View source for U-601719, Semiannual Radioactive Effluent Release Rept,Jan-June 1990

{{Adams
| number = ML20056B359
| issue date = 06/30/1990
| title = Semiannual Radioactive Effluent Release Rept,Jan-June 1990
| author name = Spangenberg F
| author affiliation = ILLINOIS POWER CO.
| addressee name = 
| addressee affiliation = NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
| docket = 05000461
| license number = 
| contact person = 
| document report number = U-601719, NUDOCS 9008280176
| document type = ENVIRONMENTAL MONITORING REPORTS(&amp;RADIOLOGICAL)-PERIODIC, TEXT-ENVIRONMENTAL REPORTS
| page count = 69
}}

=Text=
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U-601719 t      k
* L30 90(08 13).LP 1A.120
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         ' CLINTON POWLit STATION, P.O. IlOX 678. CLINTON. ILLINOIS 61727 0678. TEt!'PilONE (217) 935 8881 I
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August 13, 1990 Docket No. 50 461 Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

==Subject:==
Clinton Power Station Semiannual Radionetive Effluent Release Rerort

==Dear Sir:==

Attached is t'ae Semiannual Radioactive Effluent Release Report
                      ' for Clinton Power Station (CPS) for the period of January 1,1990-June 30, 1990. This submittal is provided in accordance with the requirements of section 6.9.1.7 of the CPS Technical Specifications.
Sincerely yours, l h v F.
                                                                . N.A. S 1
angerherg,          [
Manager : Licensing ad Safety N
SFB/alh
                      . Attachment cc:      NRC Clinton Licensing Project Manager NRC Resident Office Illinois Department of Nuclear Safety l
9008280176 900630 gDR     ADOCK 05000461 1                                                                 PDC 1
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January 1, 1990 - June 30, 1990                                       ,
SENIANNUAL RADICACTIVE EFFLUENT RELEASE REPORT FOR THE CLINTON POWER STATION I
Prepared by                                         '
Radiological Environmental Group Radiation Protection Department l
i August 31, 1990
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I TAD.LE OF CONTENTS SECTION                                                                           PAGE
: 1. Summary .    . . . . . . . . . . . . . . . . . . . .                            5
: 2. Introduction.     . . . . . . . . . . . . . . . . . .                           6
: 3. Supplemental Information.          . . . . . . . . . . . .                    15
: 4. Effluent and Waste Disposal Data.              . . . . . . . .                21
: 5. Meteorological Data and Dispersion Estimates.                          . . 35
: 6. Dose Measurements and Assessments .                    . . . . . . .         48
: 7. Changes to the offeite Dose calculation Manual and the Solid Waste Process Control Program .   . . . . . . . . . . . . . . . . . . . .                           59
: 8. Limiting Condition for Operation Reports.                       . . . .       62
: 9. Major Changes to Radioactive Waste Treatment Systems . . . . . . . . . . . . . . . . . . . . .                             64
: 10. New Locations for Dose Calculation and/or Environmental Monitoring.        . . . . . . . . . . . .                    65 1

I LIST OF TABLES PAGE Table 1:   Airborne Effluents - Summation of All Releases . . . . . . . . . . . . . . . . . .                      21 Table 2    Airborne Effluents .      . . . . . . . . . . . .                 22 Table 3:   Radioactive Gaseous Weste LLD Values .                . . .       24 Table 4:   Waterborne Effluents - Summation of All Releases .  . . . . . . . . . . . . . . . . .                    26 Table 5:    Waterborne Effluents .      . . . . . . . . . . .                27 Table 6:    Radioactive Liquid Waste LLD Values.              . . . .        28 Table 7:    Solid Waste and Irradiated Fuel Shipments.                    . 31 Table 8:    Estimated Total Errors Associated with Effluent Measurements.       . . . . . . . . . . .                33 Table 9:   Effluent Data Not Available for Previous Semiannual' Report.    . . . . . . . . . . . . .                  34 Table 10: Meteorological Data Availability .              . . . . .          36 Tabla 11: Classification of Atmospheric Stability.                   . . 40
    . Table 12: Joint Wind Frequency Distribution by stability Class. . . . . . . . . . . . . . .                     41 Table 13: Maximum Offsite Doses and Dose Commitments to Members of the Public .               . . .       48 Table 14: Calculated Doses to Members of the Public During Use of the Road in the Southeast Sector within the CPS Site Boundary. . .              . .         52 Table 15: Calculated Doses to Members of the Public During Use of the Agricultural Acreage in the South-Southwest Sector within the CPS Site Boundary. . . . . . . . . . . . . . . .                      53 Table 16: Calculated Doses to Members of the Public During Use of Clinton Lake in the Northwest Sector within the CPS Site Boundary. . . . .                      54 1
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PAGE Table 17: Calculated Doses to Members of the Public During Use of the Department of Conservation Recreation Area in the East-Southeast Sector within the CPS Site Boundary . . . . . . . . . . . . . . . . . . . 55
-Table 18: Calculated Doses for the Residents in the Southwest Sector within the CPS Site Boundary . . . . . . . . . . . . . . . . . . . 56 Table 19: Calculated Doses for the Residents in the West-Southwest Sector within the CPS Site Boundary . . . . . . . . . . . . . . . . . . . 57 Table 20: Calculated Doses for the Residents in the South-Southeast Sector within the CPS Site Boundary . . . . . . . . . . . . . . . . . . . 58 O
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LIST OF F%at[RRE PAGE   i
                                                                                       )
Figure 1: CPS Airborne Effluent Release Points.              . . . .        7 i
Figure 2: CPS Watorborne Effluents Release Pathway.                 . . 8     :
Figure 3: Effluent Exposure Pathways.       . . . . . . . . .              13-    {
Figure 4: , CPS Wind Rose:   10-meter.   . . . . . . . . . . .             37 Figure 5: CPS Wind Rose:     60-meter.   . . . . . . . . . .               38 Figure 6: Clinton Power Station Distribution of Atmospheric Stability Class . . . . . . .       . .           39 Figure 7: Areas Within the CPS Site Boundary Open to Members of the Public. . . . . . . . . . .                 51 I
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I SECTION 1

==SUMMARY==

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==SUMMARY==

The Semiannual Radioactive Effluent Release Report is a detailed listing of all radioactive releases (both gaseous and liquid) from the Clinton Power Station (CPS) and the resulting radiation doses for the period from January 1 through June 30, 1990. This report includes a detailed reteorological section which provides the weather history of the area during the time of the releases.
This information is used to calculate the dose to the public.
This report also includes a summary of the amounts of radioactive material contained in solid waste that is packaged and shipped for offsite disposal at federally- approved burial facilities.
In addition, this report serves as a medium for notifying the U.S. Nuclear Regulatory Commission (NRC) staff of changes to CPS's offsite Dose Calculation Manual (ODCM) and Solid Waste Process Control Program (PCP), and exceptions to the CPS effluent monitoring program which must b; ;3 ported per Technical Specifications 3.3.7.11 and 3.3.e.12.
The NRC requires that nuclear power stations be designed, constructed, and operated in such a way that the amount of radioactive material in effluent releases to unrestricted areas is kept As Low As Beasonably Achievable (ALARA). To assure these criteria are met, the NRC has established limits governing the release of radioactivity in effluents.
The maximum radiation dose delivered to the inhabitants of the area surrounding CPS, due to radioactivity released from the station, is very small. The radiation dose to people in the area is calculated for each release using the concer.t:ation of radioactive. material and the weather conditions at the time of the release. These doses were only a small fraction of the limit for the most exposed member of the puolic.
5

h-SECTION 2 INTRODUCTION a
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INTRODUCTION 1
Clinton Power Station is located in Harp Township, DeWitt County approximately six miles east of the city of Clinton in east-central Illinois. Clinton Power Station is a 985 megawatt gross electrical power output boiling water reactor. The reactor and generating units were supplied by General Electric, Sargent and Lundy Engineers served as architect-engineer, and Baldwin Associates was the constructor.
Construction of CPS began in the mid 1970's. Fuel load began in September of 1986 with initial criticality achieved on February 27, 1987. Commercial operation commenced in April 1987 and the reactor reached 100% power for the first time on September 15, 1987.                                                               ,
Airborne effluents are released from CPS via two gaseous effluent release points to the environment: the Common Station Heating, Ventilating, and Air Conditioning (HVAC) Stack and the Standby Gas Treatment System (SGTS) Stack (see Figure 1). Each release point is continuously monitored and a program of periodic sampling and analysis is conducted as specified in the plant Technical Specifications. Liquid effluents from CPS are released in batch mode and are sampled and analyzed prior to release.
Liquid effluents, variable from 10-60 gallons per minute (GPM) or 50-300 GPM, combine with Plant Service Water flow (minimum of approximately 5000 GPM) and Plant Circulating Water flow (0-567,000 GPM) in the Sealwell prior to entering the 3.4 mile discharge flume to lake Clinton (see Figure 2) .
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CPS AIRBORNE EFFLUENT RELEASE POINTS Figure 1 TURRINE SULDING                                                        PADWASTE AND Roof EL 878'0'                                                MACHINE SHOP SUILDING            l R O OF E L T Yv'0' j
170'0'                                                                    >  206'0' Hvhc verr STACK                                                                                                                    l scTs votr Top cowTAmuert cowc. EL e27'o'
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  .                                                      L                            -                     --                       Y GASEOUS EFFLUENT RELEASE POINT CHARACTERISTICS HVAC EXHAUST STACK                       SGTS EXHAUST STACK RELEASE POINT HEGHT (m)                                                                                  61                                   61 BUILDING HDGHT(m)                                                                                        58                                   58 RELEASE POINT GEOMETRY                                                                                 DUCT                                  PIPE RELEASE POINT AREA (m8)                                                                                11.15                                 0.15 RELEASE POINT DIAMETER (m)                                                                              3.77*                                0.44 ANNUAL AVERAGE FLOW RATE (fr 8/ min)                                                                 237,000                                 4000 VERTICAL EXIT VELOCITY (m/sec)                                                                         10.02                                12.49 7
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I i CPS WATERBC"iNE EFFLUENTS RELEASE PATHWAY Figure 2 PLANT SERVICE WATER
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RW BLDG.                                ,  (AT LEAST 5000 GPM)
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LIQUID RADWASTE DISCHARGE LINE
          < io-oo OR so-soo opu) h RADIATION MONITOR ALARM /TRP SE1PONT CALCULATED BASED ON EACH BATCH tSOTOPIC ANALYSIS AND DitunoN rtow N ISOLATION VALVE TERMINATES RELEASE ON HIGH RADLATON, HGH RELEASE FLOW RATE, OR Low                           @ COMPOSITE SAMPLER
                           "                                                     COLLECTS APPROXIMATELY20ml EVERY 60 MINUTES FROM 1NE DISCHARGE FLUMc FOR MONTHLY ANALYSIS SEALWELL 0          LAKE PLANT CIRCULATING                                                                                          CLINTON WATER (0-567,000 GPM)                                                          DISCHARGE FLUME 3.4 MILES I
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Reaulatory Limits                                                 j l
The NRC requires nuclear power plants to be designed, constructed j and operated in such a way that the radioactivity in effluent     i releases to unrestricted areas is kept ALARA. To assure these criteria are met, each license authorizing nuclear reactor        !
operation includes Radiological Effluent Technical Specifications  I (RETS) governing the release of radioactive effluents (Crde of Federal Regulations, Title 10, Part 50, Appendix I). The RETS designate.the limits for release of effluents, as well as the limits for doses to the general public from the release of radioactive liquids and gases. Keeping releases within these operating limits demonstrates that the ALARA principle is being met.
The dose to a member of the general public from radioactive material in liquid effluents released to unrestricted areas is limited to:
     -     Less than or equal to 3 mrem per year to the total body.
                               -and-
     -     Less than or equal to 10 mrem per year to any organ.
The dose to air due to release of noble gases in gaseous effluents is limited to:
Less than or equal to lo mrad per year for gamma radiation.
                               -and-
      -    Less than or equal to 20 mrad per year for beta radiation.
The dose to a member of the pencral public from iodine-131, tritium and all particulate radionuclides with a half-life greater than tight days in gaseous effluents is limited to:
      -    Less than or equal to 15 mrem per year to any organ.
These ALARA limits are a fraction of the dose limits established by the Environmental Protection Agency (EPA). In its Environmental Dose Standard of 40CFR190, the EPA established dose limits for members of the public in the vicinity of a nuclear power plant. These dose limits are:
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                               -    Less than or equal to 25 mram per year to the total body.                                                                     ,
                               -    Less than or equal to 75 mrem per year to the                              4 thyroid.                                                                        1
                                                           -and-
                               -    Less than or equal to 25 mrem per year to any other organ.
See Section 3 for more information on regulatory limite.
Processina and Monitorina Effluents are strictly contrc11ed at' CPS to ensure radioactivity released to the environment is minimal and does not exceed release limits. Effluent controls include the operation of radiation monitoring systems in the plant and offsite
.                         environmental sampling and analysis programs.        In-plant radiation-monitoring systems are used to provide a continuous indication of radioactivity and are also used to collect particulate and radioiodine samples. These samples are analyzed in a laboratory to identify the specific concentration of radionuclides being released. Sampling and analysis provide a more sensitive and precise method of determining effluent composition to complement the information provided by real-time monitoring instruments.
Beyond the plant itself, a radiological environmental monitoring l                         program is maintained in accordance with Federal Regulations.
l                         The basic purpose of the program is to assess the radiological L
impact on the environment due to the operation of the Clinton t
l Power Station. Implicit in this purpose is the regulatory requirement to trend and assess radiation exposure rates and radioactivity concentrations that may contribute to human radiation exposure. The program consists of two phases, preoperational and operational. During the preoperational phase l                         of the program, the baseline for the local radiation environment l                         was established. The operational phase of the program includes l                         the objective of making confirmatory measurements to verify that l
the in-plant controls for the release of radioactive material are functioning as designed. Assessment of the operational impact of CPS on the environment is based on dath collected since the reactor started.
1 10

