difference between the elapsed timer reading and actual time existed at locations CL-94 (3.5 hours) and CL-8 (28 hours, see previous entry for explar;ation) .
Elapsed time was used for volume calculation. The difference was caused by an electrical power outage due
- to severe thunderstorms.
l l 17. May 11, 1988, to May 18, 1988 Air sample location CL-6 was found with a blown fuse. An elapsed time of 25.3 hours was recorded. It was assumed the air sampler operated at 1.6" Hg and at 60 scfh for volume calculations. The fuse was replaced and ncrmal operation resumed. l 137
1 TABLE A-4 (Cont'd)
- 18. May 18, 1988 Analysis of the milk sample from-location CL-116 was delayed causing the required ICD to. be unachievable.
This delay was due to the analytical laboratory moving to a new location. To prevent recurrence of this I problem, the analytical laboratory was instructed to ! provide notification of problems causing counting 1 delays and to make additional provisions to prevent delays.
- 19. May 25, 1988, to June 1, 1988 {
I Air sample location CL-11 was found with a blown _ fuse. An elapsed time of 127.0 hours was recorded. It was assumed the air sampler operated at 1.0" Hg and at 60-scfh for volume calculations. The' fuse was replaced and normal operation resumed.
- 20. June 9, 1988 The composite water sampler at location CL-92 was found inoperable. The problem was related to the suction tubing and strainer being incapable of obtaining a suction. Daily grab samples commenced. The' suction tubing and strainer were replaced on August 1, 1988, l and normal operation resumed. The inability to obtain-a suction was due to the location of the sampler. The.
sampler was moved a few feet to obtain.the sample downstream of the circulating water pump vice upstream of the pumps.
- 21. June 15, 1988 The composite water sampler at location CL-91 was found inoperable. The problem was due to a break in the !
suction tubing. The suction tubing was replaced on June 16' 1988, and normal operation resumed. 138 ;
i l TABLE A-4 (Cont'd) i
- 22. June 28, 1988 TLD at location CL-35 was not found and TLD at location !
CL-20 was found on the ground. The missing TLD at I CL-35 was due to vandalism of the cage which held the TLD in place. (Note 2) The calculated dose for the quarter at CL-35 is 17.1 mR. A-theft-proof cage was installed to. prevent further occurrences. The TLD found on'the ground at CL-20 was due to broken plastic. i tywraps holding the TLD cage in place. The plastic ! tywraps were replaced with metal lockwire. Evaluation j of the data at location CL-20 indicated the data was - reliable and consistent with previcus data.
- 23. June 29, 1988 and July.27, 1988 The surface water sample obtained at CL-92 was a
~
composite of daily grab samples vice samples obtained
.with the water sampler. This was due to the sampler i being inoperable. j
- 24. June 29, 1988 and July 27, 1988 Unable to obtain the lettuce sample at location CL-115.
This was due to insufficient growth of the lettuce resulting from the drought conditions in the' area. I
- 25. July 6, 1988, July 20, 1988, and August.3, 1988 I Grass samples collected at locations CL-1, CL-2, CL-8 and CL-11 were partially fresh green grass; samples contained dry dead grass. This was due to drought ;
conditions in the area. (Note 1)
- 26. August 10, ".388 The composite water sampler at location CL-91 was found inoperable. Daily grab samples were initiated during the period of inoperability. Inoperability was due to drought conditions in the area causing the lake level to decrease below the suction of the sampler.. An '
extension to the sample line was added on August 23, i 1988, and normal operation resumed. The composite water sampler at location CL-92 was found I inoperable. Daily grab samples were initiated during the period of inoperability. Inoperability was due to a loss of electrical power that supplied the sampler. Electrical power was restored on August 12, 1988, and normal operation resumed. - - 139
TABLE A-4 (Cont 8d)
- 27. August 31, 1988 Unable to obtain lettuce samples at locations CL-114 and CL-115. Samples were not obtained.due to the lettuce dying resulting from the drought conditions in-the area. The lettuce at location CL-117 did not form heads; the lettuce went to seed and no leaves were present.
- 28. August 31, 1988 l Surface water sample obtained at location CL-91 was a composite of 13 daily, grab samples and 18 days'of hourly composite samples taken by the composite water sampler.
Surface water sample-obtained at location CL-92 was a composite of 3 daily grab samples and 28 days of hourly composite samples taken by the composite water sampler.
- 29. September 7, 1988 The composite water samnler at location CL-91 was found inoperable. Daily grab samples were initiated at the location. Inoperability was due to drought conditions in the area causing the lake level to decrease below the suction of the sampler. Additional suction tubing-was not installed due to the composite water sampler being unable to draw a suction.
- 30. September 14, 1988, to September 21, 1988 A difference between the elapsed timer readings and actual time existed at locations CL-4 (3.8 hours),
CL-6 (3.8 hours), CL-7 (3.8 hours), CL-8 (3.8 hours) and CL-94 (3.9 hours). Elapsed time was used for volume calculations and was assumed to accurately i record. sampler run hours. The difference was due to ' severe thunderstorms in the' area causing power outages. Air sample filters were found damp at locations CL-7, CL-8 and CL-94. The filters were damp due to rain storms and high winds during the past week. Evaluation i of sample results indicated the results were reliable ; and consistent with other air sample results. The air ' samplers were inspected for moisture and all were found' in satisfactory condition. 140 , i
TABLE A-4 (Cont'd)
- 31. September 28, 1988 Unable to obtain lettuce samples at locations CL-114, CL-115 and CL-117. Samples were not obtained due to the lettuce dying resulting from the drought conditions in the area and the end of the growing season.
- 32. September 28, 1988, October 26, 1988, November 30, 1988, and December 28, 1988 Surface water sample obtained at location CL-91 was a composite of daily grab samples. This was due to the drought conditions in the area causing the lake level to drop below the suction of the composite water sampler.
- 33. October 12, 1988, to October 19, 1988 Air sanple filter was found damp at location CL-2. The filter was damp due to rain storms and high winds during the previous wee 3. Evaluation of the sample results indicated the results were reliable and consistent with other air sample results. The air sampler was inspected for moisture and found in satisfactory condition.
- 34. November 9, 1988, to November 16, 1988 Air sample filters were found damp at locations CL-2, CL-3, CL-7, CL-8 and CL-94. The filters were damp due to rain storms and high winds during the previous week.
Evaluation of the sample results indicated the results were reliable and consistent with other air sample results. The air samplers were inspected for moisture and found in satisfactory condition.
- 35. December 28, 1988 Unable to obtain grass samples at locations CL-1, CL-2, CL-8 and CL-11. This was due to snow cover on the ground.
141
TABLE A-4 (Cont 8d)
- 36. December 28, 1988 TLD at location CL-87 was found on the ground and was covered with snow. This was due to breakage of the plastic tywraps holding the TLD cage to the post. The plastic tywraps were replaced with metal lockwire.
Evaluation of the data at location CL-87 indicated the data were reliable and consistent with previous data. j TLDs at locations CL-76 and CL-112 were found missing. On January 6, 1989, the TLDs were found on the ground L after the snow melted. This was due to breakage of the plastic tywraps holding the TLD cage to the post. The plastic tywraps were replaced with metal lockwire. Evaluation of the data at CL-76 and CL-112 indicated the data were reliable and consistent with previous data. Note 1: Grass samples are normally analyzed wet. During winter months and drought conditions, the grass will dry up and die. Dry, dead grass has a moisture content much lower-than that of fresh green grass. Analysis of dry, dead grass may be biased. Note 2: Missing TLD data or TLD data found unacceptable were calculated in the following manner. The quarterly dose measured at the same location for the other quarters collected during that year are averaged (i.e., Quarter 1 is missing at site X, Quarters 2, 3 and 4 had readings of 21.2 mR, 18.1 mR and 20.6 mR respectively. Quarter 1 = Quarter 2 + Quarter 3 + Quarter 4 divided by 3; 21.2 + 18.1 + 20.6/3 = 20.0 mR). Note 3: Daily grab samples were discounted for location CL-91 on October 18, 1988, and replaced with a weekly grab sample. A composite of weekly grab samples will make up the composite sample. 142
^
APPENDIX B REMP Sample Collection and Analysis Methods 143
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1
.1 APPENDIX C Glossary l
4 i l I 149
1 i GLOSSARY j activation - the process in which stable atoms become radioactive atoms by absorbing neutrons. ALARA - acronym for "As Low As Reasonably Achievable" which f applies to many facets of nuclear power, i.e., radiation i exposure for personnel kept low, minimizes number / activity of effluent discharges, alpha particle - a charged particle emitted from the nucleus l of an atom having a mass and charge equal in magnitude of a helium nucleus (2 proton and 2 neutrons). atom - the smallest component of an element having all the properties of an element. Comprised of protons, neutrons , and electrons such that the number of protons determines the i element. { background radiation - source of radiation that mankind has no control of, such as cosmic (from the sun) and terrestrial (naturally occurring radioactive elements), beta particle - a charged particle equivalent to.an electron if negative or a positron if positive, originating near the nucleus of an atom during radioactive decay or fission. < control location - a sample collection location' considered I to be far enough away from Clinton Power Station so as not to be affected by plant operations. cosmic radiation - penetrating ionizing radiation originating in outer space. curie (Ci) - the unit of radioactivity equal to 2.2 trillion disintegrations per minute. dead water - water that contains no tritium. dose - a quantity (total or accumulated) of ionizing radiation received. ecology - a branch of biology dealing with trua relations between organisms and their environment. electromagnetic radiation - a travelling wave motion resulting from changing electric or magnetic fields. Familiar sources of electromagnetic radiation range from x-rays (and gamma rays) of short wavelength, through the ultraviolet, visible and infrared regions, to radar and radiowaves of relatively long wavelength. All electromagnetic radiation travels in a vacuum at the speed of light. 150 l
element - one of 103 known chemical substances that cannot be broken down further without changing its chemical properties. environment - the aggregate of surrounding things, conditions, or influences. exposure - a measure of the ionization produced in air by x-ray or gamma radiation. Acute exposure is generally accepted to be large exposure received over a short period of time. Chronic exposure is exposure received over a long period of time. fission - process by which an atomic nucleus splits into two smaller nuclei and releases neutrons and energy. fission products - the nuclei formed as part of the fissioning of an atomic nucleus. gamma rays - high energy, short wavelength electromagnetic radiation emitted from the nucleus. half-life - the time required for half of a given amount of a radionuclides to decay. indicator location - a sample collection location strategically located to monitor dose rate or radioactive material that may be the result of Clinton Power Station operations. i ionization - the process by which a neutral atom or molecule l acquires a positive or negative charge. irradiation - exposure to radiation. l Lower Limits of Detection (LLD) - the smallest amount of sample activity that will give a net count for which there is a confidence at a predetermined level that the activity is present. microcurie - one millionth of a curie and represents 2.2 million decays per minute. neutron - one of the three basic parts of sn atom which has no charge and is normally found in the nucleus (center) of an atom. nucleus - the center of an atom containing protons and neutrons, that determines the atomic weight and contributes to the net positive charge of'an atom. nuclei (plural) nuclides - atoms which all have the same atomic number and mass number. 151
periphyton - water plant life (i.e., algae). radiation - the process by which energy is emitted from a nucleus as particles (alpha, beta, neutron) or waves (gamma). radionuclides - a radioactive species of an' atom characterized by the constitution of its nucleus. The-i nuclear constitution is specified by the number of protons, number of neutrons, and energy content. l
. rem - the unit of dose of any ionizing radiation that produces the same biological effects as a unit of absorbed dose of ordinary x-rays. Acronym for Roentgen Equivalent Man.
roentgen - a measure of ionization. produced in air by x-ray 1 or gamma radiation. ' statistics - the science that deals with'the collection, classification, analysis and interpretation of numerical data by use of mathematical theories of probabilities. terrestrial radiation - source of radiation pertaining to the ground (Earth's crust). wind rose - a graphic representation indicating from which direction and speed the wind blew. I x-rays - high energy, short wavelength electromagnetic radiation, emitted from the electron shells of an atom. l l l I 152
1 APPENDIX D CPS Radiological Environmental Monitoring Results During 1988 153
TABLE 0-1 G#0S5 BETA AND 100lNE 131 ACTIVITY IN AIR PARTICULATE FOR 1988(a). 3
- (pCf /m :2 s.d.)
