Text

Semiannual Radioactive Effluent Release Rept for Jul-Dec 1991. W/920302 Ltr
	ML18026A244
Person / Time
Site:	Susquehanna
Issue date:	12/31/1991
From:	Keiser H; PENNSYLVANIA POWER & LIGHT CO.
To:	Martin T; NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
	PLA-3739, NUDOCS 9203060103
	Download: ML18026A244 (134)
	v • d • e

ACCELERATED DISTRIBUTION DEMONSTFWTION SYSTEM REGULA, .Y INFORMATION 'DISTRIBUTI YSTEM (RIDS) il DOCKET FACIL:50-387 Susquehanna Steam Electric Station, Unit 1, Pennsylva 05000387 50-388 Susquehanna Steam Electric Station, Unit 2, Pennsylva 05000388 AUTH. NAME AUTHOR AFFILIATION KEISER,H.W. Pennsylvania Power 6 Light Co RECIP.NAME RECIPIENT AFFILIATION MARTIN,T.T. Region 1 (Post 820201)

SUBJECT:

"Semiannual Radioactive Effluent Release Rept for Jul-Dec 1991." W ltr.

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/ ENCL Effluent Release Reports j SIKE: D S

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Pennsylvania Power 8 Light Company Two North Ninth Street i Allentown, PA 18101-1179 ~ 215/774-5151 Harold W. Keiser Senior Vice President-Nuclear 215/7744194 NARD Zfg92 Mr. Thomas T. Martin Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 SUSQUEIIANNA STEAM ELECTRIC STATION SEMI-ANNUALRADIOACTIVEEFFLUENT RELEASE REPORT Docket No. 50-387 PLA- 7 FILE R41-2A and 50-388

Dear Mr. Martin:

In accordance with 10CFR50.36a(a)(2) and the Susquehanna SES Unit 1 and 2'Technical Specifications, attached is the Semi-Annual Radioactive Effluent Release Report for SSES Units 1 and 2 covering the period July 1 through December 31, 1991.

Very truly yours, H. W. Keiser Attachment CC: NRC Document Control Deskj(original)

NRC Region I Mr. G. S. Barber - NRC Resident Inspector Mr. J. J. Raleigh - NRR Project Manager Q~>00 t, j 9203060103 911231 PDR ADOCK 05000387 PDR R

SEMlANNUALEFFLUENT &

WASTE DlSPOSAL REPORT FOR JULY - DECEMBER 1991 Pennsylvania Power & Light Company Two North Ninth Street 92O306P 1 03 Allentown, Pennsylvania 18101-1179 February 1992

SUSQUEHANNA STEAM ELECTRIC STATION SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT REPORT PERIOD: 07/01/91 - 12/31/91 Prepared by:

. Carson R. K. Bare ay Health Physicist Health Physicist Reviewed by:

IC.

. E. S an Supervisor Environmental Services Nuclear Appr ved by:

R. . Ooty Supervisor Operatio s Technology Pennsylvania Power 5 Light Company Two North Ninth Street Allentown, Pennsylvania 18101

TABLE OF CONTENTS SECTION PAGE

1. Introduction and Supplemental Information .

~ ~ ~ 1

2. Effluent and Waste Disposal Data 13

3. Meteorological Data and Dispersion Estimates 36 I

4. Dose Measurements and Assessments . 68

5. Changes to the Offsite Dose Calculation Manual 77 and the Solid Waste Process Control Program

6. Reports of Exception to the SSES Effluent . . . . . . 89 Monitoring Program

~ l LIST OF TABLES PAGE Table 1: Technical Specification Limits . . . . . . . . . . . . 10 Table 2: Airborne Effluents-Summation of All Releases . . . . . 15 Table 3: Airborne Effluents . . . . . . . . . . . . . . . . ~ . 16 Table 4: Waterborne Effluents- Summation of All Releases. . . . 18 Table 5: Waterborne Effluents . . . . . . . . . . 19 Table 6: Semiannual Effluent and Waste Disposal Report. 24 Solid Waste and Irradiated Fuel Shipments Table 7: Solid Radioactive Waste - Class A. 25 Principal Radionuclides and Percent Composition Condensate Demineralizer/Radwaste Demineralizer-Carbon Steel Liner (Dewatered)

Table 8: Solid Radioactive Waste Class A. . . . . . . . . 26 Principal Radionuclides and Percent Composition Condensate Demineralizer/Radwaste Demineralizer-HIC (Dewatered)

Table 9: Solid Radioactive Waste Class A. . . . . . . . . . . 27 Principal Radionuclides and Percent Composition Ultrasonic Resin Cleaning Waste - HIC (Dewatered)

Table 10: Solid Radioactive Waste - Class A. . . . . . . . . . . 28 Principal Radionuclides and Percent Composition Liquid Radwaste Filter Media - HIC (Dewatered)

Table ll: Solid Radioactive Waste Class A. . . . . . . . . . . 29 Principal Radionuclides and Percent Composition Compacted DAW Strong Tight Container Table 12: Solid Radioactive Waste - Class A. . . . . . . . . . . 30 Principal Radionuclides and Percent Composition Non-Compactable DAW Strong Tight Container Table 13: Solid Radioactive Waste Class B. . . . . . . . . . . 31 Principal Radionuclides and Percent Composition RWCU Filter Media HIC (Dewatered)

Table 14: Solid Radioactive Waste Class B. . . . . . . . . . . 32 Principal Radionuclides and Percent Composition Cartridge Filters - HIC

0 0

LIST OF TABLES (cont.)

PAGE Table 15: Solid Radioactive Waste - Class C. . . . . . . . . . . 33 Principal Radionuclides and Percent Composition Irradiated Reactor Components Type B (Dewatered)

Table 16: Estimated Total Errors Associated with . . . . . . . . 34 Effluent Heasurements Table 17: Data Not Reported in Previous. . . . . . . . . . . . . 35 Semiannual Report Table 18: Heteorological Data Availability . . . . . . . . . . . 38 Table 19: Joint Wind Frequency Distribution by . . . . . . . . . 42 Stability Class Table 20: Average Annual Relative Concentrations . . . . . . . . 60 Table 21: Summary of Haximum Individual Offsite. . . . . . . . . 70 Doses and Dose Commitments to Hembers of the Public Table 22: Calculated Collective Doses to Hembers . . . . . . . . 73 of the Public Within the Riverlands/Information Center Complex Table 23: Calculated Doses for Residences. . . . . . . . . . . . 74 Within the SSES Site Boundary (NNE and ESE sectors)