Ernosure Pathways Radiological exposure pathways are the means by which people may become exposed to radioactivity released from nuclear facilities.
The major pathways of concern are those which could cause the        ,
highest calculated radiation dose. These pathways are determined from the type and amount of radioactivity released, the environmental transport mechanism and use of the environment.        '
The environmental transport mechanism includes the meteorological characteristics of the area which will be defined by wind speed and wind direction at the time of the releass. This information is used to evaluate how the radionuclides will be distributed in the area. The most important factor in evaluating the exposure pathway is the use of the environment by the people living around CPS. Factors such as location of homes in the area, use of cattle for milk and meat, and the growing of gardens for vegetable consumption are very important considerations in evaluating exposure pathways.       Figure 3 illustrates the various affluent exposure pathways considered.
The radioactive gaseous effluent exposure pathways include direct radiation, deposition on plants and soil, and inhalation by animals and humans. The radioaciive liquid effluent exposure pathways include drinking water, fish consumption and direct exposure from the lake.
Dose Assessment
(   Whole body radiation involves the exposure of all organs in the human body to ionizing radiation. Most background radiation exposures consist of whole body exposure although specific organs can receive radiation exposure from distinct radionuclides.
These radionuclides enter the body through inhalation and ingestion and seek different organs depending on the nuclide.
For example, radioactive lodine selectively concentrates in the thyroid, radioactive cesium collects in muscle and liver tissue, and radioactive strontium in mineralized bone.
The total dose to organs from a given radionuclide also depends on the amount of activity in the organ and the amount of time l   that the radionuclide remains in the body. Some radionuclides remain for very short periods of time due to their rapid radioactive decay and/or elimination rate from the body, while others may remain longer.
The radiation dose to people in the area surrounding CPS is calculated for each release using the concentrations of radioactive material and the weather conditions present at the time of the release. The dose is calculated in all sixteen geographical sectors surrounding CPS and takes into account the location of the nearest residents, vegetable 11

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i gardens producing broad leaf vegetables, and milk and meat           1 animals in all sectors. The calculated dose also uses the             ]
concept of a " maximum exposed individual" and " standard man", and    '
the maximum use factors for the environment, such as how much
            . milk an average person drinks and how much air a person breathes    .
            -in a year.
l See Tables 13-20 of Secticn 6 for more detailed information on dose to the public.                                                 .
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M RELEASES DILUTED BY ATMOSPHERE .
                                                                                                                                     =3-AIRBORNE                                                  'l ANIMALS                               =               RELEASES                           CUNTON POWER (MILK. MEAT)              PL                      E                                            STATION CONSUMED                                                                                   $
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            .- . . . _ .        ._ _         . - ~ - - .        _  _          -                     . . . - - .    -   .-. .
Gaseous Effluents Gaseous effluent radioactivity released from CPS is classified into two categories, 1) noble gas, and 2) iodind-131 iodine-133,                 ,
tritium and all radionuclides in particulate Jorm with half-lives greater than eight days. Noble gases, such as xenon and krypton,                                              ,
are biologically and chemically nonreactiver ther,e radionuclides                                             '
cause external radiation exposure. Iodine-131, iodine-133,                                                   i tritium and radionuclides in particulate form with half-lives                                                 !
greater than eight days are the major contributors to internal dosa.
See Tables 1, 2, 3, 8 and 9 of Section 4 for more detailed                                                  )
information on gaseous affluents.                                                                             l Liquid Effluents Radioactivity in liquid effluents consists of radioactive fission and activation products, tritium and entrained noble gases.
See Tables 4, 5, 6 and 8 of Section 4 for more detailed information on liquid affluents.
Solid Waste Shinmants
* In order to reduce the radiation exposure to personnel and maintain the ALARA concept, the NRC and the Department of Transportation (DOT) have established limits on the types of radioactive waste and the amount of radioactf ity that may be packaged and shipped offsite for burial or disposal.                                    To ensure            ,
that. CPS is complying with these regulations, the types of waste and the radioactivity present are reported to the NRC.
i See Table 7 of Section'4-for more detailed information on solid waste shipments.
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I. REGUIATORY LIMITSL
       ~A. Gaseous Effluents'
: l. In accordance with Title 10 of the-Code.of Federal Regulations (CFR), Part 20, the maximum.
permissible concentrations for gaseous effluents shall.not exceed the values given in 10CFR20, Appendix B, Table II, Column.1. To ensure these concentrations are not exceeded, dose rates due.to' radioactive materials released.in gaseous effluents from the site to areas at and beyond the site boundary shall be limited-to the following:
: a. Noble gases -      Less than or equal to 500                                                              '
mrem / year to the total body.
                                       -   Less than or equal to 3000 mrem / year to the skin.
: b. Iodine-131, iodine-133, tritium and all radionuclides in particulate form with half-
                        . lives greater than eight days:
                         -      Less than'or equal to 1500 mrem / year to any organ.
: 2. In accordance with Title 10 of the Code of Federal Regulations, Part 50, Appendix I, air.. dose due to
                  . noble gases released in gaseous effluents to areas at and beyond the site boundary shall be-limited to the following:
: a. Less than or equal to 3 mrad for gamma radiation and less than or equal to 10' mrad for beta radiation during any calendar quarter,
: b. Less than or equal to 10 mrad for gamma radiation and less than or equal to 20 mrad for beta radiation during any calendar year.
: 3. In accordance with 10CFR50, Appendix I, doses to a member of the public (from iodine-131, iodine-133, tritium and'all radionuclides in particulate form with half-15

lives greater'than eight days) in-gaseous effluents released to areasoat and beyond the site boundary shall be-limited to the following:.
: a. Less than or equal to 7.5 mrem to any organ, during any calendar quarter.
: b. Less than or equal to 15 mrem to any organ,-
during any calendar year.
i B. Liquid Effluents l'. The concentration of radioactive material released in' liquid effluents to unrestricted areas shall be limited-to the concentrations specified in Title 10 of the Code of Federal Regulations, Part 20, Appendix.B, Table II, Column 2, .or radionuclides-other1than dissolved or entrained noble gaces. For dissolved or entrained noble gases, the concentration shall be limited to 2.0E-04 microcuries per milliliter-total activity.
: 2. The-dose or dose commitment to a member of the public from radioactive materials in liquid effluents released to unrestricted areas shall be limited to:
: a. Less than or equal to 1.5 mrem to the total body and less than or equal to 5 mrem to any organ during-any calendar quarter.
: b. Less than or equal to 3 mrem to the total body and less than or equal to 10 mrem to any organ during any calendar year.
II. MAXIMUM PERMISSIBLE CONCENTRATION A. Gaseous
: 1. The maximum permissible concentrations (MPC) for gaseous effluents are specified in Title 10 of the Code of Federal Regulations, Part 20, Appendix B, Table 11, Column 1. Howeve....the MPCs of 10CFR20 are not utilized directly far limiting gaseous effluents. CPS Technical Specifications establish requirements to limit the release rate of effluents such that discharges of gaseous                                                                           :
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: radioactive material will-not result in dose
      >                    rates, to a MEMBER OF THE PUBLIC.in an' UNRESTRICTED AREAL,_ higher than.those which would occur if average annual concentrations exceeded-MPC limits. _The maximum        permissible dose-rates L                         for gaseous releases are:
: a. Technical Specification 3.11.2.1.a (Dose _ rate at and beyond the site boundary from gaseous effluents in the form,of noble gases).
                                  -     Less than or equal to 500 mrem / year to the total body.
                                      . Less than or equal to,3000 mrem / year to the skin.
: b. Technical Specification 3.11.2.1.b (Dose rate at and beyond the site boundary from' gaseous effluents in the form of iodine-131, iodine-133, tritium and all radionuclides in particulate form with half-lives greater than eight days).
                                   -     Less than or equal to 1500 mrem / year to any organ.
B. Liquids-
: 1. -   The maximum permissible concentrations (MPC) . for; liquids are those listed in 10CFR20, Appendix B, Table II, Column 2,    with the most restrictive.MPC (whether soluble or insoluble) being used in all cases. Fcr dissolved and entrained noble gases the MPC of 2.0E-04 microcuries per milliliter:is applied. This MPC is based on the Xe-135 MPC int air (submersion dose) converted to an equivalent concentration in water as discussed in the International Commission on. Radiological Protection (ICRP), Publication 2.
III. AVERAGE ENERGY The CPS Technical Specifications limit the dose equivalent' rates due to the release of fission and activation gases to less than or equal to 500 mrem per year to the total body and less than or equal to 3000 mrem per year to the skin.
Therefore, the average beta and gamma energies (E) for i
17

i         >
gaseous effluents as described in Regulatory Guide 1.21,.
                                           " Measuring, Evaluating,-and Reporting Radioactivity in; Solid-Wastes and Releases of Radioactive. Materials in Liquid and Gaseous Effluents from Light-Water-Cooled Nuclear Power Plants", .is.not applicable.
IV. ; - MEASUREMENT AND ' APPROXIMATIONS OF TOTAL RADIOACTIVITY 4
A. Fission and Activation Gases
: 1. Gas samples are       collected monthly and as required-by CPS-Technical Specification Table. 4.11.2-1.
These samples are counted on a high ourity germanium detector (HPGe) for princ. 'O gamps.
emitters. The HVAC and SGTS release-y          '-e continuously monitored, and the average releaae flow rates for each release point are used to-calculate the total activity released in a given time period.
: 2. Tritium is collected by passing a known volume of the sample stream through a gas washer containing known quantity of demineralized water. The
                                                       -collected samples are distilled and analyzed by liquid scintillation. The tritium released-was calculated for each release point from the measured tritium concentration, the volume'of the-sample, the tritium collection efficiency, and the-stack exhaust' flow rates.
B. Iodines Iodine is continuously collected on a charcoal cartridge filter via an isokinetic sampling assembly on each release point.        Filters are normally exchanged once per week and analyzed on an HPGe system. The daily average flow rates for each release point are averaged for the duration of the sampling period-and these results, along with isotopic concentrations, are used to determine total activity released during the time period in question.
C. Particulates Particulates are continuously collected on a' filter paper via an isokinetic sampling assembly on each release point.        Filters are normally exchanged once per week and analyzed on an HPGe system. Flow rates and total activity are determined in the same manner as for iodines.
i 18

Q -) p 6]        '
a g          D.  = Waterborne Effluents-Each' tank of liquid radwasteLis sampled and' analyzed for principal gamma emitters-prior to release. Each-
      +-                 sample tank is recirculated'for a sufficient' amount of  -
i x
time prior to sampling to, ensure that a representative      j sample is obtained. . Samples are analyzed on an HPCe system and release permits are generated based on the values obtained from the.: isotopic analysis and the-most recent values for tritium, gross alpha, iron-55, strontium-89 and atrontium-90. An aliquot based on        i release volume is saved and added to composite                 ,
b                    containers. The concentrations of composited isotopes.       l
  .l-         E          and the volumes of the' releases associated with these composites establis'. the proportional relationships            i     '
that are then utildzed for calculating the total               l activity released for these-isotopes.
V. BATCH' RELEASES A. Liquid 1st Otr 90     2nd Otr 90             1
: 1. Number of batch releases:              0              1
: 2. Total time                                    '
i period for                                                 i batch releases:      N/A        7.00E+01 min.
: 3. Maximum time
                               . period for                                                ,
batch release:       N/A        7.00E+01 min.
                         -4. Average time period for.
batch release:        N/A       7.00E+01' min.           1
: 5. Minirtim . time                                              '
period for batch release:        N/A       7.00E+01 min.
: 6. Average-stream flow during periods of release:             N/A       9.69E+04 liters per minute
: 7. Total waste volume:              N/A        7.42E+04 liters
: 8. Tota' dilution volu..               N/A        G.78E+06 liters 1
      'l 19

a........ - . - . _ . . . . . . . . . . . .
1 L
B.- -Gaseous-
                                          - 1st Otr 90                          2nd Otr 90
: 1. Number af-
                       -batch releases:
0                                             0
[                 2. Total time-periodifor batch releases:        N/A                                           N/A
: 3. Maximum-time period.for batch' release:        N/A                                           N/A
                       ' Average time
: 4. :
[~                      period for batch; release:         N/A                                          N/A 5.. Minimum time period for' batcht: release:       N/A                                          N/A L
k' m
l l
K
  =
_                                   20 5-                                                         .                              .