Cottection Period CL 1 CL'-2 CL-3 CL-4 CL-6 12/30/87 01/06/88 0.032:0.004 0.026:0.004 0.027:0.004 0.031:0.005 0.031:0.004 01/06 01/13 0.047:0.005 0.05020.005 <3.50* 0.04520.005 .0.046:0.005' 01/13 01/20 0.01920.004 =0.024 0.004 0.020:0.005 0.023:0.004 0.021 0.004 01/20 - 01/27 0.03120.004 0.03420.004 0.03620.004 0.040:0.005 0.037 0,004 01/27 - 02/03 0.027:0.004 0.025t0.004 0.02020.004 0.026 0.004 0.02520.004 02/03 - 02/10 0.02420.004 0.07120.006 'O.04320.006 0.04320.005 0.04620.005 02/10 02/17 0.03320.004 0.026:0.004 0.03420.004 .0.03720.004 0.031:0.004 02/17.- 02/24 0.0160.004' O.02620.004 0.026t0.004- 0.013t0.004 0.023:0.004' 02/24 03/02 .0.022:0.004 0.02020.004 0.02220.004 0.01920.004 - 0.01520.004 03/02 - 03/09 0.022:0.004 0.02220.004 0.02020.004 0.018t0.004. 0.022:0.004 03/09 - 03/16 0.01620.004 0.01320.004 0.01210.004 0.015t0.004 0.01620.004 03/16 03/23 0.02020.004 0.02220.004 0.02420.003 0.01720.004 0.02020.004 03/23 03/30 0.02020.004 0.020t0.004 0.01510.003 0.02020.004 0.020 0.004 03/30 04/06 0.023:0,004 0.02120.004 0.009:0.003 0.01920.004' O.021:0.004 I 04/06 - 04/13 0.01910.003 0.02020.003 0.01620.002 0.01820.003 0.021:0.003 04/13 - 04/20 0.01910.004 0.02720.004 0.026 0.004 0.021t0.004 0.024 0.004 04/20 04/27 0.022:0.004 0.020t0.004 0.021:0.004 0.02210.004 0.023:0.004-04/27 - 05/04 0.020 0.004 0.02820.004 0.027:0.004 0.02720.004 0.024:0.004 05/04 - 05/11 0.024:0.004 0.018t0.004 0.022:0.004 0.026 0.004 0.021:0.004 05/11 05/18 0.021:0.004 0.02820.004 0.024t0.004' O.024t0.004 0.027 0.022. j 05/18 - 05/25 0.021:0.004 0.013 0.004 0.021:0.004 0.02220.004 0.021:0.004 1 05/25 06/01 0.03220.004 0.028 0.004 0.03420.004 0.026t0.004 0.030to.004 1 06/01 - 06/08 0.027 0.004 0.02620.004 0.03020.004 0.029:0,004 0.025:0,004 06/08 - 06/15 0.030t0.004 0.02820.004 0.03020.004 0.02720.004 0.031:0.004 , 06/15 06/22 0.03720.004 0.03920.004 0.036 0.004 0.03520.004 0.03820.004 l 06/22 06/29 0.028t0.006 0.027t0.004 0.030:0.004 0.030t0.004 .0.029:0.004 j 06/29 - 07/06 0.030:0.003 0.04020.004 0.040t0.004 0.02820.003 0.026 0.003- " 07/06 - 07/13 0.036:0.005 0.03420.005- 0.037:0.005 0.03720.005 0.03420.005 07/13 07/20 0.029 0.004 0.03120.004 0.02720.004 0.028 0.004 0.029 0.004 07/20 07/27 0.03420.003 0.02520.003 0.034 0.003 0.03420.003 0.033:0.003 07/27 - 08/03 0.04120.005 0.040t0.005 0.04020.005 0.043:0.005 0.040 0.005 08/03 08/10 0.033:0.004 0.03620.004 - 0.036 0.004 0.035:0.004- 0.03420.004 J 08/10 - 08/17 0.03720.004 0.032:0.004 0.03420.004 0.034:0.004 0.032 0.004 , 08/17 08/24 0.03620.004 0.03020.004 0.03420.004 0.03220.004 0.02820.004' I 08/24 - 08/31 0.031:0.003 0.02420.003 0.03220.003 0.028:0.003 0.028:0,003 08/31 - 09/07 0.030 0.004 0.024:0.004 0.027 0.004 0.028:0.004 0.027:0.004 i 09/07 09/14 0.03410.004 0.03420.004 0.03220.004 0.03710.005 0.033 0.004 , 09/14 09/21 0.02020.004 0.022:0.004 0.024t0.004 0.022:0.004 0.022:0,004 09/21 09/28 0.03620.005 0.04020.005 0.033 0.005 0.038 0.005 0.035t0.005 09/28 - 10/05 0.029:0.004 0.02620.004 .0.032 0.005 0.030:0.004 0.028:0.004 , 10/05 - 10/12 0.04020.001 0.03620.005 0.040:0.005 0.03520.004 0.03120.004 ! 10/12 10/19 0.02820.004 0.03110.004 0.030:0.004 0.025t0.004 0.03020.004 ; 10/19 10/26 0.023:0.004 0.025:0.004 0.02520.004 0.02320.004 0.025 0.004 ' ~10/26 11/02 0.030:0.004 0.030:0.004 0.026:0.004 0.027 0.004 0.02520.004 154
1 l TABLE D-1 (Cont'd) i Collection Period Ct -7 .CL-8 CL-11(c) CL-04 12/30/87-01/06/88 0.024:0.004 0.0300.004 0.028:0.004 0.03320.004 01/06 - 01/13 0.04720.005 0.04620.005 0.038t0.004 0.05420.005 01/13 01/20 0.022:0.004 0.022:0.004 0.02020.004 0.02220.004 01/20 01/27 0.037 0.004 0.038 0.004 0.03220.004 0.03520.004 01/27 - 02/03 0.023t0.004 0.03120.004 0.028:0.004 0.026 0.004 02/03 - 02/10 0.040:0.004 0.04320.005 0.04220.004 0.04220.005 02/10 02/17 0.033 0.004 0.036 0.004 0.028t0.004 0.02820.004 02/17 - 02/24 0.01820.004 0.021:0.004 0.02620.004 0.024:0.004 02/24 03/02 0.023:0.004 0.024t0.004 0.020:0.004 0.022:0.004 03/02 - 03/09 0.021:0.004 0.023s0.004 0.01720.004 0.021:0.004 03/09 - 03/16 0.01420.004 0.016t0.004 0.01210.004 0.01520.004 03/16 - 03/23 0.01820.004 0.01910.004 0.020to.004 0.022 0.004 03/23 e 03/30 0.03610.030 0.01520.003 0.01720.004 0.01620.003 03/30 - 04/06 0.02010.004 0.01410.004 0.00820.003 0.01220.004 04/06 04/13 0.019t0.003 0.01920.003 0.02020.003 0.022:0.003 j 04/13 - 04/20 0.021:0.004 0.024:0.004 0.02740.004 0.025t0.003 04/20 04/27 0.02020.004 0.022:0.004 0.022:0.004 0.02210.003 04/27 - 05/04 0.022:0.003 0.026t0.004 0.02920.004 0.023:0.004 05/04 05/11 0.023:0.004 0.02120.004 0.01920.004 0.02220.004 05/11 - 05/18 0.01820.004 0.02620.004 0.02820.004 0.02720.004 05/18 - 05/25 0.021:0.004 0.02020.004 0.023:0.004 0.020 0.004 05/25 06/01 0.03320.004 0.033 0.004 0.02820.005 0.026t0.004 06/01 - 06/08 0.02620.004 0.027 0.004 0.02720.004 0.02910.004 06/08 - 06/15 0.03110.004 0.03020.004 0.02720.004 0.03220.004 06/15 - 06/22 0.036t0.004 0.03820.004 0.032to.004 0.03910.004 06/22 - 06/29 0.025 0.004 0.026:0.004 0.03020.004 0.02920.004 06/29 07/06 0.03010.003 0.03520.003 0.03620.003 0.03620.004 07/06 - 07/13 0.03420.005 0.03820.005 0.03820.005 0.03020.005 07/13 - 07/20 0.029 0.004 0.03220.004 0.029:0.004 0.033 0.004 07/20 07/27 0.03120.003 0.03120.003 0.03520.003 0.036 0.003 07/27 08/03 0.03620.004 0.03920.005 0.03920.005 0.03720.004 j 08/03 08/10 0.03720.004 0.036t0.004 0.03720.004 0.03420.004 ! 08/10 08/17 0.03420.004 0.033t0.004 0.033:0.004 0.03620.004 08/17 - 08/24 0.031:0.004 0.035:0.004 0.034t0.004 0.032t0.004 08/24 - 08/31 0.02820.003 0.032 0.003 0.029:0,003 0.02820.003 08/31 09/07 0.027 0.004 0.033:0.004 0.028 0.004 0.026:0.004 09/07 09/14 0.03520.004 0.03920.004 0.03720.005 0.039 0,004 4 l 09/14 09/21 0.02220.004 0.02320.004 0.02420.004 0.02120.004 09/21 - 09/28 0.03910.005 0.04020.005 0.04010.005 0.040:0.005 09/28 10/05 0.029:0.004 0.033:0,005 0.028:0.004 0.030t0.004 10/05 - 10/12 0.03820.004 0.028t0.004 0.04120.005 0.038:0.005 10/12 10/19 0.02720.004 0.027:0.004 0.026t0.004 0.02620.004 10/19 - 10/26 0.02220.004 0.024:0.004 0.024:0.004 0.025:0.004 10/26 11/02 0.023:0.004 0.026:0.004 0.02820.004 0.024 0.004 155
I TABLE D-1 (Cont'd) ;
)
Collection Period CL 1 CL-2 CL 3 CL-4 CL 6 11/02 - 11/09 0.032 0.004 0.03020.004 0.02710.004 0.029 0.004 0.030:0.004 11/09 11/16 0.023t0.004 0.02420.004 0.01720.004 0.027:0.004 0.023:0.004 11/16 11/23 0.031:0.004 0.027:0.004 0.029:0.004 0.029:0.004 0.023:0.004 11/23 11/30 0.03040.004 0.03120.004 0.03020.004 0.029:0.004 0.028:0.004 11/30 - 12/07 0.05020.005 0.053 0.005 0.051:0.005 0.045:0.005 0.045:0.005 l 12/07 - 12/14 0.033:0.004 0.03020.004 0.031:0.004 0.035:0.004 0.03620.004 1 12/14 - 12/21 0.02520.004 0.027 0.004 0.02210.004 0.02740.004 0.028 0.004 12/21 - 12/28 0.035t0.004 0.035t0.004 0.03620.004 0.03520.004 0.030 0.006 Collection Period CL 7 CL 8 CL-life) CL 94 - 11/02 - 11/09 0.03110.004 0.032:0.004 0.027 0.004 0.033 0.004 11/09 - 11/16 0.031:0,004 0.035t0.004 0.030:0.004 0.02320.004 11/16 - 11/23 0.027:0.004 0.023:0.004 0.03020.004 0.028:0.004 11/23 - 11/30 0.024 0,004 0.02820.004 0.030:0.004 0.031:0,004 11/30 12/07 0.050:0.005 0.052:0.005 0.04520.005 0.048 0.005 12/07 - 12/14 0.039:0.004 0.037:0.004 0.03920.f35 0.04220.005 12/14 - 12/21 0.028:0.004 0.030:0.004 0.027:0.Lv. 0.024:0.004 . 12/21 - 12/28 0.035:0.004 0.03820.004 0.032:0.C 4 0.03420.004 unreliable result, excluded from the mean i (a) 3 all I-131 octivity is <0.07 pCl/m unless otherwise noted in Table A 2 l (c) control location, all other locations are Indicators l 4 l 156 1
1 i TABLE 0 2 i I GAMMA !$0f0PIC ACTfv!TV IN AIR PARTICULATE FOR 1988 'i (pCl/m3 :2 s.d.) l 111g Isoto23 2nd otr 3rd Qtr i ist otr 4th otr ' CL-1 Be-7 0.08:0.01 0.1220.02 0.10 0,02 0.06:0.01 K 40 <0.01 <0.01 <0.02 <0.02 Co-60 <0.002 <0.001 <0.002 <0.001 Nb-95 <0.002 <0.002 <0.001 <0.001 2r-95 <0.003 <0.003 <0.004 <0.002 ) Ru-103 <0.002 <0.002 <0.002 <0.001 Ru-106 <0.01 <0.01 <0.01 <0.008 Cs-134 <0.001 <0.001 <0.001 <0.001 Cs 137 <0.001 <0.001 <0.001 <0.001 - Ce-141 <0.002 <0.003 <0.004 <0.001 Ce-144 <0.005 <0.006 <0.007 <0.003 CL 2 Be 7 0.09:0.02 0.1820.03 0.11to.02 0.07:0.02 $ K 40 <0.01 <0.03 <0.02 <0.03 l Co 60 <0.002 <0.002 <0.002 <0.001 ! Nb-95 <0.002 <0.002 <0.005 <0.002 2r-95 <0.003 <0.004 <0.005 <0.002-Ru-103 <0.001 <0.003 <0.004 <0.001 Ru-106 <0.01 <0.02 <0.002 <0.009 Cs-134 <0.001 <0.002 <0.002 <0.001 Cs 137 <0.001 <0.002 <0.002 <0.001 Ce 141 <0.002 <0.003 <0.008 <0.002 Ce-144 <0.005 <0.008 <0.01 <0.006 CL 3 Be-7 0.07:0.03 0.1220.02 0.10to.02 0.07:0.01 K 40 <0.04 <0.03 <0.01 <0.01 Co-60 <0.001 <0.002 <0.002 <0.001 Nb-95 <0.002 <0.002 <0.004 <0.002 2r-95 <0.004 <0.005 <0.004 <0.002 Ru-103 <0.002 <0.002 <0.002 (0.001 Ru-106 <0.02 <0.01 <0.01 <0.01 Cs 134 <0.002 <0.002 <0.002 <0.001 Cs-137 <0.002 <0.002 <0.001 <0.001 Ce 141 <0.004 <0.003 <0.004 <0.002 Ce 144 <0.01 <0.007 <0.006 <0.007 4 l 157
TABLE D-2 (Cont'd) i 1113 Isotope 1st otr 2nd otr 3rd otr 4th ctr l CL-4 Be-7 0.08:0.01 0.13:0.002 0.09:0.02 0.06:0,01 K 40 <0.01 <0.02 <0.01 <0.006 Co 60 <0.001 <0.002 <0.001 <0.001 Nb-95 <0.002 <0.002 <0.003 <0.001 i Zr-95 <0.003 <0.003 <0.003 <0.002 Ru 103 <0.002 <0.002 <0.002 <0.001 Ru 106 <0.01 <0.01 <0.01 <0.007 Cs 134 <0.001 <0.001 <0.002 <0.001 Cs-137 <0.001 <0.001 <0.001 <0.001 Ce 141 <0.002 <0.002 <0.004 <0.001 , Co-144 <0.006 <0.006 <0.007 <0.004 1 CL-6 Be-7 0.09:0.03 0.1420.03 0.10t0.02 0.06t0.01 K 40 <0.04 <0.03 <0.02 <0.02 ; Co-60 <0.002 <0.002 <0.001 <0.001 I Nb-95 <0.003 <0.003 <0.003 <0.001 Zr 95 <0.005 <0.004 <0.002 <0.002 Ru-103 <0.002 <0.002 <0.002 <0.001 Ru 106 <0.02 <0.02 <0.009 <0.006 Cs 134 <0.002 <0.002 <0.001 <0.001 Cs 137 <0.002' <0.002 <0.001 <0.001 Ce-141 <0.003 <0.003 <0.004 <0.001 Ce-144 <0.006 <0.008 <0.006 <0.002 CL-7 Be-7 0.05:0.01 0.13t0.03 0.08t0.02 0.07:0.01 K-40 <0.01 <0.04 <0.01 <0.006 Co 60 <0.001 <0.002 <0.001 <0.001 Nb 95 <0.002 <0.002 <0.005 <0.001 Zr-95 <0.003 <0.006 <0.005 <0.002 Ru 103 <0.002 <0.002 <0.004 <0.001 Ru-106 <0.01 <0.02 <0.02 <0.006 Cs-134 <0.002 <0.002 <0.002 <0.001 Cs 137 <0.001 <0.002 <0.002 <0.001 te-141 <0.002 <0.003 <0.008 <0.001 l Ce-144 <0.008 <0.010 <0.01 <0.003 l l 158 l 2
J TABLE 0 2 (Contidl ) 1 1 l 1112 Isotope ist ote ?nd otr Ing_01g 4th Qtr CL 8 Be-7 0.0720.02 0.1420.03 0.10:0.04 0.06:0.01 K 40 <0.02 <0.03 <0.04 <0.01 Co 60 <0.001 <0.003 <0.003 <0.001 Mb-95 <0.002 <0.003 <0.006 <0.002 'j 2r-95 <0.003 <0.005 <0.006 <0.002 i Ru-103 <0.002 <0.002 <0.003 <0.001 l Ru-106 <0.01 <0.02 <0.02 <0.009 I Cs 134 <0.001 <0.002 <0.002 <0.001 - Cs 137 <0.002 <0.002 <0.002 <0.001 j Ce 141 <0.003 <0.003 <0.005 <0.002 ) Ce-144 <0.009 <0.009 <0.01 <0.006 CL-11 Be 7 0.08t0.02 0.1320.02 0.0820.02 0.06:0,01 C 40 <0.03 <0.03 <0.01 <0.01 Co 60 <0.002 <0.002 <0.001 <0.001 Nb-95 <0.002 <0.002 <0.004 <0.001 Zr 95 <0.003 <0.004 <0.003 <0.002 Ru 103 <0.002 <0.002 <0.002 <0.001 Ru-106 <0.01 <0.01 <0.01 <0.006 Cs 134 <0.001 <0.002 <0.002 <0.001 Cs 137 <0.003 <0.002 <0.001 <0.001 ' Ce-141 <0.003 <0.002 <0.004 <0.001 Ce-144 <0.009 <0.006 <0.006 <0.003 CL 94 Be 7 0.0820.03 0.1320.01 0.09:0,02 0.05 0.01 K 40 <0.02 <0.008 <0.01 <0.006 1 Co 60 <0.002 <0.0009 <0.001 <0.001 Nb-95 <0.002 <0.002 <0.004 <0.001 ' Zr 95 <0.004 <0.002 <0.003 <0.002 Ru-103 <0.002 <0.001 <0.002 <0.001 Ru 106 <0.02 <0.008 <0.01 <0.007 Cs 134 <0.001 <0.0008 <0.002 <0.001 Cs 137 <0.002 <0.009 <0.001 <0.001 . Ce-141 <0.004 <0.001 <0.003 <0.001 Ce 144 <0.01 <0.003 <0.005 <0.004 l 159
TABLE 0 3 I 1988 CPS REMP QUARTERLY TLD RESULTS mk/91 Days (Net Exoosure) Location 1st Qtr 2nd otr 3rd Qtr 4th Qtr i CL 1 16.620.6 17.826.5 20.021.4 20.520.7 l CL-2 16.621.6 15.224.1 18.5 0.9 20.3 1.0 j CL 3 15.921.1 29.4t3.7 19.0t0.4 22.120.7 I CL 4 17.011.4 13.6t2.2 20.220.6 19.521.1 CL 5 17.921.4 12.523.6 19.621.0 19.220.8 CL 6 14.420.9 12.723.2 16.121.0 17.820.6 CL-7 14.420.6 15.0t2.7 17.4 0.9 21.140.4 CL 8 18.6 1.7 13.122.6 19.0 0.5 19.720.8 CL 11 16.2i1.4 15.624.7 18.621.0 19.120.4 CL 20 15.821.1 13.722.1 19.121.0 19.520.8 l CL 21 15.821.3 18.726.6 20.020.7 21.220.8 CL 22 14.820.8 14.4 2.2 17.6 1.0 20.921.0 CL-23 13.0t1.0 8.922.3 13.920.4 15.720.5 CL-24 14.820.9 11.822.1 17.5t0.4 19.010.4 l CL 25 11.220.6 8.522.2 13.920.8 16.120.4 CL 26 14.621.2 13.625.8 16.3 1.1 18.4 0,3 CL-27 13.6t1.2 18.914.8 16.920.6 19.820.5 CL 28 14.8t1.2 16.925.4 19.810.7 21.220.7 CL 29 14.4t1.1 17.623.3 18.7t0.4 21.4t0.4 CL 30 14.920.8 18.922.6- 18.520.7 23.720.9 CL 31 12.6t0.9 15.4t2.8 16.320.9 19.120.6 CL-32 14.821.3 22.727.7 17.8 0.9 20.820.4 CL 33 15.520.8 17.122.5 18.820.7 22.020.3 CL 34 21.3:1.9 20.222.2 21.420.8 24.920.5 CL 35 14.721.3 17.521.0 ND 19.140.6 CL-36 15.521.4 14.1t2.2 16.420.7 19.5 0.7 CL 37 26.721.6 19.426.3 17.7*0.6 20.720.6 CL-38 15.3:1.8 17.4t2.3 18.8t0.4 21.0t0.6 CL 39 13.4:1.0 12.1 2.1 16.121.0 18.8 0.6 CL 40 23.222.2 14.5 2.8 16.920.8 20.020.4 CL-41 15.711.6 15.723.2 19.020.7 21.220.5 CL 42 15.421.4 13.322.6 17.4 1.1 19.220.5 CL-43 17.821.0 14.722.5 19.510.6 21.021.0 CL 44 16.820.7 14.122.4 21.220.7 21.420.8 CL 45 ,14.6 0.8 15.222.2 18.220.6 21.920.6 CL 46 14.820.7 11.612.2 18.821.2 19.6 0.3 CL-47 16.6t1.4 17.225.3 18.8 1.3 21.920.7 CL-48 Missing 15.426.0 16.7 0.4 20.0t1.1 CL-49 17.721.4 16.422.1 19.621.3 21.520.9 ND a No data. TLD lost in the field, 1 l 160
I TABLE 0 3 (Cont'd) mR/91 Devs (Net Exposure) I Location ist Qte 2nd Qtr 3rd Qte 4th Qtr CL 50 I 14.721.3 15.222.2 17.120.6 21.3t0.3 CL 51 16.521.1 15.3 2.2 18.420.8 22.020.8 CL 52 46.622.4 15.522.7 19.121.1 21.021.0 CL 53 14.3 1.5 13.122.2 16.6s0.5 19.320.4 CL-54 14.810.8 13.122.3 16.821.1 19.720.4 CL-55 13.220.6 12.522.2~ 18.020.5 20.1to.3 CL 56 23.023.7 14.742.2 19.4t0.4 20.820.5 CL-57 15.721.4 16.223.0 19.3:0.9 20.320.5 CL 58 15.4:1.0 13.512.8 18 420.7 20.3 0.6 I CL-59 14.741.4 13.622.6 18.720.7 21.120.6 CL-60 16.9:1.0 14.822.3 19.921.4 22.220.3 CL-61 17.121.4 21.4 2.5 19.521.0 21.121.3 CL 62 15.8t1.4 16.0t2.9. -18.0t0.7 21.6to.6-CL-63 17.6t0.8 17.122.2 19.320.6 23.2t0.6 CL 64 15.521.5 20.824.1 17.6to.8 21.221.3 CL 65 15.720.9 16.0 2.3 18.420.6 22.220.7 CL-66 27.511.8 12.9 2.2 15.520.7 19.020.4 CL 67 15.4t1.4 14.022.4 19.840.4 20.220.4 CL-68 13.520.6 13.914.1 16.620.7 20.520.5 CL-69 19.8t4.3 18.424.0 20.0t1.1 23.0t1.3 CL 70 14.3 1.0 14.422.1 18.021.2 21,7 1.0 CL 71 19.621.5 15.722.1 17.4 to.5 21.6t0.9 CL-72 14.4t1.2 15.323.7 16.8 0.9 19.310.7 CL 73 17.3 1.7 14.6 2.2 19.920.8 21.321.0 CL-74 19.0t11.1 16.723.6 16.620.9 20.1th.5 CL-75 21.021.9 13.312.5 19.121.0 20.220.5 CL-76 15.5 0.6 13.923.7 18.4 1.1 19.9t0.4 CL-77 14.220.9 10.722.5 18.6 1.3 18.320.5 CL 78 14.320.7 13.St2.4 18.621.4 20.5t0.6 CL 79 14.51.5 14.022.3 35.6:1.6 20.620.6 CL 80 79.518.4 13.622.5 23.0 1.4 20.020.9 CL-81 15.6 1.3 19.4t4.9 18.721.4 20.4t0.6 CL-82 17.522.4 10.222.6 16.721.0 17.4t1.1 CL 83 18.411.2 14.822.6 20.7 1.8 21.120.6 I CL 84 20.3ti.7 22.521.7 19.7t0.9 21.0t0.9 CL 85 16.920.6 15.644.8 21.241.5 20.420.9 CL 86 17.0t0.7 18.5t5.6 23.4ti.6- 22 021.0 CL 87 23.722.2 17.9:1.7 22.6t1.4 22.521.2 CL 109 20.920.6 13.5 2.6 16.7 0.8 19.0*0.6 CL 110 16.6t1.4 12.3 2.3 19.8 1.0 18.720.5 CL-111 16.4 1.6 9.3 2.8 19.120.7
?
13.8t0.5 CL 112 51.414.0 11.222.8 l 18.5 1.0 20.840.4 .l CL 113 i2.Sto.6 13.7t3.6 19.8:0.8 19.620.7 Mean 22 s.d. 18.229.1 15.313.2 18.722.6 20.421.7 161
I TABLE 0-4 SURFACE WATER GROSS BETA AND CAMMA ISOTOPIC ACitytTY (DCI/l) - CL-9 Date Collected: 01/27/88 02/24/88 03/30/8J 04fg74EQ 05/25(88 06/29/88 Gross Beta 2.320.5 1.3 0.7 2.4t0.7 2.020.4 2.4:0.3 3.8to.6 Be-7 <15.0 <11.8 <27.0 <29.3 <22.4 <31.5 K 40 <39.8 <17.5 <39.7 <43.6 <24.4 <41.7 Mn-54 <1.7 <1.3 <2.3 <2.6 <2.4 <2.7 Fe-59 <3.2 <3.3 <6.4 <6.2 <5.5 <6.7 Co 58 <1.7 <1.2 <2.6 <2.8 <2.7 <2.8 Co 60 <1.8 <1.3 <2.4 <2.7 <2.4 <2.8 Zn-65 <3.7 <2.7 <5.2 <5.3 <5.6 <5.7 Nb-95 <1.8 <1.3 <2.6 <2.8 <3.1 <3.1 Zr-95 <3.1 <2.2 <4.2 <5.1 <5.0 <5.3 Cs-134 <1.8 <1.2 <2.5 <2.4 <2.4 <2.5 Cs 137 <1.8 <1.4 <2.6 <2.9 <2.6 <3.2 Ba 140* <6.4 <4.0 <10.5 <9.0 <8.9 <10.5 La-140' <1.9 <1.0 <2.1 <2.0 <2.8 <2.5 Ce 144 <17.1 <10.6 <24.4 <25.8 <22.1 <27.4 Date Collected: 07/27/88 08/31/88 09/g8/88 10/26/88 11/30/88 1g4g8/$$ Gross Beta 2.6s0.4 3.220.4 3.520.4 2.720.7 2.5:0.7 3.220.4 l Be-7 <15.8 l
<21.4 <12.4 <15.7 <16.1 <8.2 l K-40 <19.9 <20.4 <31.9 <34.2 <38.5 <29.3 l Mn-54 <1.7 <2.2 <1.4 <1.9 <1.9 <1.1 Fe 59 <4.4 <5.2 <3.0 <4.7 <3.9 <2.2 Co 58 <2.0 <2.5 <1.4 <2.2 <1.9 <1.1 Co-60 <2.1 <2.2 <1.4 <2.2 <1.8 <1.2 Zn 65 <4.6 <5 2 <3.3 <5.1 <4.2 <2.4 Nb 95 <2.2 <2.9 <1.4 <2.2 <1.9 <2.6 Zr-95 <3.6 <4.6 <2.6 <3.7 <3.5 <1.9-Cs 134 <2.0 <2.3 <1.6 <2.2 <1.9 <1.2 Cs 137 <1.8 <2.3 <1.5 <2.1 8
<2.0 <1.1 Ba-140 <6.1 <18.8 <T.2 <10.2 <6.5 .<3.7 i La-140' <2.0 <6.1 <1.8 <4.0 <2.0 <1.4 l Ce-144 <11.3 <20.0 <12.7 <12.0 <15.0 <6.7 a LLD at tine of counting.