Table 24: Calculated Doses for the Residences. . . . . . . . . . 75 Within the SSES Site Boundary (SE and WSW sectors)

Table 25: Calculated Doses for Residences. . . . . . . . . . . . 76 Within the SSES Site Boundary (WNW and NNW sectors) 111

LIST OF FIGURES PAGE Figure 1: SSES Airborne Effluent Release Points . . . 5 Figure 2: SSES Waterborne Effluent Release Pathway. 6 Figure 3: Susquehanna River Monthly Average Flow Rates. 20 Figure 4: Monthly Liquid Radwaste Discharge Totals. . 21 Figure 5: SSES Wind Rose: 10-meter Sensors. . . . . . 39 Figure 6: SSES Wind Rose: 60-meter Sensors. . . . 40 Figure 7: SSES Pasquill Stability Class Prevalences . . 41 Figure 8: Areas Within the SSES Site Boundary Open. 72 to Members of the Public

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SECTION 1 INTRODUCTION AND SUPPLEMENTAL INFORMATION

r.

f

INTRODUCTION The Susquehanna Steam Electric Station (SSES) is located in Salem Township, Luzerne County, Pennsylvania. It is on the west bank of the Susquehanna River, 8 km northeast of Berwick. The Station consists of two boiling water reactor generating units, each with 1,050 HW net electrical capacity. The reactor and generating units were supplied by General Electric, while the Bechtel Corporation served as architect-engineer and constructor.

Construction of the Station began in the early 1970s. Fuel load began in Unit 1 in July of 1982. Initial criticality was achieved in the Unit 1 reactor on September 10, 1982. The reactor reached 100X power for the first time on February 4, 1983. Commercial operation of Unit 1 was declared on June 8, 1983. Initial criticality of Unit 2 occurred on Hay 8, 1984. Unit 2 was declared commercial on February 12, 1985.

Airborne effluents are released from the Susquehanna Station via five rooftop vents on the reactor building (see Figure 1). Each vent is continuously monitored, and a program of periodic sampling and analysis is conducted as specified in the plant Technical Specifications. All waterborne effluents are released in batch mode and are sampled and analyzed prior to release. Waterborne effluents from the site are released into the cooling tower blowdown line for dilution prior to release to the Susquehanna River (see Figure 2).

Blowdown line flow rates are at least 5,000 gpm during periods of liquid radwaste release. The diluted effluent is introduced to the river by way of a perforated diffuser pipe placed on the river bed.

The diffuser serves to rapidly and uniformly mix the station discharge with the main flow of the river.

This report presents a summary of the quantities of radioactive materials which were released from the Susquehanna Steam Electric Station during the period from July 1, 1991 to December 31, 1991.

In addition, this report serves as a medium for notifying the US Nuclear Regulatory Commission staff of changes to PP&L's Offsite Dose Calculation Manual (ODCH) and Solid Waste Process Control Program (PCP) and documentation of any exceptions to the SSES effluent monitoring program which must be reported per Technical Specifications 3.3.7. 10 and 3.3.7. 11.

Airborne and waterborne radioactive effluent releases to the environment during the report period were sampled and analyzed in accordance with the requirements of the Technical Specifications.

All radioactive effluent releases were within the concentration and release limits specified in the Radiological Effluent Technical Specifications (RETS). Calculations and terms utilized in this report are those outlined in the SSES Offsite Dose Calculation Manual (ODCM).

Section 1 contains supplemental information pertaining to effluents from the Susquehanna plant. Included are regulatory limits (Table 1), sampling and analysis methods, and characterization of the number and duration of batch and abnormal releases, if any.

Section 2 contains effluent and waste disposal data for the report period. Table 2 contains a summation of all airborne releases, grouped into the radionuclide categories of gases, particulates, iodines, and tritium. Average release rates are presented and compared to the applicable limits. Table 3 presents the totals of specific radionuclides in airborne effluents.

Waterborne effluents are summarized in Table 4. Average diluted concentrations are presented and compared to the applicable limits.

Table 5 presents the release quantities of specific radionuclides in waterborne effluents over the report period. Figure 3 lists the Susquehanna River monthly flow rates for 1991 while Figure 4 presents the monthly discharge totals of liquid radwaste from SSES during 1991:.

Tables 6 through 15 present a characterization of the solid radioactive waste shipped off site during the report period.

Included are the volumes and curie contents associated with each type of solid waste. An estimate of major nuclide composition is presented for each waste type, as well as the number of waste shipments from the site, how they were transported, and their final destination.

Table 16 contains estimates of the errors associated with the measurements involved in quantifying effluents. Sampling errors, counting errors, and errors associated with determining effluent flow rates and volumes all contribute to the total error of effluent measurements. Error estimates are presented for each category of radionuclide detected in airborne and waterborne effluents and solid wastes during the report period.

Table 17 presents effluent data from previous report periods which was not available at preparation time for the associated semiannual report.

Section 3 of this report contains the meteorological data associated with the year 1991. Availability data for the SSES meteorological data are shown in Table 18. Meteorological data for the calendar year is presented in the form of joint wind frequency distributions by atmospheric stability class. These distributions are presented in Table 19. Figures 5 and 6 are wind rose plots for the SSES primary meteorological 10-meter and 60-meter sensors, respectively.

Figure 7 presents the relative prevalences of the Pasquill stability classes. In addition, the meteorological data from the report year were used to generate annual average relative concentrations (X/gs) and deposition rates (D/gs). These values are presented in Table 20, and are required input for use of the GASPAR code for calculation of the doses resulting from airborne releases.

Section 4 of this report contains an assessment of the calculated doses attributed to the reported radiological effluents for the calendar year. The LADTAP II code was used for calculation of doses from waterborne effluents. The GASPAR code was used for calculation of doses from airborne effluents. The calculated doses and direct radiation estimates can be used to estimate the doses to maximally exposed members of the public. Table 21 summarizes maximum calculated doses and dose commitments to members of the public from waterborne and 'airborne effluents and direct radiation. Tables 22 through 25 summarize the calculated doses for residences and other occupied areas within the SSES site boundary.

Section 5 of this report is reserved for documentation of changes to the Offsite Dose Calculation Manual and the Solid Waste Process Control Program.

Section 6 presents a listing of cases (if any) in which airborne or waterborne effluent monitoring instrumentation was declared inoperable and was not restored to operability within the time period specified in'Technical Specification Table 3.3.7. 10-1 or 3.3.7. 11-1 Action Statements.