m
:d.
SECTION 4                                                                                                         s y
EFFLUENT & WASTE                                                                                                                  5 DISPOSAL DATA                                                                                                           $
s 4
2
                                                                                                                                                                                              '.=
4
                         . [; f, . J '.
o . ._
Tf'~'=
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i''    .,,p            , .4      -..                                                           .,
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                                                                                                                                        , 7 e        x                     .
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                                                                                                                      ,~
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   .                        g.   ,;ir .        - ;-    ,
  - . : ;,_ . e ,;             .
                                                         .x          ,                  ..                    _ . . , .
{. ,           . . . . - * * . - ' '. . ~                           , .             ,
a kw;~
                                                                                                                       -l M
m
                                                                                                                                           -%-         '-h '-        ~ . 3,-.. _ , _
(Y;gdh%+'' '"<,   .
                                                                                                                                            , ''C ~ f%     t
                                                                                                   ;% ;/4                          w
                                                                                                                                                           ;\la g. g2;3W W ~N       %
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                                                                                   $4] ''"". 4 py, .                                                    ,
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[pg*%
* kW         -
A v.e A.                  ihm                           -

E TABLE 1
                     ~ AIRBORNE EFFLUENTS - SUM!!ATION OF ALL RELEASES Data Period: January 1, 1990        June 30, 1990 Nuclide Category.             Unit        First Quarter     Eecond quarter I'
A',' Fission & Activation Gases l        Ci
: 1. Total' Release                          2.74E+01           0.00E+00
: 2. Average Release Rate for Period          uCi/sec      3.48E+00           0.00E+00
       .3.-Percent-of-
            -Applicab'le Limit        %            1.30E-02           0.00E+00 B. Iodine-131
: 1. Total' Release             Ci           7.35E-05            2.68E-05 L2. Average Release
            -Rate for Period          uCi/sec~      9.33E-06           3.40E-06
: 3. Percent of
             , Applicable Limit       %             1.32E-01           4.80E-02 C. Particulates
: 1. Particulates Released with Half-lives >8 Ci Days                                  2.10E-03           1.05E-03*
: 2. Average Release Rate for Period         uCi/sec       2.67E-04           1.33E-04*
: 3. Percent of Applicable Limit         %            6.47E-03           3.99E-04*
        .- 4 . Gross' Alpha Activity Released        Ci           3.23E-05           1.09E-05 J
D. Tritium
: 1. Total Release              Ci           9.78E-01            8.36E-02
: 2. Average Release Rate for Period          uCi/sec       1.24E-01           1.06E-04
: 3. Percent of-Applicable Limit          %            6.18E-05           5.28E-06 1      Notation: An entry of 0.00E+00 does not represent the
: absence-of a radionuclide but indicates that the concentration of the nuclide was below the Lower Limit of Detection (LLD) value listed in Table 3.
* Reported values include Sr-89 values based on first quarter 1990 sample analyses and second quarter 1990 ventilation exhaust rates.
21

                                                                                .s I      t F      0-
                                                -TABLE 2 AIRBORNE EFFLUENTS (Curies)2 Data Period:. January 1, 1990 - June 30, 1990 Nuclide-        First Quarter    Second Quarter
                 'A. .
Gases Kr-85              2.57E+01 Kr-85m             0.00E+00 Kr-87              1.72E+00-Kr-88              0.00E+00 Xe-133             0.00E+00 Xe-135             0.00E+00
                       .Xe-135m            0.00E+00 Xe-138             0.00E+00 Others:
Ar-41'              O.00E+00 Total               2.74E+01           0.00E+00 B. Iodines I-131              7.35E-05            2.68E-05 I-132              0.00E+00            0.00E+00 I-133              9.67E-05            0.00E+00 I-134              0.00E+00            0.00E+00 I-135              0.00E+00            0.00E+00
    ?                    Total              1.70E-04            2.68E-05 C. Particulates w/ Half-lives
                         >8 Days Sr-89               2.43E-05           2.08E-05*
     ,                   Sr-90               0.00E+00           0.00E+00 Cs-134              0.00E+00            0.00E+00 Cs-137              0.00E+00            0.00E+00 Ba-140              0.00E+00            0.00E+00 Notation: An entry of 0.00E+00 does not represent the absence of'a radionuclide but indicates that the concentration of the nuclide was below the LLD value listed in Table 3.
* Reported values are estimated based on first quarter 1990 composite analyses and sr.ond quarter 1990 ventilation exhaust rates.
22                             -

a b
TABLE 2 (Cont'd)
AIRBORNE EFFLUENTS (Curies)2
                              . Data Period:                  January 1, 1990 - June 30, 1990 Nuclide                     First Quarter       Second Quarter others:
                           -Ag-110m                            0.00E+00            0.00E+00 Cr-51                              1.87E-03            1.02E-03 Mn-54                              4.95E-05'           O.00E+00.
Co-58                              2.50E-05             0.00E+00 Fe                             0.00E+00             0.00E+00 Co-60                               1.35E-04            8.34E-06 Zn-65                               0.00E+00            0.00E+00
{-                         Ce-141                              0.00E+00           'O.00E+00 Ce-144                              0.00E+00            0.00E+00
                           -Total                               2.10E-03            1.05E-03 L
2   Notation: An entry-of 0.00E+00 does not represent the absence of a radionuclide but indicates that the concentration of the nuclide wau below the LLD value listed in Table 3.
                                                                      'l

j
                                                                            .l     ,
s TABLE 3
                                                                            .i RADIOACTIVE GASEOUS WASTE LLD VALUES               i LOWER LIMIT OF TYPE OF                  DETECTION (LLD)"             ;
ACTIVITY ANALYSIS                   (uCi/ml) i Principal-Gamma Emittersb,c          1x10-4 I
H-3c.                                lx10-6 I-131 d                              1x10-12             .;
I-133 d                             1x10-10                ;
Principal Gamma Emittersb ,e        1x10-11 (I-131,:others)
Gross' Alpha f                       1x10-11 Sr-89, Sr-909'                      1x10-11
                                                                             . .(
Table 3 Notations                           <
       '"The'LLD is. defined, for purposes of these specifications,'as the
        -smallest' concentration of-radioactive material in a sample that will, yield a net count,.above system background, that will be-detected with 95% probability with only 5%. probability'of 4
falsely concluding that a blank observation represents a "real"    3
        . signal,                                                           j  -
        'For a particular measurement system, which'may include
        -radiochemical separation:-
.                                   4.66.sb LLD =
E x V x 2.22 x 10 6 x Y x exp (-AAt) 24                                     .

M;7 Table 3 Notations (Cont'd)
LWhere:
LLD is the "a priori" lower limit-of detection as defined above, as microcuries per unit mass or volume, sb is the standard deviation of the background counting rate or of the counting rate of a blank sample as' appropriate, as counts per minute, E is the counting efficiency, as counts per disintegration,                            f V is the sample. size in units of mass or volume, 2.22 x 10 6 is the number of disintegrations per minute per microcurie, Y is the fractional radiochemical yield, when applicable, 1 is the radioactlye decay constant for the particular radionuclide (sec~ ) and At for plant effluents is the elapsed time between the midpoint of sample collection and the time of counting-(sec).
It should be recognized that the LLD is defined as an a oriori (before the fact) limit representing the capability of a measurement system and not as an a costeriori (after the fact)-
limit for a particular measurement.
bThe principal gamma emitters for which the LLD opecification applies include the following radionuclides:                             Kr-87, Kr-88,-Xe-1133, Xe-133m, Xe-135, and Xe-138 in noble gas releases and Mn-54,'Fe-59, Co-58, Co-60, Zn-65, Mo-99, I-131, Cs-134, Cs-137, Ce-141 and Ce-144 in iodine'and particulate releases. This' list doesinot mean that only these nuclides are to be considered.
Other gamma peaks that are identifiable, together with those of the above nuclides, shall also be analyzed and reported in the Semiannual Radioactive Effluent Release Report.
cMonthly grab sample and analysis d Continuous charcoal sample analyzed weekly eContinuous particulate sample analyzed weekly f Composite  particulate sample analyzed monthly 9Composite particulate sample analyzed quarterly 25

I TABLE 4 WATERBORNE EFFLUENTS - SUMMATION OF ALL RELEASES Data Period: January 1, 1990 - June 30, 1990 Nuclide Category            Unit       First Quarter      Second Quarter 3 A. Fission-& Activation Products             '
: 1. Total Release            Ci            0.00E+00           3.17E-03*
: 2. Average Diluted Concentration          uCi/ml         0.00E+00          4.68E-07*
: 3. Percent of Applicable Limit       %              0.00E+00          2.54E-01*
B. Tritium
: 1. Total Release            Ci             0.00E+00          6.94E-02
: 2. Average Diluted Concentration          uCi/ml         0.00E+00   1 2.02E   3. Percent of Applicable Limit        %             0.00E+00     ,    5.55E+00 C. Dissolved and                                        I Entrained Gases
: 1. Total Release            Ci            0.00E+00          0.00E+00
: 2. Average Diluted Concentration           uCi/ml        0.00E+00           0.00E+00
: 3. Percent of Applicable Limit        %             0.00E+00           0.00E+00 D. Gross Alpha Radioactivity Released               Ci             0.00E+00          2.17E-06 E. Volume of Waste          gal.           0.00E+00          1.96E+04 Released                liters        0.00E+00          7.42E+04 F. Volume of Dilution      gal.          0.00E+00          1.79E+06 Water Used              liters        0.00E+00          6.78E+06 3-    . Notation: With respect to second quarter data, an entry of 0.00E+00 does not represent the absence of a radionuclide but indicates that the concentration of the nuclide was below the LLD'value listed in Table 6.
* Reported values include Fe-55 values based on first quarter 1990 sample analyses and second quarter discharge volumes.        !
26 i

t l
i TABLE 5-WATERBORNE EFFLUENTS (Curies)
Data Period: January 1, 1990 - June 30, 1990 Nuclide              First Quarter     Second' Quarter 4 A. Tritium                  0.00E+00          6.94E-02 B.' Fission & Acti-                                                .
vation Products                                                l Cr-51                                    0.00E+00 Mn-54
* 7.14E-04
                                                   -Co-58                                     9.04E-05            ,
Co-60                                    2.30E-03 Fe-55                                    6.23E-05*
.                                                    Fe-59              l                     0.00E+00            !
Zn-G5                                    0.00E+00 Sr-89                                    0.00E+00 Sr-90                                    0.00E+00 Mo-99                                    0.00E+00 Sb-124                                   0.00E+00-I-131                                    0.00E+00:
I-133.                                   0.00E+00 I-135                                    0.00E+00:
Cs-134                                   0.00E+00 Cs-137                                   0.00E+00-Ba '140                                  0.00E+00            '
La-140                                   0.00E+00 l
Ce-141                                   0.00E+00 l-                                                   Ce-144                                   0.00E+00             ,
Total-                 0.00E+00          3.17E-03 C. Dissolved and                                                 -
1 Entrained Gases L                                                    Kr-85 L                                                    Kr-85m                                                       i l:                                                   Kr-87 Kr-88
                                                    .Xe-133 L
l=                          ,
Xe-133m Xe-135 L                                                    Xe-135m Xe-138' Total                  0.00E+00          0.00E+00 4- Notation:       With respect to second quarter data, an entry of 0.00E+00 does not represent the absence of a radionuclide l                                             but indicates that the concentration of the nuclide was below the LLD value listed in Table 6.
l-l
* Reported value is estimated based on third quarter 1989 sample analyses and second quarter 1990 discharge volumes.
: j.                        ,'                                                 27

F TABLE 6 1
l RADIOACTIVE LIQUID WASTE LLD VALUES LOWER LIMIT OF ,
TYPE OF                     DETECTION (LLD,2 ACTIVITY ANALYSIS                     (uci/ml)
Principal Gamma Emitters    D          5x10~7 I-131                                 '1x10-6          .!
Dissolved and Entrained Gases          1x10-5 (Gamma Emitters)                                       ,
H-3                                    1x10-5 Gross Alpha                            1x10~7 I
Sr-89, Sr-90                           5x10-8 Fe-55                                  1x10-6            ;
Table 6 Notations-aThe LLD is' defined, for purposes of these requirements, es'the smallest concentration of radioactive material'in:a sample that-   t will yield a net count, above system background, that will be detected with 95% probability with only 5% probability of falsely concluding that a' blank observation represents a "real" signal.
i       For a-particular measurement system, which may include L       radiochemical separation:
E j                                 4.66 sb i
LLD =
ji                 E x V x 2.22 x 10 6    x y x ,xp (-Aat)
L                                                                          !
h 28                                 i

g             .       -                -       .
W  9
                                                                                     }
p           '
Table'6 Notations (Cont'd)-
Where:
LLD is the "a priori" lower limit of detection as defined         l above, as microcuries per unit mass or volume, sb.islthe standard deviation of the background counting rate or of the counting rate df a blank. sample as appropriate, as   .l counts.per minute, 16                  E is the counting efficiency,.as counts per disintegration,     h V is the sample sire in units of mass or volume,                  I i
2.22 x  10 6 is the number of disintegrations per minute per      i microcurie, Y is the fractional radiochemical yield, when applicable,        i L'                   A is the radioactl                                                 l radionuclide (sec-ye     decay' constant for the particular
                                         ) and-                                        1 I
l                   At for plant' effluents is the elapsed time between the             ,
L                   midpoint of sample collection and the time of counting             i
!                    (sec).                                                            1 Typical values of E, V, Y, and At should be used in the calculation.
It should be recognized that the LLD is defined as an a orlori (before the fact) limit representing the capability of a
[
measurement system and not as an a costeriori (after the~ fact)        .
L               limit for a.particular measurement.-
L b The principal gamma emitters for which the LLD requirement              '
applies include the following radionuclides: Mn-54, Fe-59,.Co-58,- Co-60, Zn-65, Mo-99, Cs-134, Cs-137, and Ce-14        Ce-144 shall'also.be measured, but with an LLD of 5 x lo-g.. This list L
l               does' not mean that only these nuclides are to be detected and         ,
: l.              reported. Other gamma peaks that are measurable, together with       ;
              .those of the above nuclides, shall also be analyzed and reported L               in the Semiannual Radioactive Effluent Relsase Report, t
l lI l                                               29 1

