Text

Semiannual Radioactive Effluent Release Rept Jan-June 1992. W/920827 Ltr
	ML18096A927
Person / Time
Site:	Salem
Issue date:	06/30/1992
From:	Labruna S; Public Service Enterprise Group
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	NLR-N92123, NUDOCS 9209020034
	Download: ML18096A927 (86)
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l

Public Service Electric and Gas Company Stanley LaBruna Public Service Electric and Gas Company P.O. Box 236, Hancocks Bridge, NJ 08038 609-339-1200 Vice President - Nuclear Operations AUG 2 7 1992 NLR-N92123 United States Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Gentlemen:

RADIOACTIVE EFFLUENT RELEASE REPORT - 32 SALEM GENERATING STATION DOCKET NOS. 50-272 AND 50-311 In accordance with Section 6.9.1.11 of Appendix A to the Operating License for Salem Generating Station (SGS), Public Service Electric and Gas Company (PSE&G) hereby transmits one copy of the semi-annual Radioactive Effluent Release Report, RERR-32. This report summarizes liquid and gaseous releases and solid waste shipments from the Salem Generating Station for the period January 1 through June 30, 1992.

Should you have any questions regarding this transmittal, please feel free to contact us.

Sincerely, Attachment (1) 9209020034 920630 PDR ADOCK 05000272 R PDR IE'f8' I/ I

Document Control Desk 2

AUG 2 7 1992 NLR-N92123 RERR REPORT only c Mr. T. T. Martin, Administrator - Region I

u. s. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Mr. J. c. Stone, Licensing Project Manager - Salem

u. S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Rockville, MD 20852 Mr. T. P. Johnson (S09)

USNRC Senior Resident Inspector Mr. K. Tosch, Chief NJ Department of Environmental Protection Division of Environmental Quality Bureau of Nuclear Engineering CN 415 Trenton, NJ 08625

SALEM GENERATING STATION SEMIANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT SGS RERR-32 SALEM UNIT NOS. 1 & 2 UNIT 1 DOCKET NO. 50-272 UNIT 2 DOCKET NO. 50-311 OPERATING LICENSE NO. DPR-70 OPERATING LICENSE NO. DPR-75 AUGUST,1992

SALEM GENERATING STATION RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY - JUNE 1992 Table of Contents INTRODUCTION * * * * * * *

0 * * * * * * * *

1 PART A. PRELIMINARY SUPPLEMENTAL INFORMATION 3 1.0 REGULATORY LIMITS . . . . . . * . * . . . * . . 3 1.1 Fission and Activation Gas Release Limits 3 1.2 Iodine Particulates, and Tritium . . . *

3 1.3 Liquid Effluents Release Limits . . . . . . . 4 1.4 Total Dose Limit . . . . . * * * . * . . . . . 4 2.0 MAXIMUM PERMISSIBLE CONCENTRATIONS (MPC) . . . 4 3.0 AVERAGE ENERGY . . . . . . . . * . . . 5 4.0 MEASUREMENTS AND APPROXIMATION OF TOTAL RADIOACTIVITY . . . . * . . . * * . . . .

5 5.0 BATCH RELEASES . . . . * . . * . . * . 7 6.0 UNPLANNED RELEASES . . . . . * . . . . . . 7 7.0 ELEVATED RADIATION MONITOR RESPONSES . . . * . 7 8.0 MODIFICATION TO PREVIOUS RADIOACTIVE EFFLUENT RELEASE REPORTS . . . . . . .

7 PART B. GASEOUS EFFLUENTS 7 PART c. LIQUID EFFLUENTS 8 PART D. SOLID WASTE . . . 8 PART E. RADIOLOGICAL IMPACT ON MAN . . * * * . *

8 Liquid Pathways . . . . . 8 Air Pathways . * * . * . .

0

Q 9 Direct Radiation * * . * . . . . . . * * *

e 9 Total Dose . . . . . . . . . * . . * * * *

10 Dose to Members of the Public on Site 0 * * *

10 Assessment . . . . . . . * * * . 11 PART F. METEOROLOGICAL DATA. .

12 PART G. ODCM CHANGES . . . 12 PART H. INOPERABLE MONITORS * . . . . * . 12 PART I . ENVIRONMENTAL MONITORING LOCATION CHANGES . * . . . 12

SALEM GENERATING STATION RADIOACTIVE EFFLUENT RELEASE REPORT JANUARY - JUNE 1992

INTRODUCTION This report, SGS-RERR-32, summarizes information pertaining to the releases of radioactive materials in liquid, gaseous and solid form from the Salem Generating Station {SGS) Units 1 and 2 for the period January 1, 1992 to June 30 ,* 1992.

This Semiannual RERR is submitted for both Salem Units and combines those sections which are common to each unit. Separate tables of releases and release totals are included whenever separate processing systems exist.

Salem Unit 1 is a Westinghouse Pressurized Water Reactor which has a licensed core power of 3411 MWt and an approximate net electrical output of 1115 MWe. Salem Unit 1 achieved initial criticality on December 11, 1976. and went into commercial operations on June 30, 1977.

Salem Unit 2 is a Westinghouse Pressurized Water Reactor which has a licensed core power of 3411 MWt and an approximate net electrical output of 1115 MWe. Salem Unit 2 achieved initial cri~icality on August 2, 1980 and went into commercial operations on October 13, 1981.

The report is prepared in the format of Regulatory Guide 1.21, Appendix B, as required by Specification 6.9.1.11 of the Salem Technical Specifications. Preceding the tables summarizing the gaseous and liquid discharges and solid waste shipments are our responses to parts A-F of the "Supplemental Information" section of Regulatory Guide 1.21, Appendix B.

As required by Regulatory Guide 1.21, our Technical Specification limits are described in detail within this report along with a summary description of how measurements and determinations of the total activity discharged were developed.

1

To facilitate determination. of compliance with 40CFR190 requirements, the following information on electrical output is provided.

Unit 1 generated 2 1 305 1 872 megawatt-hours of electrical energy (net) during the reporting period.

Unit 2 generated 409,726 megawatt-hours of electrical energy (net) during the reporting period.

Results of liquid and gaseous composites analyzed for sr-89, Sr-90 and Fe-55 for the second quarter of 1992 were not available for inclusion in this report. The results of these composites will be provided in the next Radioactive Effluent Release Report.

The Sr-89, Sr-90 and Fe-55 analyses for the second half of 1991 (refer to RERR-31) have been completed; amended pages to RERR-31 are included in this report .

2

PART A. PRELIMINARY SUPPLEMENTAL INFORMATION 1.0 REGULATORY LXMXTS 1.1 Fission and Activation Gas Release Limits The dose rate 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:.

For noble gases: Less than or equal to 500 mrems/yr to the total body and less than or equal to 3000 mrems/yr to the skin.

In addition, the air dose due to noble gases released in gaseous effluents, from each reactor unit, from the site to areas at and beyond the site boundary, shall be limited to the following:

During any calendar quarter: Less than or equal to 5 mrad for gamma radiation and less than or equal to 10 mrad for beta radiation, and During any calendar year: Less than or equal to 10 mrad for gamma radiation and less than or equal to 20 mrad for beta radiation *

1.2 Iodine Particulates, and Tritium The dose rate due to radioactive materials released in gaseous effluents from the site to areas at and beyond the site boundary, shall be limit.ad to the following:

For Iodine-131, for tritium, and for all radionuclides in particulate form with half lives greater than 8 days: Less than or equal to 1500 mrems/yr to any organ.

In addition, the dose to a member of the public from iodine-131, from tritium, and from all radionuclides in particulate form with half-lives greater than 8 days in gaseous effluents released, from each reactor unit, from the site to areas.at and beyond the site boundary, shall be limited to the following:

During any calendar quarter: Less than or equal to 7.5 mrems to any organ, and During any calendar year: Less than or equal to 15 mrems to any organ *

3

1.3 Liquid Effluents Release Limits The concentration of radioactive material released in liquid effluents to unrestricted areas shall be limited to the concentrations specified in 10 CFR, Part 20, Appendix B, Table II, Column 2 for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2E-4 microcuries per milliliter.

In addition, the dose or dose commitment to a member of the public from radioactive materials in liquid effluents released to unrestricted areas shall be limited:

During any calendar quarter to less than or equal to 1.5 mrems to the total body and to less than or equal to 5 mrems to any organ, and During apy calendar year to less than or equal to 3 mrems to the total body and to less than or equal to 10 mrems to any organ.

1.4 Total Dose Limit The annual (calendar year) dose or dose commitment to any member of the public, due to releases of radioactivity and radiation, from uranium fuel cycle sources shall be limited to less than or equal to 25 mrems to the total body or any organ (except the thyroid, which shall be limited to less than or equal to 75 mrems).

2.0 MAXIMUM PERMISSIBLE CONCENTRATIONS (MPC)

Regulatory Guide 1.21 requires that the licensee provide the MPCs used in determining allowable release rates for radioactive releases.

a. MPC values were not used to determine the maximum release rates for fission gases, iodines, or particulates.

b. MPC values as stated in 10CFR20, Appendix B, Table II, Column 2 were used for liquids.

c. The MPC value used for dissolved or entrained noble gases is 2E-4 microcuries per milliliter .

4

3.0 AVERAGE ENERGY Regulatory Guide 1.21 requires that the licensee provide the average energy of the radionuclide mixture in releases of fission and activation gases, if applicable.

Release limits for SGS are not based upon average energy, hence, this section does not apply.

4.0 MEASUREMENTS AND APPROXIMATION OF TOTAL RADIOACTIVITY

4.1 Liquid Effluents Liquid effluents are monitored in accordance with Table 4.11-1 of the Technical Specifications. During the period of record, all wastes from the chemical drain tank and the laundry and hot shower tanks were routed to the hold-up tanks for monitoring prior to release.

Technical Specifications require these tanks to be uniformly mixed for sampling and analysis before being released. Batch releases are defined as releases from the waste monitor hold-up tank and the chemical and volume control tanks. Continuous liquid releases are defined as condensate releases from intermittent blowdown of the steam generators. Specific activities from analyses were multiplied by the volume of effluent discharged to the environment in order to estimate the total liquid activity discharged.

4.2 Gaseous Effluents Gaseous effluent streams are monitored and sampled in accordance with Table 4.11-2 of the Technical Specifications. The plant vent is the final release point of all planned gaseous effluents and is continuously monitored by beta scintillators and high range GM tubes. The vent is also continuously sampled for iodine and particulates with a charcoal cartridge and filter paper connected in series to a low volume air sampler. The filter and charcoal are changed weekly, and analyzed on a multi-channel analyzer in the laboratory. Sampling is also performed on all gas decay tanks and containment purges prior to their release to the environment. The plant vent is sampled for noble gases monthly.

The detection requirements of Tables 4.11-1 and 4.11-2 of the Technical Specifications are achieved or exceeded. Radionuclides measured at concentrations below the Technical Specification detection limits (LLDs) are treated as being present. Radionuclides for 5

which no activity was detected, while meeting the required LLDs, are treated as absent.

Continuous Mode gaseous releases are quantified by routine (monthly or weekly) sampling and isotopic analyses of the plant vent. Specific activities for each isotope detected are multiplied by the total vent flow volume for the entire sampling period in order to estimate the normal continuous release of radioactivity through the plant vent.

Slightly elevated plant vent radiation monitor readings are treated as continuous releases. The monitors response is converted to a "specific activity" using historical efficiency factors. The "specific activity" is multiplied by a default volume of effluent discharge to estimate the total activity discharged.

Batch Mode gaseous releases are quantified by sampling each gas decay tank or containment purge prior to discharge. .specific activities for each isotope are multiplied by the total volume of gas discharged.

Elevated plant vent radiation monitoring system readings while the channel is in an alarm state are treated as batch mode releases. If specific activity data from grab samples taken is not available, then the abnormal release is quantified by the use of the plant vent radiation monitors. The monitor's response is converted to a "specific activity" using historical efficiency factors. The i*specific activity" is multiplied by the volume of effluent discharged while the channel was in an alarm state in order to estimate the total activity discharged.

4.3 Estimated Total Error The estimated total error of reported liquid and solid releases is within 25%

The estimated total error of the reported continuous gaseous releases is within 50% when concentrations exceed detectable levels. This error is due primarily to variability of waste stream flow rates and changes in isotopic distributions of waste streams between sampling periods. The estimated total error of the reported batch gaseous releases is within 10%.

Error estimates for releases where sample activity is below the detectable concentration levels are not included since error estimates at the LLD are not defined.

6

S.O BATCH RELEASES Summaries of batch releases of gaseous and liquid effluents are provided in Tables 4A-1 and 4B-1 for Unit 1 and 4A-2 and 4B-2 for Unit 2.

6.0 UNPLANNED RELEASES During this reporting period there was no unplanned releases.

7.0 ELEVATED R-16/R41C CHANNEL RESPONSES During this reporting period, their were no elevated

8.0 monitors readings on R16/R41C.

MODIFICATION TO PREVIOUS RADIOACTIVE EFFLUENT RELEASE REPORTS our last report (RERR-31) did not include the quarterly Sr-89, Sr-90 and Fe-55 composite data for the fourth quarter of 1991. Amended pages to RERR-31 are included at the end of this report.

PART B. GASEOUS EFFLUENTS See Summary Tables lA-1 thru lC for Salem Unit 1 Operations.

See summary Tables lA-2 thru lC for Salem Unit 2 Operations.

PART c. LIQUID EFFLUENTS See Summary Tables 2A-1 thru 2C for Salem Unit 1 Operations.

See Summary Tables 2A-2 thru 2C for Salem Unit 2 Operations.

7

l' PART D. SOLID WASTE See Summary in Table 3.

PART E. RADIOLOGICAL IMPACT ON MAN The calculated individual doses in this section are based on actual locations of nearby residents and farms. The population dose impact is based on historical site specific data i.e., food production, milk production, feed for milk animals and seafood production.

The doses were calculated using methods described in Regulatory Guide 1.109 and represent calculations for the six month reporting interval. Individual doses from batch and continuous releases were calculated using the annual average historic meteorological dispersion coefficients as described in the Offsite Dose Calculation Manual.

Population doses were calculated using the meteorological dispersion coefficients for the six month reporting interval.

Liquid Pathways Doses to individuals in the population from liquid releases are primarily from the seafood ingestion pathway. Calculated doses to individuals are as shown below:

Total body dose to an individual: 4.06E-Ol mrem Highest organ dose: 2.82E+OO mrem to the GI-LLI.

Dose to the 6 million individuals living within the 50 mile radius of the plant site:

Total population dose: 8.SOE-02 person-rem Average population dose: l.47E-05 mrem/person 8

Air Pathways The calculated doses to individuals via the air pathway are shown below:

Total body dose: 1.62E-02 mrem Skin dose: l.SOE-02 mrem Highest organ dose due to radioiodines and particulates with half lives greater than 8 days:

9.llE-03 mrem to the Thyroid.

Dose to the 6 million individuals living within the 50 mile radius of the plant site:

Total population dose: 2.44E-Ol person-rem Average population dose: 4.09E-05 mrem/person Direct Radiation Direct radiation may be estimated by thermoluminescent dosimetric (TLD) measurements. One method for comparing TLD measurements is by comparison with preoperational data. It should be noted that the TLDs measure direct radiation from both the Salem and Hope Creek Generating Stations at Artificial Island, as well as natural background radiation.

TLD data for the six month reporting period is given below:

TLD Location Measurement 2S-2 0.3 mile 5.7 mrad/month 5S-1 0.9 mile 4.9 mrad/month These values are intepreted to represent natural background, since they are within the statistical variation associated with the pre-operational program results, which are: 3.7 mrad/month for location 2s-2, and 4.2 mrad/month for location 5S-1.

9 L

Total Dose 40CFR190 limits the total dose to members of the public due to radioactivity and radiation from uranium fuel cycle sources to:

<25 mrem total body or any organ

<75 mrem to the thyroid for a calendar year. For Artificial Island, the major sources of dose are from liquid and gaseous effluents from the Salem and.Hope Creek plants.

The following doses to members of the public have been calculated for the six month reporting period:

0.778 mrem total body 2.930 mrem organ (GI-LLI) 0.179 mrem thyroid Dose to Members of the Public Due to Activities inside the Site Boundary.

In accordance with the requirements of Technical Specification 6.9.1.7, the dose to members of the public inside the site boundary has been calculated based on the following assumptions:

Such persons are participating or spectators in local softball league

10 hours1.157407e-4 days <br />0.00278 hours <br />1.653439e-5 weeks <br />3.805e-6 months <br /> per week on site

Dose due to airborne pathway(inhalation and immersion)

persons are located about 3/4 mile east of plant discharge points {baseball fields)

occupancy coincides with batch gaseous discharges For the six month reporting period, the calculated doses are:

6.61E-05 mrem Total Body 6.96E-05 mrem Organ 6.61E-05 mrem Thyroid

10

Assessment Gaseous effluents continue to be low and are predominately xenon-133. Calculated doses are low, due to the dose factor of xenon-133.

Liquid effluents increased slightly from previous reporting periods. Calculated doses are due principally to isotopes of iron, cobalt ,

and cesium.

The following two trend graphs show gaseous and liquid effluents and calculated doses from combined Salem 1 and 2 for the previous five years.