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FIGURE 2 SSES WATERBORNE EFFLUENT RELEASE PATHWAY SUSQuEmNm RvE,R ~ DIPFUSEA

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SUPPLENENTAL INFORNATION

1. Re ulator Limits Technical Specifications 3/4. 11. 1 and 3/4. 11.2 outline requirements for release of radioactive liquid and gaseous effluents, respectively. Concentration of radioactive material liquid effluents and dose or dose commitment resultant thereof are limited in unrestricted areas. Dose and dose rate due to radioactive materials released in gaseous effluents are limited in areas at or beyond the site boundary. Technical Specification limits are listed in Table 1.

2. Maximum Permissible Concentrations in Waterborne Effluents The concentrations of radioactive materials in waterborne effluents are 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 concentrations are limited to the following values, as stated in the applicable Technical Specification:

Nuclide MPC uCi ml

"'Kr 2.0E-04

'Kr 5.0E-04 Kr 4.0E-05 MKr 9.0E-05

'Ar 7.0E-05 133mX 5.0E-04 133X 6.0E-04 135mX 2.0E-04

3. A~ 135X Based on gaseous average beta energy 2.0E-04 effluent releases for the report period is 0.243 MeV and average gamma energy is 0.425 MeV.

4. Me su e ts and A roximations of Total Radioactivit Analyses of specific radionuclides in effluent samples are used to evaluate the radioactive composition and concentration of effluents.

0

5. Methods of uantif in Effluents Fission and Activation Gases: Gas samples are routinely collected monthly and analyzed with a Ge(Li) detector system which incorporates a data reduction program to determine radionuclide composition in terms of specific activity. Data tapes from the continuous vent monitors are used to determine the average concentration of noble gases. The Ge(Li) isotopic scan is used to convert the continuous vent monitor activity to actual activity based on the determined nuclide mixture. The vent and sample flow rates are continuously monitored, and the average flow rates for each vent are used to calculate the total activity released in a given time period. When the continuous monitors are out of service, manual grab samples are taken from each vent once each eight hours (once each four hours for the standby gas treatment vent).

b. Iodines: Iodine is continuously collected via an isokinetic sampling assembly in each vent. Filters are normally exchanged once per week and analyzed on a Ge(Li) system. The daily average flow rates for the vents and sample pumps are averaged for the duration of the sampling period, and a ratio of vent flow rate to sample flow rate is determined. The ratio is used to determine the total activity of each isotope released during the time period in question. When the continuous monitors are out of service, iodine is continuously collected on charcoal cartridges attached to air samplers which draw directly from the affected rooftop vent(s) or from alternate sampling ports available on the sample lines.

C. Particulates: Particulates are continuously collected via an isokinetic sampling assembly in each vent. Filters are normally exchanged once per week and analyzed on a Ge(Li) system. Flow rate corrections are performed as for iodines. When the continuous vent monitors are out of service, particulates are continuously sampled directly from the affected rooftop vent(s) or from alternate sampling ports available on the sample lines.

d, Waterborne Effluents: Each tank of liquid radwaste is sampled and analyzed for principal gamma emitters prior to release. Each sample tank is recirculated for a sufficient amount of time prior to sampling to ensure that a representative sample is obtained. Samples are analyzed on a Ge(Li) system and release permits are generated based on the values obtained from the isotopic analysis and the most recent values for tritium, gross alpha, iron-55, and strontium-89 and -90. An aliquot based on release volume is saved and added to monthly and quarterly composite containers. The monthly tritium analysis is done in-house. The quarterly composite is sent to a vendor

laboratory for iron-55, strontium-89 and -90, and gross alpha analyses.

The concentration of each radionuclide in each batch is decay corrected from the time of counting to the midpoint of the release period, and is then multiplied by the volume of the batch to determine the total quantity of each nuclide released in each batch. The isotopic totals for each are summed to determine the total source term for the report period.

TABLE 1

1. TECHN CAL SPECIFICATION LIMITS A. NOBLE GASES:

1. g 500 mrem - TOTAL BODY

< 3000 mrem - SKIN annual site total "instantaneous" limits (Tech Spec. 3. 11.2. 1)

2. g 5 mrad - AIR GAMMA g 10 mrad AIR BETA

- quarterly air dose limits per reactor unit (Tech Spec. 3.11.2.2)

3. 6 10 mrad - AIR GAMMA g 20 mrad - AIR BETA

- annual air dose limits per reactor unit (Tech Spec. 3.11.2.2)

B. AIRBORNE I-131 TRITIUM PARTICULATES WITH HALF-LIVES > 8 DAYS:

l. g 1500 mrem - ORGAN (inhalation pathways only)

- annual site total "instantaneous" limits (Tech Spec. 3. 11.2.1)

2. M 7.5 mrem - ORGAN

- quarterly dose limits per reactor unit (Tech Spec. 3. 11.2.3)

3. 5 15 mrem ORGAN annual dose limits per reactor unit (Tech Spec. 3. 11.2.3)

C. ~LI UIO I'FFLUENT

1. Concentration g 10CFR20 Appendix B, Table II, Column 2

- site total "instantaneous" limits (Tech Spec. 3.11.1.1) 10

L,

2. < 1.5 mrem TOTAL BODY

~ 5 mrem ORGAN

- quarterly dose limits per reactor unit (Tech Spec. 3.11.1.2)

3. g 3 mrem TOTAL BODY M 10 mrem - ORGAN annual dose limits per reactor unit (Tech. Spec. 3.11.1.2)

AIRBORNE EFFLUENT: BAS S FOR PERCENT OF APPLICABLE TECHNICAL SPECIFICATION LIMIT Fission and Activation Gases A derived release rate limit based on the Technical Specification limit of 500 mrem/yr was calculated from the expected mix of noble gas radionuclides presented in Table 4.4 of the SSES Final Environmental Statement (NUREG-0564). The limit is 8.51E+05 uCi/min (1.42E+04 uCi/sec).

Iodine-131 A derived release rate limit based on the Technical Specification limit of 1500 mrem/yr from I-131, tritium and particulates with half-lives greater than 8 days was calculated from the annual release quantity of I-131 provided in Table 4.4 of the SSES Final Environmental Statement (NUREG-0564). The limit is 1.41E+02 uCi/min (2.35E+00 uCi/sec).

Particulates A derived release rate limit based on the Technical Specification limit of 1500 mrem/yr from I-131, tritium and particulates with half-lives greater than 8 days was calculated based on the expected mix of particulate radionuclides presented in Table 4.4 of the SSES Final Environmental Statement (NUREG-0564). The limit is 7.72E+02 uCi/min (1.29E+01 uCi/sec).