                                                                .                          t SOLID WASTE.1MD IRRADIATED FUEL EHIPMENTS b
During this reporting period'there were twenty (20) radioactive                 I waste shipments and no irradiated fuel shipments from CPS as                     ,
reported in. Table 7'. All; waste shipped in this reporting period              !
was classified as ClassLA. In addition,. CPS Technical Specifications,;section 6.9.1.7 requires reporting of the followi: g information for solid waste shipped offsite during the               I, report period:                                                                  '
                                                                                              'I
          = 1.,      Container volumet   177.9 cubic feet, 183.2 cubic feet, 1173 cubic feet *.
: 2.       Total curie quantity:     118.25 curies as determined by dose-to-curie and sample concentration methodology estimates.
: 3.        Principal radionuclides:     See Table 7, A.2 for listing of        9 measured radionuclides'.
: 4.        Source of waste ~and processing employed: Resins, filter sludges and evaporator bottoms dewatered or holidified in cement. Compacted and ron-compacted dry active waste.     -
          -5.        Type of container:. Type A and Strong Tight container.
: 6.        Solidification agent or. absorbent:     Cement (no absorbents        i used).
* These containers were shipped to a waste processor, not to a burial site.
l k
L L
l t
30 l L _ __- ___ _-

.y           y                  a klW
  ,   q 4
TABLE 7 SOLID WASTE ANO IRRADIATED FUEL SHIPMENTS January l', 1990 - June 30, 1990 l
A. ' SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSA7-(not irradiated fuel).                                                      J 6-MONTH      uST. TOTAL
: 1.   . TYPE OF WASTE-                   UNIT  PERIOD        ERROR, %
a.-    Resins,                     m.3  8.16E+01 filter sludges,             Ci   1.18E+02        25.0 evaporator bottoms, etc.
l 3
: b. Dry compactible             m    2.56E+01 waste, contaminated         Ci   2.48E-01         25.0'     ,
equipment, etc.
                           - c. Irradiated components       m3   0.00E+00
                                  -control rods, etc.          Ci   0.00E+00          0.0 3
: d. Other                       m    0.00E+00 Ci   0.00E+00          0.0   3 l
: 2. ESTIMATE OF MAJOR NUCLIDE COMPOSITION NUCLIDE             PERCENT
_NAME-               ABUNDANCE        CURIES
: a. Fe-55                64.98%          7.67E+01 Co-60                19.29%          2.28E+01 1,                                 Mn-54                  8.65%         1.02E+01 r                                  Cr-51                  4.57          5.39E+00 L                                  Fe-59                  1.52%         1.80E+00-L                                  OTHER                  0.97%         1.16E+00
: b. Fe-55                32.65%          7.70E-02                <
Co-60                24.84%          5.85E-02               [
Mn-54                18.48%          4.35E-02                -
j Ag-110m              17.56%          4.14E-02
:                                  Co-58                  4.37%         1.03E-02 L                                  Cr-51                  2.03%         4.78E-03               3 OTHER                  0.04%         9.60E-05
: c. NONE                    N/A'             N/A
: d. NONE                    N/A              N/A 1
l' l'
(                                                      31 H
l

                                                                                            .~    -      .          .
                                                                                 .                                    ;r
                                                                                                                        .\
  .f                                                                                                                     .
                                                                                                                      ~;
TABLE 7 (Cont'd)
                                                  #                 ~
SOLID WASTE AND: IRRADIATED FUEL SHIPMENTS               .
January 1, 1990 - June 30,-1990                         .
                                                                                                                      ,l 3.- SOLID WASTE DISPOSITION
                                                                                                                      'i NUMBER.OF SHIPMENTS     MODE OF-TRANSPORTATION   DESTINATION-            ,
i 16                         Truck        Richland, WA 4'                       -Truck        Barnwell, SC           '
B. IRRADIATED FUEL SHIPMENTS (Disposition)                                i NUMBER - OF SHIPMENTS   MODE OF TRANSPORTATION    DESTINATION NONE                           N/A              .N/A -
i
( '.
i I
                                                                                                                           )
32

OW                                                                                  !
di i
                                                  -TABLE 8=
ESTIMATED TOTAL ERRORS L880CIATED WITH EFFLUENT MEASUREMENT 8:                  .
i, Measurement                      Averace % Errqr. Larcest % Error o
y
               .1. Airborne Effluents
                    .a. Activation &. Fission.
     , ,                  Cases
   ,f"
                                 ~
Xe-135                         120.4-        124.8 b.~ Iodine-131                     131.1.        146.9         ;
4
: c. Particulates Na-24                          124.9         125.5 Cr-51'                         126.5         132.9
                         .Mn-54                          130.5         138.2         i Tc-99m                         12 4 . 5 ~    125.9         [
                   .d. Gross Alpha                       124.8         134.6
: e. Tritium                         120.8         121.0      .,
: f. Beta Emitters
                         .Sr-89                            21.7        125.0 Sr-90                          115.8          25.0         <
2.' Waterborne Effluents
                                          .                                         i
: a. Activation & Fission Products p                         Cr-51                          120.4         133.8 L                         Mn-54                          112.6         117.2         ;
l Co-58                          115.2         120.1 Co-GO                          112.4         116.7        i
)'                    b. Tritium                         i 1.1           1.2 g                     c. Gross Alpha                     135.5         148.3        <
l-
: d. Beta Emitters L                         Sr-89                              2.3       i 6.1 Sr-90                          1 3.8         114.7        !
Fe-55                          1 6.2          12.6        3 1
i l
i 33

TABLE 9' i
EFFLUENTDATANOTAVAILABLE' PREVIOUS SEMIANNUAL REPORTGOR Data. Period: October-31, 1989.- December 31, 1989-i
     , Nuclide Category Unit         Fourth Quarter 1989.
A.. Airborne Effluents
: 1. Sr-89                       Ci               2.36E-05 2.;Sr-90                       Ci               0.00E+00
                                                                           '\
f i
k l
l, l<
5      Notation:    An entry of 0.00E+00 does not represent the absence of a radionuclide but indicates that the concentration was below the LLD value listed in Table 3.
                                         ?> 4 i

B i
SECTION 5                                                                                    I
{
METEOROLOGICAL DATA &                                                                                         2 DISPER810N ESTIMATES                                                                                     &
s
                                                                                                                                                                 ^4 Q
e f
a
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                                                 ; w'      "                     y            ,                  .
a
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{                   ( ' g$y-{!
h              g . 4NI            ..
M       i
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it ff fijfYf                                               [V F O                                                                   -
s%R ydh8 k@h@j,gp#%s}k!
(
eA N44 fh         !!$
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_1 plq                                                             -
s asr                  ,s w:                          7 a[, ,% e[                   a$} W           }} ,      ,                                                l l
V;                .        yy           %;                                              ~
q        :
                                                                                      . z, . i
['m 9   g ..              jy                                                                          ,
go.                     ,.
:                y       !=            g  l       .
n
                                                                ' LJ ". '
                                                                  ;                               ,                _ _ _ _ _ =         -s.
w                       ..
g             g;       .
                                                                                     .s 1 ,
s      .1                           4 o, x

METEOROLOGICAL DATA AND DISPERSION ESTIMATES The meteorological monitoring program began at the Clinton Power Station site on April 13, 1972.. The meteorological system consists of a tower 199 feet high with two levels of instrumentation, at the 10-meter and 60-meter levels. Wind directions and speeds at the 10-meter and 60-meter levels are measured by a combined cup and vane sensor. The temperature at these levels is sensed by an aspirated dual temperature sensor.
One-half of the dual sensor at each elevation is used for ambient temperature while the other half'is used-to provide a differential tempertture between the 10- and 60-meter levels.
Dew-point is measured at the 10-meter level with an aspirated dew-point sensor. Precipitation is measured at ground level by a tipping bucket rain gauge.
Meteorological monitoring instruments have been placed on the Clinton Power. Station microwave tower at the 10-meter level to act as a backup to the existing meteorological tower.
Clinton Power-Station meteorological data is transmitted,to the Main Control Room via a dedicated telephone line. There the signals are received and converted to a 4 to 20 milliamp signal and fed individually to a microprocessor and chart recorders.
The microprocessor is part of the Clinton Power Station Radiation Monitoring System. Meteorological data is available via the microprocessors in the Main Control Room, Technical Support Center and Radiation Protection office.
Dispersion modeling for effluents for normal operation of Clinton Power Station is a straight-line, sector-averaged Gaussian plume model designed to estimate average relative concentration at various receptor points. The model was developed in accordance with routine release analysis procedures specified in Regulatory Guide 1.111. For joint frequency input data, periods of calm are distributed in accordance with a directional distribution. For hourly input data, periods of calm are assigned the previous hour's wind direction. Periods of calm are assigned a wind speed value of half'the specified instrument threshold value. See Tables 10-12 and Figures 4-6 for more detailed information on meteorology and dispersion data, s
35

y
   ' ;            a                                                                                             ,i
      +                .                                                                                        i e
n                                                                   TABLE:10f METEOROLOGICAL DATA - AVAILABILITY
  .                                          Data' Period:       January 1, 1990 - June 30, 1990                ,
Percent of Valid.
                      ' Parameter                                                  Hours Durina Perio'd-
* 1 . Wind Speede m
                            .a.--10-meter Sensor                                         .9 8 % -
: b. 60-meter' Sensor-                                        97%
2.: Wind Direction                                                                   4
                            ~
: a. 10-meter Sensor                                          98%
: b. 60-meter Sensor                                          97%'             -r 3.: Temperature a.-10-meter                                                 98%
b.-1 Temperature Difference (10m-60m)                       96%.                 ,
1 1
4.. Percent of-hours for which valid                               96.1%
10-meter Wind Speed, Wind Direction,                                             l
                             -&" Delta _ Temperature were available L-                  :
: 5. Percent of hours for which valid                                95.9%
60-meter Wind Speed, Wind Direction,
                              & DeltaiTemperature were available I
!                                                                                                               r
                                                                                                               ?
l-                                                                                                             t L                                                                                                              i l'
                                                                                                           ~
b L
t l
l I
36
_ _            = _ _ _ _ _ _ - _ _ _ _ - _ _ _ _ _

FIGURE.4-                                                                                     i CPS WIND. ROSE       10-METER' Data. Period:. January 1, 1990 -' June.30,'1990 N-                                                                                   -i NNW                             NNE 3.7%                            5.0%                                                                     a NW                                                         NE                                                               >
6.7%                                                      3.8%                                                             .I WNW                                                                                                                                                    ENE'                        !
7.3_%                                                                                                                                                2.7%
h       M                                                                                i
                                                                                                                                            .,     m "6.4%                                                                                                    I          I
                                                                                                                                                           !!III                                                                   3.0%_
i
                                                                                                                                                   =
WSW                                                                                                                                                                              I E                                                            ESE:
: r.                                                   4.9%                                                                                          E                                                      3.4%                             ::
L                                                                                                                                                  =                                                                                     ,!
                                                                                                                                                   =
                                                                                                                                                   =                                                                                        ,
E                                                                                       '
                                                                                                                                                   =
E                                                                                        !
t l                                                                                                              SW                                                         SE l                                                                                                             6.0%                                                      6.0%
1:
i SSW                             SSE                                                                      i L                                                                                                                                13.0%                           7.4%
J                                                                                                                                                    S                   WIND SPEED KEY 14.0%                   -
PH-L                                                                                                                                                                        E    19-24 MPH P
E 13-l8 MPH 8-l2 MPH                                                     '
4-7 MPH i-3 MPH 37 lt i

i a                                                                                                         1
     .y         ,                                                                                          ;
l A        '
FIGURE 5~
                                .. CP8 WIND ROSE 3.60-METER Data Period: -January- 1,--19901- June 30, 1990 V                                                                                                             ,
NNW                             NNE                                            !
5.0%                            5;1%                                            7 l-
                  .NW                                                            NE                        ,;
5.8%                                                         4'.0%
I WNW                                                                            ENE.-
5.6%                                                                             2.6%
(
s
                                                                                                             }
I                               !                                    3.0%
   -6.3%
5      %F                                               "
            -WSW                   -
EGE             !
           '4.8%'                                                                           3.5%
i SW                                                             SE 6.'7%                                                        3.9%
SSW.                           SSE S                             WIND SPEED KEY:
13.5%                            -
                                                                                      >24 MPH            :
l
                                                                                 @    19-24 MPH E    13-18 MPH 8-l2 MPH 4-7 MPH I-3 MPH i
38

t
_r d-FIGURE 6 l                                           CLINTON POWER STATION
    ' DISTRIBUTION OF ATMOSPHERIC STABILITY CLASS Data Period: January - June 1990
                            /
g      EXTREMELY UNSTABLE 1357 Hours /33.0%
s~
N-                         W      MODERATELY UNSTABLE E 95 Hours /2.3%
8                                                                                                                 SLIGHTLY UNSTABLE N
128 Hours /3.1%
N    -
K        NEUTRAL s                                                          N   h       926 Hours /22.5%
                                                                                                                  . SLIGHTLY STABLE s                                                            .1099 Hours /26.7%
7        MODERATELY STABLc 3'2 Hours /9.0%
EXTREMELY STABLE 140 Hours /3.4%
Based on Joint Wind Frequency Distri'oution at 10 Meters.
(4117 Hourly Values)
      . - , . .-a,,,        ,   , , . .       ,,           w             -   p.    -.3     _.a..m.., , ,, ,     ww.>.-    + w g,,    .- . y. , . -y,,..,,,            -
                                                                                                                                                                  ..4