Salem Unit.a 1 and 2 Liquid Effluenta Curles Released and Calculated Doses 10 c

u

--TB m

- r ---o-- ORGAN m ----CURIES 0.1 0

0,01 00 ~ ~ ~ ;;;

~ ~ ~ ~ ~

Reportinf Perioll Salem Unit 1 and 2 Gaseous Efftuenta Noble Gas Curles Released and Calculated Dose 1.00E+04 ~

1.00£+03 --............_ _.

c 1.00E+02

~

u

~TB

.m 1.00£+01 r

I r 1.00E+OO -X-SKIN

m 1.ooe-01 x--! x-x-x--:a:.... _.,,. _.,,_

-"' ----CURIES 1.ooe-02 ~

0 1.00£-03 r

1.00£-04 1.00E-05 00 ~ 113 a::~ c;; ""

°'

~ ~ ~ ~ ~

Reporting Period 11

PART F. METEOROLOGICAL DATA Cumulative joint wind frequency distributions by atmospheric stability class at the 300 foot elevation are provided for the first and second quarters of 1992 in Tables 5 and 6.

PART G. OFFSITE DOSE CALCULATION MANUAL (ODCM) CHANGES During this period, there were was a revision to the SGS ODCM. Revision 7 was approved on 1/16/92, a summary of the revision along with the pages that were changed is included in an addendum to this report.

PART H. INOPERABLE MONITORS During this period, the following effluent monitors were inoperable for more than 30 days

Unit 2 Plant Vent Noble Gas Monitor (2R41C)

Unit 2 Chemical Waste Basin Process Monitor (2R37)

Unit 2 Steam Generator Blowdown Process Monitors

( 2 Rl 9 A, B , C , D)

These monitors could not be returned to operating status within the 30 day time period due to a forced shutdown on Unit 2 and Design Change work being performed on the monitors.

Unit 2 Plant Vent Noble Gas Monitor (2R41C) - Monitor was inoperable for more than 30 days due to design change work being performed on the monitor (DCP 2EC-3086). Work included a primary calibration of the detector and the replacement of electronic components.

Unit 2 Chemical Waste Basin Process Monitor (2R37) -

Monitor could not be returned within the 30 day time period due to replacement 'of the detector following extensive troubleshooting and decontamination of the detector housing. The work on this monitor was further delayed due to a malfunctioning check valve in the sample line to the detector.

Unit 2 Steam Generator Blowdown Process Monitors (2R19 A,B,C,D). - Monitors could not be returned within 30 days due to design work on the detector (2EC-3086) and a forced outage which limited flow to the detectors.

12

PART I. PROCESS CON'l'ROL PROGRAM (PCP) CHANGES During this reporting period, there were no changes to the Process Control Program.

PART J. ENVIRONMEN'l'AL MONITORING LOCATION CHANGES During the reporting period, there was one change to the environmental monitoring sampling locations. Farm 14F4 was added to the Environmental Monitoring Program due to a neighboring Farm (14Fl) ceasing dairy operations *

13

SALEM GENERATING STATION TABLE lA-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 UNIT 1 GASEOUS EFFLUENTS-SUMMATION OF ALL RELEASES Est.

1st 2nd Total Units Quarter Quarter Error %

A. Fission and Activation Gases

1. Total release Ci 1.89E+02 1.57E+02 25

2. Average release rate for period uCi/sec 2.41E+Ol 1.99E+Ol

3. Percent of technical specification limit (T.S. 3.ll.2.2(a)) % 1.40E-Ol 1.17E-Ol B. Iodines

1. Total Iodine-131 Ci 1.72E-05 2.29E-04 25

2. Average release rate for period uCi/sec 2.19E-06 2.92E-05

3. Percent of technical specification limit (2)

(T.S. 3.11.2.3(a)) % 1.49E-03 1.13E-02

c. Particulates

1. Particulates with half-lives >8 days Ci 3.40E~06 6.79E-06 25

2. Average release rate for period uCi/sec 4.33E-07 8.63E-07

3. Percent of technical specification limit (2)

(T.S. 3.ll.2.3(a)) % 1.49E-03 1.13E-02

4. Gross alpha Ci O.OOE+OO O.OOE+OO

c. Tritium

1. Total Release Ci 2.52E+Ol 1.99E+Ol 25

2. Average release rate for period uCi/sec 3.20E+OO 2.54E+OO

3. Percent of technical specification limit (2)

(T.S. 3.11.2.3(a)) % 1.49E-03 1.13E-02 (1) For batch releases the estimated overall error is within 10%

(2) Iodine, tritium and particulates are treated as a group

14

SALEM GENERATING STATION TABLE lA-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 UNIT 2 GASEOUS EFFLUENTS-SUMMATION OF ALL RELEASES Est.

1st 2nd Total Units Quarter Quarter Error %

A. Fission and Activation Gases

1. Total release Ci 6.86E-Ol 1.78E+Ol 25

2. Average release rate for period uCi/sec 8.73E-02 2.26E+OO

3. Percent of technical specification limit (T.S. 3.11.2.2(a)) % 5.lSE-04 1.38E-02 B. Iodines

1. Total iodine-131 Ci O.OOE+OO 1.llE-05 25

2. Average release rate for period uci/sec O.OOE+OO 1.41E-06

3. Percent of technical specification limit (2)

(T.S. 3.11.2.3(a)) % 7.lOE-04 1.21E-03

c. Particulates

1. Particulates with half-lives >8 days Ci 5.76E-06 1.13E-05 25

2. Average release rate for period uCi/sec 7.33E-07 1.43E-06

3. Percent of technical specification limit (2)

(T.S. 3.11.2.3(a)) % 7.lOE-04 1.21E-03

4. Gross alpha Ci O.OOE+OO O.OOE+OO

c. Tritium

1. Total Release Ci 2.57E+Ol 2.54E+Ol 25

2. Average release rate for period uCi/sec 3.27E+OO 3.22E+OO

3. Percent of technical specification limit (2)

(T.S. 3.11.2.J(a)) % 7.lOE-04 1.21E-03 (1) For batch releases the estimated overall error is within 10%

(2) Iodine, tritium and particulates are treated as a group 15

SALEM GENERATING STATION TABLE lB-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 GASEOUS EFFLUENTS-ELEVATED RELEASES UNIT 1 CONTINUOUS MODE BATCH MODE 1st 2nd 1st 2nd Nuclides Released Unit Quarter Quarter Quarter Quarter

' 1. Fission Gases Krypton-85 Ci O.OOE+OO O.OOE+OO 5.38E-01 1.02E+OO Krypton-85m Ci O.OOE+OO O.OOE+OO 1.57E-02 1.65E-02 Xenon-131m Ci O.OOE+OO O.OOE+OO 1.82E-01 5.48E-01 Xenon-133 Ci 1. 76E+02 9.55E+01 1.10E+01 5.74E+01 Xenon-133m Ci O.OOE+OO O.OOE+OO 1.10E-01 7.13E-01 Xenon-135 Ci 9.14E-01 O.OOE+OO 1.42E-01 1.63E+OO Argon-41 Ci O.OOE+OO O.OOE+OO 2.41E-02 O.OOE+OO Krypton-87 Ci O.OOE+OO O.OOE+OO 3.57E-03 O.OOE+OO Krypton-88 Ci O.OOE+OO O.OOE+OO 1.88E-02 5.78E-03 TOTALS Ci 1.77E+02 9.55E+01 1.20E+01 6.13E+01

2. Iodines Iodine-131 Ci 1. 72E-05 2.29E-04 O.OOE+OO O.OOE+OO TOTALS Ci 1.72E-05 2.29E-04 O.OOE+OO O.OOE+OO

3. Particulates (half-live >8 days Cobalt-58 Ci O.OOE+OO 4.88E-06 O.OOE+OO O.OOE+OO Cobalt-60 Ci 3.40E-06 1.45E-06 O.OOE+OO O.OOE+OO Cesium-137 Ci O.OOE+OO 4.55E-07 O.OOE+OO O.OOE+OO TOTALS Ci 3.40E-06 6.79E-06 O.OOE+OO O.OOE+OO 16

SALEM GENERATING STATION TABLE 1B-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 GASEOUS EFFLUENTS-ELEVATED RELEASES UNIT 2 CONTINUOUS MODE BATCH MODE 1st 2nd 1st 2nd Nuclides Released Unit Quarter Quarter Quarter Quarter

1. Fission Gases Krypton-85 Ci O.OOE+OO O.OOE+OO 2.45E-02 1.94E-Ol Krypton-85m Ci O.OOE+OO O.OOE+OO O.OOE+OO 8.19E-03 Krypton-88 Ci O.OOE+OO O.OOE+OO O.OOE+OO 2.27E-03 Xenon-131m Ci O.OOE+OO O.OOE+OO 8.07E-04 6.76E-02 Xenon-133 Ci O.OOE+OO l.05E+Ol 6.61E-Ol 6.35E+OO Xenon-133m Ci O.OOE+OO O.OOE+OO O.OOE+OO 9.36E-02 Xenon-135 Ci O.OOE+OO 4.0lE-02 O.OOE+OO 5.44E-Ol TOTALS Ci O.OOE+OO 1.0SE+Ol 6.86E-Ol 7.26E+OO

2. Iodines Iodine-131 Ci O.OOE+OO 1. llE-05 O.OOE+OO O.OOE+OO TOTALS Ci O.OOE+OO 1.11E-05 O.OOE+OO O.OOE+OO

3. Particulates (half-live >8 days Cobalt-58 Ci O.OOE+OO 8.54E-06 O.OOE+OO O.OOE+OO Cobalt-60 Ci 5.76E-06 2.73E-06 O.OOE+OO O.OOE+OO TOTALS Ci 5.76E-06 l.13E-05 O.OOE+OO O.OOE+OO

17

SALEM GENERATING STATION TABLE lC EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANAURY - JUNE 1992 UNITS 1 AND 2 GASEOUS EFFLUENTS-GROUND-LEVEL RELEASES CONTINUOUS MODE BATCH MODE 1st 2nd 1st 2nd Nuclides Released Unit Quarter Quarter Quarter Quarter There were no ground level gaseous releases during this reporting period .

18

SALEM GENERATING STATION TABLE 2A-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANAURY - JUNE 1992 UNIT 1 LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES Est.

1st 2nd Total Units Quarter Quarter Error %

A. Fission and activation products

1. Total release (not including tritium, gases, alpha) Ci 1. 05E+O.O l.14E+OO 25

2. Average diluted concentration during period uCi/mL 2.02E-07 2.94E-07

3. Percent of technical specification limit (T.S. 3.11.1.2. (a)) % 1. 02E+Ol 1.70E+Ol B. Tritium

1. Total release Ci 7.44E+Ol 4.16E+Ol 25

2. Average diluted concentration during period uCi/mL 1.42E-05 1.07E-05

3. Percent of technical specification limit

{T.S. 3.11.1~1) % 4.75E-Ol 3.56E-Ol

c. Dissolved and entrained noble gases

1. Total release Ci 4.57E-Ol 1.61E-02 25

2. Average diluted concentration during period uCi/mL 8.75E-08 4.15E-09

3. Percent of technical specification limit (T. S. 3.11.1.1) % 4.38E-02 2.07E-03 D. Gross alpha activity

1. Total release Ci O.OOE+OO O.OOE+OO E. Volume of waste release (prior to dilution -

Batch Release) liters 2.26E+06 1.85E+06 F. Volume of dilution.water used during entire period liters 4.88E+ll 3.98E+10 19

SALEM GENERATING STATION TABLE 2A-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 UNIT 2 LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES Est.

1st 2nd Total Units Quarter Quarter Error %

A. Fission and activation products

1. Total release (not including tritium, gases, alpha) Ci 8.40E-Ol 1.46E+OO 25

2. Average diluted concentration during period uCi/mL 2.53E-07 2.96E-07

3. Percent of technical specification limit (T.S. 3.11.1.2. (a)) % 1.15E+Ol 1.77E+Ol B. Tritium

1. Total release Ci 5.89E+01 5.81E+01 25

2. Average diluted concentration during period uCi/mL 1.77E-05 1.18E-05

3. Percent of technical specification limit (T.S. 3.11.1.1) % 5.91E-Ol 3.94E-Ol

c. Dissolved and entrained noble gases

1. Total release Ci 4.46E-Ol 4.70E-02 25

2. Average diluted concentration during period uCi/mL 1.34E-07 9.55E-09

3. Percent of technical specification limit (T.S. 3.11.1.1) % 6.71E-02 4.78E-03 D. Gross alpha activity

1. Total release Ci O.OOE+OO O.OOE+OO E. Volume of waste release (prior to dilution -

Batch Release) liters 1.77E+06 1.93E+06 F. Volume of dilution water used during entire period liters 1.13E+10 2.91E+11 20

... ---* _..._ ,;mu SALEM GENERATING STATION TABLE 2B-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 LIQUID EFFLUENTS UNIT 1 CONTINUOUS MODE BATCH MODE 1st 2nd 1st 2nd Nuclides Released Unit Quarter Quarter Quarter Quarter Sodium-24 Ci O.OOE+OO O.OOE+OO 2.58E-05 O.OOE+OO Chromium-51 Ci O.OOE+OO O.OOE+OO 1.20E-03 2.71E-03 Manganese-54 Ci O.OOE+OO O.OOE+OO 1.29E-02 4.15E-02 Iron-55 Ci O.OOE+OO O.OOE+OO 8.57E-03 O.OOE+OO Iron-59 Ci O.OOE+OO O.OOE+OO O.OOE+OO 1.20E-04 Cobalt-57 Ci O.OOE+OO O.OOE+OO 3.76E-03 4.19E-03 Cobalt-58 Ci O.OOE+OO 5.75E-05 8.32E-01 8.60E-01 Cobalt-60 Ci O.OOE+OO 2.27E-05 6.17E-02 8.54E-02 Zinc-65 Ci O.OOE+OO O.OOE+OO 8.04E-04 4.83E-05 strontium-89 Ci O.OOE+OO O.OOE+OO O.OOE+OO O.OOE-00 Strontium-90 Ci O.OOE+OO O.OOE+OO 7.44E-05 O.OOE-00 Niobium-95 Ci O.OOE+OO O.OOE+OO 2.83E-03 2.50E-03 Zirconium-95 Ci O.OOE+OO O.OOE+OO 1.36E-03 1.22E-03 Niobium-97 Ci O.OOE+OO O.OOE+OO 9.94E-05 1.17E-07 Technetium-99m Ci O.OOE+OO O.OOE+OO O.OOE+OO 3.18E-08 Silver-11om Ci O.OOE+OO O.OOE+OO 7.16E-05 6.73E-03 Antimony-122 Ci O.OOE+OO O.OOE+OO 4.60E-05 3.94E-05 Antimony-124 Ci O.OOE+OO O.OOE+OO 2.55E-03 6.99E-03 Antimony-125 Ci O.OOE+OO O.OOE+OO 1.25E-02 4.00E-02 Iodine-131 Ci O.OOE+OO O.OOE+OO 4.98E-03 1.33E-02 Iodine-133 Ci O.OOE+OO O.OOE+OO 5.47E-05 4.19E-04 Cesium-134 Ci O.OOE+OO O.OOE+OO 5.0SE-02 3.76E-02 Cesium-136 Ci O.OOE+OO O.OOE+OO 3.44E~04 6.62E-04 Cesium-137 Ci O.OOE+OO O.OOE+OO 5.77E-02 3.96E-02 Lanthanum-140 Ci O.OOE+OO O.OOE+OO O.OOE+OO "2.21E-05 Cerium-141 Ci O.OOE+OO O.OOE+OO O.OOE+OO 3.69E-05 Tin-113 Ci O.OOE+OO O.OOE+OO 6.27E-05 3.28E-04 Ruthenium"."'105 Ci O.OOE+OO O.OOE+OO O.OOE+OO 3.22E-04 TOTALS O.OOE+OO 8.02E-05 1. 05E+OO 1.14E+OO

21

TABLE 2B-1 (CONT)

Tritium Ci O.OOE+OO O.OOE+OO 7.44E+Ol 4.16E+Ol Xenon-133m Ci O.OOE+OO O.OOE+OO 3.00E-03 O.OOE+OO Xenon-133 Ci O.OOE+OO O.OOE+OO 4.44E-Ol 1.60E-02 Xenon-135 Ci O.OOE+OO O.OOE+OO 2.llE-03 1.02E-04 Xenon-131m Ci O.OOE+OO O.OOE+OO 7.67E-03 O.OOE+OO TOTALS O.OOE+OO O.OOE+OO 7.48E+Ol 4.16E+Ol 22