162 - l
l l-TABLE D-5 SURFACE WATER CROSS BETA AND GAMMA ISOToptC ACTIVtfY toc f / t ) CL-10 Date Collected: 01/27/88 02/24/88 03/30/88 04/27/88 05/25/88 06/29/88 l ' Gross Beta 4.0 0.7 2.020.7 1.5:0.7 2.420.4 3.1to.5 2.720.4 f Be 7 <12.6 <12.7 <15.1 <17.5 <22.1 <20.6 K-40 <22.6 <31.7 <39.6 <39.3 -<20.4 <22 4
- .Mn 54 <1.2 <1.6 <1.8 <1.7 <1.8 <2.4 Fe-59 <3.6 <3.7 <3.7 <4.2 <2.3 <5.0 co 58 <1.4 <1.8 <1.9 <2.1 <2.6 <2.6 Co 60 <1.4 <2.7 <1.9 <1.9 <2.4 <2.3 Zn-65 <2.6 <4.0 <4.0- <3.8 <5.1 <5.3 Nb-95 <1.4 <1.6 <2.1 <2.2 <3.0- <2.8 Zr 95 <2.4 <2.8 <3.1 <3.7 <4.8 <4.6 Cs 134 <1.2 <1.9 <1.8 <1.8. <2.4 <2.4 Cs 137 ' <1.5 <1.8 <1.9 <1.9 <2.4 <2.6 a
Ba 140 <6.1 <6.6 <4.8 <6.8 <8.2 <8.6 8 La 140 <1.9 <2.3 <2.ti <1.9 <2.6 <2.8 Ce 144 <11.5 <10.4 <14.2 <14.1. <20.6 <20.6 Date Collected: 07/27/88 08/31/88 09/28/88 10/26/88 11/30/88 12/28/88 Gross Beta 3.1 0.4 2.4 0.4 3.220.4 2.8 0.7 2.6to.5 3.620.4 Be-7 <14.1 <17.5 <18.6- <27.3 <21.3 <8.7 K 40 <23.5 <20.4 <23.0 ' <21.5 <19.8 <35.5 Mn 54 <1.4 <1.9 <2.2 <2.4 <2.4 <1.0 Fe 59 <4.4 <5.1 <4.7 <5.9 <4.8 <2.0 co 58 <1.4 <2.4 <2.3 <2.7 <2.5 <1.0 co 60 <1.4 <2.1 <2.1 <2.4 <2.2 <2.4 Zn 65 <3.2 <4.5 <4.8 <5.5 <5.0 <2.4 Nb-95 " <1.7 <2.6 <2.5 <3.4 <2.6 -<1.1 Zr-95 <2.8 <3.8 <4.1 <5.1 <4.7 <1.9 Cs 134 <1.2 <2.0 <2.3 <2.6 <2.4 ' <1.2 Cs 137 <1,6 <1.9 <2.5 <2.9 <2.7 <1.2 Ba 140' <9.4 <6.6 <10.3 <23.5 <8.8- ' <3.8 La-140' <2.8 <2.3 <3.3 <6.0 <2.0 <1.2 Ce 144 <13.2 <12.0 <19.4 <27.7 <23.1 <8.5 a LLD at time of counting. ' 163
TABLE D 6 SU#FACF WATER GROSS EETA' AND GAMMA 150f0PIC ACTIVIT,y, foCf/t) - Ct 13 Data collected: 01/27/88 22/24/A8 03/30/88 04/27/88 05/25/89 04/29/88 Gross Beta 2.8 0.7 1.7to.7 2.120.6 2.240.4 2.3t0.6 2.220.4 Se 7 <24.4 <12.8 <12.8 <21.5 <20.8- <17.1
- K 40 <40.3 <37.3 <29.3 <45.2 <22.6 ~ <21.8-Mn-54 <2.4 <1.5 <1.4 <2.3'- <2,1 <2.0 Fa 59 <5.2 <3.0 <2.8 <5.3 <5.0 <4.4 Co 58 <2.3 <1.5 <1.4 <2.5 <2.3 <2.1 Co 60 <2.4 <l.6 <1.4 <2.2 <2.2 <2.0 2n-65 <4.8 <3.2' <3.1 <5.0 <4.8 <4.4 Nb 95 <2.6 <1.6 <1.5 < 3.1 <2.7 <2.4 Zr-95 <4.3 <2.6 <2.6- <4.6 <4.4 <3.6 Cs 134 <2.1 <1.6 <1.5 <2.2 <2.2 <2.0 Cs-137 <2.5 <1.6 <6.5 <2.3 ' <2.3 <2.0 a
Ba 140 <9.5 <6.7 <5.4 < T. 7 <7.4 <7.3 a La-140 <2.2 <2.1 <1.4 <2.3 <2.5. <2.3 Ce 144 <22.2 <11.8 <13.0 <19.9 <18.9 <15.1 Date collected: 07/27/88 08/31/88 09120/66 10/26/88 11/30/88 12/28/88 i Cross Beta 2.020.4 2.9:0.4 3.220.4 2.4 0.5 1.7to.6 6.1 1.6 l Be 7 <18.2 <18.4 <14.6 <16.4 <14.6 <19.6 K 40 <21.9 <41.6 <33.7 <25.9 <32.8 <43.3 Mn 54 si.9 <1.8 <1.9 <1.4 <2.0 < 2.3 Fe 59 <4.5 <4.6
<3.8 <4.6 <4.1 < 4.5 l Co 58 <2.0 <2.1 <2.0 <1.8 <2.0 <2.4 Co 60 <1.8 <2.0 <2.0 <1.4 <2.2 <2.2 2n 65 <3.6 <4.4 <4.2 <3.1 <4.4 <4.9 Nb-95 <2.6 <2.5 <2.1 <1.9 <2.0 <2.4 Zr 95 <3.2 <3.8 <3.5 <3.1 <3.3 <4.1 Cs 134 .<1.8 <2.0 <2.0 <1.4 <2.0- <2.4 Cs 137 <1.9 <2.0 <1.9 <1.6 <1.9 <2.5 Ba 140* <6.8 < 7.1 <7.9 <10.5 <6.2 <8.0 La 140' <2.2 <2.2 <2.9- <3.4 <2.6 <1.8 Ce 144 <14.9 <14.8 <11.5 <13.3 <11.6 <21.9 a LLO at tir.e of counting
( 164
1 TABLE D 7 l M FACE WATER' GROSS BETA, CROSS ALPHA, f=131 AND CAMMA ISOTOPfC ACTfvffy (oC1/t) - CL-90 Date Cottected: 01/27/88' 02/24/88 03/30/88 04/27/88 05/25/88 '06/29/88 1 i Gross Alpha 1.840.8 1.420.5 <0.8 ' <0.7 0.%0.3 <1.3 2
, Gross Beta 5.0 0.8 2.9:0.7 2.420.8. 2.220.4 2.6to.4 2.520.4 1 131 <0.2 <0.4 <0.4 <0.3 <0.4 <0.3 l- Be-7 <17.5 <12.6 <27.4 <24.8 <17.6 <15.5 K 40' <43.0 <19.1 <41.8 <30.6 <37.4 <34.8 Mn 54 <2.1 <1.2 <2.6 <2.2- <2.2 <1.6 Fe 59 <4.0 <3.1 <5.7 <5.2 <5.4 <3.6 Co-58 <2.0 <1.2 <2.5 <2.4 <2.4 <1.7 Co 60 <2.1 <1.3 <2.6 <2.3 <2.5 <1.6 2n-65 ' <4.3 <2.4 <5.4 <4.6 <5.3 <3.8-Nb 95 <2.1 <1.3 <2.6 <2.4 < 2.5 <2.0 l
2r 95 <3.6 <2.4 <5.1 <4.4 <4.1 <3.3 Cs 134 <2.1 <1.1 <2.2 c:2.1 <2.4 <1.8 Cs 137 <2.2 <1.5 <2.7 <2.4 <2.3 <1.8 Ba 140* < T. 3 <4.5 <9.7 <7.6 <T.4 <6.4 La 140* <2.2 <1.4 <2.1 <1.5 <2.5 <1.8 Co-144 <20.1 <10.6 <24.5 <20.4 <13.6
<14.8 ;
DateCollectb: 07/27/88 08/31/88 99/1 gig 10/26/88 11/30/88 12/28/88 Gross Alpha 0.920.3 <0.6 0.8:0.4 2.120.4 <1.2 0.8 0.4 Gross Beta 3.020.4 2.740.6 3.0t0.4 4.620.4 2.4 0.6 3.6t0.4
! 131 <0.4 <0.4 <0.2 <0.6 <0.3 <0.2 Be-7 <22.6 <16.6 <22.0 <15.8 <19.2 <12.4 K-40 <19.6 <22.3 <47.8 <38.8 <19.0 <25.1 Mn-54 <2.1 <1.7 <1.8 <1.9 <2.2 <1.3 Fe 59 <6.6 <4.6 <5.9 <3.8 <4.7 <2.7 Co 58 <2.8 <2.2 <2.3 <2.0 <2.3 <1.2 Co 60 <2.2 <2.2 <1.6 <1.8 <2.2' <1.3 2n 65 <5.0 <4.7 <4.0 <4.3 <4.9 <2.4 Nb-95 <3.6 <2.4 <3.2 <2.2 <2.4 <1.4 Zr 95 <4.8 <3.7 <4.0 <3.3 <4.2 <2.5 j Cs 134 <2.2 <2.0 <1.9 <2.0 <2.2 <1.2 Cs 137 <2.3 <2.0 <1.8 <2.0 <2.5 ' <1.6 Ba 140* <7.2 <13.3 <6.6 <10.2 <8.2 <5.3 I- La 140* <2.4 <4.4 <1.7 <3.1 <1.9 <1.0 Ce 144 <16.2 <11.6 <14.6 <14.4 <21.5 <14.5 a LLD at time of counting.
165 i
TABLE D-8 3 SupFACE WATER CROSS BETA. CROSS ALPHA. TRiffUM AND CAMMA ISOTop!C ACTfy!TY (DCf/l) CL-01 Date Collected: 01/27/88 02/2I./88 03/30/88 04/27/88 05/25/88 06/29/88 Gross Alpha <0.5 <0.9 <0.8 1.0t0.4 <0.7 1.220.4 Gross Beta 2.420.7 2.720.7 2.220.8 1.920.4 1.6:0.4 2.520.4 H3 <174 <181 <176 <176 <170 <169 Be-7 <14.5 <18.1 <14.9 <17.5 <16.4 <16.0 K 40 <40.0 <22.7 <32.2 <23.2 <16.3 <19.9 Mn-54 <1.7 <2.2 <1.8 <1.6 <1.8 <2.0 Fe 59 <3.7 <2.2 <3.9 <4.8 <4.0 <4.6 f.o 58 <1.6 <4.8 <1.9 <1.7 <2.0 <2.1 co-60 <1.8 <2.2 <1.8 <1.8 <1.9 <2.2 2n 65 <3.8 <2.2 <4.2 <3.0 <3.8 <4.7 Nb-95 <1.6 <4.0 <2.0 <1.9 <2.3 <2.2 Zr-95 <2.8 <2.1 <3.2 <3.2 <3.3 <4.0 Cs 134 <1.7 <4.2 <1.8 <1.5 <1.8 <2.1 Cs 137 <1.8 <2.1 <1.9 <1.7 <1.8 <2.0 Ba 140' <6.4 <8.2 <6.1 <5.2 <6.4 <6.5 La 140' <2.0 <1.7 <2.1 <1.7 <2.1 <2.2 Ce-144 <13.3 <21.1 <11.0 <12.6 <13.8 <11.9 Date Collected: 07/27/88 08/)1/88 09/26/88 10/26/88 11/30/88 12/28/88 Gross Alpha 2.020.5 1.0 0.4 0.6to.4 4.1:0.6 <1.1 1.020.4-Gross Beta 4.220.4 3.6t0.4 3.4:0.4 6.120.5 2.4t0.1 3.3t0.4 H3 <184 <184 <188 <202 <200 <199 Be 7 <20.0 <17.7 <20.4 <14.7 <20.8 <11.3 1 K-40 <19.5 <42.0 <14.4 <33.8 <21.3 <31.8 l Mn-54 <1.8 <1.8 <1.8 <2.5
.i <1.4 Fe-59 <5.7 <4.4 4.& <4.3 <5.2 <2.7 Co 58 <2.4 <1.9 <2.1 <2.4 4 . . . ,
<1.4 Co 60 <2.1 <2.1 <1.4 <2.2 <2.2 <1.3 Zn-65 <4.4 <4.2 <2.9 <4.7 <5.4 <2.8 Nb-95 <3.2 <2.4 <2.8 <2.1 <2.4 si.4 Zr 95 <4.3 <3.8 <3.4 <3.6 <4.3 <2.5 i Cs 134 <2.0 <2.0 <1.3 <2.0 <2.4 <1.3 .
I Cs-137 <L.y <1.9 <1.6 <2.0 <2.7 <1.5 l Ba 140* <6.5 <14.1 <5.4 <9.8 <8.6 <4.9 La-140' <2.3 <4.3 <1.2 <3.8 <2.0 <1.1 Ce 144 <12.2 <15.0 <10.8 <12.0 <23.1 <12.9 a LLO at time of counting. l l l 166
i I TABLE D 9 ' 1
,i SURFACE WATER GROSS BETA. TRffit>M AND GAMMA ISOTOPIC ACTIVITY 4 (DCf/t) - CL 92 Date Collected: 01/27/88 02/24/88 0]/JJLQA 04/27/88 05/25/88 06/29/88
]
Gross Beta 2.1:0.6 2.'1:0.7 1.6t0.7 2.5 0,4 2.840.7 2.420.4 H3 <174 <182 <141 '<171 <170 <169 ] r l Be 7 <12.1- <13.0 <17.9 <19.1 <34.6 <33.3 K 40 . <37.0 <38.3 <43.6 45.6219.3 <48.9 <37.5 Mn-54 < 1.'5 < 1.'6 - <2.1 <1.8 <3.5 </,6 Fe 59 <2.9 <3.1 <4.2 <4.9 <6.4- <7.7 Co-58 <1.4 <1.6 <2.1' <2.0 <3.3 <2.9-Co <1.5- <1.7 <2.1 <1.8 <3.1 <2.5 2n-65 <3.3 <3.5 <4.4 < 4.0 <6.7 <5.9 Nta-95 <1.4 <1.7 <2.2- <2.5 ' <3.2 <2.8 Zr-95 <2.5 <2.9 <4.0 <3.8 <5.5 <5.8 ' Cs 134 <1.5 <1.6 <2.1 <1.8 - <2.8 <2.4 Cs 137 <1.6 <1.7 <2.3 <1.9. <3.3 <2.7
- Ba 140' <5.4 < 7. 2 <7.1 <6.6 <10.6 <9.5 La 140' <1.7 <2.4 <2.1 <1.9 <2.6 <2.1 Ce +144 <11.3 <12.1 <18.6 <17.1 <30.4 <26.6 Date Cottected: 07/27/88 08/11/88 09/26/88 10/26/88 11/30/88 12/28/88 Gross Beta 2.9 0.4 2.4:0.4 2.6to.4 6.741.0 2.220.4 3.220.4 H3 <173 <180 <184 230 99 <200 <199 Be 7 <19.7 <17.2 <15.5 <15.9 <15.4 <T.2 K-40 <20.1 <18.8 <39.0 <24.1 <35.0' <14.5 Mn 54 j
<2.1 <2.0 <1.8 <1.5 <1.9. <0.8 '
Fe-59 <4.9 <5.3 <3.5 <4.6 <4.0 <1.7 Co-58 <2.3 <2.4 <1.9 <1.4 <2.0 <0.8 Co 60 <2.1 <2.3 <2,0 <1.4 <2.2 <0.8 2n-65 <4.8 <4.8 <3.9 <3.2 <4.5 <1.6 Nb-95 <2.6 <2.5 <1.8 <2.1 <3.3 <0.9 Zr-95 <4.4 <3.9 <3.0 <2.8 <3.4 <1.4 Cs 134 <2.2 <2.1 <1.9 <1.3 <2.0 <0.8 Cs-137 <2.3 <2.0 <1.9 <1.5 <1.9 <0.9 I Ba-140' <7.9 <14.2 <8.5 <5.9 <6.4 <2.9 La 140' <2.4 <5.5 <2.6 <2.0 <2.3 <0.6 Ce 144 <19.1 <11.8 <14.3 <12.9 <11.6 <8.6 i a LLD at time of counting. I i i
'h 167 ,
1
- j f
i TABLE D 10 , SURFACE WATER CROSS BETA. TRtT!UN AND GAMMA ISOTOPIC ACTIVITY (DCf/l) - CL 93 Date Collected: 01/27/88 02/24/88 03/30/88 04/27/88 05/25/88 06/29/88 Gross Beta 2.3:0.7 2.5:0.8 <4.0 3.8:1.3 3.022.0 -2.721.3 H3 <174 <182 <176 <174 <176 <169 Be 7 <11.7 ' <15.5 <30.0 <14.8 <18.7 <18.2 K 40 <30.3 <32.2 <44.9 '<21.8 <43.9 <21.4 Mn-54 <1.3' <1.8 <2.5 <1.4 <2.2. <2.2 Fe-59 <2.6 <3.8 c6.5- ' <4.7 <4.4 <5.4 Co-58 <1.4 <1.9 <2.7 <1.5 <2.2 <2.4 l Co 60 <1.2 <1.9 .<2.7 <1.2 <2.1 <2.5 Ju 65 <2.9. <4.2- <5.2 <3.3. <4.6 <4.9 - Nb-95 <1.4 <1.9 <2.8 <1.5 <2.5' <2.6 2r-95 <2.3 <3.3 <4.8 <2.6. <4.0- <4.2 Cs 134 <1.5 <1.9 <2.4 <1 A . <3.1 <2.3-Cs 137 <1.4 <2.0 <2.9 <1.6 <2.3 <2.2 Ba 140' s4.9 <8.21 <10.8- <5.0 <8.0 ' <7.4 , La 140' <1.3 <2.6 <2.4 <1.7- <2.5 <2.9 l Ce 144 <12.1 <16.5 <25.0 <13.6 <16.9 I
<13.4 '
Date Collected: 07/27/88 08/31/88 09/28/88 10/26/88 11/30/88 12/28/88 Gross Beta 4.721.4 2.221.4 <2.0' 4.221.3 4.021.4 4.121.4 H-3 <173 <180 <202 <201 <200 <199 Be-7 <17.3- <18.5 <18.6 <26.9 <14.3 <8.2 l K 40 <21.8 <41.3 <22.2 <24.1
<35.0 <13.6 Mn-54 <2.0 <1.8 <2.1 <2.6 <1.8 <0.9 Fe 59 <5.0 <4.4 <4.7 <5.4 <3.8 <2.3 Co 58 <2.3 <2.1 <2.3 <2.6 <1.8 <0.9 j co-60 <2.6 <1.7 <2.3 <2.7 <2.2 <0.9 Zn-65 <4.5 <4.2 <4.9 c5.5 <4.2 <1.8 Nb-95 <2.6 <2.5 <2.3 <3.1 <2.1 <1.0 2r 95 <4.1 <3.6 <4.3 <5.0 <3.2 . <1.6 Cs 134 <2.1 <2.3 <2.2' <2.9 <1.8 <0.8 .j Cs 137 <2.0 <1.7 <2.4 <3.0 <1.8 <1.0 Ba 140' <6.4 <6.6 <10.5 <10.5 <6. 0 - <3.3-La 140' <2.5 <2.2 <3.3 ' <2.7 <2.1
<1.0 Ce 144 <12.4 <14.4 <19.2 <29.4 <10.8 <7.6 a LLD at time of counting. I i
i J
)
e i 168 ) 1
TABLE D-11 , SURFACE WATER OUARTERLY TRITIUM COMPOSITE _(DCi/l) 1918, 8 CL-9 CL-10 CL-13 CL-90 1s'; Qtr <183 <183 <118 <185 2nd Qtr <173 <173 <173 <174 3rd Qtr <174 <174 <185 <185 4th Qtr <193 <193 <193 <193 TABLE D-12 WELL WATER OUARTERLY TRITIUM COMPOSITE _(DCi/l) 1988 CL-7 CL-12 Untreated CL-12 Treated 1st Qtr <183 <183 <183 2nd Qtr <182 <170 <170 3rd Qtr <174 <174 <174 4th Qtr <193 <193 <193 l f
~
169
TABLE D,-11 WELL WATER SEMIMONTHLY IODINE ACTIVITY JDCi/1) Date ,CL-7 CL-12 Untreated CL-12 Treated 01/06/88 <0.3 <0.5 <0.5 01/20/88 <0.2- <0.2 <0.2 02/03/88 <0.2 <0.2 <0.2 02/17/88 <0.2 <0.2 <0.5 03/02/88 <0.2 <0.2 < 0. 2. 03/16/88 <0.2 <0.2 <0.2 03/30/88 <0.3 <0.3 <0.3 04/13/88 <0.2 <0.2 <0.2 ' 04/27/88 <0.2 <0.2 <0.2 05/11/88 <0.2 <0.2 <0.2 05/25/88 <0.8 <0.5 <0.6 j 06/08/88 <0.4 <0.5 <0.4 j 06/22/88 <0.2 <0.2 <0.3 07/06/88 <0.4 <0.3 <0.3 07/20/88 <0.2 <0.4 <0.3 08/03/88 <0.2 <0.3 <0.2 08/17/88 <0.3 <0.4 <0,5 ; 08/31/88 <0.2 <0.2 <0.2 09/14/88 <0.4 <0.4 <0.4 09/28/88 <0.2 <0.2 < 0., 2 .; 10/12/88 <0.3 <0.3 <0.3 10/26/88 <0.2 <0.3 <0.3 11/09/88 <0.4 <0.3 <0.2 11/23/88 <0.3 <0.2 <0.2 12/07/88 <0.2 <0.3 <0.2 12/21/88 <0.2 <0.2 <0.2 3 1 4 170 j
TABLE 0-14 VEtt WATER MONThtY CO#0 SITE ACTIVITY CL 7 (oCI/t ) Collection Period: January February March April y M Lynle Gross Alpha <1.3 <0.8 <1.1 <0.8 <0.7 1.4:0.5 Gross Beta 2.621.1 1.9:0.9 1.020.9 1.6:0.5 2.020.5 2.320.5 Be 7 <22.9 <16.7 <15.2 <16.1 <18.9 <17. 5 K-40 <30.8 <40.7 <25.9 <41.8 <23.5 <23.6 Mn-54 <2.0 <1.7 <1.4 <1.7 <2.2 <1.4 Fe-59 <6.7 <4.2 <4.2 <4.1 <5.7 <5.3 Co-58 <2.4 <1.9 <1.6 <2.0 <2.7 <1.7 Co 60 <2.4 <1.9 <1.6 <1.6 <2.4 <1.6 Zn-65 <3.8 <3.9 <3.3 <3.8 <4.8 <3.0 Nb 95 <2.4 <2.2 <1.6 <2.2 <2.9 <2.1 2r 95 <4.5 <3.3 <3.0 <3.3 <4.3 <3.2 Cs-134 <1.9 <1,8 <1.4 <1.8 <2.1 <1.4 i Cs 137 <2.2 <1.9 <1.7 <1.8 <2.1 <1.6 Ba 140' < T.6 <6.7 4. 2 <6.6 <7.1 <4.6 La 140* <2.1 <2.1 <2.4 <2.1 <2.5 <1.6 Ce 144 <15.6 <13.9 <12.4 <13.3 <12.7 <15.6 Collection Period: M August ??otember Qc.{pbeft November Decenber Gross Alpha <0.8 <0.9 <1.0 1.5s0.8 <0.7 1.1s0.5 Gross Beta 3.2s0.9 2.7:0.5 2.0 0.5 3.220.7 2.220.6 2.120.5 Be-7 <16,8 <19.8 <13.2 <15.7 <21.9 <21.2 K-40 <21.4 <22.4 <22.9 <34.0 <43.6 <33.8 Mn-54 <1.8 <2.3 <1.4 <1.5 <2.5 <2.2 Fe-59 <4.9 <4.9 <4.3 <3.9 <5.4 <5.5 cc. 58 <1.6 <P.3 <1.6 <1.6 <2.7 <2.3 Co-60 <1.4 <2.2 <1.8 <1.5 <2.1 <2.0 2n 65 <2.8 <5.1 <3.1 <3.6 <5.3 <4.4 Nb 95 <1.9 <2.5 <1.9 <1.8 <3.0 <2.9 2r 95 <2.8 <4.4 <2.9 <3.0 <5.0 <4.4 Cs 134 <1.3 <2.3 *1.2 <1.8 <2.3 <1.8 Cs 137 <1.6 <2.4 <1.6 <1.7 <2.5 <2.3 Ba 140" <4.2 <12.3 <5.3 <10.9 <8.2 <6.8 La 140' <1.6 <3.9 <1.7 <3.0 <1.8 <1.3 Ce 144 <14.9 <19.9 <12.5 <14.4 <22.6 <10.9 a LLD at time of counting. l 171
TABLE 0-15 WEtt WATER MONTHLY COMPOSITE ACTIV!TV CL-12 UNTREATED (oCi/l) l Collection Period: January February March April
& Lune Cross Alpha <2.6 <2.9 <2.3 <1.1 <1.6 <1.4 Gross Reta <3.1 2.2 1.5 <3.1 2.3:0.9 2.1:1.0 2.5:1.0 Be 7 <18.4 <16.2 <14.1 <34.3 <16.7 <19.3 K-40 <41.4 <26.2 <21.4 <44.2 <33.5 <21.9 Mn-54 <1.8 <1.9 <1.3 <2.6 <1.6 <2.0 Fe 59 <5.0 <4.3 <4.1 <7.9 <4.0 <6.0 Co-58 <2.0 <1.9 <1.5 <2.8 <1.7 <2.6 Co,60 <1.9 <2.0 <1.4 <2.7 <1.6 <2.4 2n 65 <4.1 <4.0 <2.7 <5.5 <3.5 <4.8 Nb-95 <2.4 <2.2 <1.5 <3.0 <2.1 <3.1 2r-95 <3.5 <3.4 <2.8 <5.3 <3.3 <4.1 Cs 134 <1.9 <1.9 <t.3 <2.5 <1.8 <2.1 Cs 137 <1.9 <2.0 <1.4 <3.0 <1.7 <2.1 Ba 140* <6.9 <6.8 <7.7 <9.2 <6.3 <6.7 La-140' <2.0 <2.0 <2.4 <2.4 <1.6 <2.3 Ce 144 <14.5 <14.5 <11.3 <26.8 <14.8 <12.4 Collection Period: July August September October November December Gross Alpha <1.6 <1.5 1.5 1.0 <1.5 <1.4 <1.5 Gross Beta 2.021.0 2.620.9 2.4t0.9 4.2 1.0 <1.4 <1.4 Be-7 <25.8 <15.8 <16.3 <26.1 <16.3 <34.6 K 40 <20.8 <27.6 <38.1 <22.5 <34.5 <36.3 Mn-54 <2.3 <1.6 <1.8 <2.5 <2.0 <2.8 Fe-59 <6.8 <4.4 <4.0 <5.5 <4.6 <8.4 Co 58 <2.9 <1.6 <2.0 <2.8 <2.0 <3.1 Co 60 <2.3 <1.8 <1.8 <2.6 <2.1 <2.7 2n 65 <5.5 <3.3 <3.9 <5.6 <4.6 <5.8 Nb 95 <3.8 <1.7 <2.1 <3.0 <3.7 <4.1 2r-95 <5.2 <2.8 <3.4 <5.0 <3.5 <6.1 Cs-134 <2.3 <1.4 <1.9 <2.8 <2.2 <3.0 Cs 137 <2.4 <1.6 <1.9 <2.9 <1.9 <3.2 Ba-140' <8.0 <8.5 <11.6 <15.7 <6.3 <10.7 La-140' <2.6 <2.8 <3.2 <4.1 <2.2 <2.4 Ce-144 <20.3 <14.5 <14.6 <28.5 <11.7 <29.0 a LLD at time of counting.
l 172
1 1 1 TABLE 0 16 '
.WELL WATER MONTHLY COMPOSITE ACTIVITY.