 . Q' ,
kin ,
    - l 2,                              TABLE 11 CLASSIFICATION OF ATNOSFRERIC STABILITY U!
m 9tehility                 Pasquill        Defining Classification            Categories      conditions Extremely unstable            A           -0.900<aTS-0.019 Modorately unstable           B           -0.019<aTS-0.017 011ghtly unstable             C           -0.017<aTs-0.015
    'Hsutral                       D           -0.015<aTS-0.005 Slightly stable               E           -0.005<aTS 0.015 Modcrately stable             F             0. 015<aTS 0. 04 0 Extremely stable              G             0.040<aT1 0.900 Invalid                                     ATS-0.900 or AT>0.900 AT = temperature difference in Celsius degrees per meter 40

'1)                                                                                                                                >
1ABLE 12. Pept 1 of 7 JOINT WIND FRIQUENCY Dl8TRIBUTIDN BY STABILITY CLA$$
Date Period: January 1, 1990 June 30, 1990 STAttttfy etAS$ A WIND SPEED (MPN) 41 10 METER LEVEL DIRECTIDW       13          47            8 12         13 18         19 24        >24      total                             .
N           9.0DE 00    2.00E 01       4.90E 01      1.40E 01      0.00E 01    0.00E 01  9.20E 01 NNE         2.0DE 00     1.90E 01      2.30s 01      7.00E 00      0.00E D1    0.00E 01  5.10E 01 NE          3.0DE 00     1.2DE 01      1.90E Of      i.00* 00      1.00E 00    0,00E 01  3.6DE 01 ENE         1.0DE 00     5.00E 00      1.40E 01      1.80E 01      0.00E 01    0.00E 01  3.80E 01 E           2.00E 00     1.60E 01      3.60E 01      1.00E 01      0.00E 01    0.00E 01  6.4DE 01 ESE         1.0DE 00     1.70E 01      2.40E 01      0.00E 01      0.0DE 01    0.00E 01  4.2DE 01 SE          1.00E 00    3.60E 01       2.90E 01      2.00E 00      0.00E 01    0.00E 01  6.8DE 01
      $$E         2.00E 00     2.60E 01      3.5DE 01      2.20E 01      1.00E 00    0.00E 01  8.6DE 01
      $           3.0DE 00     2.7DE 01      6.5DE 01      6.70E 01      1.3DE 01    7.00E 00  1.82E 02
      $$W         0.00E 01     2.0DE 01      6.3DE 01      7.3DE 01      1.90E 01    3.00E 00  1.78E 02 SW          3.0DE 00     1.2DE 01      4.20E 01      3.5DE 01      6.00E 00    0.00E 01  9.80E 01 WSW         2.0DE 00     2.3DE 01      2.00E 01      1.30E 01      3.00E 00    1.00E 00  6.2DE 01 W           2.00E 00     1.3DE 01      3.90E 01      1.50E 01      1.30E 01    2.10E 01  1.03E 02 WNW         3.00E 00     1.70E 01      2.90E 01      3.00E 01      1.1DE 01    7.00E 00  9.7DE 01 NW          5.0DE 00     2.00E 01      3.40E 01      3.80E 01      7.00E 00    1.00E 01  1.14E 02 NNW         3.0DE 00     1.5DE 01      2.00E 01      8.00E 00      0.00E 01    0.00E 01  4.60E 01                            ,
TOTAL       4.20E 01     2.98E 02      5.41E 02      3.53E 02      7.4DE 01    4.90E 01  1.36E 03 PERIODS Of CALM (HOUR $): 2.30E 01                                                                                           .
WIND $ PEED (MPH) At 60 METER LEVEL DIRE 110N       13          47            8 12         13 18-        19 24        >24      TOTAL N           1.0DE 00     1.4DE 01      3.60E 01      3.60E 01      1.00E 00    0.00E 01  8.80E 0.
NNE         0.00E 01     9.0DE 00      2.90E 01      1.20E 01      3.00E 00    1.00E 00  5.4DE 01 NE          2.0DE 00     8.00E 00       1.5vt 01     1.40E 01      1.00E 00    0.00E 01  4.00E 01 ENE         0.00E 01     5.00E 00      8.00E 00      1.60E 01      1.00E 00    1.20E 01  4.20E 01 E           1.00E 00     5.00E 00       1.30E 01     1.30E 01      3.202 01    8.00E 00  7.20E 01 ESE         1.00E 00     1.00E 01       1.60E 01     2.00E 01      6.00E 00    0.00E 01  5.30E 01
       $E         2.0DE D0     2.4DE 01      2.40E 01      3.00E 00      0.00E 0's   0.00E 01  5.30E 01
      $$t         2,00E DO     8.00E 00      2.90E 01      1.70E 01      1.20E 01    2.00E 00  7. DOE 01 8          2.0DE 00     1.90E 01      3.10E 01      4.80E 01      3.90E 01    3.50E 01  1.74E 02
       $$W        1.00E 00     1.60E 01      3.10E 01      5.70E 01      3.80E 01    3.40E 01  1.77E 02 SW          2.00E DO     6.00E 00      2.60E 01      3.90E 01      2.60E 01    1.00E 01  1.09C 02 WSW         2.00E 00     1.1DE 01       1.90E 01      1.70E 01     6.00E 00    8.00E 00  6.30E 01 W            1.00E 00    1.20E 01       2.20E 01     2.90E 01       1.00E 01   2.90E 01  1.03E 02 WNW         1.0DE 00    1.1DE 01       2.30E 01     2.40E 01      2.00E 00     1.90E 01 8.0DE 01 NW         3.0DE 00     1.40E 01       1.10E 01     4.30E 01      f.00E 00    1.20E 01  9.20E 01 NNW        5.0DE 00     1.3DE 01       2.00E 01     3.10E 01      6.00E 00    7.00E 00  8.20E 01 TOTAL       2.60E 01    1.85E 02       3.53E 02     4.19E 02       1.92E 02    1.77E 02  1.35E 03 PER100% OF CALM (HOUR $): 2.70E 01 41

i j
TABLE 12, Fage 2 of T JOINT WIND FREQUENCY DistRIButl0N SY STABILITY CLASS                                 ,
Data Feriod: January 1,1990 Jme 30,1990                                          l STAtillTy ctats t                                                                                                ,
1 VIND SPEED tuPw) At 10 METER LEVEL DlDECTION       13         47        , ,,,,,Jy *j       13 18          19 24              >?4       TOTAL N           0.00E 01    0.00E 01        2.0't       -  4.00E 00       1.00E 00         0.0DE 01    7.00E 00 N'd         1.00E 00    1.00E 00                  01   1.00E 00       1.00E 00         0.00E 01    4.00E 00     i WE          0.00E 01    1.00E 00             4 00      8.00E 00       1.00E 00         0.00E 01    1.20E 01 ENE         0.00E 01    0.00E 01        2.00t 00       2.00E 00       0.00E 01         0.00E 01    4.00E 00 E           0.00E 01    1.00E 00        0.00E 01       0.00E 01       0.00E 01         0.00E 01    1.00E 00 ESE         0.00E 01    3.00E 00        2.00E 00       0.00E 01       0.00t 01         0.00E 01    5.00E 00 SE          0.00E 01    2.00i 00        2.00E 00       0.00E 01       0.00E 01         0.00E 01    4.00E 00      ;
  $$E         0.00E 01    0.00E 01        2.00E 00       0.00E 01       1.00E 00         0.00E 01    3.001 00
  $           0.00E 01    3.00E 00        7.00E 00       $.00E 00       0.00E 01         1.00E 00    1.60E 01 SEW         0.00E
* 01  2.00E 00        0.00E*01       4.00E 00       3.00E 00         1.00E 00    1.00E 01 SW          1.00E 00    0.00E*01        6.00E 00       0.00E 01       0.00E 01         0.00E 01    1.00E 00 WSW         0.00E 01    0.00E 01        0.00E 00       0.00E 01       0.00E 01         0.00E 01    0.00E 01 W           0.00E 01    3.00E 00        3.00E 00       0.00E 01       1.00E 00         3.00E 00    1.00E 01 WNW         0.00E 01    1.00E 00        2.00E 00       1.00E 00       0.00E 01         1.00E 00    5.00E 00 '
WW          0.00E 01    0.00E 01        1.00E 01       6.00E 00       4.00E 00         0.00E 01    1.1bE 01 NNW         0.00E 01    0.00E U1        1.00E 00       1.00E 00       0.00E 01         0.00E 01    2.00E 00 T01AL       2.00E 00    1.70E 01        2.60E 01       3.20E 01       1.20E 01         6.00E 00    9.50E 01 PERIODS OF CALM (HOURS): 1.00E 00 WIND SPEED (MPH) AT 60 METER LEVEL DIRE CilDN      13         47               8 12        13 18          19 24             >?4        TOTAL N           0.00E 01    0.00E 01        1.00E 00       4.10E 00       2.0?E 00         0.00E 01    7.00E 00 NNE         1.00E 00    0.00E 01        2.00E 00       1.00E 00       1.00E 00         3.00E 00    8.00E 00 NE          0.00E 01    0.00E 01         1.00E 00      2.00E 00       3.00E 00         3.00E 00    9.00E 00 ENE         0.00E 01    0.00E 01        0.00E 01       2.00E 00       2.00E 00         0.00E 01    4 00E 30 E           0.00E 01    1.00E 00        0.00E 01       0.00E 01       0.00E 01         0.00E 01    1.00E 00 ESE         0.00E 01    1.00E 00        3.00E 00       3.00E 00       0.00E 01         0.00E 01    7.00E 00 SE          0.00E 01    1.00E 00        0.00E 01       1.00E 00       0.00E 01         0.00E 01    2.00E 00 5SE         0.00E 01    0.00E 01        1.00E 00       2.00E 00       0.00E 01         1.00E 00    4.00E 00 S           0.00E 01    0.00E 01        1.00E 00       3.00E 00       3.00E 00         3.00E 00    1.00E 01 SSW         0.00E 01    1.Ont 00        4.00E 00       2.00E 00       1.00E 00         7.00E 00    1.50E 01 SW          0.00E 01    1.00E 00        0.00E 01       0.00E 01       0.00E 01         0.00E 01    1.00E 00 l
l WSW         0.00E 01    0.00E 01         1.00E 00      0.00E 01       0.002 01         0.00E 01    1.00E GO l W           0.00E 01    1.00E 00        3.00E 00       0.00E 01       0.00E 01         3.00E uu    7.00E 00 l
WWW         0.00E 01    2.00E 00        1.00E 00       1.00E 00       0.00E 01         1.00E 00-   5.00E 00 NW          0.00E 01    0.00E 01         1.00E 00      4.00E 00       2.00E 00         1.00E 00    8.00E 00 NWW         0.00E 01    0.00E 01        0.00E 01       1.00E 00       1.00E Q .        4.00t 00    6.00E 00 TOTAL       1.00E 00    8.00E 00         1.90E 01      2.60E 01       1.50E 01         2.60E 01    9.50E 01 PERIDOS OF CALM (HOURS): 0.00E 01 42