SALEM GENERATING STATION TABLE 2B-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 LIQUID EFFLUENTS UNIT 2 CONTINUOUS MODE BATCH MODE 1st 2nd 1st 2nd Nuclides Released Unit Quarter Quarter Quarter Quarter Sodium-24 Ci O.OOE+OO O.OOE+OO 0 .* OOE+OO 4.43E-OS Chromium-S1 Ci O.OOE+OO O.OOE+OO 6.89E-04 2.SSE-03 Manganese-S4 Ci O.OOE+OO O.OOE+OO 1.19E-02 S.9SE-02 Iron-SS Ci O.OOE+OO O.OOE+OO 1.10E-02 O.OOE+OO Iron-S9 Ci O.OOE+OO O.OOE+OO 4.82E-OS 1.13E-04 Cobalt-S7 Ci O.OOE+OO O.OOE+OO 2.87E-03 S.1SE-03 Cobalt-SS Ci O.OOE+OO O.OOE+OO 6.S6E-01 1.lOE+OO Cobalt-60 Ci O.OOE+OO O.OOE+OO 4.20E-02 9.30E-02 Zinc-6S Ci O.OOE+OO O.OOE+OO 1.23E-03 9.3SE-OS Strontium-89 Ci O.OOE+OO O.OOE+OO O.OOE+OO 0. OOE.+00 strontium-90 Ci O.OOE+OO O.OOE+OO 6.91E-OS O.OOE+OO Niobium-9S Ci O.OOE+OO O.OOE+OO 1.17E-03 1. 84E-03 Zirconium-9S Ci O.OOE+OO O.OOE+OO 4.SOE-04 S.23E-04 Niobium-97 Ci O.OOE+OO *o. OOE+OO 6.88E-OS 3.39E-04 Technetium-99m Ci O.OOE+OO O.OOE+OO 3.90E-OS O.OOE+OO Ruthenium-lOS Ci O.OOE+OO O.OOE+OO O.OOE+OO 9.07E-OS Silver-110m *ci O.OOE+OO O.OOE+OO 3.87E-OS 4.32E-03 Antimony-122 Ci O.OOE+OO O.OOE+OO O.OOE+OO S.29E-OS Antimony-124 Ci O*.OOE+OO O.OOE+OO 3.0SE-03 6.SSE-03 Antimony-12S Ci O.OOE+OO O.OOE+OO 1.21E-02 4.86E-02 Iodine-131 *ci O.OOE+OO O.OOE+OO 7.48E-03 1.26E-02 Cesium-134 Ci O.OOE+OO O.OOE+OO 4.04E-02 7.2SE-02 Cesium-136 Ci O.OOE+OO O.OOE+OO 2.00E-04 1.12E-03 Cesium-137 Ci O.OOE+OO O.OOE+OO 4.84E-02 4.46E-02 Lanthanum-140 Ci O.OOE+OO O.OOE+OO 2.03E-OS 2.17E-OS Barium-140 Ci O.OOE+OO O.OOE+OO O.OOE+OO 1.14E-04 Tin-113 Ci O.OOE+OO O.OOE+OO O.OOE+OO 8.S1E-OS TOTALS O.OOE+OO O.OOE+OO 8.40E-01 1.46E+OO 23

TABLE 2B-2 (CONT)

Tritium Ci O.OOE+OO O.OOE+OO 5.89E+Ol 5.81E+Ol Xenon-131m Ci O.OOE+OO O.OOE+OO 2.85E-03 0.00E+OO Xenon-133m Ci O.OOE+OO O.OOE+OO 8.90E-04 O.OOE+OO Xenon-133 Ci O.OOE+OO O.OOE+OO 4.41E-Ol 4.64E-02 Xenon-135 Ci O.OOE+OO O.OOE+OO 7.48E-04 5.75E-04 TOTALS O.OOE+OO O.OOE+OO 5.93E+Ol 5.82E+Ol

24

SALEM GENERATING STATION TABLE 3 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992 UNITS 1 AND 2 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not irradiated fuel) 6-month Est. Total

1. Type of waste Units (1) period Error, %

a. Spent resins, filters, m3 1.70E+Ol sludges, evaporator bottoms Ci 6.88E+02 25

b. Dry compressible waste, m3 3.44E+Ol contaminated equipment. Ci 3.53E+OO 25

c. Irradiated components, m3 O.OOE+OO control rods Ci a*. OOE+OO 25

d. Others (described) m3 O.OOE+OO oil Ci O.OOE+OO 25

2. Estimate of major nuclide composition (for Type A and B waste)

Resins DAW

(%) (Ci) (%) (Ci)

Iron-55 7.1 4.89E+Ol 52.2 l.84E+OO Manganese-54 1.5 1. 03E+Ol 1.7 6.00E-02 Cobalt-58 64.2 4.42E+02 19.8 7.00E-01 Cobalt-GO 8.5 5.85E+Ol 12.0 4.20E-Ol Nickel-63 8.0 5.51E+Ol 7.9 2.80E-Ol Cesium-134 5.4 3.72E+Ol 1.4 5.00E-02 Cesium-137 4.9 3.37E+Ol 1.9 7.00E-02 (1) Volumes are measured, activities are estimated

25

SALEM GENERATING STATION TABLE 3

{CONT'D)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANAURY - JUNE 1992 UNITS 1 AND 2 SOLID WASTE AND IRRADIATED FUEL SHIPMENTS

3. Solid Waste Disposition Number of Mode of Type of Shipments Transportation Destination Containers 16 Truck Barnwell, SC Strong, tight containers 5 Truck Barnwell, SC HIC

4. IRRADIATED FUEL SHIPMENTS (Disposition)

Number of Mode of Shipments Transportation Destination None N/A N/A 26

SALEM GENERATING STATION TABLE 4A-l EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANAURY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 1 BATCH RELEASES ONLY Dates: January 1 - March 30, 1992

2. Type of release: Gas

3. Number of releases during the 1st Quarter: 13

4. Total time duration for all releases of type listed above:

1.09E+03 minutes

s. Maximum duration for release of type listed above:

1.96E+02 minutes

6. Average duration for release of type listed above:

8.38E+Ol minutes

7. Minimum duration for release of type listed above:*

5.90E+Ol minutes

8. Average stream flow (dilution flow) during the period of release: N/A 27

SALEM GENERATING STATION TABLE 4A-1 (CONT'D)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 1 BATCH RELEASES ONLY

1. Dates: April 1 - June 30, 1992

2. Type of release: Gas

3. Number of releases during the 2nd Quarter: 22

4. Total time duration for all releases of type listed above:

3.23E+04 minutes

5. Maximum duration for release of type listed above:

l.05E+04 minutes

6. Average duration for release of type listed above:

1.47E+03 minutes

7. Minimum durati9n for release of type listed above:

4.40E+Ol minutes

8. Average stream flow (dilution flow) during the period of release: N/A 28

SALEM GENERATING STATION TABLE 4A-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANAURY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 2 BATCH RELEASES ONLY

1. Dates: January 1 - March 30, 1992

2. Type of release: Gas

3. Number of releases during the 1st Quarter: 13

4. Total time duration for all releases of type listed above:

1.38E+04 minutes

5. Maximum duration for release of type listed above:

3.71E+03 minutes 6* Average duration for release of type listed above:

1.06E+03 minutes

7. Minimum duration for release of type listed above:.

1.00E+OO minutes

8. Average stream flow (dilution flow) during the period of release: N/A 29

SALEM GENERATING STATION TABLE 4A-2 (CONT'D)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 2 BATCH RELEASES ONLY

1. Dates: April 1 - June 30, 1992

2. Type of release: Gas

3. Number of releases during the 2nd Quarter: 30

4. Total time duration for all releases of type listed above:

5.44E+03 minutes

5. Maximum duration for release of type listed above:

1.35E+03 minutes

6. Average duration for release of type listed above:

1.81E+02 minutes

7. Minimum duration for release of type listed above:

3.00E+Ol minutes

8. Average stream flow (dilution flow) during the period of release: N/A 30

SALEM GENERATING STATION TABLE 4B-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 1 BATCH RELEASES ONLY

1. Dates: January 1 - March 30, 1992

2. Type of release: Liquid

3. Number of releases during the 3rd Quarter: 36

4. Total time duration for all releases of type listed above:

8.57E+03 minutes

5. Maximum duration for release of type listed above:

3.35E+02 minutes

6. Average duration for release of type listed above:

2.38E+02 minutes

7. Minimum duration for release of type listed above:

1.86E+02 minutes

8. Average stream flow (dilution flow) during the period of release: 1.61E+05 gpm 31

SALEM GENERATING STATION TABLE 4B-1

{CONT'D)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 1 BATCH RELEASES ONLY

1. Dates: April 1 - June 30, 1992

2. Type of release: Liquid

3. Number of releases during the 2nd Quarter: 28

4. Total time duration for all releases of type listed above:

7.73E+03 minutes

5. Maximum duration for release of type listed above:

6.48E+02 minutes

6. Average duration for release of type listed above:

2.76E+02 minutes

7. Minimum duration for release of type listed above:

2.12E+02 minutes

8. Average stream flow {dilution flow) during the period of release: 1.33E+05 gpm 32

SALEM GENERATING STATION TABLE 4B-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANUARY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 2 BATCH RELEASES ONLY

1. Dates: January 1 - March 30, 1992

2. Type of release: Liquid

3. Number of releases during the 3rd Quarter: 28

4. Total time duration for all releases of type listed above:

6.42E+03 minutes

5. Maximum duration for release of type listed above:

3.29E+02 minutes

6. Average duration for release of type listed above:

2.29E+02 minutes

7. Minimum duration for release of type listed above:

1.74E+02 minutes

8. Average stream flow (dilution flow) during the period of release: l.37E+05 gpm 33

SALEM GENERATING STATION TABLE 4B-2 (CONT'D)

EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JANAURY - JUNE 1992

SUMMARY

SHEET FOR RADIOACTIVE EFFLUENTS RELEASED IN A BATCH MODE UNIT 2 BATCH RELEASES ONLY

1. Dates: April 1 - June 30, 1992

2. Type of release: Liquid

3. Number of releases during the 4th Quarter: 33

4. Total time duration for all releases of type listed above:

1.11E+04 minutes

5. Maximum duration for release of type listed above:

3.16E+03 minutes Average duration for release of type listed above:

3.36E+02 minutes

7. Minimum duration for release of type listed above:

l.81E+02 minutes

a. Average stream flow (dilution flow) during the period of release: 1.17E+05 gpm 34

ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF lllND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS lllND: 300 FT LAPSE RATE: LE -1.9 DEG C/100M DELTA T: (300-33FT) CLASS A WIND SPEED GRWPS (MPH) o_o-oi5 0.6-3.5 3.6-7.5 7-6-12.5 12.6-18.5 18.6-24.5 GE 24.6 Slll PERCENT DIRECTION Slll PERCENT Slll PERCENT Slll PERCENT Slll PERCENT Slll PERCENT Slll PERCENT Slll PERCENT N 0 0.0 0 0.0 0 o.o 0 0.0 5 0.2 1 0.0 0 0.0 6 0.3 NNE 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 NE 0 0.0 0 0.0 0 0.0 0 o.o 0 0.0 0 0.0 0 o.o 0 0.0 ENE 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 E 0 0.0 0 0.0 0 0.0 2 0.1 .0 0.0 0 0.0 0 0.0 2 0. 1 ESE 0 o.o 0 0.0 0 o.o 0 0.0 2 0.1 0 0.0 0 0.0 2 0.1 SE 0 o.o 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 0.0 1 0.0 SSE 0 0.0 0 0.0 1 0.0 1 0.0 1 0.0 0 0.0 0 0.0 3 0.1 s 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 SSll 0 0.0 0 0.0 0 0.0 1 0.0 0 0.0 0 o.o 0 0.0 1 0.0 SW 0 0.0 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 WSW 0 0.0 0 o.o 0 0.0 0 0.0 0 o.o 3 0.1 3 0.1 6 0.3 0 0.0 0 o.o 111111 0 0.0 0 0.0 0.0 0

0 0.0 o.o 0

2 0.1 2

5 0.1 0.2 3

4 0.1 0.2 2

0 0.1 0.0 7

11 0.3 0.5 NW 0 o.o 0 0.0 0 0.0 1 0.0 5 0.2 11 0.5 14 0.7 31 1.5 NNW 0 0.0 0 0.0 0 0.0 0 0.0 2 0.1 5 0.2 4 0.2 11 0.5 0 0.0 0 0.0 1 o.o 8 0.4. 22 1.1 27 1.3 23 1. 1 81 4.0 HEAN lllND SPEED: 20.7 Table 5 MISSING: 8 Page 1 of 9

ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF MIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS MIND: 300 FT LAPSE RATE: -1.8 TO *1.7 DEG C/100H DELTA T: (300-33FT) CLASS B MIND SPEED GROUPS (MPH) 0.0-.0.5 0.6-3.5 3.6-7.5 7.6-12.5 . 12.6-18.5 18.6-24.5 GE 24.6 SlJf PERCENT DIRECTION Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT N 0 0.0 0 o.o 0 0.0 2 0.1 1 0.0 2 0.1 0 0.0 5 0.2 NNE 0 0.0 0 0.0 0 0.0 6 0.3 0 0.0 0 0.0 0 0.0 6 0.3 NE 0 0.0 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 0.0 1 0.0 ENE 0 0.0 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 0.0 1 0.0 E 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 ESE 0 0.0. 0 0.0 0 0.0 1 0.0 - 0 0.0 0

0 0.0 0.0 0

1 0.0 0.0 SE 0 0.0 0 0.0 0 0.0 1 0.0 2 0.1 1 0.0 0 0.0 4 0.2 SSE 0 0.0 0 0.0 2 0.1 0 0.0 0 0.0 0 0.0 0 0.0 2 0.1 s 0 0.0 0 0.0 2 0.1 0 o.o 1 0.0 0 0.0 0 0.0 3 0.1 SSM 0 0.0 0 0.0 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 0 0.0 SM 0 0.0 0 0.0 0 0.0 0 o.o 0 0.0 2 0.1 0 0.0 2 0.1 MSW 0 o.o 0 o.o 0 o.o 0 o.o 0 o.o 1 0.0 0 0.0 1 0.0 w 0 0.0 0 0.0 0 0.0 0. 0.0 1 0.0 6 0.3 2 0.1 9 0.4 MNW 0 o.o 0 0.0 0 0.0 0 0.0 3 0.1 5 0.2 0 0.0 8 0.4 NW 0 0.0 0 0.0 0 0.0 1 0.0 a 0.4 9 0.4 3 0.1 21 1.0 NNW 0 o.o 0 0.0 1 0.0 7 0.3 10 0.5 1 0.0 1 0.0 20 1.0 0 0.0 0 0.0 5 0.2 20 1.0 26 1.3 27 1.3 6 0.3 84 4.2 HEAN MIND SPEED: 16.5 Table 5 HISSING: 7 Page 2 of 9

ARTIFICIAL ISLAND Dl/92-03/92 JOINT DISTRIBUTION OF WIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS WIND: 300 FT LAPSE RATE: 6 TO -1.5 DEG C/100H DELTA T: (300-33FT) CLASS C WIND SPEED GROUPS (MPH) o_o-o.5 0.6-3_5 3.6-7_5 7_6-12-5 12.6-18_5 18-6-24-5 GE 24.6 SUH PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT N 0 o_o 0 o_o 1 0.0 1 0.0 0 0.0 0 0.0 0 0.0 2 O. 1 NNE 0 0.0 0 0.0 2 0.1 5 0.2 0 0.0 0 o_o 0 0.0 7 0.3 NE 0 0.0 0 0.0 0 0.0 4 0.2 1 0.0 0 0.0 0 0.0 5 0.2 ENE 0 0.0 0 0,0 1 0.0 0 0.0 0 0.0 0 0.0 0 0.0 1 0.0 E 0 0.0 0 0.0 1 0.0 0 0.0 ~ 0 0.0 0 0.0 0 0.0 1 0.0 ESE 0 0.0 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 o_o 1 0.0 SE 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 0.0 0 0.0 1 0.0 SSE 0 0.0 0 0.0 1 0.0 1 0.0 1 0.0 1 0.0 0 . 0.0 4 0.2 s 0 0.0 0 0.0 1 0.0 1 0.0 0 0.0 0 o.o 0 0.0 2 0.1 SSW 0 0.0 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 0.0 1 o_o SW 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 1 0.0 0 0.0 1 0.0 WSY 0 0.0 0 0.0 1 0.0 4 0.2 1 0.0 0 0.0 2 0.1 8 0.4 0 0.0 . 0.0 WNY" 0 0.0 0

0 0.0 0.0.