Tritium A derived release rate was calculated based on the 10 CFR 20 Appendix B, Table II, Column 1, Haximum Permissible Concentration for tritium (2.0E-07 uCi/cc) to unrestricted areas. A relative concentration of 4. 1E-05 sec/m was assumed. The limit is 2.93E>05 uCi/min (4.88E+03 uCi/sec).

11

F. WATERBORNE EFFLUENT: BASES FOR PERCENT OF APPLICABLE TECHNICAL SPECIFICATION LIMIT Fission and Activation Products Dose calculations are performed on quarterly activity totals from waterborne effluents using the LADTAP II dose program. The calculated doses are then compared to Technical Specification 3. 11. 1.2 quarterly dose limits for liquid effluents (TOTAL BODY LIMIT: 1.5 mrem per reactor unit, ORGAN LIMIT: 5 mrem per reactor unit).

Tritium Liquid effluent quarterly tritium concentrations are compared to the 10 CFR 20 Appendix B, Table II, Column 2, Maximum Permissible Concentration limit of 3.0E-03 uCi/ml to unrestricted areas'.

Dissolved and Entrained Gases Liquid effluent quarterly concentration totals for dissolved and entrained gases are compared to the most restrictive Maximum Permissible Concentration for a noble gas 4.0E-05 uCi/ml (Kr-87) from the SSES Technical Specification Table 3. 11. 1. 1-1.

12

SECTION 2 EFFLUENT AND WASTE DISPOSAL DATA 13

irborne Effluents Summaries of the radionuclide total curie activities, average release rates are included in Tables 2 and 3.

Third Fourth guarter guarter

l. Number of Batch Releases: 0 0

2. Total Time Period for Batch Release: NA NA

3. Maximum Time Period for a Batch Release: NA NA

4. Average Time Period for a Batch Release: NA NA

5. Minimum Time Period for a Batch Release: NA NA Abnormal Releases

1. Number of Releases 0 0

2. Total Activity Released NA NA If a radionuclide was not detected, zero activity was used for that isotope in dose calculations. A zero activity indicates that no activity was positively detected in any sample when samples were analyzed with techniques which achieved the required Lower Limits of Detection (LLD) as specified in the SSES Technical Specification Table 4. 11.2. 1.2-1, Radioactive Gaseous Waste Sampling and Analysis Program. In all cases, these LLDs were less than the levels required by Technical Specifications. The following are typical LLDs.

Radionuclide LLD uCi cc Kr-87 4.6 E-08 Kr-88 5.3 E-08 Xe-133 5.4 E-08 Xe-133m 1.3 E-07 Xe-135 1.5 E-08 Xe-138 1.2 E-07 Mn-54 2.9 E-14 Fe-59 2.8 E-14 Co-58 1.8 E-14 Co-60 3.8 E-14 Zn-65 4.4 E-14 Mo-99 3.3 E-13 Cs-134 2.4 E-14 Cs-137 2.1 E-14 Ce-141 1.5 E-14 Ce-144 7.0 E-14 I-131 4.4 E-14 I-133 2.8 E-13 Sr-89 2.0 E-15 Sr-90 3.0 E-16 H-3 2.6 E-08 Gross Alpha 5.0 E-16 14

II

'w5 0

TABLE 2 SEMIANNUAL EFFLUENT AND MASTE DISPOSAL REPORT (1991)

AIRBORNE EFFLUENTS SUHNATION OF ALL RELEASES Third Fourth A. Fission and Activation Gases Unit Quarter Quarter Total Release Ci 2.18E+01 3.05E+01 Avera e Release Rate for Period uCi/sec 2.75E+00 3.84E+00 Percent of Technical S cification Limit 1.94E-02 2.71E-02

8. iodines Total l-131 Ci O.OOE+00 2.87E-06 AveraGe Release Rate for Period uCi/sec O.OOE+00 3.61E.07 Percent of Technical S cification Limit O.OOE+00 1.54E-05 C. Particulates Particulates uith Half-Lives>> 8 Oa s Ci 1.15E-05 1.52E-OSi Avera e Release Rate for Period uCi/sec 1.45E-06 1.91E-06 Percent of Technical S cification Limit 1 '2E-05 1.48E-05 Gross Alpha Radioactivity Ci 2.67E-07 2.72E-07

0. Tritiun Total Release Ci 6.90E+00 1.71E+01 Avera e Release Rate for Period uCi sec 8.68E-01 2. 15E+00 Percent of Technical S cification Limit 1.78E-02 4.41E-02 Sr-89, Sr-90 and Gross Alpha values are estimated based on third quarter 1991 sample analyses and fourth quarter 1991 ventilation exhaust rates.

4'*

.P 0

TABLE 3 SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT (1991)

AIRBORNE EFFLUENTS Continuous Hode Continuous Hode Huclides Released Unit Third auarter Fourth auarter A. Fission and Activation Gases Ar-41 Ci 1.49E+01 O.OOE+00 Kr-85m Ci 1.22E+00 O.OOE+00 Kr-88 Ci 1 ~ 12E+00 0 O BOE+00 Xe-133 Ci 4 '9E+00 3.05E+01 Total for Period Ci 2 ~ 18E+01 3.05E+01 8~ iodines 1-131 Ci O.OOE+00 2.87E-06 I - '133 Ci O.OOE+00 O.OOE+00 1-135 Ci O.OOE+00 O.OOE+00 Total for Period Ci O.OOE+00 2.87E.06 C. Particulates Cr-51 O.OOE+00 O.OOE+00 Hn-54 Ci 1.15E-OS 2.81E-06 Fe-59 Ci O.OOE+00 O.OOE+00 Co-58 O.OOE+00 0 ~ OOE+00 Co-60 Ci O.OOE+00 1.24E-OS Zn-65 Ci O.OOE+00 O.OOE+00 Sr-89 Ci O.OOE+00 O.OOE+00*

Sr-90 Ci O.OOE+00 O.OOE+00*

Cs-134 Ci O.OOE+00 O.OOE+00 Cs-137 0 'OE+00 O.OOE+00 Ce-141 Ci O.OOE+00 O.OOE+00 Ce-144 Ci O.OOE+00 O.OOE+00 Total for Period Ci 1 ~ 15E.OS 1.52E-OS

Reported values are estimated based on third quarter 1991 sample analyses and fourth quarter 1991 ventilation exhaust rates.

16

I 0

Waterborne Effluents Summaries of the radionuclide total curie activities, average diluted concentrations, and percent of applicable Technical Specification limits are included in Tables 4 and 5.