CL-12 TREATED (DCf/() l 1 Collection Perlod: January February . March . Agtri,,1 ,M.ay ),yng 1
-]
Gross Alpha ' <2.7 <1.8 <2.4 ' <1.5' <1.6 ' <1.6 I Gross Beta 3.4 2.0 2.6:1.7 .<3.1 2.6 0.9 1.420.9- 3.621.0 Be <30.9 <28.6 <15.1 <19.1 <20.3 <36.9 K-40 <42.2 <44.0 <38.1 <42.7- 87.9217.5 <43.5 Mn-54' <2.4 <2.7 <1.7' <2.1 <2.0 <2.8 Fe 59 ' <7.1 <5.9 - <3.8 <4.8 <4.7 <8.3, co 58 <2.8 <2.6 <1.9 <2.4 : ~< 2.2 <3.3 co-60 <2.5 <2.6 <1.6 <2.0:
<2.1 <2.6' 2n-65 ' <5.4 <5.0 <3.8 <4.4 <4.7 <5.<
Nb-95 <3.2 <2.9 <1.9 <2.6 <3.0 4.2 l 2r-95 <5.5 <5.1 <3.2 c4.1 <4.3 <5.8' l Cs 134 <2.5 <2.4 <1.6- <2.0 ' <2.1 <2.6 Cs 137 <3.0 <2.9 <1.8 <2.2 <2.1 <3.0: Be 140* <10.5 <9.0 <6.2' <6.9 0.5 [ <9.6 La 140* <2.5 <2.2 <2.2 <2.0- <2.4 <2.0 co 144 <24.8 <24.4 <13.4 <18.4 <15.9 <27.0 Collectfon Period: 'Julv August September October . November December-- Gross Alpha <0.9 <1.4 <1.5 <1.6 <1.6 <1.7-Grose Beta 1.8 0.5 3.6t0.9 3.0:1.0 3.221.1 3.320.9 3.5:1.0 Be-7 <22.8 <18.9 <15.7 <23.8 <17.1 . <24.2 K 40 <38.2 86.5 16.1 <33.3 <22.9 <43.7 :<43.6 Mn 54 <1.9 <2.2 <1,9 <2.3 <1.7 <2.3 Fe 59 <6.9 <4.7 44 . 2 <4.8 .<4.3 <$.9 Co 58 <2.9 <2.3 <2.1 <2.4 <1.9= <2.7 Co 60 <2.4 <2.3 <2.0 <2.2 <2.9 <2.3 2n-65 <4.6 <4.6 <4.5 <4.8 <4.0 <5.2 Nb-95 <2.6 <2.4 <2.2 <2.7 <2.1 <3.4 2r 95 <4.9 <4.1 <3.4 <4.6 <3.7- <5.1 Cs 134 <2.4 <2.0 <2.0 <2.4 <1.8 <2.3 Cs 137 <2.6 <2.2 <1.9 <2.6 <2.0 <2.5 - Ba 140* <7.2 <12.9 <10.6 <14.9 <6.2 <8,1 La-140* <1.9 <4.2 <4.2 <4.2 <1.8 <1.9 Ce 144 <19.9 <18.8 <11.6 <25.2 <14.8 <22.8' a LLD at time of counting.
]
-k 1'
l 1
)
173
TABLE 0 17 1 1 02fNtfWG WATER ACT!VITY - CL-14 (oCf/l) Date Collected: 01/27/88 02/24/88 03/30/88 04/27/88 05/25/88 06/20/88 Gross Alpha <0.3 <0.6 <0.4 <0.2 <0.2 <0.2 Gross Beta 1.5 0.3 1.220.3 1.120.3 1.7t0.2 1.920.2 1.6 0.2 Be-7 <11.4 <13.1 <15.6 <31.8 <22.6 <29.1 K 40 <19.2 <33.0 <33.8 <41.2 <51.3 <40.2 Mn-54 <1.1 <1.6 <1.8 <2.6 <1.7 <2.7 Fe-59 <3.2 <3.5 <4.6 <6.8 <2.5 <6.5 Co-58 <1.2 <1.8 <2.1 <2.8 <2.7 <2.8 Co 60 <1.2 <2.8 <1.9 <2.7 <2.7 <2.9 Zn 65 <2.8 <4.1 <4.7 <5.5 <6.0 <5.4 Nb-95 <1.3 <1.8 <2.1 <2.7 <3.1 <2.9 Zr-95 <2.3 <3.0 <3.8 <5.2 <4.8 <4.7 Cs 134 <1.1 <1.7 <2.1 <2.5 <2.7 <2.7 Cs-137 <1.4 <1.7 <1.9 <2.8 <2.8 <2.7 Ba-140' <4.6 <5.6 <6.3 <6.1 <9.0 <10.1 La 140' <1.4 <2.1 <2.2 <1.8 <2.9 <2.0 Ce-144 <10.2 <10.6 <11.9 424.7 <22.8 <25.6 l 0 Date Collected: 07/27/8P 08/31/88 09/28/88 10/26/88 l 11/30/88 V38/M i l Gross Alpha <0.3 <0.3 <0.3 <0.4 <0.5 <0.6 Gross Beta 1.9t0.2 1.820.4 2.320.2 2.020.4 1.6t0.3 2.220.6 Be-7 <42.6 <11.6 <14.4 <12.8 c12.6 <8.8 K 40 <40.5 <41.5 <23.2 <22.8 <31.6 <14.6 Mn-54 <3.5 <1.8 <1.2 <1.3 <1.4 <0.9 , Fe-59 <10.5 <2.4 <3.6 <3.4 <3.0 <2.5 l Co 58 <4.0 <1.6 <1.5 <1.6 <1.5 <1.0 Co-60 <3.0 <i.8 <1.5 <1.6 <1.5 <1.0 2n-65 <7.4 <3.8 <3.2 <3.4 <3.3 <1.8 Nb 95 <4.4 <1.3 <1.6 <2.1 <1.5 <1.0 Zr 95 <7.5 <2.5 <2.6 <2.9 <2.8 <1.7 Cs 134 <3.5 <1.9 <1.4 <1.3 <1.6 <0.8 Cs-137 <3.2 <1.9 <1.5 <1.3 <1.6 <1.1 Ba 140' <13.0 <2.8 <6.5 < 7.9 a <5.5 <3.5 La-140 <2.6 <0.9 <1.8 <2.1 <1.5 <1.1 Ce 144 <29.4 <13.3 <13.7 <12.8 <13.3 <8.0 a LLD at time of counting. l 174
l
.. j
\
TABLE D-18 ! DRINKING WATER OUARTERLY TRITIUM COMPOSITE (DCi/1) i 1988 CL-14 t 1st Qtr <183~ 2nd Qtr <174 ; 3rd Qtr <174' i l 4th Qtr. <193 ) i
-i I
1 I i 175 ;
TABLE D-19 MitK ACTfVITY CL-116 (oCI/l) Date Collected: 01/27/88 02/24/88 0)(30/88 04/27/88 05/11/88 sr-90 . 2.620.4 2.420.6 2.020.5 1.720.8 2.320.4 l 131 D
<0.5 <0.5 <0.5 <0.5 <2.8 Bo 7 <23.4 <15.3 <16.6 <19.0 <29.9 K 40 1250t50 1180t50 1200260 1240t60 1280t80 Mn 54 <2.4 <1.8 <2.2 <2.6 <3.0 Fe-59 <5.8 <5.6 <5.3 <6.0 <7.7 Co-58 <2.3 <1.8 <2.2 <2.5 <3.1 j Co 60 <2.5 <2.1 <2.3 <2.7 <3.1 j 2n-65 <5.9 <4.6 <5.5 <6.3 <7.4 Nb-95 <2.3 <2.0 <2.3 <2.6 <3.0
=
Zr 95 <4.2 <3.1 <3.6 <4.6 <5.6 Cs 134 <2.2 <1.6 <2.1 <2.4 <2.8 Cs 137 <2.6 <2.0 <2.3 <2.6 <3.2 Ba-140' <9.3 <5.7 <7.9 <8.2 <10.4 i La-140' <2.0 <1.5 <2.1 <2.3 <2.0 l Ce 144 <21.3 <13.3 <15.1 <19.8 <27.6 I l l Date Collected: 05/25/88 06/08/88, 06/22/88 07/06/88 07/20/88 Sr 90 2.620.4 3.4 1.0 1.9t0.4 0.4t0.2 2.820.5 I 131 <0.5 <0.5 <0.5 <0,5 <0.5 Be-7 <19.1 <30.6 <17.6 <19.1 <18.7 K 40 1270270 1220180 1270270 1310270 1370260 Mn 54 <2.7 <3.0 <2.3 <2.5 <2.5 Fe-59 <7.7 <7.8 <5.4 <5.7 <5.7 Co-58 <2.8 <3.3 <2.4 <2.6 <2.4 Co 60 <3.4 <3.2 <2.6 <3.0 <2.8 2n-65 <7.9 <7.0 <6.1 <6.1 <6.3 Nb 95 <2.9 <3.1 <2.4 <2.7 <2.5 l Zr-95 <5.0 <5.6 <3.9 <4.2 <4.5 I Cs 134 <2.6 <2.8 <2.2 <2.4 <2.4 Cs 137 <2.7 <3.3 <2.3 <2.6 <2.6 Ba-140' <8.6 <12.2 <8.3 <8.4 <8.4 La 140* <3.0 <2.5 <2.0 <2.6 <2.3 Ce 144 <14.7 <2 7. 6 <16.5 <17.3 <19.8 a LLD at time of counting b LLD not reached due to relocation of lab ard subsequent delays in counting ' { 176
Jf)LE D 19 (Cont'd) Date Collected: 08/03/88 08/17/b,? 18/31/8$ 09/14/88 09/28/88 sr-90 1.640.5 1.320.4 1.320.3 2.0t0.6 2.420.6 I-131 <0.5 <0.5 <0.5 <0.5 <0.5 Be-7 <21.2 <19.1 <19.8 <16.7 <19.1 K 40 1330160 1290270 1360t50 1240260 1340160 Mn 54 <2.6 <2.5 <2.0 <2.4 <2.5 Fe 59 <6.2 <5.7 <6.0 <6.2 <5.9 Co-58 <2.7 <2.6 <2.2 <2.4 <2.5 Co-60 <2.7 <2.7 <2.1 <2.8 <2.8 2n 65 <6.4 <6.0 <4.9 <6.8 <6.4 Nb 95 <2.9 <2.7 <2.8 <2.2 <2.6 2r 95 <5.0 <4.1 <4.2 <4.3 <4.6 Cs 134 <2.3 <2.3 <2.1 <2.2 <2.4 Cs 137 <2.7 <2.4 <2.0 <2.4 <2.7 Ba 140' <12.8 <13.0 <7.2 <8.0 <9.3 La 140* <4.0 <3.0 <1.8 <2.5 <2.8 Ce 144 <21.2 <16.8 413.. <12.7 <20.5 Date Collected: 10/12/88 10/26/88 11/30/88 12/28/88 Sr-90 1.520.4 1.320.4 1.5t0.4 1.120.4 1 131 <0.5 <0.5 <0,5 <0.5 Be-7 <12.5 <17.4 <15.7 <23.0 K 40 1240:50 1180t60 1200260 1130260 Mn-54 <1.8 <2.3 <2.3 <2.8 Fe-59 <4.7 <5.1 <6.0 <6.8 Co 58 <2.0 <2.3 <2.2 <2.9 Co 60 <2.2 <2.4 <2.6 <2.9 Zn 65 <4.8 <5.7 <6.5 <7.1 l Nb-95 <1.8 <2.3 <2.3 <3.0 l 2r 95 <3.2 <3.7 <4.0 <5.0 Cs 134 <1.7 <2.1 <2.2 <2.6 Cs-137 <1.8 <2.2 <2.4 <3.0 Ba 140' <6.8 <10.2 <T.C <9.6 La-140* <2.0 <2.8 <2.2 <1.9 Ce 144 <9.9 <16.0 <12.6 <2.4 a LLD at time of counting I l 177
TABLE D-20 GRASS ACTIVITY - CL 1 foCf/o wet) ! Date Collected: 01/77/88 02/24/88 03/30/88 04/27/88 05/11/88 Be 7 7.7110.17 8.97:0.41 4.86:0.16 10.8810.26 9.47t0.21 K 40 0.97:0.12 1.77:0.38 0.8020.13 3.25 0.24 0.96 0.25 Mn 54 <0.011 <0.017 <0.0068 <0.0091 <0.012 Fe-59 <0.024 +0.037 <0.015 <0.021 <0.038 Co 58 <0.011 <0.019 <0.0062 <0.0087 <0.020 co 60 <0.019 <0.020 <0.0067 <0.0097 <0.021 2n-65 <0.028 <0.038 <0.012 <0.020 <0.042 Nb-95 <0.011 <0.020 <0.0067 <0.0095 <0.018 2r 95 <0.019 <0.036 <0.012 <0.016 <0.032 I 131 <0.014 <0.027 <0.012 <0.015 <0.026 Cs 134 <0.011 <0.019 <0.0061 <0.0079 <0.017 j Cs-137 <0.012 <0.024 <0.0079 0.01420.010 <0.021 8 Ba-140 <0.037 <0.078 <0.033 <0.033 <0.068 a La 140 <0.016 <0.018 <0.0080 <0.0080 <0.020 i ce-144 <0.059 <0.18 <0.060 <0.068 <0.078 Date Collected: 05/25/88 06/08/88 06/22/88 07/06/88 07/20/88 Be 7 0.35:0.05 0.66s0.087 0.4920.079 0.5420.078 1.58t0.14 i K 40 5.10:0.23 8.5040.39 8.96s0.44 8.13 0.37 8.63:0.46 Hn-54 <0.0091 <0.013 <0.014 <0.013 <0.019 i Fe 59 <0.024 <G.034 <0.032 <0.033 <0.046 Co'58 <0.0095 l
<0.0?3 <0.014 <0.014 <0.020 Co-60 <0.010 <0.01a
}
<0.016 <0.015 <0.020 Zn 65 <0.0025 <0.033 ]
<0.036 <0.036 <0.056 Nb-95 <0.0094 <0.014 <0.014 <0.014 <0.020 Zr-95 <0.016 <0.024 <0.023 <0.025 <0.033 i 1 131 <0.012 <0.023 <0.016 <0.020 <0.026 5 Cs 134 <0.0082 <0.012 <0.014 <0.012 <0.020 Cs 137 <0.0085 <0.013
)
<0.014 <0.014 <0.018 1 Ba-140* <0.028 <0.045 <0.046 <0.044 <0.060 La-140' <0.072 <0.012 <0.012 <0.014 <0.019 Ce-144 <0.040 <0.092 <0.079 <0.098 <0.088 a LLD at time of counting i
l 178
TABLE 0-20 (Cont'd) Date Collected: 08/03/88 08/17/88 08/31/88 09/14/88 Be 7 1.2920.087 1.2220.11 1.3320.07 0.7720.10 K-40 4.8720.24 6.2820.35 7.89 0.27 7.00:0.41 Mn-54 <0.0095 <0.013 <0.008 <0.014 Fe 59 <0.027 <0.033 <0.020 <0.035 Co 58 <0.011 <0.014 <0.007 <0.014 Co-60 <0.011 <0.014 <0.008 <0.015 Zn-65 <0.028 <0.034 <0.020 <0.038 Nb 95 <0.010 <0.016 <0.008 <0.015 Zr-95 <0.018 <0.024 <0.013 <0.024 1 131 <0.014 <0.028 <0.012 <0.020 Cs-134 <0.0094 <0.014 <0.008 <0.014 Cs 137 <0.0099 <0.014 <0.008 <0.014 a Ba 140 <0.042 <0.076 <0.036 <0.063 La-140* <0.014 <0.021 <0.008 <0.016 Ce-144 <0.046 <0.084 <0.053 <0.079 Date Collected: 09/28/88 10/12/88 10/26/88 11/30/88 Be-7 0.8220.07 0.79:0.10 2.1120.11 5.3720.i8 K 40 5.3920.27 6.55t0.24 5.01:0.24 4.0020.23 Mn-54 <0.008 <0.008 <0.012 <0.009 Fe 59 <0.019 <0.024 <0.027 <0.022 Co 58 <0.008 <0.007 <0.012 <0.009 Co-60 <0.009 <0.010 <0.012 <0.010 2n 65 <0.023 <0.022 <0.028 <0.021 Nb 95 <0.009 <0.010 <0.013 <0.009 Zr 95 <0.014 <0.015 <0.021 <0.016 1-131 <0.010 <0.012 <0.022 <0.011 Cs-134 <0.009 <0.006 <0.012 <0.008 Cs 137 <0.009 <0.008 <0.013 0.024 0.010 Ba 140 a <0.034 <0.036 a
<0.061 <0.030 La 140 <0.009 <0.008 <0.016 <0.007 Ce-144 <0.054 <0.053 <0.11 <0.063 a LLD at time of counting l
179
f TABLE 0 21 GRASS ACTIVITY CL 2 foCf/a wet) Date Collected: 01/27/88 02/24/88 03/30/58 Q4/27/$$ 05/11/88 Be-7 3.84:0,11 10.120.32 5.00:0.14 6.50 0.25 1.0020.07 K 40 0.98 0.12 2.24:0.26 1.25:0.11 5.70 0.37 5.24:0.25 Mn 54 <0.0073 <0.014 <0.0049 <0.016 -<0.0084 j Fe 59 <0.0014 <0.028 <0.011 <0.044 . <0.020 Co 58 <0.0072 <0.013 <0.0055 <0.018 <0.0082 Co 60 <0.0066 <0.014 <0.0048 <0.019 <0.0093 I Zn 65 <0.0016 <0.032 <0.012 <0.044 <0.023 Nb-95 <0.0073 <0.014 <0.0054 <0.017 <0.0086 Zr 95 <0.0012 <0.024' <0.0090 <0.029' <0.015 I 131 <0.0094 <0.018 <0.0092 <0.025 <0.0090 Cs 134 <0.0076 <0.014 <0.0051 <0.016' <0.0079 Cs 137 <P.0075 <0.014 <0.0054 <0.016 <0.0089 a Ba 140 (0.024 <0.05 7 <0.018 <0.053- <0.029 La 140' <0.0076 <0.015 <0.0049 <0.017' <0.0083-Ce 144 <0.052 <0.098 <0.038 <0.084 <0.064 l Date Collected: 05/25/88 06/08/B8 06/22/88 07/06/88 07/20/88 Be 7 1.2910.09 0.3320.061 0.4820.086 0.75to.12 0.8520.090 K-40 8.70 0.32 5.06:0.24 7.8020.38 6.31:0.30 5.71:0.31 Mn-54 <0.010 <0.010 <0.016- <0.010 <0.011 fe 59 <?.025 <0.025 <0.035 <0.026- <0.028 Co 58 <0.0J94 <0.011 <0.015 <0.0090 <0.012 Co-60 <0.010 <0.010 <0.016 <0.011 <0.012 Zn-65 <0.026 <0.027 <0.038 <0.026 <0.029 Nb-95 <0.010 <0.012 <0.016 <0.010 <0.013 2r 95 <0.018 <0.019 <0.028 <0.020 <0.019 I-131 <0.017 <0.021 <0.020 <0.014 <0.021 Cs 134 <0.011 <0.0098 <0.015 <0.0092 <0.012 Cs-137 <0.010 <0.010 <0.016 <0.011 <0.012 l Ba 140' <0.035 <0.034 <0.054 <0.039 <0. 040 i a La 140 <0.0093 <0.0092 <0.016 <0.0096 <0.012 Ce 144 <0.071 <0.076 <0.11 <0.075 <0.069 a LLD at time of counting s 180 ; i
TABM 0-21 (Cont'd) Date Collected: 08/0)(F,,8 08/17/88 08/31/88 09/14/88 se 7 0.5720.055 1.4320.14 1.6340.10 1.23:0.13 K 40 7.4320.27 5.8920.38 7.6740.34 7.56to.34 Mn-54 <0.0080 <0.019 <0.012 <0.011 Fe 59 <0.020 <0.050 <0.030 <0.032 Co-58 <0.0078 <0.020 <0.013 <0.011 Co 60 <0.0082 <0.021 <0.013 <0.012 Zn-65 <0.021 <0.052 <0.032 <0.029 Nb-95 <0.0082 <0.021 <0.013 <0.012 2r-95 <0.014 <0.034 <0.023 <0.020 I 131 <0.013 <0.033 <0.020 <0.016 Cs 134 <0.0082 <0.019 <0.012 <0.009 Cs-137 <0.0082 <0.019 <0.013 8 <0.012 Ba-140 <0.040 <0.094 <0.059 <0.054 La 140' <0.0095 <0.032 <0.016 <0.013 Ce 144 <0.054 <0.091 <0.090 <0.082 Date Cottected: 09/28/88 10/12/88 10/26/88 11/30/88 Be 7 1.3840.10 1.1520.10 2.01:0.12 6.3020.15 K-40 4.7920.27 5.74 0.30 6.71:0.36 3.9120.18 Mn-54 <0.012 <0.011 <0.011 <0.008 Fe 59 <0.029 <0.029 <0.028 <0.017 0o-58 <0.012 <0.012 <0.012 <0.008 Co 60 <0.013 <0.012 <0.012 <0.007 Zn 65 <0.032 <0.032 <0.032 <0.019 Nb 95 <0.012 <0.012 <0.013 <0.008 Zr 95 <0.020 <0.020 <0.020 <0.013 1-131 <0.012 <0.014 <0.018 <0.011 Cs 1". <0.011 <0.012 <0.012 <0.008 Cs 137 <0.012 <0.012 8 <0.012 <0.008 Ba 140 <0.043 <0.044 8 <0.056 <0.027 La 140 <0.013 <0.016 <0.017 <0.006 Ce-144 <0.056 <0.054 <0.072 <0.057 a LLD at time of counting 181
TABLE D-22 C# ASS ACTIVITY - CL-8 (oCI/o wet) Cate Collected: 01/27/88 02/24/88 03/30/88 04/27/88 05/11/88 Be-7 6.4720.23 10.420.39 12.420.29 2.7720.19 0.86 0.049 K 40 1.62:0.22 1.87 0.39 2.3929 22 6.1220.28 5.5320.20 Mn-54 <0.010 <0.018 <0.00 <0.011 <0.0056 Fe 59 <0.027 <0.037 <0.025 <0.028 <0.013 Co 58 <0.010 <0.018 <0.P*' <0.011 <0.0056 Co-60 <0.011 <0.018 <0.011 * .010 <0.0059 Zn 65 <0.022 <0.039 <0.024 <0.026 <0.014 Nb 95 <0.012 <0.018 <0.011 <0.011 <0.0052 Zr 95 <0.016 <",.032 <0.018 <0.019 <0.0096 I-131 <0.013 <0.027 <0.018 <0.018 <0.0064 Cs-134 <0.010 <0.016 <0.0098 <0.0093 <0.0057 Cs 137 <0.013 <0.022 <0.012 <0.012 <0.0058 Ba-140" <0.006 <0.058 <0.046 <0.053 <0.021 La 140' <0.011 <0.012 <0.011 <0.0095 <0.0048 Ce-144 <0.076 <0.16 <0.082 <0.066 <0.043 j Date Collected: 05/25/88 06/08/88 06/22/88 07/06/88 07/20/88 Be-7 0.2520.041 0.27 0.053 <0.22 0.33t0.070 ' O.49 0.10 K-40 2.84 0.13 6.1220.29 8.1720.48 7.3820.36 5.64:0.28 Mn-54 <0.0065 <0.0093 <0.018 <0.012 <0.0088 Fe 59 <0.012 <0.022 <0. 043 <0.035 <0.028 Co-58 <0.0040 <0.0098 <0.018 <0.014 <0.C11 Co 60 <0.0048 <0.0096 <0.018 <0.014 <0.0098 2n 65 <0.012 <0.023 <0. 045 <0.036 <0.027 Nb-95 <0.0040 <0.010 <0.018 <0.013 <0.011 2r 95 <0.0080 <0.017 <0.034 <0.023 <0.017 l 131 <0.0059 <0.017 <0.024 <0.017 <0.015 Cs-134 <0. 0037 <0.0089 <0.017 <0.012 <0.0082 Cs-137 <0.0043 <0.0088 <0.021 <0.013 <0.010 Ba 140' <0.014 <0.030 <0. 073 <0.040 <0.032 La 140" <0.0035 <0.0079 <0.014 <0.012 <0.0082 Ce 144 <0.030 <0.053 <0.15 <0.057 <0.072 l a LLD at time of counting f 182
TABLE 0-22 (Cont'd) i i Date Collected: 08/03/88 08/17/88 08/31/88 09/14/88 se-7 0.30:0.075 1.54:0.13 1.69:0.13 1.46to.10 K 40 6.3620.24 7.3520.37 4.96 0.25 6.11:0.31 Mn 54 <0.0070 <0.016 <0.008 <0.012 Fe 59 <0.022 <0.041 <0.023 <0.032 Co 58 <0.0070 <0.017 <0.008 <0.013 Co 60 <0.0076 <0.017 <0.008 <0.015 Zn 65 <0.019 <0.044 <0.020 <0.035 Nb 95 <0.0075 <0.019 <0.008 <0.013 Zr-95 <0.012 <0.031 <0.014 <0.022 1 131 <0.011 <0.032 <0.012 <0.017 3 Cs-134 <0.0060 <0.016 <0.007 <0.012 ) Cs 137 0.042 0.0097 <0.017 <0.010 <0.012 1 Ba-140' <0.034 <0.086 <0.036 <0.054 } La 140" <0.0093 <0.025 <0.009 <0.017 Ce 144 <0.054 <0.012 <0.059 <0.057
] .