0 0 0.0 4

1 0.2 0.0 7

5 0.3 0.2 1

2 o.o 0.1 3 0.1 15 0_7 3 0.1 11 0.5 NY 0 0.0 0 0.0 1 0.0 2 0.1 11 0.5 5 0.2 2 0.1 21 1.0 NNY 0 0.0 0 0.0 4 0.2 1 0.0 5 0.2 3 0.1 0 0.0 13 0.6 0 0.0 0 0.0 14 0_7 26 . 1.3 31 1.5 13 0.6 10 0.5 94 4.7 MEAN WIND SPEED: 14.7 Table 5 HISSING: 9 Page 3 of 9

ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF "IND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS "IND: 300 FT LAPSE RATE: -1.4 TO -0.5 DEG C/100M DELTA T: C300-33FT) CLASS D MIND SPEED GRClJPS (MPH) 0.0-0.5 0.6-3.5 3.6*7.~ 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT N 0 0.0 1 0.0 5 0.2 7 0.3 10 0.5 13 0.6 0 0.0 36 1.8 NNE 0 0.0 . 0 0.0 3 0.1 5 0.2 16 0.8 4 0.2 2 0.1 30 1.5 NE 0 0.0 2 0.1 8 0.4 22 1.1 14 0.7 3 0. 1 8 0.4 57 2.8 ENE 0 0.0 1 0.0 9 0.4 13 0.6 23 1. 1 9 0.4 5 0.2 60 3.0 E 0 0.0 2 0. 1 4 0.2 10 0.5 7 0.3 0 0.0 0 0.0 23 1. 1 ESE 0 0.0 0 0.0 3 0.1 4 0.2- 0 0.0 0.0 0 0.0 8 0.4 SE 0 0.0 0 0.0 5 0.2 9 0.4 5 0.2 0.0 2 0. 1 22 1. 1 SSE 0 0.0 3 0.1 6 0.3 6 0.3 11 0.5 2 0.1 2 0.1 30 1.5 s 0 0.0 1 0.0 7 0.3 12 0.6 3 0.1 0 0.0 0 0.0 23 1.1 SS" 0 0.0 3 0.1 3 0.1 2 0.1 3 0.1 0 0.0 0 0.0 11 0.5 s" 0 0.0 0 0.0 1 0.0 5 0.2 7 0.3 3 0.1 1 0.0 17 0.8 MS" 0 0.0 0 0.0 5 0.2 8 0.4 5 0.2 4 0.2 0 0.0 22 1.1 M 0 0.0 0 0.0 5 0.2 10 0.5 13 0.6 17 0.8 23 1.1 68 3.4

\INM 0 0.0 2 0.1 5 0.2 7 0.3 27 1.3 28 1.4 20 1.0 89 4.4 N" 0 0.0 0 0.0 0.0 6 0.3 27 1.3 45 2.2 19 0.9 98 4.9 NNY 0 0.0 1 0.0 8 0.4 4 0.2 14 0.7 18 0.9 14 0.7 59 2.9 0 0.0 16 0.8 78 3.9 130 6.5 185 9.2 148 7.4 96 4.8 653 32.6 HEAN "IND SPEED: 16.2 Table 5 HISSING: 109 Page 4 of 9

ARTIFICIAL* ISLAND 01/92-03/92 JOINT DISTRIBUTION OF UIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS UIND: 300 FT LAPSE RATE: -0.4 TO 1.5 DEG C/100H DELTA T: (300-3lFT) CLASS E YIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 w.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUH PERCENT N 0 0.0 0 0.0 7 0.3 11 0.5 12 0.6 7 0.3 0 0.0 37 1.8 NNE 0 0.0 0 0.0 0 o.o 15 0.7 4 0.2 3 0.1 0 0.0 22 1.1 NE 0 0.0 0 0.0 4 0.2 9 0.4 12 o*.6 4 0.2 5 0.2 34 1. 7 ENE 0 0.0 2 0.1 6 O.l 22 1.1 21 1.0 3 0. 1 1 0.0 55 2.7 E 0 0.0 0 0.0 8 0.4 18 0.9 - 5 0.2 0 0.0 1 0.0 32 1.6 ESE 0 0.0 1 0.0 5 0.2 9 0.4 5 0.2 0 0.0 1 0.0 21 1.0 SE 0 0.0 2 0.1 4 0.2 6 0.3 14 0.7 12 0.6 13 0.6 51 2.5 SSE 0 0.0 3 0.1 7 0.3 6 0.3 11 0.5 10 0.5 6 0.3 43 2. 1 s 0 0.0 1 0.0 8 0.4 9 0.4 5 0.2 0 0.0 0 0.0 23 1.1 ssu 0 0.0 1 0.0 6 0.3 17 0.8 6 0.3 3 0.1 1 0.0 34 1. 7 SU 0 0.0 3 0.1 7 0.3 7 0.3 18 0.9 6 0.3 5 0.2 46 2.3 usu 0 0.0 1 0.0 4 0.2 10 0.5 17 0.8 9 0.4 3 0.1 44 2.2 y 0 0.0 2 0.1 .3 0.1 8 0.4 12 0.6 14 0.7 1 0.3 46 2.3 UNU 0 0.0 1 0.0 3 0.1 18 0.9 40 2.0 13 0.6 2 0.1 77 3.8 NU 0 0.0 1 0.0 5 0.2 10 0.5 83 4.1 40 2.0 15 0.7 154 7.7 NNU 0 0.0 0 0.0 2 0.1 17 0.8 23 1.1 21 1.0 3 0.1 66 3.3 0 0.0 18 0.9 79 3.9 192 9.6 288 14.4 145 7.2 63 3. 1 785 39.2 MEAN UIND SPEED: 15.0 Table 5 HISSING: 31 Page 5 of 9

_ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF UINO DIRECTION ANO SPEED BY ATMOSPHERIC STABILITY CLASS WINO: 300 FT LAPSE RATE: 1.6 TO 4.0 DEG C/100M DELTA T: (300*33FT) CLASS F UIND SPEED GROUPS (MPH) 0.0*0.5 0.6*3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6*24.5 GE 24.6 SUH PERCENT DIRECTION SUM PER~ENT SUM PERCENT SUM PERCENT SuM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT N 0 0.0 0 0.0 4 0.2 2 0.1 3 0.1 1 0.0 0 0.0 10 0.5 NNE 0 0.0 0 0.0 5 0.2 2 0.1 1 0.0 0 0.0 0 0.0 8 0.4 NE 0 0.0 0 0.0 2 0.1 7 0.3 9 0.4 1 0.0 0 0.0 19 0.9 ENE 0 0.0 0.0 3 0.1 6 0.3 12 0.6 0 0.0 0 0.0 22 1.1 E 0 0.0 0.0 3 0.1 3 0.1 3 0.1 0 0.0 0 0.0 10 0.5 ESE 0 0.0 0.0 3 0.1 3 0.1 0 0.0 0 0.0 0 0.0 7 0.3 SE 0 o.o 2 0.1 2 0.1 11 0.5 6 0.3 7 0.3 5 0.2 33 1.6 SSE 0 0.0 2 0.1 4 0.2 11 0.5 6 0.3 3 0.1 11 0.5 37 1.8 s 0 o.o 2 0.1 6 0.3 6 0.3 3 0.1 2 0.1 1 0.0 20 1.0 SSW 0 0.0 1 0.0 1 0.0 2 0.1 3 0.1 4 0.2 2 0.1 13 0.6 SW 0 0.0 1 o.o 4 0.2 4 0.2 8 0.4 5 0.2 0.0 23 1.1 WSW 0 0.0 0 0.0 1 o.o 4 0.2 3 0.1 2 0.1 0.0 11 0.5 0 0.0 1 0.0 1 0.0 o.o UNU" 0 0.0 0 0.0 4 0.2 6

1 0.3 0.0 0

5 0.2 1

0 0.0 0.0 0

0 0.0 0.0 9

10 0.4 0.5 NU 0 0.0 0 0.0 1 0.0 3 0.1 9 0.4 0 0.0 0 0.0 13 0.6 NNU 0 0.0 0 0.0 3 0.1 2 0.1 4 0.2 1 0.0 0 0.0 10 0.5 0 0.0 12 0.6 47 2.3 73 3.6 75 3.7 27 1.3 21 1.0 255 12.7 HEAN UINO SPEED: 13.4 Table 5 HISSING: 9 Page 6 of 9

ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF MIND DIRECTION ANO SPEED BY ATMOSPHERIC STABILITY CLASS MIND: 300 FT LAPSE RATE: Gl 4.0 OEG C/100H DELTA T: (300-33FT) CLASS G MIND SPEED GROUPS (MPH) 0.0:0.5 0.6-3.5 3.6-7.5 7.6-12.5 . 12.6-18.5 18.6-24.5 GE 24.6 SlM PERCENT DIRECTION SlM PERCENT SIM PERCENT SIM PERCENT SIM PERCENT SIM PERCENT SIM PERCENT SIM PERCENT N 0 o.o 0 0.0 0 0.0 1 0.0 1 0.0 0 0.0 0 0.0 2 0.1 NNE 0 0.0 0 0.0 0 0.0 3 0.1 1 0.0 0 0.0 0 0.0 4 0.2 NE 0 0.0 0 0.0 1 0.0 1 0.0 0 0.0 1' 0.0 0 0.0 3 0. 1 ENE 0 0.0 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 E 0 0.0 0 0.0 0 0.0 0 0.0 - 0 0.0 0 0.0 0 0.0 0 0.0 ESE 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 SE 0 0.0 0 0.0 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 0 0.0 SSE 0 0.0 0 0.0 0 0.0 0 0.0 4 0.2 1 0.0 4 0.2 9 0.4 s 0 0.0 0 0.0 1 0.0 3 0.1 1 0.0 1 0.0 4 0.2 10 0.5 SSM 0 0.0 0 0.0 1 0.0 1 0.0 2 0.1 1 o.o 0 0.0 5 0.2 SM 0 0.0 0 0.0 0 0.0 1 0.0 2 0.1 2 0. 1 0 0.0 5 0.2 YSM 0 0.0 0 0.0 3 0.1 1 0.0 2 0.1 0 0.0 0 0.0 6 0.3 y 0 0.0 0 0.0 0 0.0 3 0.1 2 0.1 1 0.0 0 0.0 6 0.3 YNY 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 NY 0 0.0 0 o.o 1 0.0 0 o.o 0 0.0 0 0.0 0 0.0 1 0.0 NNY 0 0.0 0 0.0 0 0.0 0 o.o 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 o.o 7 0.3 14 03 15 0.7 7 0.3 8 0.4 51 2.5 HEAN MIND.SPEED: 16.4 Table 5 HISSING: 5 Page 7 of 9

ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF MIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS MIND: 300 FT DELTA T: (300-33FT) ALL STABILITY CLASSES MIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT N 0 0.0 1 0.0 17 0.8 24 1.2 32 1.6 24 1.2 0 0.0 98 4.9 NNE 0 0.0 0 0.0 10 0.5 36 1.8 22 1.1 1 0.3 2 0.1 n 3.8 NE 0.0 2 0.1 15 0.7 44 2.2 36 1.8 9 0.4 13 0.6 119 5.9 ENE 0.0 4 0.2 19 0.9 42 2.1 56 2.8 12 0.6 6 0.3 139 6.9 E 0.0 3 0.1 16 0.8 33 1.6 - 15 0.7 0 0.0 1 0.0 68 3.4 ESE 0.0 2 0.1 11 0.5 18 0.9 1 0.3 1 0.0 1 0.0 40 2.0 SE 0.0 4 0.*2 12 0.6 28 1.4 27 1.3 21 1.0 20 1.0 112 5.6 SSE 0.0 8 0.4 21 1.0 25 1.2 34 1.7 17 0.8 23 1.1 128 6.4 s 0.0 4 0.2 25 1.2 31 1.5 13 0.6 3 0.1 5 0.2 81 4.0 SSM 0.0 5 0.2 11 0.5 24 1.2 14 0.7 8 0.4 3 0.1 65 3.2 SM 0.0 4 0.2 12 0.6 17 0.11 35 1.7 19 0.9 1 0.3 94 4.7 MSM 0.0 1 0.0 14 0.7 27 1.3 28 1.4 19 0.9 9 0.4 98 4.9 0.0 3 0.1.

MHY" 0.0 3 0.1 9

12 0.4 0.6 31 29 1.5 1.4 37 85 1.8 4.2 43 52 2.1 2.6 37 25 1.8 1.2 160 206 8.0 10.3 NM 0 o.o 1 0.0 9 0.4 23 1.1 143 7.1 110 5.5 53 2.6 339 16.9 NNY 0 0.0 1 0.0 18 0.9 31 1.5 58 2.9 49 2.4 22 1.1 179 8.9 0 0.0 46 2.3 231 11.5 463 23.1 642 32.1 394 19.7 227 11.3 2003 100.0 HISSING HOURS: 181 HEAN MIND SPEED: 15.5 Table 5 Page 8 of 9

ARTIFICIAL ISLAND 01/92-03/92 JOINT DISTRIBUTION OF UIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS UIND: 300 FT DELTA T: (300-33FT) DIRECTION VS SPEED ONLY WIND SPEED GROUPS (MPH) 0.0-0.5 0.6*3.5 3.6-7.5 7.6*12.5 12.6-18.5 18.6-24.5 GE 24.6 SUH PERCENT DIRECTION SUH PERCENT SUH PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUH PERCENT SUM PERCENT N 0 0.0 1 0.0 17 0.8 24 1.2 32 1.6 24 1.2 0 0.0 98 4.9 NNE 0 0.0 0 0.0 10 0.5 36 1.8 22 1.1 7 0.3 2 0. 1 77 3.8 NE 0 0.0 2 0.1 15 0.7 44 2.2 36 1.8 9 0.4 13 0.6 119 5.9 ENE 0 0.0 4 0.2 19 0.9 42 2.1 - 56 2.8 12 0.6 6 0.3 139 6.9 E 0 0.0 3 0.1 16 0.8 33 1.6 15 0.7 0 0.0 1 0.0 68 3.4 ESE 0 0.0 2 0.1 11 0.5 18 0.9 7 0.3 1 0.0 1 0.0 40 2.0 SE 0 0.0 4 0.2 12 0.6 28 1.4 27 1.3 21 1.0 20 1.0 112 5.6 SSE 0 0.0 8 0.4 21 1.0 26 1.3 35 1. 7 17 0.8 23 1. 1 130 6.5 s 0 0.0 4 0.2 26 1.3 31 1.5 13 0.6 3 0.1 5 0.2 82 4. 1 ssu 0 0.0 5 0.2 11 0.5 24 1.2 14 0.7 8 0.4 3 0.1 65 3.2 SU 0 0.0 4 0.2 12 0.6 17 0.8 35 1.7 19 0.9 7 0.3 . 94 4.7 usu 0 0.0 1 0.0 14 0.7 27 1.3 28 1.4 19 0.9 9 0.4 98 4.9 0 0.0 3 0.1 9 0.4 31 1.5 37 1.8 43 2.1 37 1.8 160 8.0 UNU 0 0.0 3 0.1 12 0.6 29 1.4 85 4.2 52 2.6 25 1.2 206 10.3 NU 0 0.0 1 0.0 9 0.4 23 1.1 143 7.1 110 5.5 53 2.6 339 16.9 NNU 0 0.0 1 0.0 18 0.9 31 1.5 58 2.9 49 2.4 22 1.1 179 8.9 0 0.0 46 2.3 232 11.6 464 23.1 643 32.1 394 19.6 227 11.3 2006 100.0 HISSING HOURS: 178 MEAN UIND SPEED: 15.5 Table 5 Page 9 of 9

ARTIFICIAL ISLAND 4/92- 6/92 JOINT DISTRIBUTION OF UIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS UIND: 300 FT LAPSE RATE: LE -1.9 DEG C/lOOM DELTA T: (300-33FT) CLASS A UIND SPEED GRllJPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUH PERCENT DIRECTION SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT SUH PERCENT N 0 0.0 0 0.0 0 0.0 6 0.3 4 0.2 0 0.0 0 0.0 10 0.5 NNE 0 0.0 0 0.0 0 0.0 1 0.0 2 0.1 1 0.0 0 0.0 4 0.2 NE 0 0.0 0 0.0 0 0.0 4 0.2 6 0.3 0 0.0 0 0.0 10 0.5 ENE E

0 0

0.0 0.0 0

0 0.0 0.0 0

0 0.0 6 . 0.3 2 0.1 0 o.o 0 o.o 8 0.4 0.0 3 0.1 4 0.2 0 0.0 0 o.o 7 0.3 ESE 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 SE 0 0.0 0 0.0 0 0.0 5 0.2 3 0.1 2 0.1 3 0.1 13 0.6*

SSE 0 0.0 0 0.0 1. o.o 4 0.2 4 0.2 4 0.2 0 0.0 13 0.6 s 0 0.0 0 0.0 0 o.o 1 0.0 0 0.0 0 O.D 0 0.0 1 0.0 ssu 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 SU 0 0.0 0 0.0 6 0.3 2 0.1 0 0.0 0 0.0 0 0.0 8 0.4 usu 0 0.0 0 0.0 4 0.2 2 0.1 0 0.0 0 o.o 0 0.0 6 0.3 u 0 0.0 0 0.0 5 0.2 0 o.o 1 0.0 0 0.0 0 0.0 6 0.3 UNU 0 0.0 0 0.0 2 0.1 2 0.1 *4 0.2 1 0.0 0 0.0 9 0.4 NU 0 0.0 0 0.0 1 o.o 1 0.0 10 0.5 5 0.2 3 0.1 20 1.0 NNU 0 0.0 0 0.0 0 0.0 1 0.3 11 0.5 6 0.3 1 0.0 25 1.2 0 0.0 0 0.0 19 0.9 44 2.1 51 2.5 19 0.9 7 0.3 140 6.8 HEAN UIND SPEED: 13.9 Table 6 HISSING: 6 Page 1 of 9