Third Fourth Batch Releases* guarter guarter

1. Number of Batch Releases: 4.40E+01 4. 10E+01

2. Total Time Period for Batch Releases: 7.79E+03 5.87E+03

3. Haximum Time Period for a Batch Release: 2.72E+02 2.95E+02

4. Average Time Period for a Batch Release: 1.77E+02 1.43E+02

5. Hinimum Time Period for a Batch Release: 1.80E+01 5.00E+00

6. Average Stream Flow During Period of Release of Effluent into a Flowing Stream: >8.29E+03 >7.29E+03 (Cooling Tower

Units of time and flow are expressed in Blowdown Flow Rate) minutes and gallons per minute (gpm),

respectively.

6.01E+05 3.06E+06 (Susquehanna River Flow Rate) bnormal Releases

1. Number of Releases: 0 0

2. Volume Released: NA NA

3. Total Activity Released: NA NA If a radionuclide was not detected, zero activity was used for that isotope in dose calculations. A zero activity indicates that no activity was positively detected in any sample when samples were analyzed with techniques which achieved the required Lower Limits of Detection (LLD) as specified in the SSES Technical Specification Table 4. 11. 1. 1. 1-1, Radioactive Liquid Waste Sampling and Analysis Program. In all cases, these LLDs were less than the levels required by Technical Specifications. The following are typical LLDs.

Radionuclide LLD uCi ml Hn-54 4.5 E-08 Fe-59 5.0 E-08 Co-58 2.4 E-08 Co-60 5.4 E-08 Zn-65 4.9 E-08 Ho-99 1.7 E-07 I-131 2.0 E-08 Cs-134 2.2 E-08 Cs-137 2.6 E-08 Ce-141 3.2 E-08 Ce-144 1.3 E-07 Sr-89 4.0 E-08 Sr-90 4.0 E-09 Fe-55 1.0 E-06 H-3 4.6 E-06 Gross Alpha 3.0 E-08 17

TABLE 4 SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT (1991)

WATERBORNE EFFLUENTS - SUNMATION OF ALL RELEASES Third Fourth A. Fission and Activation Products Unit Quarter Quarter

1. Total Release (Not Including Tritiun, Gases Al a) Ci 1.92E-04 4.56E-04>>

2~ Average Diluted Concentration During Period uCi/ml 6.88E-10 2.77E-09

3. Percent of Applicable Limit 4.86E-05 1.82E-04 B. Tritiun

1. Total Release Ci 1.34E+01 1.18E+01

2. Average Diluted Concentration Durin Period uCi/ml 4.80E-05 7.17E-05

3. Percent of A licable Limit 1.60E+00 2.39E+00 C. Dissolved and Entrained Gases

1. Total Release Ci 6.83E-OS 1.90E-04

2. Average Diluted Concentration uCi/ml 2.45E-10 1.15E-09 Durin Period

3. Percent of A licable Limit 6.12E-04 2.88E-03 O. Gross Alpha Radioactivity

1. Total Release Ci 0 ~ OOE+00 O.DOE+00>>

E. Volune of 'Naste Released (Prior to Dilution) Gallons 6.28E+05 4.67E+05 Liters 2.38E+06 1.77E+06 F. Volune of Dilution lister Used During Period of Release Gallons 7.31E+07 4.30E+07 Liters 2.77E+08 1.63E+08 G.. Volune of Dilution 'Nater Used Over Entire Period Gallons 1.10E+09 9.66E+08 Liters 4 '6E+09 3.66E+09

<<Reported values are estimated based on third quarter 1991 sanple analyses and fourth quarter 1991 discharge volunes.

18

4 0

TABLE 5 SEHIANIRJAL EFFLIKNT AIO QASTE DISPOSAL REPORT (1991)

VATERBORNE EFFLlKNTS Batch Hode Batch Hode Nuclides Released Unit Third Quarter Fourth Quarter A. Fission and Activation Products Na-24 Ci O.DOE+00 O.OOE+00 Cr-51 Ci O.OOE+00 2.97E-05 Hn-54 Ci 1.04E-04 1.97E-04 Fe-55 Ci 0 'OE+00 O.DOE+00*

Fe-59 Ci O.DOE+00 O.DOE+00 Co-58 Ci O.DOE+00 O.DOE+00 Co-60 Ci 8.76E-OS 2.17E-04 Zn-65 Ci O.DOE+00 2.99E-06 As-76 Ci O.DOE+00 O.DOE+00 Sr-89 Ci O.DOE+00 O.DOE+00>>

Sr-90 Ci O.OOE+00 O.DOE+00>>

Mo-99 Ci O.OOE+00 O.DOE+00 Tc-99m Ci O.DOE+00 O.DOE+00 A -110m Ci O.DOE+00 2.45E-06 I -131 Ci O.DOE+00 O.DOE+00 tlute Cs-134 Ci O.OOE+00 2.84E-06 Cs-137 Ci 4.56E-07 3.66E-06 Ce-141 Ci O.DOE+00 O.DOE+00 Ce-144 Ci O.DOE+00 O.DOE+00 Total for Period Ci 1.92E-04 4.56E-04>>

B. Tri H-3 Ci 1.34E+01 1.18E+01 Total for Period Ci 1 ~ 34E+01 1.18E+01 C. Dissolved and Entrained Gases Ar-41 Ci D I ODE+00 O.DOE+00 Kr-85m Ci O.OOE>>00 O.DOE+00 Kr-85 Ci O.DOE+00 O.OOE>>00 Kr-87 Ci O.DOE+00 O.DOE+00 Kr-88 O.DOE+00 O.DOE+00 Xe-133m Ci O.DOE+00 O.DOE+00 Xe-133 3 '9E.06 9.02E-05 Xe-135m Ci O.DOE+00 O.OOE+00 Xe-135 Ci 6.51E-05 9.93E-05 Total for Period Ci 6.83E.05 1.90E-04

>>Reported values are estimated based on third quarter 1991 sample analyses and fourth quarter 1991 discharge volunes.

FIGURE 3 SUS(UEHANNA RIVER MONTHLY AVERAGE FLOW RATES DATA PERIOD: 1991 14000 12000 10000 oO O

X 8000 1

K K d000 O

C9 4000 2000 d, od gG 1991 20

FIGURE 4 SUSQUEHANNA STEAM ELECTRIC STATION MONTHLY LIQUID RADWASTE DISCHARGE TOTALS DATA PERIOD: 1991 500 450 400

'I P

(

360 ~ ~ ~

V

\

I P

300 ~ i

O O

X M 260 K

O P

200 II

~ ~

160 ~ ~ ~ x 100 50 0

g8 ~ps p9 q9 pH g9 gv gs yv d, 04 1S91 21

SUSQUEHANNA STEAM ELECTRIC STATION RADIOACTIVE WASTE REPORT SEMI-ANNUAL EFFLUENT AND WASTE DISPOSAL REPORT SOLID RADIOACTIVE WASTE DATA PERIOD: JULY 1 1991 - DECEMBER 31 1991 PREPARED BY: P. LEW H L PHYSICIST RADWASTE APPROVED BY: D. L. HAGAN EFF UENTS MANAGEMENT SUPV.