T..BLE 12, Page 3 of 7 JOINT blND FREQUEN;Y DISTRIBU110h BY $1AllLITV CLA$$
Dets l'eriod: January 1, 1990        June 30, 1990 ST AtlLITY CL Atl C ylWD $ PEED (MPN) a t 10 ME TE R LE VE L DIPE CT 10N       13          47               B 12         i3 18            10 24        *24       TOTAL N            2.00E 00      0. 00E -01       5.00E 00      2.00E 00         0.00E 01    1.00E 00    1.00E 01 NNE          0.00E 01      0.00E 01         6.00E 00      2.00E 00         0.00E 01    0.00E 01    8.00E 00 NE           0.00E 01      0.00E 01         2.00E 00       1.00E 00        0.00E 01    0.00E 01    3.00E 00 ENE          0.00E 01      0.00C 01         7.00E 00      3.00E 00         0.00E 01    0.00E 01    1.00E 01 E            0.00E 01      1.00E 00         2.00E 00       0.00E 01        0.00E -01   0.00E 01    3.00E 00 ESE          1.00E 00      4.00E 00         0.00E 01       0.00E 01         0.00E 01   0.00E 01    5.00E 00 SE           0. DOE 01     4.00E 00         5.00E 00       0.00E 01         0.00E 01   0. 00E - 01 9.00E 00
$5E          0.00E 01       1.00E 00        2.00E 00       3.00E 00         0 00E 01   0.00E 01    6.00E 00 5           0.00E 01      0.00E 01         4.00E 00       7.00E 00         1.00E 00   0.00E 01     1.20E 01 55W          0.00E 01      2.00E 00        3.00E 00       5.00E 00         5.00E 00   0.00E 01    1.50E 01 SW           0.00E 01      2.00E U0        3.00E 00       1.00E 00         0.00E 01   0.00E 01    6.00E 00 WSW          1.00E 00      1.00E 00        2.00E 00       1.00E 00         1.00E 00   0.00E 01    6.004 00 W            0.00E 01      1.00E 00        0.00E 01       1.00E 30         2.00E 00   2.00E 00    6.00E 00 WNW          0.00E-01      0.00E 01         1.00E 00      2.00E 00         2.00E 00    1.00E 00   6.00E 00 NW           0.00E 01      2.00E 00         4.00E 00       1.00E 01        2.00t 10    1.00E 00    1.90E 01 NNW          0.00E 01      0.00E-01         3.00E 00       1.00E 00        0.00E 01    0.00t 01    4. DOE 00 101AL        4.00E 00      1.80E 01         4.90E 01       3.00E 01         1.30E 01   5.00E 00    1.2BE 02 PER1005 of CALM (HOURS): 1.00E 00 WIND SPEED (MPH) AT 60 METER LEVEL DIRECTION         13          47              8 12          13 18            19-24        >24       TOTAL N            0.00E 01      0.00E 01        3.00E 00       5.00E 00         1.00E 00   0.00E 01    9.00E 00 NNE          0.00E 01      0.00E 01        2.Dat 00       5.00E 00         1.00E 00   0.00E 01    8.00E 00 NE           0. 00E - 01   0.00E 01        0.00E - 01     6.00E 00         0.00E 01   0.00E 01     6.00E 00 ENE          0.00E 01      0.00E-01         0.00E-01      5.00E 00         3.00E 00    0.00E 01    6.00E 00 E            0.00E-01      1.00E 00         0.00E-01       1.00E 00        1.00E 00   0.00E 01     3.00E 00 E SE         0.00E 01      4.00E 00         1.00E 00       1.00E 00        0.00E 01    0.00E-01    6.00E 00 SE          0.00E 01      1.00E 00         2.00E 00       3.00E 00        0.Drs 01    0.00E 01    6.00( 00
   $$E         0.00E 01      1.00E 00         1.00E 00       2.00E 00         1.00E 00   0.00E 01    5.00E 00 5           0.00E 01      0.00E 01         3.00E 00       3.00E 00        2.00E 00    5.00E 00    1.30E 01 SSW         0.00E 01      0.00E-01         1.00E 00       3.00E 00         0.00E 01   9.00E 00    1.30E 01 SW          0.00E 01      0.00E 01         2.00E 00       2.00E 00         3.00E 00   0.00E-01    7.00E 00 VSW         0.00E 01      2.00E 00         2.00E 00       1.00E 00         2.00E 00   1.00E 00    8.00E 00 W            1.00E 00      1.00E 00        0.00E 01       1.00E 00         0.00E-01   3.00E 00    6.00E 00 WWW          0.00E 01     0. 00E - 01       1.00E 00      1.00E 00         1.00E 00   2.00E 00    5.00E 00 WW           0.00E 01      1.00E 00        2.00E 00       5.20E 00         2.00E 00    2.00E 00    1.20E 01 ENW          0.00E 01      0.00E Oi        3.10E 00       4.00E 00         3.00E 00    2.00E 00    1.?0E 01 TOTAL       1.00E 00      1.10E 01         2.30E 01      4.80E 01         2.00E 01    2.40E 01    1.27E 02 PERIODS OF CALM (HOURS): 2.00E 00 43

TABLE 12, Page 4 of 7 J0lWT WIND FREQUEhCT OlsttiSUTION SY STABILITY C. ASS Data Period: January 1,1990 June 30,199J STABitifY CLASS D WIND SPEED (MPW) Af 10 METER LEVEL DIRECTION         13        47              B 12           13 18                    19 24                               >24       TOTAL N             1.00E 00   1.90E 01      2.60E 01        3.00E 01                    3.00E 00                          1.00E 00    8.00E 01 NNE           3.00E 00   2.20E 01      4.60E 01         2.10E 01                   5.00E 00                          0.00E 01    9.70E 01 NE            2.00E 00   1.50E 01       1.90E 01        1.20E 01                   2.00E 00                          0.00E 01    $.00E 01 ENE           2.00E 00   7.00E 00       8.00E 00        4.00E 00                   0.00E 01                          0.00E 01    2.10E 01 E             1.00E 00   6.00E 00       5.00E 00        0.00E 01                   0.00E 01                          0.00E 01    1.20E 01 E&E           2.00E 00   1.50E 01      6.00E 00         0.00E 01                   0.00E 01                          0.00E*01    2.30E 01 SE            0.00E 01   8.00E 00         1.10E 01      3.00E 00                   0.00E 01                          0.00E 01    2.20E 01
       $$E           0.00E 01   1.30E 01        2.50E 01        1.60E 01                  0.00E 01                          1.00E 00    5.50E 01 8            0.00E*01   8.00E 00         4.60E 01       2.60E 01                  6.00E 00                          1.00E 00    8.70E 01 SSW          2.00E 00   4.00E 00         4.70E 01       4.20E 01                  9.00E 00                          2.00E 00    1.06E 02 SW            1.00E 00  9.00E 00         1.90E 01       1.00E 01                   1.00E 00                         0.00E 01    4.00E 01 WsW           1.00E 00  6.00E 00         7.00E 00       8.00E 00                  3.00E 0,0                          1.00E 00   2.60E 01 U             1.00E 00  5.00E 00         1.10E 01       2.40E 01                   8.00E 00                          1.20E 01    6.10E 01 WNW           1.00E 00   6.00E 00        2.10E 01       4.00E 01                   1.90E 01                          1.20E 01   9.90E 01 WW            1.00E 00   1.10E 01        2.10E 01       3.30E 01                   1.10E 01                          5.00E 00    8.20E 01 NNW           0.00E 01   8.00E 00        3.00E 01        2.30E 01                  4.00E 00                          0.00E 01    6.50E 01 101AL         1.80E 01   1.62E 02        3.48E 02        2.92E 02                  7.10E 01                          3.50E 01    9.26E 02 PERIODS OF CALM (H(URS): 1.90E 01 VIND SPEED (MPW) At 60 METER LEVEL DIRE CT IDW      13        47              B-12              13 18                  19 24                              >?4        TOTAL N            0.00E 01   1.30E 01         2.00E 01        5.80E 01                 2.80E 01                          7.00E 00     1.26E 02 NNE          0.00E 01    1.30E 01        3.10E 01        2.20E 01                 6.00E 00                           1.60E 01   8.80E 01 NE            1.00E 00  3.00E 00         1.90E 01        2.40E 01                  7.0CE 00                          1.00E 00    5.50E 01 ENE           1.00E 00   3.00E 00        5.00E 00         3.00E 00                 6.00E 00                          1.00E 00    1.90E 01 E             1 00E 00   3.00E 00        4.00E 00         4.00E 00                 1.00E 00                          0.00E 01    1.30E 01 ERE           0.00E 01   1.10E 01        9.00E 00         4.00E 00                 0.00E 01                          0.00E 01    2.40E 01 SE           0.00E 01   4.00E 00        1.20E 01         2.00E 00                 3.00E 00                          3.00E 00    2.40E 01 SSE          0.00E 01   0.00E 01        9.00E 00         1.20E 01                 6.00E 00                          4.00E 00    3.10E 01 5            1.00E 00   2.00E On        1.40E 01         3.90E 01                 3.80E 01                          1.50E 01    1.09E 02
          $$W          1.00E 00   1.00E 00        1.10E 01         3.50E 01                 2.80E 01                          2.10E 01    9.70E 01 SW           0.00E 01   4.00E 00        6.00E 00          1.EDE 01                9.00E 00                          2.00E 00    3.90E 01 WSW          0.00E 01   2.00E 00        8.00E 00          1.70E 01                1.10E 01                          4.00E 00    4.20E 01 W            1.00E 00   5.00E 00         1.00E 01         1.30E 01                 1.10E 01                         1.30E 01    5.30E 01 WWW          0.00E 01   3.00E 00         7.00E 00         2.00E 01                 1.10E 01                         2.50E 01    6.60E 01 NW           0.00E 01    1.00E 00        7.00E 00         2.90E 01                 1.20E 01                          1.10E 01   6.00E 01 WNW          0.00E-Oi   4.00E 00         1.50E 01         2.iOE 01                 1.70E 01                          7.00E 00    6.40E 01 101AL        6.00E 00    7.20E 01        1.87E 02         3.21E 02                 1.94E 02                          1.30E 02    9.10E 02 PERIODS OF CALM (HOURS): 3.20E 01 44

l TABLE 12, Page 5 of 7 JOINT WIND FRIQUENCY DitTRIBJ110N BY $1 ABILIFY CLAtt Data Feriod: January 1, 1990 Jure 30,1990 STABillTV CLA$$ E WIND SPEED (MPM) At 10 METER LEVEL DIREtilDN         13          47            B 12         13 1B          19 24        >24        TOTAL W           5.00t 00       2.60t 01      1.90E 01      1.00t 00       0.00E-01    0.00t 01    5.3DE 01 WN!          6.00t 00      1.20f 01      1.00E 01      0. 00E - 01    0.00E 01    0.00t 01    2.8DE 01 NE           2.00t 00      1.2DE 01      1.20t 01      1.001 00       0. 00F - 01 0.00t 01    2.70E 01 (NE          3.00t 00      1.3DE 01      1.00E 00      0.00E 01       0. 0DE - 01 0.00f 01    1. 70E 01 E            2.00t 00      9.0DE 00      4.001 00      3.00t 01       0.00t 01    0.00t 01    1.5DE 01 E SE         1.00t 01      2.90E 01      0.00t 01      0.00E 01       0.00E 01    0.00E-01    3.90f 01 51           8.0DE 00      4.90E 01      9.00t 00      4.00t 00       0.00E-01    0.00E-01    7.0DE 01
  $$t          2.0DE 00      4.70E 01      5.70E 01      9.00t 00       1.00t 00    0.00t-01    1.16E 02 s           5.00t 00      4.10t 01       1.441 02     4.20E 01       0.00t-01    0.00E-01    2.321 02 tsw         4.00E 00      2.90E 01       9.20t 01     5.80E 01       1.00t 00    0.00t 01     1.84t 02 SW          7.00t D0      2.2DE 01       2.00E 01     5.00E 00        1.00E 00   0.00t 01    5.5DE 01 WSW         6.00t 00       1.80E 01      2.50t 01      1.300 01      4.001 00    0.00E 01    6.60t 01 W           3.00t 00      1.70t 01       1.80t 01      1.70E 01       1.00t 00   2.0DE 00     5.80t 01 WNW         2.00t 00      2.10t 01       2.80t 01      1.20E 01       3.00t 00   2.01E 00    6.80E 01 NW          2.00t DO      2.00t 01       1.60E 01      0.00E-01       0.00E 01   0.00E ui     3.60E 01 NNW         5.00E DO       2.20t 01      5.00E 00      1.00t 00       0.00E 01   0.00t 01     3.30E 01 TOTAL       7,20t 01      3.89t 02      4.60E 02      1.63E 02       1.10E 01   4.00t 00     1.10E 03 PERIODS OF CALM (HOURS): 1.2DE 01 WIND $ PEED (MPM) Al 60 METER LEVil DIREC110N        13          47             8 1'         13-16           19 24       >?'       TOTAL N           1.00E 00      1.3DE 01       2.00E 01     2.00E 01       4.00E 00    0.00E-01    5.60t 01 NNE         0.00E-01      7.00E 00       1.90E 01     8.00E 00       1.00E 00    0.00E 01    3.5DE 01 NE          0.00E 01      1. DOE 00      1.40E 01      1.20t 01      5.00t 00    0.00E 01    3.2DE 01 ENE         0.00t-01       1.00t 00      1.20t 01      3.00E 00      0.001 01    0.00t 01     1.60t 01 1            1. Dot DO    0.00t 01       2.00E DO     4.00E 00        0.00t-01   0.00t 01     7. DOE 00 Est         2.00E 00      6.00E 00       2.00t 01      3.00E 00       1.00t 00   0.00E 01     3.2DE 01 SE         3.0DE 00       1.50E 01      2.80E 01      6.00E 00       0.00E 01   0.001 01     . 'nt 01
     $$t         1.00t 00      6.00E D0      2.30t 01      4.00E 01       1.801 01   8.00f 00     9.bc. 01
     $           1.00E 00      2.00f 00      2.90t 01      8.10E 01       7.10E 01   2.40E 01     2.08E 02 stW         1.001 00      4.00t 00      2.20t 01      9.20t 01       6.10E 01    2,10E 01    2.011 02 SW          0.00t 01      5. Dot 00      1.80[ 01     3.30E 01       2.60E ?)    7.00t 00    8.90E 01 Wsw         1.00t D0      1.00E 01       1.40E 01     1.70t 01       8.00E 00    1.00E 00    5,1DE 01 W           2.00E 00      5.00t 00       1.60E 01     2.00t 01       9.00t 00    1.00E 01    6.20E 01 WNW         3.000 00      3.00t DO      2.60t 01      1.60t 01       6.00t 00    1.00E 00    5.50t 01 NW          0. 00E - 01   6.00t 00       1.00f 01     1.90E 01       3. DOE 00   0.00E-01    3.BOE 01 NNW         0.00t 01      6.00f 00       1.90E 01      1.00t 01      0.00t 01    0.00t 01    3.5DE 01 TOTAL       l.60t 01     9.0DE 01       2.92t 02     3.B4E 02       2.13E 02     7.20E 01    1.07E 03 PERIOOS OF CALM (MOURS): 4. DOE 01 45