ARTIFICIAL ISLAND 4/92- 6/92 JOINT DISTRIBUTION OF WIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS WIND: 300 FT LAPSE RATE: -1.8 TO -1.7 DEG C/100H DELTA T: (300-33FT) CLASS B WIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SIM PERCENT DIRECTION SUH PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT N 0 0.0 0 0.0 1 0.0 10 0.5 2 0.1 0 0.0 0 0.0 13 0.6 NNE 0 0.0 0 0.0 1 0.0 4 0.2 0 0.0 o.o 0 0.0 6 0.3 NE 0 0.0 0 0.0 2 0.1 12 0.6 0 0.0 0.0 0 0.0 15 0.7 ENE 0 0.0 0 0.0 0 0.0 2 O.J 0.0 0 0.0 0 0.0 3 0.1 E 0 0.0 0 0.0 0 0.0 3 0.1 0 0.0 1 0.0 0 0.0 4 0.2 ESE 0 0.0 0 0.0 0 0.0 2 0.1 0 0.0 0 0.0 0 0.0 2 0.1 SE 0 0.0 0 0.0 0 0.0 0.0 2 0.1 6 0.3 0 0.0 9 0.4 SSE 0 0.0 0 0.0 2 0.*1 3 0.1 4 0.2 0.0 0 0.0 10 0.5 s 0 0.0 0 0.0 0 0.0 2 0.1 2 0.1 0 o.o 0 0.0 4 0.2 SSW 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 SW 0 0.0 1 0.0 2 0.1 0 0.0 0 0.0 0 0.0 0 0.0 3 0.1 WSW 0 0.0 1 0.0 8 0.4 1 0.0 0 o.o 0 o.o 0 o.o 10 0.5 w 0 0.0 0 0.0 4 0.2 3 0.1 0 0.0 0 0.0 0 0.0 1 0.3 WNW 0 0.0 0 0.0 4 0.2 1 0.0 2 0.1 0 o.o 0 0.0 7 0.3 NW 0 0.0 0 0.0 2 0.1 5 0.2 8 0.4 6 0.3 0 0.0 21 1.0 NNW 0 0.0 0 0.0 6 0.3 11 0.5 4 0.2 1 0.0 0.0 23 1.1 0 0.0 2 0.1 32 1.5 60 2.9 25 1.2 17 0.8 0.0 137 6.6 MEAN WIND SPEED: 11.5 Table 6 MISSING: 5 Page 2 of 9

ARTIFICIAL ISLAND 4/92- "6/92 JOINT DISTRIBUTION OF YIND DIRECTION AND SPEED BY ATMOSPHERIC* STABILITY CLASS YIND: 300 FT LAPSE RATE: -1.6 TO -1.5 DEG C/100M DELTA T: (300-33FT) CLASS C MIND SPEED GROOPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6*12.5 12.6-18.5 1a.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT N 0 0.0 0 0.0 4 0.2 7 0.3 0.0 0 0.0 0 0.0 12 0.6 NNE 0 0.0 0 0.0 2 0.1 1 0.0 0 0.0 0 0.0 0 0.0 3 0.1 NE 0 0.0 0 0.0 3 0.1 4 0.2 2 0.1 2 0.1 0 0.0 11 0.5 ENE .0 0.0 0 0.0 0 0.0 0 0.0- 0.0 3 0.1 0.0 5 0.2 E 0 0.0 0 0.0 0 0.0 1 0.0 1 0.0 0 0.0 0 0.0 2 0.1 ESE 0 0.0 0 0.0 1 SE 0 0.0 3 0.1 0 0.0 -o 0.0 0 0.0 4 0.2 0.0 0 0.0 0.0 2 0.1 0 0.0 6 0.3 0 0.0 9 0.4 SSE 0 0.0 0 0.0 0.0 1 0.0 1 0.0 2 0.1 1 0.0 6 0.3 s 0 0.0 0 0.0 2 0.1 1 0.0 1 0.0 0 0.0 0 0.0 4 0.2 SSM 0 o.o 1 0.0 2 0.1 1 0.0 1 0.0 0 0.0 0 0.0 SM 0 5 0.2 0.0 1 0.0 2 0.1 3 0.1 1 0.0 0 0.0 0 0.0 7 0.3 MSM 0 o.o 0 0.0 3 0.1 4 0.2 0 0.0 0 0.0 0 o.o 0 0.0 7 0.3 YNY" 0 0.0 0

0 0.0 0.0 4

2 0.2 0.1 2

2 0.1 0.1 3

2 0.1 0.1 0

3 0.0 0.1 0 0.0 9 0.4 0 0.0 9 0.4 NY 0 0.0 0 0.0 2 0.1 6 0.3 8 0.4 2 0.1 0 0.0 18 0.9 NNY 0 0.0 0 0.0 2 0.1 8 0.4 6 0.3 2 0.1 0 o.o 18 0.9 0 0.0 2 O. 1 31 1.5 46 2.2 28 l .4 20 1.0 2 0. 1 129 6.2 HEAN UIND SPEED: 11.7 Table 6 HISSING: 8 Page 3 of 9

ARTIFICIAL ISLAND 4/92- 6/92 JOINT DISTRIBUTION OF YIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS YIND: 300 FT LAPSE RATE: -1.4 TO -0.5 Df.G C/100M DELTA T: (300-33FT) CLASS D YIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUH PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT PERCENT SUM SUM PERCENT SUM PERCENT N 0 0.0 0.0 5 0.2 6 0.3 6 0.3 3 0.1 0 0.0 21 1.0 NNE 0 0.0 1 0.0 11 0.5 10 0.5 5 0.2 5 0.2 0 0.0 32 1.5 NE 0 0.0 3 0.1 14 0.7 27 1.l 16 0.8 8 0.4 2 0.1 70 3.4 ENE 0 0.0 0 0.0 18 0.9 29 1.4 4 0.2 8 0.4 2 0. 1 61 3.0 E 0 o.o 1 0.0 28 1.4 27 1.3 11 0.5 0 0.0 0 0.0 67 3.2 ESE 0 0.0 0 0.0 2 0.1 18 0.9 17 0.8 0 0.0 0 0.0 37 1.8 SE 0 0.0 0 0.0 5 0.2 5 0.2 22 1.1 19 0.9 5 0.2 56 2.7 SSE 0 0.0 0 0.0 7 0.3 8 0.4 45 2.2 27 1.3 5 0.2 92 4.5 s 0 0.0 1 0.0 9 0.4 16 0.8 34 1.6 5 0.2 0 0.0 65 3.1 SSY 0 0.0 0 0.0 7 O.l 22 1.1 16 0.8 9 0.4 0 0.0 54 2.6 SY 0 0.0 6 0.3 10 0.5 4 0.2 7 0.3 2 0.1 0 0.0 29 1.4 MSY 0 0.0 0 0.0 6 0.3 6 O.l 0 0.0 0 0.0 0 y

0.0 12 0.6 0 0.0 0.0 9 0.4 8 0.4 3 0.1 0 0.0 0 0.0 21 1.0 YNY 0 0.0 0 0.0 10 0.5 0.0 12 0.6 11 0.5 0.0 35 1.7 NY 0 0.0 0 0.0 9 0.4 16 0.8 19 0.9 10 0.5 0.0 55 2.7 NNY 0 0.0 0 0.0 7 0.3 9 0.4 11 0.5 2 0.1 2 o. 1 31 1.5 0 0.0 14 0.7 157 7.6 212 10.3 228 11.0 109 5.3 18 0.9 738 35.7 HEAN YIND SPEED: 12.7 Table 6 HISSING: 25 Page 4 of 9

ARTIFICIAL ISLAND 4/92- 6/92 JOINT DISTRIBUTION OF MIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS MIND: 300 FT LAPSE RATE: -0.4 TO 1.5 DEG C/100M DELTA T: (300-33FT)

CLASS E MIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUM PERCENT Slll PERCENT Slll PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT N 0 0.0 3 0.1 7 0.3 8 0.4 14 0.7 5 0.2 0 0.0 37 NNE 0 0.0 4 0.2 1.8 4 0.2 6 0.3 7 0.3 5 0.2 NE 0 0.0 0 0.0 26 1.3 0.0 8 0.4 18 0.9 20 1.0 8 ENE 0.4 0.0 56 2.7 0 0.0 0.0 10 0.5 11 0.5 11 0.5 3 0.1 0 0.0 36 1.7 E 0 0.0 0 0.0 3 0.1 18 0.9.. 11 0.5 0 0.0 0 0.0 32 ESE 0 0.0 1 0.0 1.5 2 0.1 11 0.5 6 0.3 8 0.4 SE 0 1 0.0 29 1.4 0.0 0 0.0 7 0.3 9 0.4 6 0.3 6 0.3 5 0.2 33 1.6 SSE 0 0.0 0 0.0 8 0.4 19 0.9 35 1.7 9 0.4 2 0.1 73 3.5 s 0 0.0 2 0.1 9 0.4 13 0.6 11. 0.5 3 0. 1 0 0.0 38 1.8 SSll 0 0.0 1 0.0 7 0.3 11 0.5 17 0.8 0.0 0 0.0 37 SM 0 0.0 3 0.1 1.8 9 0.4 9 0.4 17 0.8 16 0.8 1 llSll 0 0.0 0.0 55 2.7 0.0 5 0.2 15 0.7 2 0.1 1 0.0 II 0 0.0 0 0.0 24 1.2 1 0.0 6 0.3 15 0.7 7 0.3 0 0.0 0 0.0 29 1.4 MNY 0 o.o 0 0.0 6 0.3 14 0.7 8 0.4 3 0.1 0 NY 0 0.0 . 0.0 31 1.5 0.0 1 0.0 7 0.3 29 1.4 15 NNY 0.7 0 0.0 53 2.6 0 0.0 0.0 6 0.3 13 0.6 21 1.0 9 0.4 3 0.1 53 2.6 0 0.0 20 1.0 98 4.7 9.5 222 10.7 92 4.5 13 0.6 642 31. 1 HEAN lllND .SPEED: 13.0 Table 6 HISSING: 45 Page 5 of 9

ARTIF.ICIAL ISLAND 4/92- 6/92 JOINT DISTRIBUTION OF WIND DIRECTION ANO SPEED BY ATMOSPHERIC STABILITY CLASS WIND: 300 FT LAPSE RATE: 1.6 TO 4.0 DEG C/100M DELTA T: (300-33FT)

CLASS F WIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12~5 12.6* 18.5 18.6*24.5 GE 24.6 SUH PERCENT DIRECTION Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT Slit PERCENT SLM PERCENT N 0 0.0 2 0.1 0 0.0 5 0.2 6 0.3 0 0.0 0 0.0 13 0.6 NNE 0 0.0 2 0.1 0 0.0 6 0.3 6 0.3 1 0.0 0 0.0 15 0.7 NE 0 0.0 0 0.0 1 0.0 4 0.2 2 0.1 1 0.0 0 0.0 8 0.4 ENE 0 0.0 1 0.0 0 0.0 2 1!-1 2 0.1 1 0.0 0 0.0 6 0.3 E 0 0.0 2 0.1 0 0.0 2 0.1 0 0.0 0 0.0 0 0.0 4 0.2 ESE 0 0.0 1 0.0 1 0.0 2 0.1 1 0.0 2 0.1 0 0.0 7 0.3 SE 0 0.0 0 0.0 2 o.*1 4 0.2 5 0.2 1 0.0 2 0. 1 14 0.7 SSE 0 o.o 1 0.0 3 0.1 7 0.3 9 0.4 6 0.3 6 0.3 32 1.5 s 0 0.0 0 0.0 3 0.1 3 0.1 3 0.1 2 0.1 0 0.0 11 0.5 SSll 0 0.0 1 0.0 3 0.1 6 0.3 5 0.2 4 0.2 0 0.0 19 0.9 Sii 0 0.0 0 0.0 0 0.0 6 0.3 5 0.2 3 0.1 0 0.0 14 0.7 WSW 0 0.0 0 o.o 0 0.0 10 0.5 1 0.0 2 0.1 0 0.0 13 0.6 w 0 0.0 0 0.0 0 0.0 5 0.2 6 0.3 0 0.0 0 0.0 11 0.5 WNll 0 0.0 0 0.0 4 0.2 5 0.2 6 0.3 1 0.0 0 0.0 16 0.8 NII 0 0.0 0 0.0 1 0.0 5 0.2 6 0.3 2 0.1 0 0.0 14 0.7 NNll 0 0.0 0 0.0 5 0.2 6 0.3 2 0.1 0 0.0 0 0.0 13 0.6 0 0.0 10 0.5 23 1. 1 78 3.8 65 3.1 26 1.3 8 0.4 210 10.2 HEAN WINO SPEED: 13.1 '!'able 6 HISSING: 18 Page 6 of 9

ARTIFICIAL ISLAND 4/92* 6/92 JOINT DISTRIBUTION OF MIND DIRECTION ANO SPEED BY ATMOSPHERIC STABILITY CLASS MIND: 300 FT LAPSE RATE: GT 4.0 DEG C/100M DELTA T: (300-33FT) CLASS G MIND SPEED GRCIJPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUH PERCENT N 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 NNE 0 0.0 0 0.0 0 0.0 1 0.0 1 0.0 1 0.0 0 0.0 3 0.1 NE 0 0.0 0 0.0 1 0.0 0 0.0 0 0.0 0 0.0 0 0.0 1 0.0 ENE .o 0.0 0 o.o 0 0.0 1 0.0

0 o.o 0 0.0 0 o.o 1 0.0 E 0 0.0 0 0.0 1 0.0 3 0.1 0 0.0 0 o.o 0 0.0 4 0.2 ESE 0 0.0 0 0.0 1 0.0 1 0.0 1 0.0 0 0.0 0 0.0 3 0. 1 SE 0 0.0 0 0.0 0 0.0 0 0.0 1 0.0 0 o.o 1 0.0 2 0.1 SSE 0 o.o 0 0.0 0 0.0 1 0.0 3 0.1 2 0.1 4 0.2 10 0.5 s 0 0.0 0 o.o 0 0.0 3 0.1 1 0.0 1 0.0 1 0.0 6 0.3 SSM 0 0.0 0 0.0 1 0.0 3 0.1 6 0.3 0 0.0 0 0.0 10 0.5 SM 0 0.0 0 0.0 3 0.1 1 0.0 1 0.0 0 0.0 0 0.0 5 0.2 MSY 0 0.0 0 0.0 0 o.o 1 0.0 1 0.() 0 0.0 0 0.0 2 0.1 M 0 0.0 0 0.0 1 0.0 0 0.0 7 0.3 2 0.1 0 0.0 10 0.5 MNM 0 0.0 0 0.0 0 0.0 0 0.0 2 0.1 1 0.0 0 0.0 3 0.1 NM 0 0.0 0 0.0 0 0.0 3 0.1 5 0.2 0 0.0 0 0.0 8 0.4 NNM 0 0.0 0 0.0 0 0.0 0 0.0 2 0.1 0 0.0 0 0.0 2 0.1 0 0.0 0 0.0 8 0.4 18 0.9 31 1.5 7 0.3 6 0.3 70 3.4 HEAN MIND SPEED: 14.8 Table 6 HISSING: 4 Page 7 of 9

ARTIFICIAL ISLAND 4/92-.6/92 JOINT DISTRIBUTION OF UIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS UIND: 300 FT DELTA T: (300-33FT) All ST AB I LI TY CLASSES WIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 . 18.6-24.5 GE 24.6 SUM PERCENT DIRECTION SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT N 0 0.0 6 0.3 17 0.8 42 2.0 33 1.6 8 0.4 D 0.0 106 5.1 NNE 0 0.0 7 0.3 18 0.9 29 1.4 21 1.0 14 0.7 0 0.0 89 4.3 NE 0 0.0 4 0.2 29 1.4 69 3.3 46 2.2 20 1.0 3 0.1 171 8.3 ENE 0 0.0 2 0.1 28 1.4 51 2.5 21 1.0 15 0.7 3 0.1 120 5.8 E 0 0.0 3 0.1 32 1.5 57 2.8 27 1.3 1 0.0 0 0.0 120 5.8 ESE 0 0.0 2 0.1 7 0.3 37 1.8 25 1.2 10 0.5 1 0.0 82 4.0 SE 0 0.0 0 0.0 15 0.7 26 1.3 39 1.9 40 1.9 16 0.8 136 6.6 SSE 0 0.0 1 0.0 22 1.1 43 2.1 101 4.9 51 2.5 18 0.9 236 11.4 s 0 0.0 3 0.1 23 1.1 39 1.9 52 2.5 11 0.5 1 0.0 129 6.2 ssu 0 o.o 3 0.1 20 1.0 43 2.1 45 2.2 14 0.7 0 o.o 125 6.1 SU 0 o.o 11 0.5 32 1.5 25 1.2 31 1.5 21 1.0 1 0.0 121 5.9 wsu 0 0.0 2 0.1 26 1.3 39 1.9 4 0.2 3 0.1 0 0.0 74 3.6 u 0 0.0 2 0.1 29 1.4 33 1.6 27 L3 2 0.1 0 0.0 93 4.5 WNU 0 0.0 0 0.0 28 1.4 25 1.2 36 L7 20 1.0 1 0.0 110 5.3 NU 0 0.0 1 0.0 16 0.8 43 2.1 85 4.1 40 1.9 4 0.2 189 9.1 NNll 0 0.0 1 0.0 26 1.3 54 2.6 57 2.8 20 1.0 7 0.3 165 8.0 0 0.0 48 2.3 368 17.8 655 31.7 650 31.5 290 14.0 55 2.7 2066 100.0 HISSING HOURS: 118 HEAN UIND SPEED: 12.8 Table 6 Page 8 of 9

ARTIFICIAL ISLAND 4/92- 6/92 JOINT DISTRIBUTION OF MIND DIRECTION AND SPEED BY ATMOSPHERIC STABILITY CLASS MIND: 300 FT DELTA T: (300-33FT) DIRECTION VS SPEED ONLY MIND SPEED GROUPS (MPH) 0.0-0.5 0.6-3.5 3.6-7.5 7.6-12.5 12.6-18.5 18.6-24.5 GE 24.6 SUM PERCENT OIRECTIOftl Slit PERCENT SUM PERCENT SUM PERCENT SUM PERCENT SUM PERCENT Slit PERCENT SUH PERCENT N 0 0.0 6 0.3 17 0.8 42 2.0 33 1.6 8 0.4 0 0.0 106 5. 1 NNE 0 0.0 7 0.3 18 0.9 29 1.4 21 1.0 14 0.7 0 0.0 89 4.3 NE 0 0.0 4 0.2 29 1.4 69 3.3 46 2.2 20 1.0 3 0.1 171 8.2 ENE 0 0.0 2 0.1 28 1.4 51 2.5 - 21 1.0 15 0.7 3 0.1 120 5.8 E 0 0.0 3 0.1 32 1.5 57 2.7 27 1.3 1 0.0 0 0.0 120 5.8 ESE 0 0.0 2 0.1 7 0.3 37 1.8 25 1.2 10 0.5 1 0.0 82 4.0 SE 0 0.0 0 0.0 15 0.7 26 1.3 40 1.9 40 1.9 16 0.8 137 6.6 SSE 0 o.o 1 0.0 22 1.1 43 2.1 101 4.9 51 2.5 18 0.9 236 11.4 s 0 0.0 3 0.1 23 1.1 39 1.9 52 2.5 11 0.5 1 0.0 129 6.2 SSM 0 o.o 3 0.1 20 1.0 46 2.2 45 2.2 14 0.7 0 0.0 128 6.2

.SU 0 0.0 11 0.5 32 1.5 28 1.4 31 1.5 21 1.0 1 0.0 124 6.0 MSM 0 0.0 2 0.1 26 1.3 39 1.9 4 0.2 3 0.1 0 0.0 74 3.6 0 0.0 2 IJNM" 0 0.0 0 0.1 0.0 29 28 1.4 1.4 33 25 1.6 1.2 27 36 1.3 1.7 20 2 0.1 1.0 0

1 0.0 0.0 93 110 4.5 5.3 NM 0 0.0 1 0.0 16 0.8 43 2.1 85 4.1 40 1.9 4 0.2 1B9 9. 1 NNM 0. 0.0 1 0.0 26 1.3 54 2.6 57 2.7 20 1.0 7 0.3 165 8.0 0 0.0 48 2.3 368 17.8 661 31.9 651 31.4 290 14.0 55 2.7 2073 100.0 HISSING HOURS: 111 HEAN MIND SPEED: 12.8 Table 6 Page 9 of 9

AMENDMENT TO RERR-31

PART c. LIQUID EFFLUENTS See summary Tables 2A-1 thru 2C for Salem Unit 1 Operations.