22

REPORT NOTES I. All activities reported in millicuries (mCi) unless otherwise noted.

2. Reported activities, as indicated with the (<) sign, are comprised in whole or part of HDL Values.

3. No waste disposed of in the following Waste Streams during this report period:

Condensate Demineralize/Radwaste Demineralizer Solidified using Portland Cement Evaporator Concentrates Solidified using Portland Cement Incinerable DAW Absorbed Oil Liquid Oily Waste (Petroleum Based Haterial)

Liquid Radwaste Filter Hedia Solidified using Portland Cement Sump Sludge Solidified using Portland Cement 23

TABLE 6 SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT SOLID WASTE AND IRRADIATED FUEL SHIPMENTS Data Period: July 1, 1991 - December 31, 1991 A.* SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL Number of Shi ments Mode of Trans ortation Destination 35 Truck Barnwell, SC B. IRRADIATED FUEL SHIPMENTS Number of Shi ments Mode of Trans ortation Destination NONE NOT APPLICABLE NOT APPLICABLE

The number of shipments listed in A include only the shipments from SSES to a disposal site. It does not include shipments made to or from volume reduction vendors.

24

0 TABLE 7 CLASS A SOURCE OF WASTE: CONDENSATE DEMINERALIZER/

RADWASTE DEMINERALIZER TYPE OF CONTAINER: CARBON STEEL LINER METHOD OF PROCESS: DEWATERED ISOTOPES ACTIVITY (mCi) OF TOTAL Ag-llom 0.000E+00 0.004 Am-241 3.922E-03 0.004 C-14 1.863E+01 0.794 Cm-242 9.790E-05 0.00%

Cm-244 2.482E-03 0.00%

Co-58 2.419E+ol 1.034 Co-60 6.006E+02 25.544 Cr-51 1.186E+Ol 0.

Cs-134 3.494E+00 504'.154 Cs-137 6.383E+00 0.274 Fe-55 1.193E+03 50.744'.484 Fe-59 1.127E+01 H-3 5.768E+Ol 2.454 I-129 <6. 318E-01 0.034 I-131 0.000E+00 0.004 Mn-54 3.610E+02 15.354 Ni-63 9.958E+00 0.424 Pu-238 8.433E-03 0.004 Pu-239 4 '20E-03 0.004 Pu-241 7 '24E-02 0.004 Sb-124 0.000E+00 0.004 Sr-89 1.616E+00 0.074 Sr-90 1.711E-01 0.014 Tc-99 <4. 541E-01 0.

Zn-65 5.014E+01 024'00.004 TOTAL ACTIVITY (Ci) 2.351 CONTAINER VOLUME 572.000 ft3 16.198 m3 25

TABLE 8 CLASS A SOURCE OF WASTE: CONDENSATE DEMINERALIZER/

RADWASTE DEMINERALIZER TYPE OF CONTAINER: HIC METHOD OF PROCESS: DEWATERED ISOTOPES ACTIVITY (mCi) % OF TOTAL Ag-llom O.OOOE+00 O.OO%

Am-241 8.651E-03 0.00%

C-14 2.674E+01 0.39%

Cm-242 4.546E-03 0.

Cm-244 4.278E-03 00%'.00%

Co-58 1.786E+02 2.61%

Co-60 1.484E+03 21.73%

Cr-51 8.807E+01 1.29%

Cs-134 1.376E+Ol 0.20%

Cs-137 3.138E+01 0; 46%

Fe-55 3.723E+03 54.49%

Fe-59 8.043E+01 1.18%

H-3 1.218E+02 1.78%

I-129 < 1.584E+00 0.02%

I-131 2.102E+00 0.03%

Mn-54 8.124E+02 11.89%

Ni-63 2.600E+01 0.38%

Pu-238 2.139E-02 0.00%

Pu-239 9.702E-03 0.00%

Pu-241 3.297E+00 0.05%

Sb-124 O.OOOE+00 0.00%

Sr-89 O.OOOE+00 0.00%

Sr-90 4.393E-01 0.01%

Tc-99 <9.211E.-01 0.01%

Zn-65 2.372E+02 3.47%

TOTAL ACTIVITY (Ci) 6.832 100.00%

CONTAINER VOLUME 1171.200 ft3 33.165 m3 26

TABLE 9 CLASS A SOURCE OF WASTE: ULTRASONIC RESIN CLEANING WASTE TYPE OF CONTAINER: HIC METHOD OF PROCESS: DEWATERED ISOTOPES ACTIVITY (mCi) OF TOTAL Ag-110m O.OOOE+00 0.00%

Am-241 6.232E-03'.631E+Ol 0.00%

C-14 0.02%

Cm-242 3.516E-'03 0.00%

Cm-244 2.898E-03 0.00%

Co-58 4.246E+02 0.21%

Co-60 1.013E+04 4.91%

Cr-51 2.476E+03 1.20%

Cs-134 5.608E+Ol 0.03%

Cs-137 7.882E+01 0.04%

Fe-55 1.741E+05 84.37%'.86%

Fe-59 1.783E+03 H-3 3.996E+01 0.02%

I-129 (3.814E-01 0.00%

I-131 O.OOOE+00 0.00%

Mn-54 1.574E+04 7.63%

Ni-63 3.030E+02 0.15%

Pu-238 1.105E-02 0.00%

Pu-239 6.151E-03 0.00%

Pu-241 1.175E+00 0. 00%'.