Date collected: 09/26/88 10/12/88 10/26/88 11/30/88 Be T 1.1C:0,08 0.8640.07 1.51 0.09 4.3220.17 K 40 6.91s0.31 8.1020.33 7.8420.34 5.4220.29 Mn 54 <0.012 <0.011 <0.010 <0.011 Fe 59 <0.026 <0.025 <0.029 f
<0.027 Co-58 <0.011 <0.010 <0.011 <0.011 Co 60 <0.012 <0.011 <0.013 <0.012 Zn-65 <0.029 <0.027 <0.032 <0.030 Nb 95 <0.011 <0.011 <0.011 <0.012 Zr 95 <0.021 <0.019 <0.020 <0.019 5
I-131 <0.013 <0.014 <0.015 <0.012 l Cs-134 <0.011 <0.010 <0.010 <0.011 Cs-137 <0.012 <0.011 <0.010 8 <0.011 ) Ba 140 <0.043 <0.043 <0.044 <0.033 La 140' <0.012 <0.012 <0.012 <0.010 ' co 144 <0.083 <0.075 <0.048 <0.052 a LLD at time of counting 183 l
l l TABLE D-23 C# ASS ACTIVITY - CL 11 (oCf/a wet) Date Collected: 01/27/88 02/24/88 03/30/88 04/27/88 05/11/88 Se 7 10.20t0.34 12.40 0.33 7.99 0.20 1.8620.091: 0.3310.049 K 40' 2.40 0.27 2.03:0.22 2. 75t0.16 6.4620.29 6.85t0.30' Mn-54 <0.017 ' <0.013 <0.0072 <0.0078 <0.0084 Fe-59 <0.034 <0.028 <0.018 <0.019 <0.019 Co 58 <0.015 <0.013- <0.0082 <0.0079 <0.0082 Co 60 <0.016 <0.013 <0.0078 <0.0083 <0.0090 Zn 65 <0.039 <0.032 <0.020 <0.021 <0.022 Nb-95 <0.016 <0.013 <0.0082 <0.0086 <0.0082 2r-95 <0.028 <0.024 <0.014 <0.014 <0.014. 1 131 <0.019 <0.018 <0.013 <0.012 <0.0085 Cs-134 <0.017 <0.014 <0.0080 <0.0075 <0.0077 Cs 137 <0.017 <0.014 ~0.02520.006 <0.0079 <0.0081 Ba 140' <0.060 <0.056 <0.025 <0.026 <0.027 8 La 140 <0.019 <0.015 <0.0080 <0.0064 <0.0075 - Ce 144 <0.11 <0.11 (0.044 <0.046 <0.054
'l Date Collected: 05/25/88 0 06108,4Hg 06/22/88 07/06/88 07/20/88 Be-7 0.27 0.054 0.58 0.15 0.56t0.087 1.02:0,24 0.35to.051 K 40 5.45 0.29 7.61:0.33 7.55t0.36 8.0720.47 5.20to.24 Mn 54 <0.0093 <0.013 <0.014 <0.017 <0.0087 Fe 59 <0.022 <0.033 <0.034 <0. 042 <0.025 '
Co-58 <0.010 <0.013 <0.015 <0.017 <0.0094 Co-60 <0.0096 <0.012 '<0.015 <0.017 <0.010 i Zn 65 <0.024 <0.032 <0.037 <0.042 <0.027 Nb-95 <0.010 <0.014 <0.015 <0.018 <0.0095 Zr 95 <0.017 <0.022 <0.023 <0.031 <0.016 1-131 <0.014 <0.027 <0.020 <0.026 <0.013 Cs 134 <0.0093 <0.011 <0.014 <0.016 <0.0093 Cs 137 <0.0094 <0.013 <0.015 <0.018 a
<0.0088 Ba 140 <0.034 <0.045 <0.051 <0.061 8 <0.038 La-140 <0.0086 <0.0092 <0.013 <0.012 <0.012 Ce 144 <0.057 <0.098 <0.11 <0.14 <0.041 1 a LLD at time of counting l I
l 1 I i l i 1 184
m-
^
l l l l TABLE D-23 (Cont'd) Date Collected: 08/03/88 08/17/88 06/31/.66 09/14/88 Be 7 0.32 0.063 0.8420.095 0.9820.08: 0.75 0.08 K-40 -5.44:0.26 8.98 0.40 8.61:0.35 9.9320.40 Mn 54 <0.011 <0.015 <0.0111 <0.012 Fe-59 <0.027 <0.036 <0.032 <0.031 Co 58 <0.012 <0.015 <0.011 <0.012 Co 60 <0.011 <0.015 <0.013 <0.012 Zn-65 <0.029 <0.039 <0.033 <0.033- ! l Nb-95 <0.012 <0.016 <0.012 <0.012 Zr 95 <0.020 {
<0.028 <0.020 <0.022 1 131 <0.019 <0.023 <0.016 <0.018 Cs 134 <0.011 <0.014 <0.010 <0.011 Cs 137 <0.012 <0.016 <0.010 <0.012 Ba 140* <0.053 <0.069 <0.047 <0.054 s
La 140 <0.015 <0.017 <0.013 . <0.015 Co-144 <0.083 ' <0.10 <0.048 <0.084 Date Collected: 09/28/88 10/12/88 10/26/88 11/30/88 Se-7 ' O.86t0.07 1.05to.07- 3.01:0.13 4.77t0.16 K 40 6.8940.31 8.20 0.31 '7.4920.33 6.9220.32 Mn 54 <0.010 <0.0089 <0.014 <0.010 Fe-59 <0.026 <0.022 <0.031 <0.025 Co-58 <0.010 <0.0091 <0.014 <0.010 co-60 <0.011 <0.0095 <0.014 <0.010 Zn-65 <0.028 <0.023 <0.034 <0.028' Nb-95 <0.010 <0.0094 <0.015 <0.011 Zr 95 <0.018 <0.016 <0.024 <0.020 1 131 <0.012 <0.011 <0.023 <0.013' Ca 134 <0.011 <0.0082 <0.014 <0.011 i Cs-137 <0.010 <0.0092 <0.015 <0.011' Be 140' <0.033 <0.030 <0.068 <0.034 La 140' <0.011 <0.0083 <0.017 <0.010 Ce 144 <0.044 <0.065 <0.13 <0.069
l a LLO at time of counting 1
a 1
)
)
185 I
l TABLE 0-24 GREEN LEAFY VECETABLE ACTIVITY CL-111. (DCf/a wet) Sample Type: Lettuce Chard Cabbage Cabbage Lettuce Date Collected: 06/29/88 0,p/29/84 06/29/8$ 07/27/88 07/27/88 Gross Beta 3.220.1 5.4:0.1 4.8:0.2 3.020.3 1.120.1 Be-7 <0.11 <0.11 <0.074 <0.048 <0.080 K 40 3.7220.27 6.2620.28 3.7810.19 2.4220.13 3.9120.23 Mn 54 <0.013 <0.010 <0.0086 <0.0061 <0.0099 Fe-59 <0.037 <0.028 <0.022 <0.015 <0.021 Co 58 <0.016 <0.011 <0.0094 <0.0064 <0.010 Co-60 <0.015 <0.010 <0.0088 <0.0069 <0.0099 Zn 65 <0.039 <0.026 <0.022 <0.016 <0.023 Nb 95 <0.016 <0.011 <0.011 <0.0067 <0.010 Zr 95 <0.026 <0.019 <0.017 <0.012 <0.016 I 131 <0.038 <0.029 <0.025 <0.0092 <0.014 i Cs 134 <0.014 <0.0097 <0.0082 <0.0061 <0.0097 Cs-137 <0.014 <0.011 <0.0087 <0.0066 <0.011 l Be-140' <0.042 <0. 03 7 <0.028 <0.021 <0.035 a La 140 <0.015 <0.069 <0.018 <0.0040 <0.0084 Ce-144 <0.065 <0.079 <0.064 <0.040 <0.060 Sample Type: Chard Cabbage Chard Cabbage Chard a Date Collected: 07/27/88 08/31/88 08/31/88 09/28/88 09/26/68 , i Gross Beta 4.7 0.2 3.420.1 4.320.2 4.0 0.1 4.620.2 I Be-7 <0.036 <0.094 0.11t0.032 <0.029 <0.051 K-40 3.4620.14 2.3020.14 3.73:0.1 7 2.10.0.11 3.78:0.17 Mn 54 <0.0044 <0.0078 <0.0060 <0.004 <0.005 Fe-59 <0.010 <0.020 <0.017 <0.009 <0.018 Co-58 <0.0045 <0.0086 <0.0066 <0.004 <0.006 Co-60 <0.0047 <0.0077 <0.0071 <0.004 <0.005 Zn-65 <0.012 <0.018 <0.018 <0.010 <0.013 Nb 95 <0.0046 <0.0089 <0.0065 <0.004 <0.009 Zr-95 <0.0076 <0.016 <0.011 <0.007 <0.011 1-131 <0.0072 <0.017 <0.0093 <0.006 <0.076 Cs 134 <0.0048 <0.0078 <0.0057 <0.004 <0.004 Cs 137 <0.0047 <0.0073 <0.0059 <0.004 <0.005 Ba 140* <0.016 <0.055 <0.027 <0.018 <0.099 La-140' <0.0038 <0.0098 <0.0084 <0.005 <0.026 Ce-144 <0.032 <0.058 <0.029 <0.024 <0.030 a LLD at time of counting 186
l 7ABLE D 25 GREEN LEAFY VEGETABLE ACTIVITY - CL 115 (ocl/a we Q l Sample Type: Cabbage Chard Chard Cabbage Cabbage l Date Collected: 06/29/88 06/29/88 07/27/88 07/27/88 08/31/88 Gross Beta 4.120.2 3.2:0.4 1.6 0.1 3.5 0.2 4.50.2-8e 7 <0.12 - <0,28 .<0.12 <0.056 <0.10 l' K 40 4.18t0.30 3.60t0.50 4.87 0.31 2.8840.17 1.82:0.13 i Mn 54 <0.015 <0.031 <0.015' <0.0068 <0.0088 Fe 59 <0.037 <0.079 <0.032 <0.01'6- <0.020 Co 58 <0.016 <0.033 <0.014 <0.0073 <0.0090 Co-60 <0.016 <0.033 <0.015 <0.0074 <0.0084 2n-65 <0.036 <0.080 <0.036 ' <0.017 <0.018 Nb-95 <0.018 <0.039 <0.015 <0.0075 <0.0091 Zr 95 <0.029 <0.060 <0.025 <0.012 <0.018 I 131 <0.040 <0.096 <0.025 <0.011 <0.015 Cs 134 <0.015 <0.033 <0.015 <0.0068 -<0.0085 Cs 137 <0.016 <0.034 <0.015 <0.0069 <0.0085 l Be-140* <0.096 ' <0.11. <0.051 <0.024 <0.052 l La 140* <0.024 <0.031 <0.013 <0.0066 <0.0086 Ce 144 <0.087 <0.18 <0.095 <0.044 <0.063 Sample Type: Chard Cabbage' Chard Corn Date Collected: 08/31/88 09/28/8g 09/28/88 10/12/88 I Gross Beta 4.7 0.2 2.620.1 4.7 0.2 2.6 0.1 Be 7 <0.081 <0.023 <0.12 <0.098 K 40 5.98 0.26 1.66 0,08 3.57so.35 1.94:0.25 Mn 54 <0.0092 <0.003 <0.013 <0.010 Fe 59 <0.025 <0.006 <0.032 <0.037 Co 58 <0.011 <0.003 <0.013 <0.012 Co 60 l
<0.0097 <0.003 <0.014 <0.011 I Zn 65 <0.023 <0.007 <0.031 <0.025' Nb 95 <0.012 <0.003 <0.013 <0.015 I Zr-95 <0.019 <0.005 <0.024 <0.023 I 131 <0.032 <0.004 <0.014 <0.043 Cs 134 [
<0.0086 <0.003 <0.011 <0.009 Cs-137 l
<0.0094 <0.003 <0.015 <0.012 Ba 140* <0.070 <0.012 <0.055 {
<0.038 1
La-140* <0.019 <0.003 <0.012 <0.033 Ce 144 <0.069 <0.021 <0.077 <0.056 a LLD at time of counting '
'1 1
1 I 4 187 .. ; I 1
.a
TABLE 0-26 2,F(4 LEAFY VEGETABLE Activf fy - CL-117 f oCf /o wet) Sample Type: Cabbage Lettuce Chard Cabbage Lettuce Chard Oate Collected: 06/29/88 06/29/88 06/29/88 07/27/88 07/27/88 07/27/88 Gross Beta 3.820.3 4.420.2 8.020.3 5.020.2 7.920.2 5.0to.2 Se 7 <0.069 <0.25 <0.16 - <0.55 <0.10 - .0.1120.062 K 40 3.6420.18 5.55 0.56 11.020.28 4.0220.20 3.7620.23 8.05:0,27 Mn-54 <0.0078 <0.024 <0.022 <0.0075' ' <0.013 <0.0072 Fe 59 <0.021 <0.064 <0.063 <0.021 <0.028 <0.023 Co-58 <0.0084 <0.023 <0.026 <0.0083 <0.013 <0.0079 Co-60 <0.0080 <0.026 <0.024 <0.0087 <0.012 <0.0078 2n 65 <0.020 <0.055 <0.065 <0.022 <0.031 <0.022 ! Nb-95 <0.0093 <0.027 <0.026 <0.0082 <0.014 <0.0076 Zr 95 <0.016 <0.048 <0.043 <0.014. <0.024 <0.015 - 1 131 <0.025 <0.065 <0.056 <0.011 <0.020 <0.011 Cs 134 <0.0076 <0.024 <0.021 <0.0079 <0.013 <0.0065 Cs 137 <0.0084 <0.028 <0.021 <0.0077' <0.014 <0.0085 8 Ba 140 <0.026 <0.083 <0.064 <0.024 <0.045 <0.027. 8 La 140 <0.0071 <0.024 <0.022 <0.0079 . <0.014 <0.0070 ce 144 <0.058 <0.19 <0.097 <0.037 <0.099 <0.057 Sanple Type: Cabbage Lettuce Chard Cabbage- Chard Oate Collected: 08/31/8$ 08/31/88 08/31/88 09/28/88 09/28/88 Gross Beta 5.220.2 6.4to.3 7.820.3 2.820.1 2.020.1. Be 7 <0.10 0.4010.041 0.0920.02 <0.039 <0.035 K-40 2.96 0.17 7.6220.30 2.97 0,09- 1.8520.10 4.37 0,13 l Mn 54 <0.010 <0.0070 <0.0022 <0.005 <0.004 Fe-59 <0.025 <0.022 <0.013 <0.011 <0.010 Co 58 <0.010 <0.0076 <0.0036 <0.005 <0.004 Co-60 <0.010 <0.0079 <0.0021 <0.005 <0.004 2n-65 <0.022 <0.023 <0.0063 <0,012 <0.011 I Nb 95 <0.011 <0.0079 <0.0069 <0.305 <0.004 Zr 95 <0.019 <0.012 <0.0064 <0.006 <0.006 1 131 <0.018 <0.011 <0.048 <0.007 <0.004 Cs 134 .