See summary Tables 2A-2 thru 2C for Salem Unit 2 Operations.

PART D. SOLID WASTE See Summary in Table 3.

PART E. RADIOLOGICAL IMPACT OH MAH The calculated individual doses in this section are based on actual locations of nearby residents and farms. The population dose impact is based on historical site specific data i.e., food production, milk production, feed for milk animals and seafood production.

The doses were calculated using methods described in Regulatory Guide 1.109 and represent calculations for the six month reporting interval. Individual doses from batch and continuous releases were calculated using the annual average historic meteorological dispersion coefficients as described in the Offsite Dose Calculation Manual

Population doses were calculated using the meteorological dispersion coefficients for the six month reporting interval.

Liauid Pathways Doses to individuals in the population from liquid releases are primarily from the seafood ingestion pathway. Calculated doses to individuals are as shown below:

Total body dose to an individual: 3.83E-Ol mrem Highest organ dose: 1.79E+OO mrem to the GI-LLI.

Dose to the 6 million individuals living within the so mile radius of the plant site:

Total population dose: 7.lOE-02 person-rem Average population dose: 1.19E-05 mrem/person

8

SALEM GENERATING STATION TABLE 2A-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JULY - DECEMBER 1991 UNIT 1 LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES Est.

3rd 4th Total Units Quarter Quarter Error %

A. Fission and activation products

1. Total release (not including tritium, gases, alpha)

2. Average diluted Ci 6.65E-Ol 1.24E+OO 25 I

concentration during period uCi/mL 8.79E-08 1.29E-07

3. Percent of technical specification limit (T.S. 3.11.1.2. (a)) % 5.62E+OO 1.68E+Ol B. Tritium

1. Total release Ci 1.46E+02 2.14E+02 25

2. Average diluted concentration during period uci/mL 1. 93E-05 2.23E-05

3. Percent of technical specification limit (T.S. 3_.11.1.1) % 6.42E-Ol 7.42E-Ol

c. Dissolved and entrained noble gases

1. Total release Ci 4.27E-02 3.16E-Ol 25

2. Average diluted concentration during period uCi/mL 5.64E-09 3.29E-08

3. Percent of technical specification limit

. (T. S. 3.11.1.1) % 2.82E-03 1.65E-02 D. Gross alpha activity

1. Total release Ci O.OOE+OO O.OOE+OO E. Volume of waste release (prior to dilution -

Batch Release) liters 2.86E+06 3.29E+06 F. Volume of dilution water used during entire period liters 7.56E+09 9.60E+09 19

SALEM GENERATING STATION TABLE 2A-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JULY - DECEMBER 1991 UNIT 2 LIQUID EFFLUENTS-SUMMATION OF ALL RELEASES Est.

3rd 4th Total Units Quarter Quarter Error %

A. Fission and activation products

1. Total release (not including tritium, gases, alpha) Ci 3.62E-Ol 6.91E-Ol 25

2. Average diluted concentration during period uCi/mL 6.51E-08 1.35E-07

3. Percent of technical specification limit (T.S. 3.11.1.2. (a)) % 2.86E+OO 1. 05E+Ol B. Tritium

1. Total release Ci 1. OOE+02 1.39E+02 25

2. Average diluted concentration during period uCi/mL l.SOE-05 2.71E-05

3. Percent of technical specification limit (T.S. 3*.11.1.1) % 6.0lE-01 9.05E-Ol

c. Dissolved and entrained noble gases

1. Total release Ci 5.91E-02 2.GOE-01 25

2. Average diluted *'*

concentration during period uCi/mL 1.0GE-08 5.07E-08

3. Percent of technical specification limit (T.S. 3.11.1.1) % 5.JlE-03 2.54E-02 D. Gross alpha activity

1. Total release Ci O.OOE+OO O.OOE+OO E. Volume of waste release (prior to dilution -

Batch Release) liters 1.72E+06 2.13E+06 F. Volume of dilution water used during entire period liters 5.56E+09 5.13E+09 20

SALEM GENERATING STATION TABLE 2B-1 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JULY - DECEMBER 1991 LIQUID EFFLUENTS UNIT 1 CONTINUOUS MODE BATCH MODE 3rd 4th 3rd 4th Nuclides Released Unit Quarter Quarter Quarter Quarter Beryllium-7 O.OOE+OO O.OOE+OO 2.47E-03 O.OOE+OO Sodium-24 O.OOE+OO O.OOE+OO 3.03E-04 8.31E-04 Chromium-51 O.OOE+OO O.OOE+OO 3.30E-04 3.61E-03 Manganese-54 O.OOE+OO O.OOE+OO 1.52E-02 1. 95E-02 Iron-55 O.OOE+OO O.OOE+OO 2.73E-02 3.95E-02 Iron-59 O.OOE+OO O.OOE+OO 2.31E-04 6.51E-05 Cobalt-57 O.OOE+OO O,OOE+OO 1.69E-03 3.03E-03 Cobalt-58 O.OOE+OO O.OOE+OO 4.89E-Ol 8.33E-01 Cobalt-60 1. 97E-05 O.OOE+OO 5.87E-02 1.14E-Ol Zinc-65 O.OOE+OO O.OOE+OO 2.45E-04 1. 49E-05 strontium-89 O.OOE+OO O.OOE+OO 3.81E-04 9.87E-04 strontium-90 O.OOE+OO O.OOE+OO 8.63E-05 1. 25E-04 Niobium-95 O.OOE+OO O.OOE+OO 1.77E-03 2.19E-03 Zirconium-95 O.OOE+OO O.OOE+OO 7.44E-04 1.15E-03 Niobium-97 O.OOE+OO O.OOE+OO 3.74E-04 3.18E-04 Technetium-99m O.OOE+OO O.OOE+OO 2.30E-04 O.OOE+OO Silver-llOm O.OOE+OO O.OOE+OO 3.27E-04 1. 44E-04 Antimony-122 O.OOE+OO O.OOE+OO O.OOE+OO 2.49E-04 Antimony-124 O.OOE+OO O.OOE+OO 1.98E-04 1. 34E-02 Antimony-125 O.OOE+OO O.OOE+OO 1.07E-02 3.91E-02 Iodine-131 5.58E-05 O.OOE+OO 6.80E-03 3.36E-02 Iodine-132 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Iodirie-133 O.OOE+OO O.OOE+OO 1.79E-03 1. 26E-03 Strontium-92 O.OOE+OO O.OOE+OO O.OOE+OO 2.17E-05 Cesium-134 1.18E-05 O.OOE+OO 1.85E-02 6.00E-02 Cesium-136 O.OOE+OO O.OOE+OO 3.50E-05 2.18E-03 Cesium-137 2.66E-05 O.OOE+OO 2.71E-02 6.73E-02 Lanthanum-140 O.OOE+OO O.OOE+OO 1.38E-04 8.50E-05 Cerium-144 O.OOE+OO O.OOE+OO 2.82E-04 O.OOE+OO Tin-113 O.OOE+OO O.OOE+OO 2.88E-05 3.85E-05 Fluorine-18 O.OOE+OO O.OOE+OO O.OOE+OO 2.67E-04 Ruthenium-105 O.OOE+OO O.OOE+OO 4.83E-05 O.OOE+OO TOTALS 1.14E-04 O.OOE+OO 6.65E-Ol 1. 24E+OO 21

SALEM GENERATING STATION TABLE 2B-2 EFFLUENT AND WASTE DISPOSAL SEMIANNUAL REPORT JULY - DECEMBER 1991 LIQUID EFFLUENTS UNIT 2 CONTINUOUS MODE BATCH MODE 3rd 4th 3rd 4th Nuclides Released Unit Quarter Quarter Quarter Quarter Sodium-24 O.OOE+OO O.OOE+OO 1. 59E-04 1.36E-03 Chromium-51 O.OOE+OO O.OOE+OO 3.0lE-04 1.49E-03 Manganese-54 O.OOE+OO O.OOE+OO 7.14E-03 1.21E-02 Iron-55 O.OOE+OO O.OOE+OO 1.42E-02 1.38E-02 Iron-59 O.OOE+OO O.OOE+OO 3.17E-05 O.OOE+OO Cobalt-57 O.OOE+OO O.OOE+OO 8.82E-04 1.65E-03 Cobalt-58 O.OOE+OO O.OOE+OO 2.59E-Ol 5.08E-Ol Cobalt-60 O.OOE+OO O.OOE+OO 2.43E-02 3.62E-02 Zinc-65 O.OOE+OO O.OOE+OO 9.30E-05 O.OOE+OO Strontium-89 O.OOE+OO O.OOE+OO O.OOE+OO 7.02E-04 Strontium-90 O.OOE+OO O.OOE+OO 5.32E-05 1.15E-04 Niobium-95 O.OOE+OO O.OOE+OO 1.08E-03 8.13E-04

Zirconium-95 Niobium-97 Technetium-99m Ruthenium-105 Silver-llOm Antimony-122 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO 5.24E-04 3.42E-05 5.35E-05 O.OOE+OO 2.24E-04 1.26E-05 2.83E-04 1.19E-04 1.0lE-05 3.21E-05 3.86E-04 5.82E-05 Antimony-124 O.OOE+OO O.OOE+OO 5.73E-04 9.26E-03 Antimony-125 O.OOE+OO O.OOE+OO 1.67E-02 2.18E-02 Iodine-131 O.OOE+OO O.OOE+OO 5.64E-03 2.06E-02 Iodine-132 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Iodine-133 O.OOE+OO O.OOE+OO 1.06E-03 9.0lE-04 Cesium-138 O.OOE+OO O.OOE+OO O.OOE+OO 6.51E-06 cesium-134 O.OOE+OO O.OOE+OO 1.23E-02 2.95E-02 Cesium-136 O.OOE+OO O.OOE+OO 1. 61E-04 8.68E-04 Cesium-137 O.OOE+OO O.OOE+OO 1.78E-02 3.04E-02 Lanthanum-140 O.OOE+OO O.OOE+OO 1.60E-05 3.42E-06 Barium-140 O.OOE+OO O.OOE+OO O.OOE+OO O.OOE+OO Bromine-82 O.OOE+OO O.OOE+OO O.OOE+OO 6.04E-05 Fluorine-18 O.OOE+OO O.OOE+OO O.OOE+OO 9.18E-04 TOTALS O.OOE+OO O.OOE+OO 3.62E-Ol 6.91E-Ol 23

REVISION 7 TO SALEM ODCM REVISION 7 OF THE SALEM OFFSITE DOSE CALCULATION MANUAL Attached is a breakdown of the revisions made to the Salem Generating Stations Offsite Dose Calculation Manual (ODCM). The revisions were made to satisfy part B closure of some DCP's and to update information contained in the ODCM.

Chanqe f 1 page 5 bottom Change From:

Use of the effective MPC value as derived in Appendix A may be non-conservative for the R-19 Steam Generator Slowdown monitors and R37 Chemical Waste Basin monitors where I-131 transfer during primary to secondary leakage may potentially be more controlling blowdown monitors, lR13** Service Water monitor and R37 Chemical Waste Basin monitor~

Change to:

Based upon the potential for I-131 to be present in the secondary and service water systems, the use of the default effective MPC value as derived in Appendix A may be non-conservative for the 1Rl9 and 2Rl9 SGBD monitors, the R-37 Chemical Waste Basin Monitor and the lR-13 Service Water Monitors.

Reason:

Clarified statement tor better understandinq of non-conservative conditions that will occur if the default effective MPC value is used *

1

Chanqe f 2 Page 6, bottom Change From:

MPCe of lE-05 uci/ml used for default _2Rl3 radiation monitor setpoint.

Change to:

MPCe of 3.38E-06 uci/ml used for default 2Rl3 radiation monitor setpoint.

Reason:

See Appendix A for justification of MPC*

Chanqe f 3 page 24 section 2.4.l and page 25 section 2.4.2 Changed from:

Qi = cumulative release of noble gas radionuclide i over the period of interest (uci)

Change to:

Q; = cumulative release of noble qas radionuclide i over the period of interest (uci) where uci * (uci/cc) (cc released) or (uci/sec) (sec released)

Reason:

Provided definition of how uci value is obtained *

2

Cha.nqe 14 Page 41 table l-1 Changed from:

Circulating Water Pump default value of l.85E5 gpm Changed to:

Circulating water Pump default value of l.OOE5 gpm Reason:

Tests conducted by Maplewood RTL indicated a flow of less than 185,000 gpm. Default value was adjusted downward to be conservative. Test results are found in test document #73752B Chanqe ts P1ge 41 tlble 1*1 Changed frC111:

Parllll'lltter Def1Ult Units CClllllllntS Value SEN 1*R18 as Z.9E+07 c~ per redwa1ta affluent (Cs*137>

dete1'111ined uc:i /Ill 1*R19 Z.9E+07 st... Generator ll~ cca-137>

CA,B,C,D) 1*R13 5.6Z£+07 Service Water

Cont*i,_,t fan cooling CA,B,C,D,E) (Cl*137)

Change to:

Actual Def1Ult *unit* Comlnt*

SEN 1*R18 1*R19 VllUI detll'llined V1lU1 Z.91+07 Z.91+07

~per uc:i/*l Rldwlste efflu.nt (Cl*137)

St... Gerwr1tor llowdown (Cs*137)

(A,B,C,D) 1*R13CA,I) 5.62E+07 Service W1ter ° Cont1i,_,t F1n Cooling <Cs-137) 1*R13 CC,D,I) 1.01E+OI Reason:

Monitor sensitivities changed due to a detector replacement in accordance with Design Change Package # lEC-3049,lEC-3061, and lEC-3056.

3

Chanq* f 6 Page 41 table 1*1 Change from:

Parameter Actual Default Units Cooments value Value SP 1*R18 calculated 4.4E+05(+blcg) ci:m Default alarm setpoints; more conservative values may be used as deemed appropriate 1*R19** calculated 1.3E+04(+blcg) and desirable for ensuring regulatory compliance and for maintaining releases ALARA 1*R13.. calculated 2.6E+03(+blcg)

Change to:

Parameter Actual Default Units Conmen ts Value Value SP 1*R18 calculated 1.13E05(+blcg) Cpnl Default alarm setpoints; more conservative values mey be used as deemed appropriate and 1*R19** calculated 7.25E+03C+blcg) desirable for ensuring regulatory compliance and for .. intaining releases ALARA.

1*R13(A,B>.. calculated 6.7E+02(+blcg)

CC,D,E)** 1.2E+03(+blcg)

Reason:

Setpoints were changed following work from Design Change Package

lEC-3049,lEC-3061,lEC-3056 and updated Circulating Water Data.

Chanqe f 7 page 42 table 1*2 Change fre11:

Par-ter Actual Default Unit* Camientl SEN 2*R18 2*R19 Value deten1fned Value 8.SE+07 8.SE+07 cpm per uci/cm1 radwast* effluent ccs-137)

Stea1111 Generator Blowclown (Cs-137 CA,B,C,D) 2*R13 8.8E+07 Service Water* Contairment fan cooling (A,B,C) cca-137>

R37 8.8E+07 Ch..ical Waste Basin (Ca*137)

4

Change to:

Paranwter Actual Default Units Conmentl V*lue Value SEN 2-R18 es 1.14E+08 cpn per Redwaste effluent CCs-137) determined uci/ml 2-R19(A,C) 1.26E+08 S/G blowdown rate per generator 2*R19(8) 1.14E+08 2*R19(D) 1.13E+08 2-R13 9.05E+07 Service Water* Contairment fan cooling CA,8,C) (Cs- 137)

R37 1.24E+08 Cheiaical Waste Basin discharge Reason:

Sensitivities were updated to reflect current design information and to include changes from Design Change Package #2EC-3049,2EC-3053, and 2EC-3054.