TABLE 12, Page 6 of 7 J0lW1 WIND FREQUENCY DISTRIBuflON BY STABILITY CLA$$
bate Period: January 1, 1990 June 30, 1990 JTAtltlTY ttAtt t WIND SPEED (MPH) AT 10 METER LEVEL DIRECY10N                1*3             47             B 12         13*iB                 19 24            *24                        TOT AL N                   1.00E 00         1.40E 01       2.00E 00       C.00E 01              0.Or4 01     0.00E 01                       1.70E 01 NNE                 1.00E 00         1.40E 01       0.00E 01       0.00E Oi              0.00E 01     1.00E 00                       1.60E 01 NE                  5.00E 00         1.30E 01       0.00E 01       0.00E 01              0.00E 01     0.00E 01                       1.80E 01 ENE                 4.00E 00         9.00E 00       0.00E 01       0.00E 01              0.00C 01     0.00E 01                       1.30E 01 E                   1.00E 01 -       9.00E 00       0.00E 01       0.00E 01              0.00E 01     0.00E 01                       1.90E 01 ESE                 8.00E 00         1.10E 01       0.00E 01       0.00E 01              0.00E 01     0.00E 01                       1.90E 01 SE                  5.00E 00         1.70E 01       0.00E 01       0.00E 01              0.00E 01     0.00E 01                       2.20E 01
                                     $$t                5.00E 00         2.60E 01       3.00E 00       0.00E 01              0.00E 01     0.00E 01                       3.40E 01 8                  9.00E 00         3.30E 01       1.10E 01       0.00E 01              0.00E 01     0.00E 01                       5.30E 01 ssW                5.00E 00         1.80E 01       1.20E 01       0.00E 01              0.00E 01     0.00E 01                       3.50E 01 SW                 2.00E 00         1.80E 01       6.00E 00       0.00E 01              0.00E 01     0.00E 01                       2.60E 01 WsW                4.00E 00          1.80E 01       1.00E 01      0.00E 01              0.00E 01     0.00E 01                       3.20t 01 W                  4.00E 00          1.30E 01       7.00E 00       1.00E 00              0.00E 01     0.00E 01                      2.50E 01 WWW                4.00E 00          2.00E 01       2.00C 00       0.00E 01              0.00E 01     0.00E 01                      2.60E 01-WW                 3.00E 00          1.00E 01       2.00E 00       0.00E 01              0.00E 01     0.00E 01                       1.50E 01 WNW                1.00E 00         1.00E 00       0.00E 01       0.00E 01              0.00E 01     0.00E 01                       2.00E 00 TOTAL              7.10E 01         2.44E 02       5.50E 01       1.00E 00              0.00E 01     1.00E 00                       3.72E C2 PEtt005 0F CALM (HOUR $): 1.00E 00 WIND $ PEED (MPM) At 60 METER LEVEL glRECT!ON               13             47             B 12          13 18                 19 24               >24                     TOTAL N                 1.00E 00         2.00E 00       7.00E 00       5.00E 00              0.00E 01'     O.00E 01                      1.50E 01 NNE               0.00E 01          1.00E 00      8.00E 00        9.00E 00             0.00E 01      1.00E 00                      1.90E 01 NE                0.00E 01          3.00E 00       7.00E 30       4.00E 00              0.00E 01     0.00E 01                       1.40E 01 ENE               1.00E 00          2.00E 00       6.00E 00       3.00E 00              0.00E 01     0.00E 01                       1.20E 01 E                 2.00E 00          1.00E 00       7.00E 00       2.00E 00              0.00E 01     0.00E 01                       1.20E 01 ESE               0.'00E 01         6.00E 00       1.10E 01       1.00E 00              0.00E 01      0.00E 01                      1.80E 01 SE                 2.00E 00         1.10E 01       5.00E 00       2.00E 00              0.00E 01      0.00E 01                      2.00E 01 SSE               0.00E*01         6.00E 00       6.00E 00       1.00E 01              0.00E 01      0.00E 01                      2.20E 01 5                 0.00E 01         2.00E 00       7.00E 00       2.90E 01              2.00E 00      0.00E 01                      4.00E 01
                                        $$W               0.00E 01         3.00E 00       1.50E 01       4.00E 01              5.00E 00       0.00E 01                     6.40E 01 SW                1.00E 00         3.00E 00       5.00E 00       1.10E 01              0.00E 01       0.00E 01                     2.00E 01 WsW               1.00E 00         4.00E 00       5.00E 00        1.40E 01             2.00E 00       0.00E 01                     2.60E 01 W                 0.00E 01         1.00E 00       8.00E 00       8.00E 00               3.00E 00      0.00E 01                     2.00E 01 WNW               1.00E 00         2.00E 00       7.00E 00        1.20E 01              0.00E 01      0.00E 01                     2.20E 01 NW                0.00E 01          2.00E 00       1.50E 01       8.00E 00              0.00E 01      0.00E 01                      2.50E 01 WNV               2.00E 00          3.00E 00       3.00E 00       J.00E 00              0.00E-01       0.00t 01                     1.00E 01 TOTAL             1.10E 01         5.20E 01       1.23E 02       1.60E 02              1.20E 01       1.00E 00                     3.59E 02 PEtt0DS OF CALM (MOURS): 1.40E 01 46

T ABLE 12, Page 7 of 7 JOINT WIND FREQUENCY DISitlButlON BY STABILITY class Data Period: January 1, 1990                    June 30, 1990 STA81LITY CLASS G WIND SPEED (uPH) At 10 METER LEVEL 47             6 12                       13-18          19-24           24         TOTAL DIPE f t 10N         13 W             2.00E 00         2.00E 00      0.00E 01                      0.00E 01      0.00E-01     0.00E-01       4.00E 00 NNE          6.00E 00          2.00E 00      0.00E-01                      0.00E 01      0.00E 01     0.00E 01       8.00E 00 NE            4.00E 00         8.00E 00      0.00E 01                      0.00E 01      0.00E 01     0.00E 01       1.20E 01 ENE           5.0DE 00         5.00E 00       0.00E 01                     0.00E 01      0.00E-01     0.00E 01       1.00E 01 E             3.00E 00         5.0DE 00       0.00E 01                     0.00E 01      0.00E-01     0.00E 01       8.0DE 00 ESE           4.00E DO         4.00E 00       0.00E 01                     0.00E 01      0.00E 01     0.00E 01       8.0DE 00 SE            1.00E 00        9.00E 00       0.00E-01                     0.0DE 01      0.00E 01     0.00E 01       1.00E 01              lll
 $$E           3.00E DO        6.00E 00       0.00E-01                     0.00E 01      0.00E 01     0. 00E - 01    9.00E 00
 $             5.0DE 00        1.00E 00       0.00E 01                     0.00E 01      0.00E 01     0.00E 01       6.00E 00 SSW             . 00E 00      9.00E 00       0.00E-01                     0.00E-01      0.00E 01      0.00E 01       1.50E 01 SW             9.00E 00        1.00E 01      0.00E 01                      0.00E 01      0.00E 01     0.00E-01       2.70E P1 WSW             5.00E 00      4.00E 00       2.00E 00                      0.00E-01      0.00E 01     0.00E 01       1.10E 01 W               2.0DE D0       1.00E 00       0. 00E - 01                  0.00E-01      0.00E 01     0.00E 01       3.00E 00 WWW             2.00E 00       3.00E 00       0.00E 01                     0.00E 01      0.00E 01     0.00E 01       5. DOE 00 MW              0.00E-01       2.00E 00       0.00E 01                     0.00E 01      0.00E 01     0. 00E - 01    2.00E 00 NNW            0.00E 01       2.00t 00       0.00E 01                     0.00E 01      0.00E-01     0.00E 01       2.00E 00 TOTAL          5.70E 01       8.10E 01       2.00E 00                     0.00E 01      0.00E 01     0.00E 01       1.40E 02 PERIODS OF CALM (HOURS): 2.00E 00 WINO SPEE0 (MPM) At 60 METER LEVEL DIREC11DN            13           47             6 12                        13 18         19 24         >24           TOTAL N              0.00E 01       0.00E 01       1.00E 00                     2.00E 00      0.00E-O'     O.00E 01       3.00E 00 NNE            0.00E 01       0.00E 01       2.00E 00                     0.00E-01      0.00E 01     0.00E-01       2.0DE 00 NE             1.00E 00       3.00E 00       4.00E 00                     0.00E-01      0.00E 01     0.00E-01       8.00E DO ENE             1 DOE D0      1.00E DO       4.00E 00                     0.00E 01      0.00E-01     0.00E 01       6.00E DO E              3.00E DO       4.00E 00       6.00E 00                     3.00E 00      0.00E 01     0.00E 01       1.60E 01 ESE             1.00E 01      2.00E DO       2.00E 00                     3.00E 00      0.00E 01     0.00E 01       8.00E 00 SI              1.00E 00      5.00E DO       1.00E 00                     0.00E 01      0.00E 01     0.00E 01       7.00E 00 SSE            1.00E 00      0.00E 01       2.00E 00                      1.00E 01      0.00E 01    0.00E-01        1.30E 01 5              0.00E 01       1.00E 00      0.00E 01                     6.00E 00       1.00E 00    0.00E 01       8.00E 00 SSW            0. DOE 01      3.00E 00      4.00E 00                      1.00E 01      1.00E 00     0.00E 01       1.BOE 01 SW             0. 00E -01     2.00E DO      6.00E 00                      8.00E 00      0.00E 01     0.00E 01       1.60E 01 WSW            0.00E 01       1.00E 00       5.00E 00                     4.00E 00      0.00E 01     0.00E-01       1.00E 01 W              0. 00E - 01    5.00E 00       2.00E 00                     5.00E 00      0.00E.n1     0.00E 01       1.20E 01 WWW            0.00E 01       0.00E-01       1.00E 00                     1.00E Ou      0.00E 01     0.00c-01       2.00E DO NW             1. DOE 00     1. DOE 00      4.00E 0^                     0.00E 01      0.00E 01     0.00E 01       6.00E 00 NNW            0.00E 01      1.00E 00        1.00E 00                    1.00E 00       0.00E 01    0.00E 01       3.00E 00 TOTAL          9.00E 00      2.90E 01        4.50E 01                    5.30E 01       2.00E 00     0.00E - 01     1.3ht 02 PERIOOS OF CALM (HOUR $): 4.00E 00 47

qu 4.    .
SECTION 6 DOSE MEASUREMENTS &
ASSESSMENTS
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o TABLE 13                                   .
MAXIMUM
* OFFBITE DOSES AND DOSE COMMITMENTS TO MEMBERS OF THE PUBLIO Data Period: January 1, 1990 - June 30, 1990 DOSE **
Source                                 1st Ouarter       2nd Ouarter A. Waterborne                                                     1 Effluents (mrem) Organ             0.00E+00          3.58E-03 2
Total Body            0.00E+00          3.28E-04 B. Airborne Effluents
: 1. Iodines and                               3                 4 Particulates           Organ           2.11E-03          5.90E-04
             .                                       5                 5 Total Body           7.55E-05           4.96E-06 6
: 2. Noble Gades:    Gamma            6.88E-04          0.00E+00 6
Beta            1.30E-03          0.00E+00 7                 7 C. Direct Radiation (mrem)            N/A               N/A THERE ARE NO OTHER URANIUM FUEL CYCLE FACILITIES WITHIN 8 KM OF CPS
     *     " Maximum" means the largest fraction of the corresponding Appendix I dose design objective.
     **    The numbered footnotes on the following page briefly explain how each maximum dose was calculated, including the organ and predominant pathway (s).
48

Footnotes for Table 13
: 1. Dose to the adult gastrointestinal tract and lower large intestine (GI-LLI) by the fish pathway. Calculated using methodology contained in the CPS Offsite Dose Calculation Manual (ODCM).
: 2. Dose to the adult total body by the fish pathway.
Calculated using methodology contained in the CPS ODCM.
: 3. Dose to the infant thyroid via the inhalation, cow milk, and ground-plane pathways. Calculated at 4.5 miles North using methodology contained in the CPS ODCM.
: 4. Dose to the infant thyroid via the inhalation, cow milk and             ll ground-plane pathways. Calculated at 4.5 miles North-Northeast using methodology contained in the CPS ODCM.
: 5. Dose to the infant total body via the inhalation, cow milk and ground-plane pathways. Calculated at 4.5 miles North-Northeast using methodology contained in the CPS ODCM.
: 6. Dose is independent of age group. Calculated at 0.87 miles North using methodology contained in the CPS ODCM.
: 7. In accordance with CPS Technical Specification 6.9.17, dose caused by direct radiation from CPS for this reporting period will be reported in the July through December 1990 Semiannual Radioactive Effluent Re? ease Report.
\
I 49

DOSES TO MEMBERS OF THE PUBLIC WITHIN THE SITE BOUNDARY CPS Technical Specification 6.9.1.7 requires that the Semiannual Radioactive Effluent Release Report include an assessment of the radiation doses from radioactive liquids and gaseous effluents to MEMBERS OF THE PUBLIC due to their activities inside the SITE BOUNDARY. The meteorological conditions concurrent with the time of release of radioactive materials in gaseous effluents shall be used for determining the gaseous pathway doses. Within the CPS site boundary there are seven areas which are open to members of the public as identified by CPS ODCM Table 3.4-4 (see Figure 8):
A road at 0.3 miles in the SE sector
        -    Agricultural acreage at 0.9 miles in the SSW sector A portion of Clinton Lake at 0.2 miles in the NW sector The Department of Conservation Recreation Area at 0.8 miles in the ESE sector A residence at 0.8 miles in the SW sector A residence at 1.5 miles in the WSW sector A residence at 1.7 miles in the SSE sector At all of the above locations, the plume, inhalation and ground-plane exposure pathways are used for dose calculations.          No other exposure pathways were identified by the 1989 Annual Land Use Census. All dose calculations were performed using the methodology contained in the CPS ODCM.
50