<0.0094 <0.0068 <0.0019 <0.005 <0.003 Cs 137 <0.0088 <0.0068 <0.0019 <0.005 <0.004 s
Ba 140 <0.056 <0.032 <0.023 <0.022 <0.014 . La 140* <0.0098 <0.0082 <0.061 <0.005 -<0.003 Ce 144 <0.067 <0.030 <0.013 .<0.033 <0.026 3 l e LLD at time of counting 188 ,
'l 1
l l i TABLE D 27 l MEAT ACTIVffY CL-106 (oCf/a wet) 1 Date Collected: 02/10/88 02/10/88 02/10/88
. Type: Bovine Beef Bovine tiver. Bovine '5yroig l
l Be 7 - <0.035 <0.050.- <0.18 - , i K 40 1.6020.10 2.1920.14 0.21:0.73. J ! Mn 54 <0.0050 <0.0061 <0.028 Fe 59 <0.013- <0.016 ~<0.063 j Co 58 <0.0050 <0.0058 .<0.027 Co 60 <0.0080 <0.000 - <0.027 Zn-63 <0.015 <0.014 : <0.052 Mb-95 <0.0050 <0.0060 <0.028 Zr 95 <0.0090 <0.011 <0.050 Ru 103
<0.0043 <0.0062 <0.025 Ru 106 <0.041 ' <0.053 <0.21 1-131 <0.0049 <0.0075 <0.049 Cs 134 <0.0048 <0.0056 <0.022 Cs 137 <0.0051 <0.0065 <0.027 -
Ba 140* <0.017 <0.021 <0.087 'I La 140' <0.0056 <0.0045 <0.026-Ce 141 <0.0049 <0.0099 <0.029 Ce 144 <0.043 <0.0043 <0.11 a LLD at time of counting i 189
TABLE D-28 FISH ACTIVITY CL+19 (DCf /a wet) Date Collected: 04/19/88 04/19/88 04/19/88 04/19/88 Largemouth Type: Caro Bass CreDole Blueollt Be 7 <0.058 <0.11 <0.15 =0.14 K 40 2.21:0.15 2.87:0.20 3.33:0.30 2.5220.22 Mn-54 <0.0088 <0.0098 <0.018 <0.011 Fe 59 <0.016 <0.029 <0.060 <0.045 Co-58 <0.0081 <0.011 <0.021 <0.014 Co-60 <0.0092 <0.0079 <0.015 <0.0094 2n 65 <0.021 <0.024 <0.041 <0.025 Nb-95 <0. 0074 <0.012 <0.021 <0.016 Zr-95 <0.014 <0.021 <0.036 <0.026 1 Au-103 <0.0065 <0.014 +0.020 <0.020 ' Ru-106 <0.074 <0.084 <0.13 <0.090 i Cs 134 <0.0078 <0.0089 <0.014 <0.0096 ) Cs 137 <0.0085 <0.010 <0.015 <0.010 ! Ba 140' <0.017 <0.053 <0.064 <0.034 j La-140' <0.0050 <0.0081 <0.017 <0.0074 Ce 141 <0.011 <0.026 <0.023 <0.040 Ce 144 <0.054 <0.070 <0.068 <0.081 Date Cottected: 10/20/88 10/20/88 10/20/88 10/20/88 Largemouth Type: Bluenftl Caro cracole Bass i Be 7 <0.022 <0.15 <0.089 <0.096 K 40 1.9020.55 2.56 0.20 3.00:0.14 3.1620.21 Mn-54 <0.023 <0.013 <0.0072 <0.0086 Fe 59 <0.068 <0.047 <0.032 <0.036 Co 58 <0.029 <0.017 <0.010 <0.012 Co 60 <0.023 <0.012 <0.0076 <0.0089 Zn 65 <0.058 <0.034 <0.020 <0.024 Nb-95 <0.040 <0.025 <0.017 <0.018 2r 95 <0.054 <0.034 <0.019 <0.023 Ru-103 <0.033 <0.021 <0.013 <0.015 Ru 106 <0.21 <0.11 <0.066 <0.077 Cs 134 <0.022 <0.012 <0.0062 <0. 0079 Cs 137 <0.024 <0.013 <0.0071 <0.0083 Ba 140" <0.083 <0.042 <0.022 <0.025 La 140' <0.021 <0.012 <0.006 <0.0079 Ce 141 <0.046 <0.021 <0.027 <0.024 Ce-144 <0.13 <0.095 <0.048 <0.050 a LLD at time of counting 190t
i TABLE D 29 FISH ACTlvity - CL-105 (ocl/a wet) ) i a Date Collected: 04/20/88 D4/20/88 04/20/83 04/20/88 3 Largemouth Type: Corp Bass Cracole Bluegill l Be 7 <0.053 <0.081 <0.010 <0.15 l K 40 2.05:0.14 2.7520.18 2.8220.23 3.1920.25 Mn 54 <0.0057 <0.0084 <0.012 <0.017 Fe 59 <0.019 <0.023 <0.044 <0.056 Co-58 <0.0060 <0.0087 <0.013 <0.022 Co-60 <0.0057 <0.0076 <0.013 <0.017 Zn 65 <0.013 <0.018 <0.032 <0.041 Nb-95 <0.0063 <0.0093 <0.014 <0.020 2r 95 <0.011 <0.016 <0.028 <0.033 Ru-103 '<0.0070 <0.010 <0.016 <0.021 Ru-106 <0.044 <0.073 <0.098 <0.14 Cs-134 <0.0046 <0.0071 <0.0099 <0.014 Cs 137 <0.0058 <0.0076 <0.012 <0.016 Ba 140' <0.016 <0.025 <0.032 <0.049 La-140* <0.0039 <0.049 <0.0091 <0.013 Ce 141 <0.011 <0.0018 <0.019 <0.023 Ce-144 <0.032 <0.054 <0.058 <0.066 Date Collected: 10/19/88 10/19/88 10/19/88 10/19/88 Largemouth Type: Creoofe Bass Bluecitt Caro Be-7 <0.28 <0.31 <0.14 <0.044 K 40 3.4320.31 3.18 0.25 2.46 0.18 2.7220.10 Mn-54 <0.027 <0.026 <0.011 <0.0043 Fe-59 <0.11 <0.093 <0.045 <0.015 Co-58 <0.036 <0.034 <0.014 <0.0051 Co-60 <0.026 <0.022 <0.011 <0. 0044 2n-65 <C.061 <0.D60 <0.027 <0.012 Nb 95 <0.047 <0. 049 <0.023 <0.0072 2r-95 <0.061 <0.064 <0.027 <0.0095 Ru-103 <0.035 <0.045 <0.017 <0.0061 Ru-106 <0.21 <0.23 <0.089 l
<0.038 '
Cs 134 <0.022 <0.024 <0.0090 <0.0044 Cs 137 <0.024 <0.026 <0.010 <0.0D42 Ba 140* <0.083 <0.080 <0.035 <0.0078 l La 140* <0.021 <0.020 <0.0080 <0.018 l Ce 141 <0.042 <0.084 <0.022 <0.011 Ce 144 <0.093 <0.16 <0.044 <0.018 a LLD at time of counting j l 191 l b__________-______. - - -
I l i ! <j ' l l TABtE D-30 AoVAfft VECETATION ACTIV!TY - (DCf/c wet)
'1 I
Location: CL 7C CL-10 CL 19 CL 105 Date collected: 04/19/88 04/19/88 04/19/88 04/20/88
]
Be 7 '
<0.21 <0.35 0.6910.36 <0.14 K 40 0.7520.55 1.7220.78 1.69:0.48 , 1.6420.26 Mn 54 <0.025 <0.059' <0.034 <0.019 Fe 59 <0.065 <0.13 <0.062 <0.040 co 58 <0.027 <0.051 0.09020.037 ' <0.020 Co-60 <0.031 <0.058 0.081:0.028 <0.019 2n 65 <0.058 <0.12 <0.057 <0.043 Nb 95 <0.028 <0.051 <0.025 <0.020 2r 95 <0.053 <0.092 <0.047 <0.035 Co 134 <0.025 <0.045 <0.C24 <0.019 Cs 137 <0.031 <0.052 0.05720.022 <0.019 Be 140' <0.094 <0.16 <0.098 <0.062 La-140' <0.030 <0.049 <0.019 <0.020 Ce 144 <0.13 <0.17 <0.18 <0.12 !
'k Location: CL 7B CL 7C CL-9A CL 10 CL*19
! Date Collected: 06/29/85 06(29/8$ 06/29/88- 06/29/88 06/29/88 l Gross Beta 2.220.4 1.9to.4 2.4t0.5 2.220.4 3.420.6 : Be-7 <0.22 <0.16 <0.16 <0.19 <0.18 ; K-40 0.49 0.47 0.68to.33 1.40:0.27 0.60to.50 1.1820.42 Mn-54 <0.024 <0.021 <0.020 <0.027 0.05120.021 Fe 59 <0.055 <0.040 <0.042 <0.066 ' <0.057 Co 58 <0.023 <0.017 <0.020 <0.027 <0.023-Co 60 <0.025 <0.018 <0.020 <0.027 <0.024 ' 2n 65 <0.052 <0.029 <0.D48 <0.055 <0.045 Nb-95 <0.026 <0.020 <0.021 <0.027 <0.023 Zr-95 <0.044 <0.032 <0.035 <0.054 <0.038 l Cs 134 <0.020 <0.015 <0.022 <0.023 <0.018 Cs 137 <0.027 0.026 0.018 <0.021 <0.031 0.02520.017-Ba 140' <0.075 <0.062 <0.073 <0.084 <0.064 La 140' <0.019 <0.017 <0.019 <0.028 <0.019 Ce 144 <0.16 <0.11 <0.12 <0.13
.- <0.11 a LLD at time of counting a
192-
l l TABLE 0-30 (cont'd) Location: CL-TB CL-7C CL-9 CL 10 CL-19 Date Collected: 08/25/88' 08/25/88 08/25/88 08/25/88 08/25/88 I i Be 7 <0.18 '<0.42 0.6720.10 ' O.4220.097 0.7620.14 K-40 1.66:0.37 1.9120.56 2.85:0.23 2.47t0.24 ' 5.1820.36 Mn 54 <0.024 <0.053 0.14 0.016 <0.019 0.15 0.22 Fe 59 <0.040 <0.10 <0.,034 <0.042 <0.064 Co 58 <0.021 <0.047 <0.018 <0.019 <0.029 Co-60 <0.020- <0.045 <0.015 <0.020- <0.032 2n 65 - <0.038 <0.10 <0.044 <0.053 <0.072 - Nb-95 <0.020 <0.047 <0.019 <0.020' <0.031 2r 95 <0.032 <0.088 <0.030 <0.033 <0.055 Cs 134 <0.016 <0.045 <0.020 <0.022 <0.031 Cs 137 <0.022 <0.044 0.05220.013 <0.020 <0.030 Ba 140" <0.073 <0.17 <0.075 <0.072 <0.10 La 140' <0.018 <0.035 <0.022 . <0.027 <0.031-Ce 144 <0.11 <0.23 <0.086 <0.077 <0.17 Location: CL 78, CL 7C CL 9 CL 10 CL 19 CL 105 Date Collected: 10/20/88 10/20/88 10/20/88 10/20/88 10/20/88 10/19/88 Be-7 <0.26 <0.28 0.61t0.13 <0.60 1.22:0.27 <0.20 { K 40 1.5820.23 1.3420.23 1.6120.22 2.60 0.54 1.4620.33 2.21:0.22 Mn-54 <0.019 <0.019 <0.016 <0.036 <0.028 <0.015 Fe 59 <0.073 <0.064' <0.071 <0.15 <0.12 <0.058 Co 58 <0.027 <0.021 <0.024 <0.049 <0.037 <0.022 Co 60 <0.017 <0.016 <0.016 <0 033 <0.024 <0.014 2n 65 <0.047 <0.045
- f
<0.045 <0.072 <0.065 <0.039 Nb-95 <0.046 <0.052 <0.066 <0.080 <0.065 <0.056 I 2r 95 <0.053 <0.051 <0.043 <0.099 <0.074~ <0.041 .
Cs 134 <0.020 <0.018 <0.018 <0.030 <0.024 <0.016 3 Cs-137 <0.019 <0.016 0.04420.010 <0.049 <0.026 0.07420.011 a l B.+ 140 <0.059 <0.048 <0.045 <0.12 <0.067 <0.045 La 140' <0.016 <0.014- <0.016 <0.029 <0.020 <0.013 Ce 144 <0.13 <0.087 <0.065 <0.18 <0.10 <0.087
'd a LLD at time of counting
{ t
')
l 193 i i
TABLE 0-31 SHORftfNE SED 1 MENT ACflVITY foCf/a dev) Location: CL 78 CL*7C CL-10 CL 19 Date Cottected: 04/19/66 04/19/B9 04/19/68 04/19/88 cross Alpha 2.4:1.6 <2.6 <3.1 <2.4 Oross sets 7.421.5 7.5 1.3 11.222.3 7.321.6 sr 90 <0.029 <0.011 <0.014 <0.012 Be-7 <0.092 <0.054 <0.085 <0.099 K 40 6.7610.28 5.61:0.22 6.9710.31 5.82t.0.25 Mn 54 <0.013 <0.0076 <0.012 <0.0091 Fe 59 <0.336 <0.025 <0.035 <0.026 Co 58 <0.014 <0.0087 <0.014 <0.011 Co 60 <0.018 40.012 <0.018 <0.013 Zn 65 <0.038 <0.025 <0.030 <0.023 Nb 95 <0.018 <0.010 <0.014 <0.012 ' Zr 95 <0.025 <0.015 <0.0?5 <0.019 Cs 134 <0.015 <0.0094 <0.0093 <0.0081 Cs 137 <0.012 <0.0072 <0.011 <0.0096 Ba 140' <0.045 <0.027 <0.032 <0.033 8 l La-140. ,
<0.016 <0.010 <0.0075 <0.0055 Co 144 ' <0.073 <0.034 <0.060 <0.063 Ac 228 0.31 0,038 <0.029 0.1820.050 0.1620.04 81 212 <0.018 <0.095 <0.19 <0.14 81 214 <0.021 <0.013 <0.037 <0.029 Pb 212 0.32:0.018 0.1810.012 0.1820.016 0.13:0,025 Pb 214 0.23 0.020 0.13:0.011 0.15 0.025 0.1310.023 Ra 226 0.54:0.15 0.2240.077 0.4910.16 0.3910.17 TL 208 0.3020.028 0.12:0.017 0.21:0,037 0.1410.033 o LLD at time of counting 194
TABLE D 31 (Cont 8d) i Location: CL 88 CL 89 CL 93 CL 105 Date Collected: 04/19/88 04/19/88 04/19/88 04/20/88 Orosa Mpha <2.4 5.112.3 <3.2 <3.1 Crose Bets 6.3 1.9 20.4 2.6 8.3tl.6 9.1t1.4 se 90 <0.007 <0.008 0.1t0.03 <0.014 . Be 7 <0.070 <0.090 0.77t0.074 <0.051 K 40 5.7610.20 11.80 0.38 3.07:0.17 7.72 0.21 Mn 54 <0.0087 <0.C12 <0.,0092 <0.0065 Fe 59 <0.024 <0.034 <0.025 <0.019 Co 58 <0.0085 <0.013 <0.0099 <0.0068 Co-60 <*,Un' <0.017 <0.011 <0.0091 ,L Zn 65 <0.021 <0.039 <0.028 <0.020 Nb-95 <0.0094 <0.017 <0.013 <0.0085 Zr-95 <0.017 <0.024 <^.018 <0.012 Cs 134 <0.0073 <0.015 <0.014 <0.0082 Cs 137 <0.0087 0.05610.0089 0.028:0.0066 <0.0063 Ba 140* <0.033 <0.043 <0.038 <0.024 La 140' <0.0070 <0.017 <0.015 <0.010 co 144 <0.044 <0.064 <0.059 <0.040 [ Ac 228 0.16 0.029 0.5220.044 0.1810.030 0.20t0.021 B1 212 <0.13 <0.16 <0.19 <0.082 81 214 0.1310.018 0.39:0.024 <0.13 0.18 0.012 Pb-212 0.1610.012 0.69 0.025 0.3110.021 0.23:0.011 Pb 214 0.15:0.017 0.41t0.022 0.34to.020 0.1920.012 Ra 226 0.49:0.15 0.87t0.13 1.3110.15 0.44to.10 fl 208 0.59:0.087 0.50 0,033 0.21:0.024 0.22:0.016 a LLD at time of counting 195
TA9tE b 31 (C M Locations CL 78 CL-7C CL 10 CL 19 Date collected: 10/20/&S 10/20/68 10/20/88 10/20/88 Cross Alpha <0.9 <2.7 <3.5 2.8 2.0 Oross Beta 4.2 2.2 9.3 1.9 13.3 2.2 13.5 2.2 Jr 90 <0.014 <0.010 <0.017 <0.010 Be 7 <0.097 <0.082 <0.080 <0.11 K 40 7.46:0.25 8.30 0.30 8.93:0.31 9.96:0.28 Mn-54 <0.0099 - <0.0085 <0.0094 <0.012 Fe 59 <0.033 <0.0028 <0.033 <0.039 Co-58 <0.012 <0.0099 <0.011 <0.014 Co 60 <0.014 <0.012 <0.014 <0.017 2n 65 <0.027 <0.026 <0.030 <0.033 Nb 95 <0.016 <0.014 <0.015 <0.019 Zr-95 <0.022 <0.018 <0.019 <0.025 Cs 134 <0.0099 <0.0095 <0.010 <0.012 Cs 137 <0.0095 <0.0084 <0.0086 <0.011 Ba 140a <0.038 <0.034 <0.030 <0.043 La 140s <0.015 <0.013 <0.012 <0.018 Ce-144 <0.073 <0.047 <0.049 <0.081 Ac 228 <0.037 <0.036 <0.037 <0.042 81 212 <0.12 <0.11 <0.11 <0.14 B1 214 <0.017 <0.018 <0.018 <0.021 Pb-212 0.19s0.013 0.12:0.011 0.25:0.015 0.23:0.016 Pb 214 0.16:0.025 0.13 0.014 0.1620.013 0.17:0.028 Ra 226 0.46:0.015 <0.15 0.32:0.091 0.56:0.15 ft 208 0.17s0.020 0.12:0.019 0.17s0.020 0.20 0.023 a LLD at time of counting 196
TABLE D-31 (cont'd) Location: CL 88 CL 89 CL 93 CL 105 Date Cottected: 10/20/S$ 10/20/88 10/20/88 10/19/88 l Gross Alpha <2.9 <3.0 4.322.4 3.922.5 Oross Beta 12.422.0 9.6t2.0 19.512.4 15.522.2 sr 90 <0.016 <0.014 0.01510.008 <0.013 Be 7 <0.076 <0.14 <0.18 <0.092 K 40 9.0920.25 7.9210.33 14.6020.41 11.00t0.36 Mn 54 <0.0077 <0.014 <0.016 <0.010 Fe 59 <0.029 <0.042 <0.050 <0.033 Co 58 <0.0096 <0.014 <0.018 <0.012 Co 60 <0.012 <0.017 <0.021 <0.014 Zn-65 <0.023 <0.036 <0.050 <0.030 Nb45 <0.013 <0.022 <0.028 <0.016 Zr 95 <0.018 <0.029 <0.035 <0.020 Cs 134 <0.0060 <0.011 <0.023 <0.012 Co 137 0.01620.006 0.024 0.C11 <0.017 <0.0096 8 Be-140 <0.029 <0.057 <0.067 <0.037 La 140' <0.0055 <0.011 <0.032 <0.014 co 144 <0.048 <0.076 <0.12 <0.056 Ac 228 0.24 0.037 0.3010.061 0.57*0.045 0.26:0.030 B1 212 <0.14 <0.21 <0.21 <0.13 BI 214 0.1410.018 0.24 0.032 0.5120.029 0.24 0.020 Pb 212 0.23:0.013 0.32 0.022 0.86:0.033 0.3910.019 Pb-214 0.1920.021 0.2720.033 0.6020.031 0.2710.018 Ra 226 0.33:0.13 0.7840.23 1.6120.22 0.5220.011 ft 208 0.21 0.029 0.2810.041 0.6420.040 0.2910.026 e LLO at time of counting 197
in t e= *= e= N N e= 0 M 06 4 8 M. O C .OOMM o. M 4n O. 0, o. b. . O. . . M e. N O O, M N
- 4 **
=
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*e EO N N O. O. O.
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- O* yO O vO vO v O O J q O* 4 O O O e O @ e- F== Om e=
v v v v v v e v e e s
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N co N 06 oN N 80 e= m O e 4e=4 - MM =e M N 4 O* 6 55 M. O . O e3 4 O N 4 *= E0 4 e- O. so p 4 . om O. - O. O. s N**N* = O *ew k. - in N N o N M O e== w Ch OO N O +eO O+e O O 06 Om O O. O O 6 O O O *e O O O ** ** **
- co ,= peg 4 e.n= 4 Om * * * * *= * * *
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- A A A A O
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L 4 N e in. O *e O Ch Ob ea 4 4 M e CD
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** M *e *e *e
% e N e . * . O.
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+ * * *
- O - O - -
wi N >= m* == Q == ts' U se O 4 4 kb GO d
- 80 O N an N N N en M 8D O O ec
- M
>'- N *= a M O in =0 v% in 4 =a N Om 06 * = O. O. ==. 0 X M & Ne O,e - o *=
- M - N e= e- 4 in O 4 O *eO O+e O+e O 4s e - e=. == O. N,=.N O. d. O. O. O. O. O. O. O. O. *e *= +4 *e E
*=
O o % J q M v M V e O O *= 0 O O O O O O O O O Oa V e y v v v v v v v v v v O OM v
* =a
- Ok en 4
- Ov *=. M. N.
On 4 M. N. U C 10 O O Cs O O O M E e= 0
@ k 4 4 4 =a N 9 mo N D nn O 4 =t O A O Os N t M in *= N K) * *
- O= N 80 # O *= e= N
- in O4 Oe N O O O M O
% M+e N
- O *eN
- N =
O Ok N O N in O M 4 *= O N N N O
- Oe
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- O * = O w aO *e N M O= O* O
** ** *e 06 en O=
- O. O. O. O.
N
- O. *= 4, .
4 N N eo 4 e- M
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=#
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>=
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c= N N 4 M Ch M 06 4 O.4inkbN V% r= M C 4 e e O.
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O *
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- N O .*i N M O O+eChog M4 N
O. O O O O C U Oh
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E0 N e e N N 10 en + Ch O*
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*
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* * * * *u-* *
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=d Q te.
U U N X N U U cD w U ( eDs0- 44 4 Q, e == GE D= q O 198
1 j l i
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- N 80 M *= m Oe -@ - *=
m N in 80 m N f
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,J O d@
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.]
I I Pm M 40 O M e t Oa N O
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80
- M O N O M M N O - 4 += 4
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- O N M C e
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==
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*e O +e +e ** **
e e e e e O. e e p N 4 O e % M e O O @ vO vO vO vO vO vO vO vO vO vO vO vO N e Ov O N ** M N ;
.J O V in v v e v e e a e !
e U e- ** 80 C O O O O V W I O -) w 1 N N - M g == T o 80 80 O e 4 be & e3 4 w O O O O N N w @ O w M N N =a in e= @ p e W e e e O. w M C O ** O e e- +e Q N M N == >= *= O W N O O O O e= N O" O e O eO Oe O eO *e - O ** *e ** +e a e M e in . O. . O. e e e e e e e sa m ea N m e N M *
.g =J O v @ v vO O 40Y C v vO vOv QO v v Ov O v vO vOv O. v O vO @ Q O M @.- P e e W e
> U *= A O O O O O b
O e= 4 M N N en =# @ O 10 d P* en M 4 M S e 80 a
- O
$d O O Oe O O *= Qe ad N N e= WN Ca e= e= as N N N O en WN 4
= e e a e N M N *e en *e e O O *e *e e0 e= 0 O** N*= O *eO O O*e O O. Oe O e O. -
e-. N e @ O . O. O. O.