Chanqe ta Page 42 table 1-2 Change from:

Parameter Actual Default Unit* ccnmenu Value Value *T cw as 1.85E5 Circulating Water System, a single cw detennined ~.(Note no CW~ in service for 2R13 monitor see section 1.2.2 Change to:

Parameter Actual Default Unit* Caa.ntl Value Value cw as 1.00E5 Cfrculating W.ter Syst*, a single cw detel'llf ned pulp (Note no CW pulp In service for 2R13 monitor ' " section 1.2.2 Reason:

Tests conducted by Maplewood RTL indicated a flow less than 185,000 gpa. Flow rate was adjusted downward to be conservative.

Test results can be found in test document #727538 *

5

Chanqe f 9 Page 42 table 1-2 Change fr0111:

Parameter Actual Default Units Conmen ts Value Value AA A37 as 300 gpm Chemical Waste Basin discharge detennined Change to:

Parameter Actual Default Units Conmen ts Value Value AA A37 as 1200 gpni Chemical Waste Basin discharge detenni ned Reason:

Clearwell Pumps were replaced in 1985 with higher capacity pumps.

The maximum flowrate changed from 300 to 1200 gpm. Change was performed under Design Change Package #lEC-1025.

Chanq* f 10 page 42 table 1-2 Change fr0111:

Par.,..ter ActUlll Deflult Units Cannenta Value Value SP 2*A18- calculated 8.0E+OS(+bkg) Cpl Default alal'lll setpoints; more conservative values may be used 2-R19*- calculated 3.9E+04(+bkg) as deemed appropriate and desirable for ensuring regulatory 2*R13*- calculated 8.8E+02(+bkg) c~lienc:e ind for maintaining releesn Al.ARA R37"- calculated 1.6E+04(+bkg)

Change to:

P11r111111ter Actual Default Units . Cannents Valua Value SP 2*R18 calculated 3.21E+05(+bkg) Cpill Def1ult alar111 1etpoints; more conservative v1lues.may be used 2*R19(A,C>- cah:ulated 3.15E+04(+bkg) as deemed appropriate and 2-R19CB>- 2.85E+04(+bkg) desir1ble for ensuring regulatory 2*A19(0)- 2.825E+04(+bkg) c°""liance and for maintaining releasn Al.ARA.

2*A13- calculated 3.0SE+02(+bkg)

R37'*'* calculated 3.10E+03(+bkg) 6

Reason:

Setpoints were updated to current design information and to include changes from Design Change Package #2EC-3049,2EC-3053, and 2EC-J054.

Corrected typographical error for number of asterisks after the RJ7 monitor and at the bottom of the page.

Chanq* 111 Page 49 table 2*2 Change frcm:

Par-ter Act1.111l Default Unit*

Value Value SP 1*R41C calculat9d 3.3E+04(+blcg) cs- Defeult alal'll 1etpoint1; more conaervative values 11111y be used as 1*R16 calculat9d 7.4E+04(+blcg) cleemd appropriate and desirable for ensuring r-..ilatory c~lianc:e and 1*R12A- calculated 1.SE+04(+blcg) 111aintaining rel***.. ALARA.

Change to:

Par-ter Act1.111l Default Units Can11nt1 Value Value SP 1*R41C calculat9d 3.2E+04(+blcg) cs- Defeult alal'll setpoint1; more conmervative values ..Y be used as 1*R16 .calculat9d 7.2E+04(+blcg) de-.:1 9"M"opriata and desirable for ensuring regulatory coq>l iance and 1*R12A- calculat9d 1.5E+04(+blcg) .. intafning relea1.. ALARA.

Reason:

setpoints were revised slightly due to recalculation of current setpoints. Values were rounded down to be conservative.

7

Chanqe 112 Page 50 table 2-3 Change fran:

Parameter Actu.l Default Units Cammi ts V*lue Value SP 2*R41C c*lcul*tld 3.3E+04(+b<<g) Default 1l1n1 setpoints; more conserv1tlve v1lues 2-R16 c*lcul*Ud 7.2E+04(+b<<g) may be used H deemed approi:iriate Ind desirable for 2*R12A- c*lcul*ted 2.4E+05(+bltg) ensuring regulatory coq>lill'ICe and for 1111intaining releases Al.ARA.

Change to:

Par!lllleter ActUlll Default unit*

Value Value SP 2*R41C calculated 3. 2E+04( +beg) Default alar11 setpoints; more conserv11tfw values *Y be 2*R16 calculated 7.0E+04(+b<<g) used u de..ct IRX"opriate and ctnfrable for ensuring 2-R12A- calculated 2.4E+05(+b<<g) regulatory ccaipli1nee and fOlt' nmintainf ng releHn ALARA.

Reason:

Setpoints were adjusted slightly following recalculation with current design information.

Chanqe 113 Page 51 table 2-4 Change frca: Atmaplerfc Dfspersion Technical Loctitfan Pathw.y Controllfng X/Q D/Q Specificatfon Age Grcqa (sec/113) (l/182) 6.9.1.10 second s.n Dfrec:t upoeure n/a a.ZZE-06 n/*