PIQURE 7 AREAS WITRIN THE CPS SITE BOUNDARY OPEA TO MEMBERS OF THE PUBLIC                                  "IP
                                                  -       CLINTON f         E                           M        w
  =
    "@ifd'~                                      #4~           w.,..             WAPELLA MARDA                                                     , .... .,.. .. . . .... ..., ......
                                                               , ...... . ., ....... .. m .. .. . .
(' o,      a 3 c ..... <. . . m .. .. . . ... ..., ......
                                                               . ........., ., c........... .......... ....
                                                               , ......... .. m . .,   ,s. .. . ... . ..., ......
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                                        .. <                                FARMER S                                        CITY                  Y.
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I TO CHAMPAIGN                                          . 74 51

TABLE 14 CALCULATED DOSES TO NEMBERS OF THE PUBLIC DURING UAE OF THE ROAD IN THE SOUTHEAST SECTOR WITHIN THE CP5 SITE BOUNDARY Data Period: January 1, 1990 - June 30, 1990 Exoosure Pathway           Oraans              Dose (mrem) plume
* total body          4.54E-06 skin                2.94E-05 ground planu*              total body           3.77E-05 skin                4.43E-05 inhalation; four highest organ doses:
child thyroid       2.12E-06 teen thyroid        2.04E-06 adult thyroid       1.79E                                 infant thyroid      1.71E-06
* Doses via these pathways are not dependent upon age-group.
52

TABLE 15 CALCULATED DOSES TO MEMBERS OF THE PUBLIC DURING USE OF THE AGRICULTURAL ACREAGE IN THE SOUTH-SOUTHWEST SECTOR WITHIN THE CPS SITE BOUNDARY Data period:   January 1, 1990 - June 30, 1990 Exoosure Pathway            Oraans              Dose (mrem) plume
* total body          3.00E-07 skin                2.42E-05 ground plane
* total body          3.92E-05 skin                4.60E-05 inhalation; four highest organ doses:
teen lung           1.71E-06 child thyroid       1.71E-06 teen thyroid        1.66E-06 adult thyroid       1.46E-06
* Doses via these pathways are not dependent upon age-group.
l 53

TABLE 16 CALCULATED DOSES TO MEMBERS OF THE PUBLIC DURING USE OF CLINTON LAKE IN THE NORTHWEST SECTOR WITHIN THE CPS SITE BOUNDARY Data Period: January 1, 1990 - June 30, 1990 ExDosure Pathway           Orcans                     Dose (mrem) plume
* total body                                   O skin                                         0 ground plane
* total body                  1.79E-06 skin                        2.11E-06 inhalation; four highest organ doses:
child thyroid               1.16E-05 teen thyroid                1.05E-05 infant thyroid             1.05E-05 adult thyroid              8.55E-06
* Doses via trese pathways are not dependent upon age-group.
54

L._--.a..;_....,,.
TABLE 17 CALCULATED DOSES TO MEMBERS OF THE PUBLIC DURING USE OF THE DEPARTMENT OF CONSERVATION RECREATION AREA IN THE EAST-SOUTHEAST SECTOR WITHIN THE CPS SITE BOUNDARY Data Period:   January 1, 1990 - June 30, 1990 Exnosure Pathway            Oraans                          Dese (mremi plume
* total body                            0 skin                                  0 ground plane
* total body                       5.56E-07 skin                             6.58E-07 inhalation; four highest organ dosest child thyroid                     2.65E-06 infant thyroid                   2.41E-06 teen thyroid                      2.40E-06 adult thyroid                     1.9t -06
* Doses via these pathways are not dependent upon age-group.
55

TABLE 18 CALCULATED DOSES FOR THE RESIDENTS IN THE SOUTRWEST SECTOR WITHIN THE CPS SITE BOUNDARY Data Period: January 1, 1990 - June 30, 1990 Exoosure Pathway            Oraans              Dose (mram) ,
plume
* total body          3.55E-06 skin                1.37E-04 ground plane
* total body          2.51E-04 skin                2.96E-04 inhalation; four highest organ dosest child thyroid      0.29E-06 teen thyroid       7.97E-06 teen lung          7.50E-06 adult thyroid      6.97E-06      ,
* Dosen via these pathways are not dependent upon age-group.
56 1

TABLE 19
}-
CALCULATED DOSES FOR THE RESIDENTS                                      I IN THE WEST-SOUTNWEST SECTOR WITHIN                                     t THE CPS SITE BOUNDARY Data Period: January 1, 1990 - June 30, 1990 Exoosure Pathggy            Orcans                        Dose'(mrem) plume
* total body                    5.74E-06 skin                          5.59E-05 ground plane
* total body                    7.31E-05 skin                          8.59E-05                     _
inhalation; four highest organ doses:
child thyroid                 3.59E-06 teen thyroid                  3.43E-06 adult thyroid                 3.01E-06 infant thyroid               2.90E-06
* Doses via these pathways are not dependent upon                                   -
age-group.
m 57

TABLE 20 CALCULATED DOSES FOR THE RESIDENTS IN THE SOUTH-SOUTHEAST SECTOR WITHIN THE CPS SITE BOUNDARY Data Period: January 1, 1990 - June 30, 1990 Exoosure Pathway            Orcans                                                 Dose (mrem) plume
* total body                                             4.78E-05 skin                                                   2.13E-04 ground plane
* total body                                               1.04E-04 skin                                                     1.23E-04 inhalation; four highest organ doses:
child thyroid                                           1.35E-05 teen thyroid                                            1.32E-05 adult thyroid                                           1.17E-05 infant thyroid                                          1.06E-05
* Doses via these pathways are not dependent upon age-group.
58

SECTION 7 CHANGES TO THE OFFSITE DOSE CALCULATION MANUAL &
THE SOLID WASTE PROCESS CONTROL PROGRAM t
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CRAMGEd TO TftE OFFSITE DORE CALCULATION KhMUAL In accordance with CPS Technical Specification 6.14.2, changes to the CPS ODCM shall be reported in the Semiannual Radioactive Effluent Release Report.          No changes were made during this reporting period.
59 Q

CF_AMGES TO THE SOLID WASTE PROCESS CONTROL PROGRAM                           =
                                                                                       =
In accordance with CPS Technical Specification 6.13.2, changes to the Solid Waste Process Control Program (PCP) shall be reported in the Semiannual Radioactive Effluent Release Report. At Clinton Power Station the PCP consists of three documents:
       -    CPS No. 1888.00, PROCESS CONTROL PROGRAM, which establishes process requirements and methods.                          [
       -    CPS-PCP-03-003, WESTINGHOUSE MOBILE INCONTAINER DEWATERING AND SOLIDIFICATION SYSTEM PROCESS CONTROL PROGRAM FOR CLINTON POWER STATION.
                                                                                  =
        -   DES-OP-1, DIVERSIFIED ENVIRONMENTAL SERVICES OPERATING PROCEDURE RUMBER 1,      PROCESS CONTROL PROGRAM FOR BATCH SOLIDIFICATION OF CLASS "A" UNSTABLE RADWASTE WITH FLUID-TECH MEDIA.
During this reporting period (January - June 1990), the                              2 following changes were made:
Revised to implement actions specified in NRC CPS 1888.00 Generic letter 89-01. Specifically, programmatic controls associated with the Process Control Program are relocated to the administrative controls section of the Technical Specifications and procedural                               -
details of RETS were incorporated. This change was reviewed and found acceptable by the Clinton Power Station Facility Review Group (CPS FRG) on December 7, 1989.
CPS-PCP-03-003 This procedure was approved as a site specific PCP based on Westinghouse Documes.L STD-PCP-03-003. Westinghouse Radiological Services (now Scientific Ecology Group (SEG)). SEG certifies that this change does not reduce the overall conformance of the solidified waste product to existing criteria for Class A unstable waste. This change was reviewed and found acceptable by the CPS FRG on December 7,   1989.
DES-OP-1         This PCP applies to the solidification of Class "A" unstable wastes consisting of oils, solvents, treated acidic or basic solutions, and other liquids which may be mixed or solidified singularly. This PCP is also applicable for the solidification of slurry                        -
wastes such as filter media, charcoal, resin, etc. The process controlled under this                            .
60

Tech, Inc. (F-T) solidification agents, in combination or singularly, as dictated by the          _
waste stream composition. These agents are:              _
AquaSet                                           =
AquaSet II PetroSet PetroSet II This PCP results in a final product which is a free-standing solid with no more than 0.5%
of the waste volume as free liquid.               This ,
change was reviewed and found acceptable by the FRG on March 20, 1990.
M i
A 61

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m LlhflTING CONDITION FOR OPERATION REPORTS                                                                                                                                   -
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LIMITING CONDITION FOR OPERATION REPORTS (LCO)
In accordance with CPS Technical Specifications 3.3.7.11 and 3.3.7.12 inoperable radioactive liquid and gaseous effluent monitoring instrumentation channels remajning in an inoperable condition for greater than 30 days shall be reported in the Semiannual Radioactive Effluent Release Report.            During this reporting period two inoperability conditions occurred which required reporting. The following is a description of this conditions:
: 1.            LCO Event: 90-05-061 Information:
Operability Requirement: Table 3.3.7.11-1.2.a Date Entered:    5-29-90 at 1230 Date Restored: Not restored at the writing of this report Explanation:
On May 21, 1990, the calibratian of the plant service water process radiation monitor, 1RIX-PR036, was initiated.                             During the performance of this calibration, as-left acceptance criteria could not be met. As a result, the monitor could not be returned to service.
The acceptance criteria was questioned by Controls and Instrumentation Maintenance and brought to the CPS Nuclear Station Engineering Department (NSED) for evaluation and resolution. While attempting to validate the current acceptance criteria, NSED found that there were no references or paperwork to document the parameters being used. A review of the calibration history was initiated in an attempt to show compliance with design criteria and to validate the current parameters.
NSED's review of calibration history identified procedural deficiencies, data entry errors, and calculation anomalies.
Delays were encountered because the data sheet errors required extensive evaluation, verification of entered data, and recalculation of all equations.
g
                               ?.s a result of missing documentation and data sheet errors, the 30 day LCO limit was
(                             exceeded.
  )
6?

An action plan was initiated on July 16, 1990, to troubleshoot the monitor as well as develop new or verify old acceptance criteria. Once the procedure is corrected, the monitor will be retested and declared operable. This activity is scheduled for completion by the end of August. The information pertaining to the restoration of this LCO will be reported in the next Semiannual Report.
: 2. LCO Event:        No LCO cvent number was assigned to this inontrability since a Technical Specification Action is only required when the Standby Gas Treatment System is in operation.
Information:
Operability Requirement: Table 3.3.7.12-1.2.g Date Entered: 8/11/89 at 1004 Date Restored: As of 6/30/90, the instrument had not been restored to an operable condition.
Explanation:
On August 3, 1989, OUIX-PR051 Channel 1 (Standby Gas Treatment System stack flow monitor) was declared inoperable due to the s
instrument cycling in and out of alarm status during periods of no flow. This condition was reported in the last Semiannual Report.
As cf June 30, 1990, the monitor had not been restored to an operable condition. The main reason why this monitor had not been restored was due to the extensive time required for the engineering evaluation involving all radiation monitors suspected of electrial grounding problems. A temporary modification to address the grounding problem has been scheduled to be implemented by August 30, 1990.
l 63

l SECTION 9 MAJOR CHANGES TO                                                                                           l RADIOACTIVE WASTE TREATMENT SYSTEMS                                                                                           _
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              * * ;!F,                      i METOR CHANGES TO R&DICACTIVE WABTE TRitATMENT SYSTEMS
* In'accordance.with CPS Technical Specification;6.15,
                                 - licensee-initiated major changes to the liquid, gaseous or
       .g                         solidiradioactive. waste treatment-systems shall be. reported i'                           - in the Semiannual Radioactive-Effluent Release Report. No
  ,                               major changes'to the Waste Treatment Systems were reviewed and approved during this reporting period.-
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i SECTION 10                                                                                                   h NEW LOCATIONS FOR DOSE CALCULATION                                                                                                     $
AND/OR ENVIRONMENTAL MONITORING                                                                                                    33 B
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s NEW-LOCATION 8 FOR' DOSE CALCULATION AND/OR ENVIRONMENTAL MONITORING a
In accordance with CPS Technical Specification 6.9.1.7, new locations for dose calculations-and/or. environmental monitoring -identified by the Annual Land Use Ce:tsus shall be
            - reported;in-the Semiannual Radioactive Effluer.c Release-Report. On June 16, 1990, the 1990 Land Use Census began.
Results of this census will be provided in the~ Semiannual Radioactive Effluent Release Report to be ta**vmitted after January-1,-1991.
No'new environmental monitoring locations were identified in the latest Annual. Land Use Census completed on September.22, 1989. However, indicator sample location, CL-15, was installed ahd ultimately implemented on January 31, 1990.
CL-15 allour for continuous sampling of airborne
  ,       ,   particulates 4ad iodir.es and also provides for direct radiation measurement via thermoluminescent dosimeters.- CL-15 is located in the north sector at a distance of 0.9 miles from the HVAC stack at CPS.
                                                                            -r e
65 w}}