*e Q O *e +e +e Me N N e e
- in
- O O.M O e % e O O e O O O O O O O O W
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*=
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*e *e to e= O O O e= In N
- m * +e
*d y
* *
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.J O @m
- OOe e O O O O O O O O v N v v v eO v v O vOvOvO Oa M Oe e y Oy O Oy OO Oe* y@
e M N N** e 06 4 en O N e e e= an e e e u *= N O *= O *= Q *= e= N *= e' u O 8 W e y e O w f 4 =d ee e. A e,
-se C on -o y 0 0 ( cn e e W 4 N O=aO 4 W N
=** O em O 4 @ E3 O in =# N 4e=@ E0 e & W W Ch N O OM M
- v. v= *= e= e=
=a =# N e e - N O ,
u ** O e O O e * *# in. in in @ @ e e e e e e e e * * * * * *
== N N N N Ne N eN
- e 3
1 b w L & . C W O O C D ) U O M CD W K h U Q N 2 N U eWa ee W W U E=
-e Q = ==
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- iC t s s 4 7 0 0 4 8 2 41 2 4 16 2 80 a e s s7 0 5 5 45 9 8 0 5 5 5 3 3 1 4 i4 141 22 12 1 2 2 2 2 2 c t o o - 9 1 o a r r e - n e o o nb r s s a a -e -c1- - - - - -
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TABLE D-34 U.S. EPA CROSSCHECX PROGRAMfa) Concentration in oCf/l(b) Lab Sample Date TIML Result EPA Result (d) Code Tvoe Cottected Analysts t2 s.d.fe) 1s. W=1 Control timits
$7W 358 Water May 1984 Gr. alpha 3.020.6 325.0 0.0 11.7 Gr. beta 6.721.2 625.0 0.0 14.7 STM-366 Milk Jun 1984 Sr-89 2123.1 25:5.0 16.3 33.7
$r-90 13t2.0 17 1.5 14.4 19.6 I 131 4625.3 43t6.0 32.6 53.4 Cs 137- 38:4.0 35:5.0 26.3 43.7 K 15772172 1496t75 1336-1626 STW-368 Water Jul.1984 Cr. alpha 5.121.1 625.0 0.0 14.7 Gr. beta 11.922 4 1325.0 4.3 21.7 STW 369 Water Aug 1984 1 131 34.3 5.0 34.026.0 23.6 44.4 i l
I fTW 370 Water Aug 1984 H3 3003:253 2817t356 2200-3434 i i . STF .'71 Food Jul 1984 Sr-89 22.025.3- 25.025.0- 14.3 33.7 Sr 90 14.723.1 20.0t1.5 17.4 22.6 1 131 <172 39.0t6.0- 28.6 49.4 Cs 137 24.015.3 25.0t5.0 14.3-33.7 q K 2503:132 2605:130 2379-2831 STAF 372 Air Aug 1984 Gr. alpha 15.3 1.2 1725.0 8.3 25.7 Filter cr. beta 56.0 0.0 51:5.0 42.3 59.7 ; Sr 90 14.321.2 18tt.5 ~ 15.6-20.4 l Co-137 21.022.0 1525.0 6.3 23.7 l STW 375 Water Sep 1984 Ra 226 5.1 0.4 4.920.7 3.6-6.2 Ra 228 2.220.1 2.3:0.4 1.7 2.9 i l STW 377 Water Sep 1984 Gr. alpha 3.3t1.2 5.0 5.0 0.0-13.7 i Gr. beta 12.722.3 16.0t5.0 - 7.3 24.7
)
STW-379 Water oct 1984 H3 2860:312 2810t205 2454-3166 STW 380 Water Oct 1984 Cr 51 <36 40:5.0 31.3-48.7 Co-60 20.3:1.2 20:5.0 11.3 28.7 2n 65 15018.1 14725.0 138.3 155.7 Ru 106 <30 4725.0 36.3-55.7-Cs 134 31.327.' 31:5.0 22.3 39.7 Cs 137 26.721.2 2425.0 15.3-32.7 1
~
202 i __j
?
TABLE 0 34 (Cont #d) r concentration in oCf/t(b) Lab sample Date TIML Result EPA Result (d) Code Tvoe Collected Analysis 12 s.d.(c) is, Nel Control lfmits
'sTM 382 Milk Oct 1984' Sr 89' 15.7 4.2 2215.0 13.3 30.7 Sr 90 12.721.2 16 1.5 13.4 18.6 1 131 41.723.1 42 6.0 31.6 42.4 Cs 137 31.326.1 .32*5.0 23.3-40.7 K 40 1447266 1517276 1386 1648 STW 384 Water Oct 1984 (Blind)
Sample A Cr. alpha 9.7:1.2 14:5.0 5.2 22.7 Ra 226 3.3 0.2 3.0t0.5 2.2 3.8 Ra 228 3.4 1.6 2.1 0.3 1.6 2.6 Uranium NA(e) 0.0 15.4 Sample B Gr. beta 48.325.0 64:5.0 55.3 72.7 Sr 89 10.724.6 11:5.0 2.3-19.7-Sr 90 7.321.2 12:1.5 9.4 14.6 Co 60 16.321.2 14t5.0 5.3 22.7 Cs 134 <2 '225.0~ 0.0 10.7 Cs 137 16.721.2 1425.0 5.3 22.7 STAF 387 Air Nov 1984 Gr. alpha 18.721.2 15t5.0 6.3-23.i' Fitter Cr. beta 59.0 5.3 5245.0 43.3 60.7 Sr-90 18.321.2 21:1.5 18.4 23.6 Cs 137 10.311.2 1025.0 1.3 18.7 STW 388 Water Dec 1984 1 131 28.0t2.0 36t6.0 25.6 36.4 STW 389 Water Dec 1984 H3 3583 tit 0 31821360 '2558-3806 STW 391 Vater Dec 1984 Ra 226 8.411.7 8.6 1.3 6.4 10.8-Ra 228 3.120.2 4.1:0.6 3.0-5.2 STW 392 Water Jan 1985 Sr 89 <3.0 3.0 5.0 0.0-11.7 Sr 90 27.3 5.2 30.011.5 27.4-32.6 STW 393 Water Jan 1985 cr. alpha 3.321.2 5:5.0 0.0 13.7 , Gr. beta 17.3 3.0 15:15.0 6.3 23.7 STS 395 food Jan 1985 Cr. alpha 4.712.3 6.0t5.0 0.0 14.7 Cr. beta 11.321.2 15.025.0 6.3 23.7 I Sr 89 25.326.4 34.025.0 25.3 42.8 Sr 90 27.028.8 26.011.5 23.4-28.6 1 131 38.0:2.0 35.0t6.0 24.6 45.4 Cs 137 32.7 2.4 29.015.0 20.3-37.7 K 1410:212 13822120 1174 1590 l 203 1
TABLE D 34 (Cont'd) Concentration in DCf/((b) Lab Sample Date TIML #esult EPA Result (d) Code Type Cottected Analysis 22 s.d.fe) is. W=1 Control Limits STW-397 Water Feb 1985 Cr-51 <29 4825.0 39.3-56.7 Co 60 21.3 3.0 20t5.0 11.3-28.7 Zn 65 53.725.0 5525.0 46.3-63.7 Ru-106 <23 25:5.0 16.3-33.7 Cs 134 32.3t1.2 35 5.0 26.3 43.7 Cs-137 25.3 3.0 25 5.0 16.3-33.7 STW-398 Water Feb 1985 H-3 38692319 3796 634 3162-4430 STM-400 Milk Mar 1985 1 131 7.322.4 9.0t0.9 7.4-10.6 STW 402 Water Mar 1985 Ra 226 4.6t0.6 5.0t0.8 3.7 6.3 Ra 228 <0.8 9.021.4 6.7-11.3 Reanalysis Ra-228 9.020.4 STW 404 Water Har 1985 Gr. alpha 4.722.3 6t5.0 0.0 14.7 Gr. beta 11.3 1.2 15 5.0 6.3-23.7 STAF 405 Air Mar 1985 Gr. alpha 9.311.0 10.025.0 1.3 18.7 Filter Gr. beta 42.0 1.1 36.025.0 27.3-44.7 Sr-90 13.321.0 15.021.5 12.4-17.6 Cs 137 6.311.0 6.0 5.0 0.0 14.7 STW 407 Water Apr 1985 I 131 8.020.0 7.5 0.8 6.2 8.8 STW-408 Water Apr 1985 H-3 3399 150 35592630 2929 4189 STW 409 Water Apr 1985 (Blind) Sample A Gr. alpha 29.7:1.8 32.025.0 23.3-40.7 Ra-226 4.4to.2 4.120.6 3.1 5.1 Ra 228 NA(e) 6.220.9 4.6 7.8 Uranlun NA(e) 7.026.0 0.0 17.4
, Samte B Gr. beta 74.3 11.8 72.0t5.0 63.3 80.7 Sr-89 12.327.6 10.0t5.0 1.3 18.7 Sr 90 14.7 2.4 15.0t1.5 12.4-17.6 Co-60 14.722.4 15,025.0 6.3 23.7 Cs-134 12.0 2.0 15.0 5.0 6.3 23.7 Cs-137 14.0 2.0 12.015.0 3.3-20.7 204
i TABLE 0-34 (Cont'd) Concentration in eCI/t(b) Lab Sample Date TIML Result EPA Resuttid) Code Tyre Collected Analysis 22 s.d (c) 19. Nel Contro( limits i STW 413 Water May 1985 Sr-89 36.0212.4 39.025.0 30.3 47.7 Sr 90 14.324.2 15.021.5 12.4-17.6 l s STW-414 Water May 1985 Gr. alpha 8.324.1 12.0 5.0 3.3 20.7 Gr. bets 8.721.2 11.015.0 2.3 19.7 STW 416 Water Jun 1985 Cr 51 44.726.0 44.025.0 45.3-52.7 Co-60 14.3 1.2 14.0 5.0 5.3-22.7 Zn 65 50.327.0 47.025.0 38.3 55.7 Ru-106 55.3t5.8 62.025.0 53.3-70.7 Cs 134 32.721.2 35.025.0 26.3-43.7 Cs 137 22.722.4 20.025.0 11.3 28.7 STW-418 Water Jun 1985 H-3 24462132 2416:351 1807-3025 STM-421 Milk Jun 1985 Sr 89 10.3 4.6 11.025.0 2.3-19.7 Sr-90 9.022.0 11.021.5 8.4-13.6 I-131 11."21.2 11.016.0 0.6 21.4 Cs-137 12.7 1.2 11.025.0 2.3 19.7 K 15'2262 1525t132 1393 1657 STW-423 Water Jul 1985 Gr. alpha 5.0t0.0 11.0 5.0 2.3 19.7 Gr. beta 5.022.0 8.025.0 0.0-16.7-STW 425 Water Aug 1985 I 131 25.723.0 33.016.0 22.6-43.4 STW 426 Water Aug 1985 H-3 4363 83 44802447 3704 5256 STAF-427 Air Aug 1985 Gr. alpha 11.320.6 13,025.0 4.3 21.7 Filter Gr. beta 46.0 1.0 44.025.0 35.3-52.7 Sr-90 17.720.6 18.021.5 15.4-20.6 Cs-137 10.310.6 8.025., 0.0-16.7 STW-429 Water Sep 1985 Sr 89 15.720.6 20.025.0 11.3 28.7 Sr-90 7.020.0 7.0t1.5 4.4-9.6 STW 430 Water Sep 1985 Ra 226 8.220.3 8.921.3 6.6-11.1 Ra 228 4.120.3 4.6t0.7 3.4-5.8-STW 431 Water Sep 1985 Gr. alpha 4.720.6 8.015.0 0.0-16.7 Cr. beta 4. 7:1. 2 8.0 5.0 0.0 16.7 l 205
TABLE 0 34 (Cont'd) Concentration in DCf/l(b) Lab Sample Date TIML Result EPA Result (d) Code Type cettetted Analysis 22 s.d.(e) 1s, N=1 Control Limits STW 433 Water u t 1985 Cr 51 <13 21.0:5.0 12.3 29.7 Co 60 19.320.6 20.015.0 11.3 28.7 Zn-65 19.720.6 19.025.0 10.3 27.7 Ru 106 <19 20.025.0 11.3 28.7 Cs 134 17.021.0 20.025.0 11.3 28.7 Cs-137 19.3t1.2 20.025.0 11.3 28.7 STW-435 Water Oct 1985 H3 1957t50 19742345 1376 2572 STW 436 Water Oct 1985 437 (Blind) Sample A Gr. alpha 53.021.0 52.0213 29.4 74.6 Ra-226 5.920.1 6.321.0 4.1 - 7. 9 Ra 228 8.220.1 10.121.5 7.5 12.7 Uranlun NA(e) 8.0210.4 0.0 18.4 sample o Gr. beta 85.722.5 75.025.0 76.3-83.7 sr 89 21.3 1.5 27.025.0 18.3 35.7 Sr-90 10.320.6 9.021.5 6.4 11.6 Co-60 18.3 1.2 18.0 5.0 9.3 26.7 Cs 134 16.3:1.2 18.0:5.0 9.3 26.7 Cs 137 19.0t1.0 18.025.0 9.3-26.7 stM 439 Milk Oct 1985 Sr-89 50.3t0.6 48.025.0 39.3 56.7 sr 90 23.3:0.6 26.021.5 23.4 28.6 l-131 45.723.2 42.026.0 31.6 52.4 Cs 137 60.7t0.6 56.015.0 47.3 64.7 K 1547:29 1540277 1406-1674
$TW-441 Water Nov 1985 Gr. alpha 5.3:0.6 10.0:5.0 1.3 18.7 Gr. beta 11.721.2 13.025.0 4.3 21.7 STW 443 Water Dec 1985 i *:1 46.7t2.1 45.026.0 34.6-55.4 STW-444 Water Dec 1985 Ra 226 6.5to.1 7.1 1.1 5.2-9.0 Ra 228 6.1 0.1 7.3t1.1 5.4-9.2 STW 445 Water Jan 1986 sr 89 29.7:2.5 31.025.0 22.3-39.7 Sr 90 13.720.6 15.0 1.5 12.4 17.6 $7W 446 Water Jan 1986 Gr. alpha 3.020.0 3.025.0 0.0 11.7 Gr. beta 5.3:0.6 7.025.0 0.0-15.7 206
r
]
TABLE 0-34 (Cont'd) Concentration In DCf/lfb) Lab sample Date- .TIML Result EPA Resultfd) Code Tvoe Coltected Analysis 22 s.d.(c) 1s W=1 Control Limits t STF 447 food Jan 1986 Sr 89 24.3t2.5 25.0:5.0 16.3 33.7 2{ Sr 90 17.3 0.6 10.0 1.5 7.4 12.6' ! I-131 22.742.3 20.026.0 9.6 30.4 f Cs 137 16.320.6 15.0:5.0 6.3 23.7 K 927446 9502144 701 1199
)
STW 448- Water Feb 1986 Cr 51 45.023.6 38.0:5.0- 29.3 46.7-Co 60 19.721.5 18.025.0 9.3 26.7 2n 65 44.023.5 40,025.0 31.3 48.7 Ru 106 <9.0 0.0t5.0 0.0 8.7 Cs 134 28.322.3 30.0 5.0 21.3 38.7 1 Cs 137 23.7 0.6 22.025.0 13.3 30.7
)
STW 449 Water Feb 1986 H-3 5176t48 5227:525 4317 6137 STW 450 Water Feb 1986 U total 8.0 0,0 9.046.0 0.0 19.4 STM 451 Milk Feb 1986 I 131 7.020.0 9.0t6.0 0.0 19.4 STW 452 Water Mar 1986 Ra-226 3.820.1 4.1:0.6 3.0 5.2 Ra*228 11.020.5 12.4tl.8 9.2 15.5. STW 453 Water Gr. alpha l Mar 1986 6.7t0.6 '5.045.0 6.3 23.7 i Gr. beta 7.3to.6 8.025.0 0.0 16.7 STW 454 Water Apr 1986 1 131 7.020.0 9.026.0 0.0 19.4 STW 455 Water Apr 1986 456 (Blind) ; Sample A cr. alpha 15.021.0 17.025.0 8.3 25.7 Ra 226 3.120.1' 2.910.4 2.1-3.7 Ra 228 1.520.2 2.0 0.3 1.5-2.5 , Uranium 4.740.6 5.026.0 0.0 15.4 Sample 8 Gr. beta 28.721.2 35.0 5.0 26-43.7 Sr 89 5.740.6 7.0:5.0 0.0-15.7 Sr-90 7.0 0.0 7.0 1.5 4.4 9.6-Co 60 10.721.5 10.0:5.0 1.3 18.7 Cs 134 4.0 1.7 5.0t5.0 0.0 13.7 Cs 137 5.320.6 5.025.0 0.0 13.7 207
i l TABLE 0 34 (Cont'd) l Concentration In oCl/ttb) Lab Sample Date TIML Result EPA Result (d) yode Tvoe Cot t ected ANALYSIS 12 9.d.(c) 18. W1 Control limits 1
]
STAF 457 Air Apr 1986 Gr. alpha 13.7t0.6 15.025.0 6.3-23.7 1 Fftter Gr. bets 46.320.6 47.025.0 38.3 55.7 Sr-90 14.720.6 18.021.5 .15.4 20.6 Cs 137 10.720.6 10.025.0 1.3-18.7 i q STW 459 Water May 1986 Sr-89 4.3:0.6 5.025.0 0.0 13.7 l Sr 90 '5.020.0 5.021.5 2.4 7.6' { STW 460 Water May 1986 .Gr. alpha 5.320.6 8.025.0 0.0-16.7 Gr. beta 11.321.2 15.025.0 6.3 23.7 STW 461 Water Jun 1986 Cr 51 <9.0 0.0:5.0 0.0 8.7 Co-60 66.021.0 66.0t5.0 57.3 74.7 2n 65 87.3 1.5 86.025.0 77.3 94.7 Ru 106 39.7 2.5 50.025.0 41.3 58.7 Cs 134 49.322.5 49.015.0 40.3 57.7 Cs 137 10.321.5 10.0t5.0 1.3 18.7 TW 462 Wa'ter Jun 1986 Trittun 3427 25 3125:361 2499 3751 STM 464 Milk Jun 1986 Sr 89 <1.0 0.025.0 0.0 8.7 Sr-90 15.3to.6 16.021.5 13.4 18.6 1-131 48.3t2.3 41.026.0 30.6 51.4 Cs 137 43.721.5 31.045.0 22.3 39.7 K 1567t114- 1600180 1461 1739 STW 465 Water Jul 1986 Gr. alpha 4.7t0.6 6.0:5.0 0.0 14.7 Gr. beta 18.721.2 18.025.0 9.3 26.7 STW 467 Water Aug 1986 I-131 30.310.6 45.026.0 2'.4 55.4 STW 468 Water Aug 1986 Pu 239 11.3t0.6 10.121.0 8.3 11.9 STW 469 Water Aug 1986 Uranium 4.020.0 4.026.0 0.0 14.4 i STAF-470 Air Sep 1986 Gr. alpha 19.321.5 22.0 5.0 13.3 30.7 471 Filter Gr. bets 64.0:2.6 66.016.0 57.3 74.7 472 Sr 90 22.041.0 22.015.0 19.4 24.6 Cs 137 25.7 1.5 22.025.0 13.3 30.7 STW 473 Water Sep 1986 Ra-226 6.0t0.1 6.140.9 4.5-7.7-Ra 228 8.721.1 9.111.4 6.7-11.5 4 l 208
TA9tf D-34 (cont'd) Concentration in DCf/t(b) Lab Sample Date flM Result EPA Result (d) Code type Collected Analysis 22 s.d.fe) is, N=1 Control Limits STW-474 Water Sep 1986 Gr. alpha 16.323.2 15.0t5.0 6.3-23.7 Gr. beta 9.041.0 8.025.0 0.0 16.7 STW 475 Water Oct 1986 Cr 51 63.325.5 59.0:5.0 50.3 67.7 co 60 31.0 2.0 31.015.0 22.3-39.7 2n-65 87.325.9 85.025.0 76.3 93.7 Ru 106 74.727.4 74.0 5.0 65.3-82.7 cs 134 25.7t0.6 28.025.0 19.3 36.7 cs 137 46.3 1.5 44.025.0 35.3 52.7 STW 476 Water Oct 1986 H3 5918260 59732597 4938 7008 SPW-477 Water Oct 1986 478 (Blind) Sartple A Gr. alpha 34.026.0 40.025.0 31.3 48.7 Ra-226 5.820.2 6.0 0.9 .47.6 Re 228 2.721.0 5.040.8 3.7 6.3 Uranium 11.020.0 10.026.0 0.0 20.4 i Sample B Gr. beta 38.7 1.2 51.0 5.0 24.3 59.7 Sr 89 5.040.0 10.025.0 1.3 18.7 l Sr-90 3.020.0 4.021.5 1.4 6.6 Co 60 24.721.2 24.0 5.0 15.3 32.7 cs 134 11.0t2.0 12.015.0 3.3 20.7 cs-137 9.3t1.2 8.015.0 0.0-16.7 STM-479 Milk Nov 1986 Sr 89 7.7t1.2 9.025.0 0.3 17.7 Sr-90 1.0 0,0 0.0 1.5 0.0 2.6 I 131 52.343.1 49.0t6.0 38.6-59.4 Cs 137 45.713.1 39.025.0 30.3 47.7 K 14892104 1565278 1430 1700 STW-481 Water Nov 1986 Gr. alpna 12.0:4.0 20.025.0 11.3 28.7 Gr. beta 20.013.5 20.025.0 11.3-28.7 STW 482 Water Dec 1986 Ra 226 6.720.2 6.821.0 5.0 8.6 Ra 228 5.240.2 11.121.7 8.2 14.0 209
TABL E 0-34 (Cont'd) Concentration in DCf/t(b) Lab Sample Date TIML Result EPA Result (d) Code TYDe Collected ANALYSIS 22 S.d.(C) IS. Ns1 Contro{ L{mits STW 483 Water Jan 1987 Sr 89 19.725.0 25.015.0 16.3 33.7 Sr 90 21.0t2.0 25.021.5 22.4-27.6 STW 484 Water Jan 1987 Pu-239 17.022.3 16.721.7 13.8-19.6 STF-486 Food Jan 1987 Sr-90 36.024.0 49.0210.0 31.7 66.3 1-131 78.023.4 78.028.0 64.1-91.9 Cs 137 89.723.0 84.025.0 75.3-92.7 K 942256 980149 895 1065 STF-487 Food Jan 1987 Sr-90 2.0t0.0 --- (Blank) 1 131 <3 --- Cs 137 <2 - K 9932102 --- STW 488 Water Feb 1987 Co-60 49.0 0.0 50.025.0 41.3 58.7 2n-65 96.017.2 91.025.0 82.3 99.7 Ru-106 92.0:20.2 100.025.0 91.3 108.7 Cs-134 53.0 3.4 59.025.0 50.3 67.7 Cs-137 89.314.6 87.025.0 78.3 95.7 STW 489 Water Feb 1987 H3 4130:140 4209:420 3479 4939 STW 490 Water Feb 1987 Uranlun 8.3:1.2 8.026.0 0.0-18.4 STM 491 Milk Feb 1987 I 131 10.020.0 5.020.9 7.4 10.6 STW 492 Water Mar 'l987 Gr. alpha 3.721.2 3.015.0 0.0 11.7 Gr. beta 11.31.2 13.025.0 4.3 21.7 STW 493 Water Mar 1987 Ra 226 7.0t0.1 7.3t1.1 5.4-9.2 Aa 228 7.122.3 7.5:1.1 5.5 9.5 STW 494 Water Apr 1987 I 131 8.020.0 7.0t0.7 5.8 8.2 STAF 495 Air Apr 1987 Gr. alpha 15.0t0.0 14.0 5.0 5.3 22.7 Filter Gr. beta 41.022.0 43.025.0 34.3-51.7 Sr-90 16.3 1.2 17.0t1.5 14.4 19.6 Cs 137 7.0t0.0 8.025.0 0.0-16.7 STW 496 Water Apr 1987 497 (Blind) Samle A Gr. alpha 30.721.2 30.018.0 16.1 43.9 Ra 226 3.9:0.2 3.940.6 2.9-4.9 Ra-228 4.9s0.9 4.0 0.6 3.0 5.0 Uranlun 5.020.0 5.046.0 0.0 15.4 210