Sb-124 3.644E+01 02%

Sr-89 O.QQQE+00 Q.00%

Sr-90 2.073E-01 0.00%

Tc-99 C 1. 185E+QO 0.00%

Zn-65 TOTAL ACTIVITY (Ci)

l. 206.332 130E+03 0.55%

100.00%

CONTAINER VOLUME 390 '00 ft3 11.055 m3 27

TABLE 10 CLASS A SOURCE OF WASTE: LIQUID RADWASTE FILTER MEDIA TYPE OF CONTAINER: HIC METHOD OF PROCESS: DEWATERED ISOTOPES ACTIVITY (mCi) OF TOTAL Ag-llom 1. 357E+01 0.00%

Am-241 2.733E-02 o.oo%

C-14 2.150E+Ol 0.00%

Cm-242 2.437E-02 0.00%

Cm-244 1.992E-02 o.oo%

Co-58 5.352E+03 O.34%

Co-60 6.710E+04 4.31%

Cr-51 1.941E+04 1.25%

Cs-134 3.985E+01 0.00%

Cs-137 2.213E+02 0.01%

Fe-55 1.236E+06 79.41%

Fe-59 2.553E+04 1.64%

H-3 9.054E+01 0.01%

I-129 C 5. 528E-01 0.00%

I-131 O.OOOE+00 o.oo%

Mn-54 1.934E+05 12.42%

Ni-63 1.789E+03 O.11%

Pu-238 7.262E-02 0.00%

Pu-239 2.879E-02 0.00%

Pu-241 1.517E+01 o.oo%

Sb-124 1.032E+03 0.

Sr-89 1.426E+Ol 07%'.00%

Sr-90 5.447E-01 0.00%

Tc-99 Zn-65

( 6.624E-01 6.488E+03 0.00%

0.42%

Hf- 181 6.014E&1 O.OOX Nb- 95 5. 714E+01 O.OOX Ce- 144 5.255E&1 O.OOX TOTAL ACTIVITY (Ci) 1556.634 100.Rg COÃZAIMZ VOLUME 894.500 ft:3 25.330 m3 28

TABLE 11 CLASS A SOURCE OF WASTE: COMPACTED DAW TYPE OF CONTAINER: STRONG TIGHT CONTAINER METHOD OF PROCESS: N/A ISOTOPES ACTIVITY (mCi) % OF TOTAL Ag-110m O.OOOE+00 0.00%

Am-241 7.201E-01 0.01%

C-14 3.582E-01 0.01%

Cm-242 9.134E-01 0.02%

Cm-244 4.343E-01 0.01%

Co-58 1.391E+01 0.24%

Co-60 8.793E+02 15.24%

Cr-51 2.098E+Ol 0.36%

Cs-134 O.OOOE+00 0.00%

Cs-137 9.201E-03 0.00%

Fe-55 4.365E+03 75.65%

Fe-59 3.933E+01 0.68%

H-3 2.257E-01 0.00%

I-129 (3.905E-01 0.01%

I-131 O.OOOE+00 0.00%

Mn-54 3.626E+02 6.29%

Ni-63 1.672E+01 0.29%

Pu-238 1.235E-02 0.00%

Pu-239 4.999E-03 0.00%

Pu-241 1.006E+00 0.02%

Sb-124 O.OOOE+00 0.00%

Sr-89 1.865E-02 0.00%

Sr-90 O.OOOE+00 0.00%

Tc-99 4 9.822E-01 0.02%

Zn-65 6.709E+01 1.16%

TOTAL ACTIVITY (Ci) 5.770 100.00%

CONTAINER VOLUME 1038.400 ft3 29.405 m3 29

TABLE 12 CLASS A SOURCE OF WASTE: NON-COMPACTABLE DAW TYPE OF CONTAINER: STRONG TIGHT CONTAINER METHOD OF PROCESS: N/A ISOTOPES ACTIVITY (mCi) OF TOTAL Ag-110m O.OOOE+00 0.004 Am-241 1.427E-03 0.004 C-14 2 '13E-02 0.004 Cm-242 5.903E-04 0.004 Cm-.244 7.319E-04 0.004 Co-58 1.079E-01 0.024 Co-60 4.607E+01 8.014 Cr-51 O.OOOE+00 0.00%

Cs-134 O.OOOE+00 0.00%

Cs-137 O.OOOE+00 0.004 Fe-55 4.954E+02 86.164 Fe-59 6.583E-02 0.014 H-3 2.447E-02 0.004 I-129 4 2.206E-02 0.004 I-131 O.OOOE+00 0.00%

Mn-54 2.803E+01 4.87%

Ni-63 1.898E+00 0.334 Pu-238, 2.516E-03 0.004 Pu-239 1.045E-03 0.004 Pu-241 1.846E-01 0.034 Sb-124 O.OOOE+00 0.004 Sr-89 O.OOOE+00 0.00%

Sr-90 O.OOOE+00 0.00%

Tc-99 < 2.781E-02 0.004 Zn-65 3.105E+00 0.544 TOTAL ACTIVITY (Ci) 0.575 100.00%

CONTAINER VOLUME 456.740 ft3 12.934 m3 30

TABLE 13 CLASS B SOURCE OF WASTE: RWCU FILTER MEDIA TYPE OF CONTAINER: HIC METHOD OF PROCESS: DEWATERED ISOTOPES ACTIVITY (mCi) OF TOTAL Ag-110m 1.490E+03 0.02%

Am-241 8.490E-02 0.00%

C-14 5.263E+00 0.00%

Cm-2 4 2 1.976E-02 0.00%

Cm-244 4.034E-02 0.00%

Co-58 2.279E+04 0.33%

Co-60 6.255E+05 9.00%

Cr-51 5.422E+04 0.78%

Cs-134 1.748E+03 0.03%

Cs-137 3.848E+03 0.

Fe-55 5.415E+06 06%'7.90%

Fe-.59 1.972E+04 0 '8%

H-3 2.484E+01 0.00%

I-129 I-131

( O.OOOE+00 1.285E+01 0.00%

0.00%

Mn-54 6.840E+05 9.84%

Ni-63 1.879E+04 0.27%

Pu-238 5.589E-02 0.00%

Pu-239 3.531E-02 0.00%

Pu-241 2.306E+01 0.00%

Sb-124 1.866E+02 0 F 00%

Sr-89 1.011E+03 0.01%

Sr-90 5.102E+00 0.00%

Tc-99 5.658E-01 0.00%

Zn-65 1.030E+05 1.48%

TOTAL ACTIVITY (Ci) 6951.025 100.00%

CONTAINER VOLUME 367.000 ft3 10.392 m3 31

0 TABLE 14 CLASS B SOURCE OF WASTE: CARTRIDGE FILTERS TYPE OF CONTAINER: HIC METHOD OF PROCESS: N/A ISOTOPES ACTIVITY (mCi) OF TOTAL Ag-110m O.OOOE+00 0.

Am-241 O.OOOE+00 00%'.00%

C-14 5.020E-01 0.00%

Cm-242 2.155E-02 0.

Cm-244 7.590E-03 00%'.00%

Co-58 O.OOOE+00 0.00%

Co-60 1.488E+05 3.