~~(0.21 *flel*> ..t fmalatfon Change to:~~

~~Deleted Second 5'n frm table Reason:~~

The second sun will no longer be used for visitors due to safety concerns *

8
~~Chanqe f 14 Appendix A, Paqe A-3 Change From:~~
~~i: Ci Ci~~
i: *******
MPCi where:
MPC 0 = an effective MPC v1lue for 1 mixture of rldionucl ide (uci/11l >
Ci
~~concentr1tion of rldionucl ide i in the 111lxture MPCi~~
~~the 10 CFR 20, Appendix I, Table 11, Colum'I 2 MPC velue for the rldionucl Ide i (uci/111l)~~
B1sed on the 1bove ~tion Ind the rldionuclide di1tril:lutfon in the efflumnts for the past ye1rs from S1lem, 111 efflctlve MPC v1lue c., be deterafned. Results ire prnented In Tlbl* A*1 and A*2 for Unit 1 and Unit 2, respectively.
Considering the 1verqe efflctive MPC v1lue for the years 1911 through 1919, It Is reaaonlbla to select an MPC, value of 1E*05 uci/11l 11 typical of liquid rldwlste df1charg... Using this value to calculate the default R18 1l1nn setpoint v1lue, results in a setpoint that:
1) Will not require fr~t re*edjuat.nt due to *inor variatiana In the ru:lide distribution which are typic*l of routine pl1nt oper1tfons, and 2> Will provide for 1 liquid rldw8ate disch1rge r1t1 ( 11 ..,.luated for each batch-rel****> th*t ia CC11'4)1tible with pl1nt operations < refer to Tlbles 1*1 Ind 1*2).
~~Change To:~~
~~i: c <1......~~
1 itters only)
J14PC. 8 *******o*ooo**********************
c, <1--> c, (noi't*g.... )
i: ************ + :i: ***********o***
MPC1 MPC1 Where:
MPC*
~~an effective MPC value for a 11ixtur1 of radfonucl ide (uci /*l >~~
C1
~~concentration.of redianuclide i in the 11ixtur1 MPC1~~
~~the 10 CFI 20, ~Ix I, Table II, Columt 2 MPC val .. for redionuclide f (uci/11l)~~
The equation for det1M1fnfng the liquid affluwit S1tpolnta < Section 1.2.1, equation 1.2 > i 1 baaed on a rrultiplfc1tfon of the 1ffectlw MPC t i - th* 1111nltor . . . ltlvlty. lbMvef', the redlation 1111nitors on the effluent l fnee wll l not detect non-~ ..itting radlonucl ldn, such aa H*3, Fe*55, ltld Sr*90. The derivation of th* 1ffectiw Mlle ( section 1.2.1, aqumtlon 1.J > 11 valid for.,,,, distribution but .,.t bl modified to account for the feet that the effluent 1111nltor will not detect th* non*v-. The above modified equation for the effective MPC provldn for a default Sltpoint det1M1inatton that accounts for the non*g......lttlng redlcniclldaa.
Considering the ._.,... effectlw MPC val .. for th* yurs 1918 through 1990, It Is r1uonabl1 to select an MPC, value of 4.711*06 ui;l/*l for Unit 1 ltld 3.38E*06 uci/*l for Unit 2 aa typical *of liquid rldw8ste dischargn. Ualne these values to c.lculat* th* default R18 alaMI Sltpolnt val .. , results In a 1etpoint that:
1) Will not require f~t re*edjuat_,,t due to 11inor variations the nucl Ide distribution which 11r1 typical of routine plant operatlana, ltld 2> Will provide for a liquid radwaat* diacherge rate (II ..,.luated for each batch r1l ..H) that i1 c~tible with pl1nt operatiana < refer to Tabl" 1*1 ltld 1*2).
~~Reason: To account for qamma and non-qamma emitters as required by Technical Specification 3.11.1.1~~
9
Cbanq* fl!F Tables A-1 and A-2 Change from:
Tables of effective MPC values for the years 1984 - 1989 for Unit l and Unit 2 Change to:
Table of effective MPC values for the years 1988 - 1990 Reason: To calculata a effective MPC value that includes the gamma and non-gamma e~itters required by Technical Specifications Chuqa t 11 Tabla E-1 Change From:
STATION CODE STATION LOCATION SAMPLE TYPE 14Fl 5.5 mi. WNW of vent1 local farm VGT,MLK Chanqa To:
STATION CODB STATION LOCATION SAMPLE TYPE 14Fl 5.!5 m.. WNW of vent; local fal'll VGT 14F4 7.6 mi. WNW of vant1 local fal'll MLK Reason:
Farm 14Fl cea*ed milk operation* on Juna 1,1991. Farm 14F4 was added to the Radiological Environmental Monitoring Program.
10
SALEM NUCLEAR GENERATING STATION OFFSITE DOSE CALCUIATION MANUAL Revision 7 1/06/92 Approval SORC Chairun: tV"c?tZ'o-:L~ Date: @~6-- Mtq. # 7 ""'- 007
Salem ODCM Rev. 7 The radioactivity monitor setpoint equation (1.2) remains valid during outages when the circulating water dilution is potentially at its lowest value. Reduction of the waste stream flow (RR) may be necessary during these periods to meet the discharge criteria.
However, in order to maximize the available plant discharge dilution and thereby minimize the potential offsite doses, releases from either Unit-1 or Unit-2 may be routed to either the Unit-l or Unit-2 Circulating Water System discharge. This routing is possible via interconnections between the Service Water Systems (see Figures land 2). Procedural restrictions prevent simultaneous releases from either a single unit or both units into a single Circulating Water System discharge.
1.2.2- Conservative Default Valu*** Conservative alarm setpoints may be determined through the use of default parameters. Tables 1-1 and l-2 summarize all current default values in use for Salem Unit-l and Unit-2, respectively. They are based upon the following:
a) substitution of the effective MPC value with a default value of 4.71E-06 uCi/ml (Unit 1) and 3.38E-.06 uci/ml (Unit 2). (refer to Appendix A for justification);
b) for additional conservatism*, substitution of the I-131 MPC value of 3E-07 uci/ml for the Rl9 Steam Generator Slowdown Monitors, the R-37 Chemical Waste Basin monitor and the R-13 Service Water Monitors.
Based upon the potential for I-131 to b* present in the secondary and service water systems, the use of the default effective MPC value as derived in Appendix A may be non-conservative for the 1, 2 R-19 SGBD monitors, the R-37 Chemical waste Basin Monitor and the R-13 Service Water Monitors.
5
Salem ODCK Rev. 7 c) substitutions of the operational circulatinq water flow with the lowest flow, in qal/min: and, d) substitutions of the effluent release rate with the highest allowed rate, in gal/min.
With pre-established alarm setpoints, it is possible to control the radwaste release rate (RR) to ensure the inequality of equation (1.2) is maintained under changing values for MPCe and*
for differing Circulating Water System dilutions
The Unit 2 seriice Water system utilizes the Unit l Circulating Water syat.. tor dilution prior to release to th* river. It is possible to have the Unit l Circulating Water system out of service when Unit l is in an outage. So, for conservatism no dilution is used for determining a 2Rl3 default alarm setpoint.
Because no dilution is considered and the 2Rl3 monitor sensitivity is high, the ~* of 3.38E-06 uCi/ml is used in calculating the alarm setpoint (otherwise using JE-07 uCi/ml would result in an alarm setpoint of l cpm)
Salem ODCM Rev. 7 2.4 Noble Ga1 lttluent Po** Calculation* - 10 CPR so ONRISTBXCTID AR.II pose Noble G&S!I. Technical Specification 3.11.2.2 requires a periodic assessment of releases of noble gases to evaluate compliance with the quarterly dose limits of ~5 mrad, gamma-air and ~10 mrad, beta-air and the calendar year limits ~10 mrad, gamma-air and ~20 mrad, beta-air.
The limits a.re applicable separately to each unit and are not combined site limits. The following equations shall be used to calculate the gamma-air and beta-air doses:
= (2.7) and
= 3.17E-08
~~X/Q~~
~~I: (Nf~~
~~Q1 ) (2.8) where:~~
= air dose due to gamma emissions for noble gas radionuclides (mrad)
= air dose due to beta emissions for noble gas radionuclides (mrad)
X/Q
~~atmospheric dispersion to the controlling SITE~~
- BOUNDARY location ( sac/m3) cumulative release of noble gas radionuclide i over the period of interest (uCi) where uci * (uci/cc) (cc releaaad) or (uCi/sec) (sec released) I
= air dose factor due to gamma emissions from noble gas radionuclide i (mrad/yr per uCi/m3, from Table 2-1)
N.I = air dos* factor due to beta emissions from noble gas radionuclide i (mrad/yr per uCi/m31 Table 2-1)
~~3. l 7E-08 = conversion factor (yr/sec)~~
24
Salem ODCM Rev. 7 Tlble 1*1 Par-tera for Li~icl Ala,.. Setpofnt D*t*,..fNtiona unit 1 Per111111eter Ac:tu.l DefM.ll t units C~ts Value V1lue MP Ce c:alc:ullted 4.71E*06* UC:i/*l c:alc:ulated for ..ch batch to be releued MPC 1*131 3E*07 N/A UC:f/*l 1*131 MPC conael"V9tfvely used for SG blow clown Incl Service Water 111nitor satpoints Ci measured N/A UC:i/*l taklf'I frm g - spectral aNlysis of li~icl
~~ff lUlnt MPCf~~
~~N/A UCl/*l taken frm 10 CFI 20, ~ht I, Tlble II, SEN 1-1'18 ..~~
clete,..i necl cletena~
2.9E+07 c:~ par uci/*l Col. 2.
R..,._t* effluent CC1*137>
1*R19 2.9E+07 Sta.. Generator ll°""**" (Ca*137>
(A,11,C,D) 1*R13 CA,11) 5.62E+07 Service Water
~~Contmi,_,t Fan Cooling CCa*137>~~
1*R13 CC,D,E) 1.01E+OI cw **
clete,..i necl 1.00£+05 circulating Water Syst*, single cw ~
RR 1*R18 **
clete,..i necl 120 p cletel'lllnecl pt-lor to rele...; release rate cen be edjUlted for Technical Specification CClllPl Iance 1*R19 120 st... Generator bl°"'**" rate par Generator 1*R1l 2500 Service Water flo.i r*t* for Contai,_..t fan cool era SP 1-lt18 c*lcul*tld 1.13E+05C+bk;> CPI Defa1lt *l*rm aatpointa; .,,.. consarv*tive val._ ..., be used n cla-.d apprapri*t* and Hl1.,_ c*lcul*tld 7.251.aJ(+bq) cla9ir*l* for ..urlftl retUl*tory cC111Plianc*
end for *int*lnll'll rel._.. ALMA.
1*R13CA,I).. calcul*tad 6.7!+02C+bkl>
1*R13(C,D,E>.. 1.Zt+G3C..atl>
~~Refer to ~Ix A for mrlvatlon~~
The MPC val~ of 1*131 C3E*07 UCl/*l> hu been used for derivation of the 119 St** Generator blC*clown end 113 service Water manltor satpoint1 as dl1CUIHd In Section 1.2.2 *
41
Salem ODCM Rev. 7 Table 1*2 Par.meters for Liquid Alart11 Setpoint Deter111inationa Unit 2 P11r11111eter Ac:tual Deflult units Cammnta Value Value MPCe c:alc:ulated 3.381!*06* UCl/*l calcul1ted for elCh bitch to be rele11ed MPC 1*131 3E*07 N/A UCl/*l 1*131 MPC conserv1tfvely used for SG blow*
down, Service Water rd Che11ic1l W11te Basin 1110nitor 1etpoints Cf measured N/A UCi/ml tlken frm 11- apectrel 1n1lysis of Liquid effluent MPCi IS N/A UCl/11l tlken fra1110 CFll 20, Appendfx B, Table II, deten1ined Col. 2.
SEN 2*"18 IS 1. 14E+Oa C:s-/UCf/*l R...._te effluent CC.*137>
2*R19(A,C) det*r11ined 1.26E+OS Ste.. Genlr1tor llowdown (Cs*137) 2*R19(8) 1.14E+Oa
.19(0) 1.13E+OS R13 9.05E+07 Servfce W1ter
~~Cont1l,_,t fin cool Ing (Cl-137) cw R37 deten1ined 1.24E+OS 1.00E+05 Ch*ICll WUt* Blain dfsch1rge Clrcul1tfng W.ter Syst*, single cw ~~~
(Note no CW pulp fn servic:e for 2R13 111onf tor RR 2*R18 ..
det*1"91ined 120
' " aectlan 1.2.2>
deten1fnld prior to rel ....: rele111 rete c1n be adjusted for Technic:al Specffle1tion CallPlfera 2*R19 120 St** Genentor blowdawn rite per 11erwr1tor 2*R13 2500 hr'lfce *ter flOM l"llte for Cont1f ..-n: fan cool era R37 1200 Ch*fe1l Wute lain df ach1rge SP 2*R18 2*R19CA,C>-
2*R19(8) ..
2*R19CD)..
2*R13..
c:1lc:ul1ted 3.21E+05(+bq) 3.15E+04<+bkl>
2.85E+04(+bkg) 2.825!+04(+bQ) 3.05E+02<+bkl>
Deflult 1l1r11 11tpofnts: mre conservative YllUM my be uud U deemd li:ipr"OfX"ilte and desirable for ..urlng regul1tory campl lance rd for *fntalntng relelHS AL.ARA.
R37'** 3. 10E+03(+bkg)
~~Refer to Appendix A for deriv1tlon~~
~~The MPC v1lue of 1*131 C3E*07 UCl/11l> his been UHd for clerfv1tion of the R19,R13,and R37 monitor setpoints ** dfsc:uased In S9Ctfon 1.2.2~~
42
Salem ODCM Rev. 7 r.ol* 2-2 P1r-t1f'I for G.11ous Al11'11 Setpoint D*t*l'llinattona untt-1 P*r-ter Actl.Wl* Oefeul t units Vlll.W V1lue X/Q c1lcul1t1d 2.2E*06 sec/m USNRC S1l111 S1fety Ev1luation, S~. 3 VF 1s me1sured 1.25E+05 ft3/111in Pl 1nt Vint
nonM l operet ion CPL1nt or Vent) f1n curves VF 1s ***ured 3.5E+04 ftl/*ln conc.1..-,c purge (Cont. or Purge) f1n curves AF coordiMted 0.25 unitl ..* Adllnlltr1tlw 1l loe11tlon f1etor to with HCGS ensure cOIDinad r1l1u.. do not exclld rel1u1 r1t1 li*it for stt1.
Ci me1sured N/A uCi/cllJ ICI nuclide 1p1eific N/A .,.91yr p1r uCi/113 V*lun frcm Tlbl* 2*1 Li nuclide *P1Cific N/A mrwyr p1r uCf/113 V1lun fra11 Tlbl1 2-1 Mi nuclide 1p1elflc N/A wed/yr p1r uC I /113 V1lun fra11 Tlbl1 2*1
~~SEN 1*R41C-1*R16 1*R12A SP 1*R41c 11 detll'lli Md c1lcul1ted 1.6E+07 3.6E+07 2.1E+06~~
3. 2E+04< +btlU ci:m p1r uCl/cllJ Plwit Vint Plwit Vint (rlCU!dlnU Cont1f ..-,t D1feult 1l1rm **tpolnt: mare conaarv1tiv1 v1lun my bl ua9d 11 de-.d 1i:ipropri1t1 Md deslrlbl* for ..urtng rqul1tory c~ltmnce _..for .. 1nt1lntng r*l***..
1*R16 c1lcul1ted 7.2E+04<+titt> ALMA.
1*R12A- c1lcul1ted 1.51+04<+btt>
~~l*Hd on * .,. for c.l lbr1tlan with *txcure of redforu:lldes~~
Appliclbl1 cU'lng MDDll 1 ttlr"'OUlll 5. During 111)1 6 (refUlltng), manltor ntpolnt shlill bl rlCM:ed to 2X bec:kgr~ in ICCOrdlnce with Tech Spec Tlbl* 3.3*6 *
41
Salem ODCM Rev. 7 Table 2*3 Parameters for Gaseous Alarm Setpoint Detenainati(lnS Unit*2 ActUlll Default Units Conments Parameter Value Value
a*****************************************
~~calculated 2.2E*06 sec/m3 Licensing technical specification value X/Q as measured 1.25E+OS ft3/min Plant Vent~~
normal operation VF (Plant or Vent) fan curves as measured 3.SE+04 ft3/min Containnent purge VF (Cont. or Purge> fan curves 0.25 111i tless Acbinistrative allocation factor to with AF coordinated HCGS ensure conmined releases do not exceed release rnte limit for site.
Ci measured N/A UCi/cm3 IC I nuclide specific N/A mrem/yr per UCl/1113 Values frOll Table 2-1 Li nuclide specific N/A mrem/yr per UCl/m3 Values from Table 2*1 N/A mrlld/yr per UCl/m3 Values frOll Table 2*1 Mi nuclide specific SEN 2*R41C* as 1.6E+07 C?ll per UCi/cm3 Plant Vent detal'lli nect 2*R16 3.SE+07 Plant Vent <redl.rdant>
2*R12A 3.3E+07 Containnent calculatad 3.2E+04(+bltg) Defeult alal'll 1etpoint1; 1110re conservative SP 2*R41C values *Y be used as deellled appropriate and calculated 7.0E+04(+bkg) desirable for ensuring regulatory c~liance 2*R16 arw:i for *intaining releases ALARA.
2*R12A.. calculatad 2.4E+05(+bkg)
~~Bl!l!ed on man for c:alfbratfon .,fth *fxture of radioru:lfdel~~
~~Applicable during MODES 1 thraugh 5. During DE 6 (refueling), monitor setpoints shall be reduced to 2X backgr<Knl in ac:cot muca Jffth Tech Spec Tabla 3.3*6.~~
50
Salem ODCM Rev. 7 Teble 2*4 Controlling LOClltiarw, Pethi.eys rd At~tc DISJ19rsion for Doe* CelC1Jlatiarw
~~Atmspheric DISJ19rsion Technic*l Peth ...y(I) Controlling X/Q D/Q Specif i c*t ion Locetion Age Gr~ (sec/"'1) ( 1/m2)~~
----*------- *********D*** a**************
3.11.2.1* lit* boundary noble pa.. N//A 2.2E-06 N//A C0.83 *i le, II) direct exposure 3.11.2.1b s i ,. boundary imalatlon child 2.2£-06 II/A co.83 *i le, II) 3.11.2.2 1tte boundary 1-*alr II/A 2.2£-06 II/A (0.83 *i le, II) beta*air 3.11.2.3 rnidenee/datry *ilk, grCU1d *infant 5.4E*OS 2. 1E*10 (4.9 *il .. , W) plane and imalation
~~The identified controll f~ lacatt-, pathwys and a~rtc dtapenlon are fl'Cll the safety Evaluation Report, S-l~ lo. 3 for the .. l~~
Muel*r Gerwratl~ Station, unit 2 (-EG-0517, Dec-.r 197!) *
51
Salem ODCM Rev. 7 E c 1 (qamaa emitter* only)
XPC
~~= --------------~--------------~~
c (qamaa) c, (non-qamma)
(A. l) 1 E -----------
XPC + ~ ---------------
XPC 1 1 where:
MPC* ~ an effective MPC value for a mixture of radionuclide (uCi/ml) c,
~~concentration of radionuclide i in the mixture MPC 1 - the 10 CFR 20, Appendix B, Table II, Column 2 MPC value for radionuclide i (uCi/ml)~~
The equation for determininq the liquid effluent setpoints ( Section 1.2.l, equation 1.2 ) is based on a multiplication of the effective MPC times the monitor sensitivity. However, the radiation monitors on the effluent lines will not detect non-qamma emittinq radionuclides, such as H-3, Fe-55, and Sr-90. The derivation *of the effective MPC ( Section 1.2.l, equation 1.3*) is valid for any distribution but must be modified to account for the fact that the effluent monitor will not detect the non-gammas. Th* above modified equation for the effective MPC provides for a default satpoint determination that accounts *for the non-gamma emitting radionuclide* *
~~A-3~~
~~Salem ODCM Rev. 7 Table A*1 Calculation of Effective MPC Salem unit 1 Activity Released CCi)~~
-********a*******************************************
~~Nuclide MPC~~
1988 1989 1990 TOTAL CuCi/ml> CURIES CURIES CURIES CURIES Na*24 3E*05 1.38E*02 4.69E*04 1.69E*03 1.60E*02 Cr*51 2E*03 2.38E*02 5.25E*03 1.16E*02 4.06E*02 Mn*54 1E*04 1.01E*01 1.12E*01 1.52E*01 3.65E*01 Fe*59 5E*05 2.66E*04 1.32E*03 1.15E*03 2.73E*03 Co*57 4E*04 4.01E*03 6.11E*03 7.54E*03 1.m-02 Co*58 9E*05 1.27E+OO 1.82E+OO 1.98E+OO 5.07E+OO Co*60 3E*05 2.m-01 1.78E*01 2.39E*01 6.94E*01 Zr*95 6E*05 1.23E*02 1.53E*03 4.52E*03 1.84E*02 Nb*95 1E*04 1.53E*02 3.85E*03 9. 76E*03 2.89E*02 Nb*97 9E*04 2.44E*02 7.94E*05 6.30E*03 3.0SE*02 Tc*99m 3E*03 4.74E*03 4.62E*04 8.53E*04 6.05E*03 .
Sr*89 3E*06 1.25E*02 1.54E*03 2.38E*03 1.64E*02 Sr*90 3E*07 2.40E*03 6.68E*04 4.66E*04 3.53E*03 Mo*99 4E*05 1.57E*03 N/D N/D 1.57E*03 Ag* 110m 3E*05 4.96E*D3 2.70E*03 8.40E*04 8.50E*03 Sn-113 SE*05 N/D N/D N/D N/D Sb*124 2E*05 6.32E*02 1.36E*02 1.94E*02 9.62E*02 Sb*125 1E*04 9.35E*02 6.53E*02 6.09E*02 2.20E*01 I* 131 3E*07 S.54E*02 3.04E*02 3.53E*02 1.21E*01 I-133 1E*06 2.80E*02 6.88E*03 8.36E*03 4.32E*02 I *134 2E*5 1. 10E*02 N/D N/D 1.10E*02 I *135 4E*06 1.68E*02 1.94E*04 1.42E*04 1. 71E*02 Ce*144 1E*05 1.89E*02 1.19E*04 1.69E*04 1.92E*02 Cs*134 9E*06 1.31E*01 1.16E*01 1.91E*01 4.38E*01 Cs*136 6E*05 9.31E*05 9.79E*04 1.21E*03 2.28E*03 Cs*137 2E*05 1.34E*01 1.28E*01 2.02E*01 4.64E*01 Ba*140 2E*05 2.79E*04 N/D 1.10E*04 3.89E*04 La*140 2E*05 3.89E*04 2.66E*04 5.35E*04 1.19E*03 H*3 3E*03 6.34E+02 6.08E+02 3.53E+02 1.59E+03 Fe* SS 8E*04 5.40E*01 1. 75E*01 1.61E*01 8.76E*01 W*187 6E*05 1.25E*02 N/D N/D 1.25E*02 Zn*65 1E*04 5.49E*04 *3.62!*04 7.75E*03 8.66E-03 Zr*97 2E*OS 1.37E*02 N/D N/D 1.37E*02 Totel Ci G- 2.33£+00 2.49E+OO 2.94E+OO 7.77E+OO Total Cf Non*g- 6.35E+02 6.0SE+OZ 3.53E+02 1.60E+03 MPCe (uCi/ml) 4.71E*06 6.88E*06 9.45E*06
~~MPC value for ~trfcted er.. fre11 10 CFR 20, Appendix B, Table II, ColUll'I 2.~~
~~N/D~~
~~not detected~~
~~A-5~~
~~Salem ODCM Rev. 7~~
~~Table A*2 Calculation of Effective MPC Salem Unit 2 Activity Released (Ci)~~
MPC*
1988 1989 1990 TOTAL Nuclide CUCi/ml) CURIES CURIES CURIES CURIES Na*24 3E-05 1.04E-02 8.0SE-04 2.28E-03 1.35E-02 Cr-51 2E-03 3. 17E-03 1.57E-02 1.48E-02 3.37E-02 Mn-54 1E-04 1. 74E-01 1. 19E-01 1.52E-01 4.45E-01 Fe-59 SE-05 2.93E*05 3.00E-03 1.09E-03 4. 12E-03 Co-57 4E-04 4.55E*03 6.70E*03 7.92E-03 1.92E*02 Co-58 9E-05 1.32E+OO 2.02E+OO 2.01E+OO 5.35E+OO Co-60 3E-05 2.97E-01 2.0SE-01 2.36E-01 7.41E-01 Zr-95 6E-05 3.15E*03 3.39E-03 5.22E-03 1.18E-02 Nb-95 1E*04 6.SSE-03 7.41E*03 1.03E*02 2.42E*02 Nb-97 9E-04 6.92E*03 2.54E*04 5.32E*04 7.71E-03 Tc-9911 3E*03 3.28E-03 6.64E*04 8.66C-04 4.81E-03 Sr-89 3E*06 . 1.69£-02 1.52E-03 2.28E-03 2.07E-02 Sr-90 3E-07 4.11E-03 6.45E*04 4.73E-04 5.23E-03 Mo-99 4E-05 1.19E-04 N/D. N/D 1.19E-04 Ag-11(1111 3E-05 1.04E-02 6.41E-03 2.56E-03 1.94E*02 Sn-113 SE-05 N/D N/D N/D N/D Sb-124 2c-os 5.47E-02 1.89E-02 2.22e-02 9.58E-02 Sb-125 1E*04 9.22E*02 8.0SE-02 7.40E-02 2.47E-01 1-131 3E*07 1.35E*01 3.79E-02 3.83E*02 2.11E-01 1-133 1E-06 8.83E*02 8.64E-03 1.07E-02 1.0SE-01 1-134 2E-05 3.49£-02 N/D N/D 3.49E-02 1-135 4E-06 1.90E*02 5.17E-04 7.09£-04 2.02E*02 Ce-144 1E-05 2.24E-03 6.05E-04 7.67E-05 2.92E-03 Cs-134 9E-06 9.53E-02 1.43E*01 1.86E-01 . 4.24E*01 cs-136 6E-05 2.20E-03 1.39E-03 1.31E-03 4.90E-03 Cs-137 2E-05 1.09£-01 1.55E*01 1.95E*01 4.59E-01 Ba-140 2E*05 1.57E-03 N/D N/D 1.57E-03 La~140 2E-05 1.03E*03 5.19E*04 6.23E*04 2.17E*03 H*3 3E*03 3.68E+02 5.02E+02 3.03E+02 1.17E+03 Fe* SS SE-04 4.69E*01 1.84E*01 2.09E*01 8.62E*01 W*187 6E*05 6.37E*04 N/D N/D 6.37E*04 Zn*65 1E*04 N/D 1.41E*04 1.06E*02 1.07E*02 Toul Ci G- 2.48E+OO 2.84E+OO 2.98E+OO 8.30E+OO
~~Total Cl Non*11- 3.68E+02 5.02£+02 3.03E+02 1.17E+03 MPCe (UCi /Ill) 3.381-06 7.85E*06 9.71E*06~~
~~MPC v*lue for WW"eStrtcted *rn frm 10 CFR 20, Appendix a, Tele II, Coluiri 2.~~
~~N/D~~
~~not detected~~
~~A-6~~
Salem ODCM Rev. 7 TABLB B-1 (Cont*d)
STATION
~ STATION LOCATION SAHPI.E TYPES 2F6 7.3 mi. NNE of vent; Southern 'i'raininq IOM Center 2F7 5.7 mi. NNE of vent; local farm MLK, VGT 3F2 5.1 mi. NE of vent; Hancocks Bridge IOM Municipal Building 3F3 8.6 mi. NE of vent; Quinton Township IOM School 5Fl 6.5 mi. E of vent F'PV,IOM 5F2 7.0 mi. E Of vent; local farm VGT 6Fl 6.4 mi. ESE of vent; Stow Neck Road IOM 7F2 9.1 mi. SE of vent; Bayside, NJ IOM 10F2 5.8 mi. SSW of vent IOM llFl 6.2 mi. SW of vent; Taylor's Bridge IOM Delaware 11F3 5.3 mi. SW of vent; Townsend, OE MLK~ VGT 12Fl 9.4 mi. WSW of vent; Townsend Elem. IOM School 13F2 6.5 mi. W of vent; Od***a, DE IDM 13F3 9.3 mi. W of vent; Redding Middl* IDM School, Middletown, DE 13F4 9.8 :mi. W Of vent; Middletown, DE IDM 14Fl 5.5 mi. *WNW of vent; local farm VGT 14F2 6.6 ai. WNW Of vent; Boyd* Comar IDM 14F3 5.4 :mi. WNW of vent; local farm F'PV 14F4 7.6 mi. WNW of vent; local farm MLK 15F3 5.4 mi. NW of vent IDM
~~B-5~~

ML18096A927

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