TABLE D-34 (Cont'd) Concentration in oCf/t(b) Lab Sample Date TIML Result EPA Result (d) Code Tvoe Cottected Analysis 12 s.d.(c) 1s. Mai control limits STW 496 Water Apr 1987 497 (Blind) Sanple B Gr. beta 69.3 9.4 66.0:5.0 57.3 74.7 Sr-89 16.343.0 19.025.0 10.3-27.7 Sr 90 10.020.0 10.021.5 7.4 12.6 Co 60 8.3 3.0 8.0t5.0 0.0 16.7 l Cs 134 19.0 2.0 20.025.0 11.3 28.7 Cs 137 14.721.2 15.0 5.0 6.3 23.7 STW 499 Water May 1987 Sr 89 38.026.0 41.025.0 32.3 49.7-Sr-90 21.0 2.0 20.021.5 17.4 22.6 STW-500 Water May 1987 Gr. alpha' 9.0:3.4 11.025.0 2.3 19.7 Gr. beta 10.321.2 7.0 5.0 0.0 15.7 STW-501 Water Jun 1987 Cr-51 40.028.0 41.025.0 32.3-49.7 Co 60 60.313.0 64.0t5.0 55.3 72.7 Zn 65 11.325.0 10.0 3.0 1.3 18.7 Ru 106 78.316.4 75.025.0 66.3 83.7 Cs 134 36.723.0 40.0t5.0 31.3 48.7 Cs-137 80.324.2 80.025.0 71.3 88.7 STW 502 Water Jun 1987 H-3 2906*86 2895:357 2277 3513 STW 503 Water Jun 1987 Ra 226 6.9 0.1 7.341.1 5.4 9.2 Ra 228 13.3 1.0 15.222.3 11.2 19.2 STW 504 Milk Jun 1987 Sr 89 57.0:4.3(f) 69.025.0 60.3 77.7 Sr-90 32.021.0(f) 35.021.5 32.4 37.6 1 131 64.022.0 59.026.0 48.6 69.4 Cs 137 77.7 0.6 74.0t5.0 65.3 82.7 K 1383 17 1525 76 1393 1657 STW 505 Water Jul 1987 Gr. alpha 2.3:0.7 5.025.0 0.0-13.7 Gr. beta 4.021.0 5.015.0 0.0-13.7 'l STF 506 Food Jul 1987 l 131 82.7 4.6 80.028.0 66.1 93.9 Cs 137 53.743.0 50.0 5.0 41.3 58.7 K 1548 57 1680284 1534 1826 STW 507 Water Aug 1987 1 131 45.7 4.2 48.0 6.0 37.6 58.4 STW 508 Water Aug 1987 Pu 239 5.8 0.2 5.320.5 4.4-6.I 211 l
I TABLE D-34 (Cont'd) l concentration in oci/((b) Lab Sample Date TIML Result EPA Result (d) Code Tvoe Collected Ane t ys is 12 s.d.fe' is. N=1 Control Limits STW 509 Water Aug 1987 Uranium 13.320.3 13.026.0 2.6-23.4 STAF 510 Air Aug 1987 Cr. alpha 9.7t0.4 10.025.0 1.3 18.7 Flitar Gr. beta 28.3 0.6 30.015.0 21.3 38.7 Sr-90 10.0t0.9 10.021.5 7.4-12.6 cs 137 10.021.0 10.025.0 1.3-18.7 STW 511 Water Sep 1987 Ra 226 9.9 0.1 9.7:1.5 7.2-12.2 Ra 228 8.121.4(g) 6.321.0 4.6-8.0 STW-512 Water Sep 1987 Gr. alpha 2.020.6 4.025.0 0.0-12.7 Cr. beta 11.3 1.3 12.025.0 3.3 20.7 STW-513 Water Oct 1987 H3 44732100 44921449 3714 5270 STW 514 Water Oct 1987 (Blind) Sapte A Gr. alpha 29.322.6 28.027.0 15.9 40.1 Ra*226 4.9 0.1 4.810.7 3.6 6.1 Ra 228 4.221.0 3.6 0.5 2.7 4.5 Uranium 3.0t0.1 3.026.0 0.0 13.4 Sanple B sr 89 14.3:1.3 16.0 5.0 7.3 24.7 Sr 90 9.720.4 10.0 1.5 7.4-12.6 co 60 16.723.0 16.025.0 7.3-24.7 cs 134 16.722.3 16.0 5.0 7.3 24.7 Cs 137 24.323.3 24.015.0 15.3 32.7 STW 516 Water Oct 1987 cr 51 80.3:17.5(h) 70.025.0 61.3 78.7 co-60 16.022.3 15.015.0 6.3 23.7 Zn 65 46.315.6 46.0 5.0 37.3 54.7 Ru-106 57.3215.4 61.025.0 52.3 69.7 Cs 134 23.712.5 25.025.0 16.3-33.7 Cs 137 51.723.2 51.015.0 42.3-59.7 STW 518 Water Nov 1987 Gr. alpha 3.022.0 7.0 5.0 0.0-15.7 Gr. beta 15.722.3 19.025.0 10.3 27.2 STW 519 Water Dec 1987 I 131 26.0 3.0 26.0 6.0 15.6 36.4 STW 520 Water Dec 1987 Ra 226 5.110.8 4.820.7 3.6-6.0 Ra 228 3.4:0.1 5.3:0.8 3.9-6.7 212 -
_ _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ - _ _ _ _ - _ _ _ - - - - - - - - - - - - - - - - __ - --~ TABt.E 0 34 (Cont'd) (a) Results obtained by Teledyne isotopes Midwest Laboratory as a participant in the l environmental sarrple crosscheck program operated by the Intercomparison and Calibration Section, Quality Assurance Branch, Environmental Monitoring and Support Laboratory, U.S. Envirornental Protection Agency (EPA), Las Vegas, Nevada. (b) All results are in the pCf/l, except for elemental potasslun (K) data, which are in mg/l; air filter sa m les, which are in pCf/ filter; and food, which is in pCI/kg. (c) Unless ntherwise indietted, the TIML results are given as the mean 22 standard deviations for thase determinations. (d) USEPA results are presented as the known values and expected laboratory precision (1s, 1 determination) and control limits as defined by EPA. (3) NA = Not Analyzed (f) Outside the control limit milk had high fat content which made analyses difficult. Addition of errors to TIHL result would put values within EPA control limits. EPA also had the same problem in analyzing its own sanple. (g) TIML results are usually within EPA control limits. Analysis of the next sample showed the sanple was within EPA control limits. No further action is planned. (h) Outside the control limit - results in the past have been within EPA control limits and TIML will monitor the situation in the future. 213'
TA9ti D-35 CROSSCHECK PROGRAM RESULTS. THERM 0tVMINESCENT 00$1 METERS (TLDS) mR Teledyne i Lab TLD Result Known Average 22 s.d.(c) Code Tvoe measurement t2 s.d.ta) value(b) (att earticioants) 7th international Intercomparison(d) 115 7C Ca$0 :0y Field 76.822.7 75.846.0 75.1229.8 4 Cards Lab (Co-60) 82.5 3.7 79.924.0 77.9227.6 Lab (Cs-137) 79.013.2 75.023.8 73.0222.2 6th International intercomparison(e) 115 8C Cas0 :Dy Field Site 1 32.320.7 29.7 1,5 28.9:12.4 4 Cards Field Site 2 10.6to.6 10.4 0.5 10.129.0 Lab (Cs-137) 18.120.8 17.220.9 16.226.8 (a) Lab result given is the mean 22 standard deviations of three determinations. (b) value determined by sponsor of the interconparison using continuously operated pressurized ion chamber. (c) Mean 22 standard deviatians of results obtained by all laboratories participating in the program. (d) Seventh International Intercomparison of Environmental Dosimeters conducted in the spring and sumer of 1984 at L9s Vegas, Nevada, and sponsored by the U.S. Department of Energy, the U.S. Nucles.- Regulatory Comnission, and the U.S. Environmental Protection Agency. (e) Eighth International Intercomparison of Environmental Dosimeters conducted in the fall and winter of 1985-1986 at New York, New York, and sponsored by t'ie U.S. Department of Energy. 214
?- TA8tE 0 36 IN-DOUSE SPtKED SAMPLES ' concentration in oCf/t 5xpected l Lab Sample Date TIML liesult Known ~ Precis ion -- Code tvoe Cotteeted Analysis n=3 Activity 1s. n=3(a) QC MI 6 Milk Feb 1986 Sr 89
- 0 1.9 6.4:3.0 8.7
- Sr-90 4.221.7 12.9 2.0 5.2 1 131 34.243.8 35.223.5 10.4 Cs 134 32.0t1.8 '27.3t5.0 8.7 Cs 137 35.8t2.1 35.025.0 8.7 QC W 14 Water ~ Mar 1986 Sr 89 1.6t0.4 1.6 1.0 7.1
$r 90 2.4 0.2 2.442.0 4.2 QC W 15 Water Apr 1986 I 131 44.9 2.4 41.5t7.0 10.6 CO 60 10.621.7 12.125.0 7.1(b)
Cs 134 30.2:2.4 25.8t8.0 7.1(b) Cs 137 21.9:1.9 19.915.0 7.1(b) QC MI 7 Milk Apr 1986 I 131 39.723.3 41.5t7.0 10.4 Cs 134 28.7t2.8 25.848.0 8.7 Cs 137 21.2t2.8 19.925.0 8.7 SPW 1 Water May 1986 Cr. alpha 15.8:1.8- 18.025.0 5(c) QC W 16 Water Jm 1986 Gr. alpha 16.2 0.7 16.912.5 8.7 Gr. beta 38.423.5 30.215.0 8.7 QC MI 9 Milk Jun 1986 $r 89 <1.0 0.0 7.1(b) Sr 90 12.6 1.8 13.3 3.0 4.2(b)
! 131 38.927.0 34.8t7.0- 10.4.
Cs 134 33.013.4 36.1:5.0 8.7 Cs 137 38.5:2.8 39.0:5.0 8.7 SPW 2 Water Jun 1986 Gr. alpha 16.8:1.8 18.0 5.0 5(c) SPW 3 Water Jun 1986 Gr. alpha 17.7 0.8 18.0 5.0 5(c) QC W 18 Water Sep 1986 Cs 134 34.725.6 31.3 5.0 8.7 Cs 137 51.1 7.0 43.328.0 8.7 QC W 19 Water Sep 1986 Sr 89 13.6 4.1 15.6 3.5. 7.1(b) Sr 90 6.4:1.6 6.222.0 4.2(b) 215
TABLE D 36 (Cont'd) Concentration in oCl/l Expected Lab. Sanple Date f!ML Result Known Precision
' Code Tvoe Cottected Analysis n=3 Activity is, n=3(a)
-l QC W-21 Water oct-1986' Co-60 19.222.2 18.5t3.0 8.7 -
Cs 134 31.725.2. 25.628.0 8.7 Cs 137 23.8t1.0 21.6:5.0 8.7 QC MI 11 Milk Oct 1986 sr 89 12.3t1.3 14.323.0 8.7 QC W-20 Water Nov 1986 H3 3855:180 39602350 520(b). OC W 22 Water Dec 1986 Gr. alpha 9.821.4 11.214.0 8.7 Cr. beta ~ 21.722.0 23.8t5.0 8.7 oc-W 23 Water -Jan 1987 I 131 29.8t2.5 27.9:3.0 10.4' QC-MI 12 Milk Jan 1987 I-131 36.521.3 32.6 5.0 10.4 Cs 137 32.614.2 27.428.0 8.7 SPM*13 Milk Jan 1987 sr 89 10.4t2.1 12.224.0 8.7 Sr 90 14.621.6 12.6t3.0 5.2 1-13?. 49.5:1.2 54.928.0 10.4 Cs 134 <1.6 0.0 - 8.7 Cs 137 33.3 0.6 27.428.0 8.7 I SPW 24 Water Mar 1987 sr 89 24.723.6 25.925.0- 8.7 Sr 90 23.9t3.8 22.818.0 5.2 l SPW 25 Water Apr 1987 l 131 28.0 1.9 29.325.0 10.6 1 SPM 14 Milk Apr 1987 l 131 25.0 2.2 23.925.0 '10.4 Cs 134 <2.1 ' O.0 8.7-Cs 137 34.222.0 27.227.0 8.7
$PW-26 Water Jun 1987 H3 3422:100 33622300 520
! Co-60 24.821.4 26.5 7.0 8.7 Cs 134 <2.0 0.0 8.7 4 Cs 137 21.220.5 21.6s7.0 8.7 SPW 27 Water Jun 1987 Gr. alpha 8.5:1.9 10.124.0' 8.7 Gr. beta 22.6:1.9 .21.225.0 8.7
$PW 28 Water Jun 1987 Gr. alpha 8.721.3 '10.124.0 8.7 Gr. b?ta 12.2 5.2 9.423.0 8.7 j l
i i 216 I
. _ _ _ _ _ _ _ _ J
TABLE D 36 (Cont'd) Concentration in oCf/t'
~ Expected Lab- , sample Dete- f!Mt. Itesult Known ' Precision Code Tvoe collected Analysis n=3 Activity is, n=3(al-SPW 29 Water Jun 1987 Gr.' alpha 16.4t1.3' 18.925.0 - 8.7 Gr. beta- 15.9:4.0 11.824.0 8.7 l
$PM 15 Milk Jul 1987 se 89 19.41.6 18.523.5. 5.2 1-131 43.520.7 45.3t7.0. 10.4-cs 134 17.9:2.2 16.0 5.3 8.7 co-137 -25.421.8 22.7 5.0 - 8.7
$PW 30 Water Sep 1987 $r 89 17.5 3.0- 14.3t5.0 8.7 .
se 90 ' 18.422.2 17.5 2.2 5.2 -- SPW 31 Water Oct 1987 H3 2053:39 20592306 520 SPW 32 Water Dec 1987 Gr. alpha 8.621.0 10.125.0 8.7 Gr. beta 15.220.1 .13.123.0 8.7 SPW 33 Water Dec 1987 Gr. alpha 7.7 1.4 10.125.0 8.7 / Gr. beta 10.9:1.0 . 7.9t3.0 8.7
$PW-34 Water Dec 1987 Gr. alpha 4.0 0.9
- 5.123.0 8.7 Gr. beta 9.4 0.9 7.9 3.0 8.7 (a) n=3 unless noted otherwise.
(b) n=2. (c) n=1. 217
TABLE D 37 IN-HOUSE BLANK SAMPLES Concentration in oCf/t Acceptance Lab Sanple Date Results criteria Code Tvoe Cottected Analvsf* (4.66 s.d.) (4.66 s.d.) SL 1 D.I. Water Nov 1985 Gr. alpha <0.1 <1 Gr. beta <0.4 <4 BL 2 0.I. Water Nov 1985 Cs 137 (gamma) <1.9 <10 BL-3 D.I. Water Nov 1985 Sr-89 <0.5 <5 Sr-90 <0.6 <1 BL-5 D.I. Water Nov 1985 Ra 226 <0.4 <1 Ra 228 <0.4 <1 SPW 2265 D.I. Water Apr 1985 Gr. alpha <0.6 <1 Gr. beta <2.2 <4 Sr-89 <0.2 <5 Sr 90 <0.4 <1 1-131 <0.2 <1 Cs 137 (gamma) <7.4 <10 BL 6 D.I. Water Apr 1986 Gr. alpha <0.4 <1 BL-7 0.1. Water Apr 1986 Gr. al@a <0.4 <1 GL-3 0.l. Water Jun 1986 Gr. alpha <0.4 <1 BL 9 D.I. Water Jun 1986 Gr. alpha <0.3 <1 SPW 3185 D.I. Water Jan 1987 Ra 226 <0.1 <1 Ra 228 <0.9 <1 SPS-3292 Milk Jan 1987 I-131 <0.1 <1 Cs 134 <6.2 <10 Cs-137 <6.4 <10 SPW 3554 D.I. Water Feb 1987 H3 <180 <300 Gr. beta <2.6 <4 SPS 3555 Mith Feb 1987 Sr-89 <0.6 <5 Sr-90 1.9:0.4(a) <1 SPS 3731 Milk Mar 1987 Cs 134 <2.2 <10 Cs-137 <2.5 <10 218
I i TABLE D-37 (Cont'd) Concentration in oCi/l Acceptance Lab Sample Date Results Criteria Code tvoe Collected Analysis (4.66 s.d.) (4.66 s.d.) SPS 3732 0.f. Water Mar 1987 Sr 89 <0.9 <5 Sr 90 <0.8 <1 1 131 <0.3 <1 Co-60 <2.3 <10 Cs 134 (game) <2.2 <10 Cs-137 (game) <2.4 <10 Ra 226 <0.1 <1 Ra 228 <1.0 <1 Np 237 <0.04 <1 Th-230 <0.05 <0.1 Th 232 <0.02 <0.1 U-234 <0.05 <0.1 U-235 <0.03 <0.1 U-238 <0.03 <0.1 SPS 4023 Milk May 1987 1 131 <0.1 <1 SPS-4203 0.I. Water May 1987 Cr. alpha <0.7 <1 Gr. beta <1.7 <4 SPS 4204 Milk May 1987 Sr-89 <0.5 <5 Sr-90 2.4 0.6(a) <1 SPS 4390 Milk Jun 1987 Cs 134 <4.7 <10 Cs 137 <5.2 <10 SP$ 4391 0.l. Water Jun 1987 Sr 89 <0.4 <5
$r 90 <0.4 <1 1-131 <0.1 <1 Co-60 <3.8 <10 Cs-137 <5.7 <10 Ra 226 <0.1 <1 Ra 226 <0.9 <1 SPW 4627 0.1. Water Aug 1987 Gr. alpha <0.; <1 Gr. beta <1.4 <4 Tritlun <150 SPS*4628 Milk Aug 1987 Sr*89 <0.6 <5 Sr-90 2.4 0.6(a) <1 SPS-4847 Milk Sep 1967 Cs-134 <4.4 <10 Cs-137 <5.3 <10 219
TABLE D-37 (Cent'd) Concentration in oCf/t Acceptance tab Sample Date Results Criteria {pde tve. Collected Analysis (4.66 s.d.) f4.66 s.d.) SPS 4848 D.I. Water Sep 1987 I-131 <0.2 <1 SPW 4849 D.I. Water Sep 1987 Co 60 <4.1 <10 Cs 134 <4.8 <10 Cs-137 <4.0 <10
$r-89 <0.7 <5 Sr 90 <0.7 <1 SPW-4850 D.I. Water Sep 1987 Th 228 <0.04 <1 Th 232 <0.8 <1 U 234 <0.03 <1 U-235 <0.03 <1 U-238 <0.02 <1 Am-241 <0.06 <1 cm 242 <0.04 <1 Ra 226 <0.1 <t Ra 228 <1.0 <2 SPW-4859 D.I. Water Oct 1987 Fe 55 <0.5 <1 SPS 5348 Milk Dec 1987 Cs 134 <2.3 <10 Cs 137 <2.5 <10 SPW 5384 Water Dec 1987 Co-60 <2.8 <10 Cs-134 <2.6 <10 Cs-137 <2.8 <10 1-131 <0.2 <1 Re 226 <0.1 <1 Ra 228 1.2 <2 Sr 89 <0.5 <1 Sr 90 <0.4 <1 SPW 5385 Water Nov 1987 Gr. alp 5a <0.4 <1 Gr. bets <2.2 <4 Fe 55 <0.3 <1 (a) Low level (1-4 pCf /t) of Sr 90 concentration in milk is not unusual.
220
~
TA6LE D-38 ACCEPTANCE CR!TERfA FOR "SP! RED" SAMPLES LABODATORY PRECISION! ONE STANDARD DEVIATION VALUES FOR VARIOUS ANALYSES (e) One Standard Deviation Analysis tevet for Sinate Determination Game Emitters 5 to 100 pci/ Liter or kg 5 pct / liter
>100 pcl/ liter or kg 5% of known value Stronti m 89(b) 5 to 50 pel/ liter or kg 5 pcl/ liter
>50 pci/ Liter or kg 10% of known value Strontium-90(b) 2 to 30 pcl/ liter or kg 3.0 pci/ Liter
>30 pcl/ liter or kg 10% of known value Potassim >0.1 g/ liter or kg 5% of known value Gross Alpha <20 pcl/ liter 5 pcl/ liter
>20 pci/ Liter 25% of known value Gross Beta <100 pci/ titer 5 pci/ titer
>100 pcl/ liter 5% of known value Tritiun <4,000 pCf/ liter is = (pci/ Liter) =
169.85 x (known)
>4,003 pcl/ liter 10% of known value Radlun 226, <0.1 pci/ titer 15% of known value Radium-228 Plutoniun 0.1 pci/ titer, gram, 10% of known value or sanple lodine 131, <55 pcl/ titer 6 pci/lfter lodine 129(b) >55 pct / liter 10% of known value Urant un-238, <35 p*i/L iter 6 pcl/ liter Nickel-63(b), >35 pCi/ Liter 15% of known value T echnet t un-99(b)
Iron 55(b) 50 to 100 pci/ Liter 10 pcl/ liter 10% of known value (a) From EPA publication, Environmental Radioactivity Laboratory Intercomparison Studies Program, Fiscal Year 1981 1982, EPA-600/4-81 004." (b) TIML limit. 221
)
FOR MORE INFORMA TION CONTACT: ' The Radiological Protection Department "*' \
,,'o7tc[$^' I Clinton Power Station otpantutN, R.R. 3 P.O. Box 228 Clinton. IL 61727 ILLINots POWER COMPANY
~--
. . rs
r U 601423 L30- 89 (04 -20 )-LP 1A.120
. llLINDIS POWER 00MPANY
' cLINTON POWER $1 ATioN. P.O. BOX 678 CLINTON. ILLINots 61727 i
' ,l April 20, 1989 l'
t i Docket No. 50-461 Document Control Desk Nuclear Regulatory Commission Washington, D.C. 20555
Subject:
Clinton Power Station Annual Radiological Environmental Monitoring Report ,
Dear Sir:
. Illinois Power Company is submitting the 1988 Annual Radiological Environmental Monitoring Report for Clinton Power Station. This -l submittal is provided in accordance with the requirements of Section' .l 6,9.1.6 of the Clinton Power Station. Technical ^ Specifications. I h
-A l_ If you have any questions, please contact me.
Sincerely yours, , D. L. Holtzscher Acting Manager - Licensing and Safety l l WSI/pge Attachment cc: NRC Resident Office NRC Region III, Regional Administrator NRC Clinton Licensing Project Manager l Illinois Department of Nuclear Safety
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