Cr-51 O.OOOE+00 88%'.00%

Cs-134 O.OOOE+00 0.00%

Cs-137 2.420E+03 0.06%

Fe-55 3.360E+06 87.67%

Fe-59 2.464E+04 0.64%

H-3 1.831E+00 0.00%

I-129 I-131

( 2.600E-04 O.OOOE+00 0.00%

0.00%

Mn-54 2.790E+05 7.28%

Ni-63 6.530E+03 0.17%

Pu-238 O.OOOE+00 0.00%

Pu-239 7.780E-03 0.00%

Pu-241 3.550E+00 0.00%

Sb-124 O.OOOE+00 0.00%

Sr-89 3.610E+00 0.00%

Sr-90 1.115E+00 0.00%

Tc-99 C 1.740E-04 0.00%

Zn-65 1 '00E+04 0.29%

TOTAL ACTIVITY (Ci) 3832.401 100.00%

CONTAINER VOLUME 240 '00 ft3 6.813 m3 32

TABLE 15 CLASS C SOURCE OF WASTE: IRRADXATED REACTOR COMPONENTS TYPE OF CONTAINER: TYPE B METHOD OF PROCESS: DEWATERED ISOTOPES ACTIVXTY (mCi) OF TOTAL Ag-llom O.OOOE+00 o.oo%

Am-241 3.582E-02 0.00%

C-14 7.884E+03 o.oo%

Cm-242 1.035E+01 o.oo%

Cm-2 4 4 1.947E+OQ o.oo%

Co-58 O.OOOE+00 o.oo%

Co-60 8.676E+07 35.75%

Cr-51 1.878E+06 O.77%

Cs-134 O.OOOE+00 o.oo%

Cs-137 O.OOOE+00 o.oo%

Fe-55 1.381E+08 56.90%

Fe-59 8.62SE+01 0.00%

H-3 1.127E+06 0 ~ 46%

X-129 I-131

( 1.690E-03 0.00%

O.OOOE+00 o.oo%

Mn-54 9.889E+06 4.08%

Ni-63 4-876E+06 2.01%

Pu-238 2.899E+00 0.00%

Pu-239 1.207E-01 0.00%

Pu-241 2.778E+01 o.oo%

Sb-124 2 '60E-02 o.oo%

Sr-89 2.871E-02 0.00%

Sr-90 2 '73E-02 Q.QQ%

Tc-99 1.199E+02 0.00%

Zn-65 O.OOQE+00 0.00%

Ni-59 3 '72E+04 0.01%

Nb-94 1.057E+02 0.00%

Np-237 2.951E 04 0.00%

Pu-242 3. 162E-04 0.00%

Am-243 4 '13E-03 0.00%

Sb-125 2 260E+04 0.01%

TOTAL ACTIVITY (Ci) 242662.889 100.00%

CONTAINER VOLUME 764 F 000 ft3 21.634 m3 33

TABLE 16 SENIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT ESTINTED TOTAL ERRORS ASSOCIATED WITH EFFLUENT NEASURENENTS Data Period: July 1, 1991 - December 31, 1991 Neasurement Estimated Total Error

1. Airborne Effluents

a. Fission and Activation Gases 15.9X

b. I-131 13.3X C. Particulates 15.8X

d. Tritium 13.6X

2. Waterborne Effluents

'a ~ Fission and Activation Products 5.0X

b. Tritium 3.3X C. Dissolved and Entrained Gases 8.4X

d. Gross Alpha Activity 6.0X

e. Volume of Waste Released '.0X (Prior to Dilution)

f. Volume of Dilution Mater Used During 15.0X Period

3. Solid Wastes

'a ~ Condensate Demineralizer/ 15.1X Radwaste Demineralizer (Oewatered - Carbon Steel Liner)

b. Condensate Demineralizer/ 15.1X Radwaste Demineralizer (Oewatered - HIC)

C. Liquid Radwaste Filter acedia 15.1X (Oewatered HIC)

d. Cartridge Filters 15.1X (HIC)

e. Ultrasonic Resin Cleaning Waste 15.1X (Dewatered - HIC)

RMCU Filter Media 15.1X (Dewatered - HIC)

Compacted DAW 25.0X (Strong Tight Container)

Non-Compacted OAW 25.0X (Strong Tight Container)

OTHER - Irradiated Reactor Components 15.1X (Solid - Carbon Steel Liner) 34

TABLE 17 SENIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT DATA NOT REPORTED IN PREVIOUS SEMIANNUAL REPORT NUCLIDE CATEGORY UNIT SECOND QUARTER 1991 A. Airborne fffluents

1. Sr-89 Ci O.OOE+00

2. Sr-90 Ci O.OOE+00

3. Gross Alpha Ci 7.11E-09 B. Water borne Effluents

1. Sr-89 Ci 0.00E+00

2. Sr-90 Ci O.OOE+00

3. Gross Al ha Ci O.OOE+00 35

SECTION 3 METEOROLOGICAL DATA AND DISPERSION ESTIMATES 36

~J METEOROLOGY AND DISPERSION DATA Meteorological data have been collected at the Susquehanna SES site since the early 1970s. At the present time, the meteorological system is based on a 300-foot high tower located approximately 1,000 feet to the southeast of the plant. Wind sensors are mounted at the 10-meter and 60-meter elevations on this tower. Vertical temperature differential is measured with redundant sensor pairs between the 10m and 60m levels. Sigma theta (the standard deviation of horizontal wind direction) is measured at both levels. Dewpoint and ambient temperature sensors are present at the 10m level.

Precipitation is measured at ground level.

A back-up meteorological tower was erected in 1982. It is a 10-meter tower providing alternate measurements of wind speed, wind direction, and sigma theta.

SSES meteorological data is transmitted to the plant control room, Technical Support Center, and Emergency Operations Facility for emergency response availability. The data is also transmitted via telephone line data-link to the PPEL corporate computer in Allentown. On the corporate computer, the data is available for preparation of summary reports, wind rose plots, and dispersion estimates.

Dispersion modeling for effluents from normal operation of SSES is done using ADSSES, a straight-line sector averaged Gaussian plume model designed to estimate average relative concentrations. The model was developed in accordance with Regulatory Guide 1. 111. Wind directions for calm periods are distributed in accordance with the directional distribution by stability class of the lowest wind speed class.

ADSSES uses terrain correction factors to account for the temporal and spatial variations in the airflow in the region, since a straight-line trajectory model assumes that a constant mean wind transports and diffuses effluents in the direction of air flow at the release point within the entire region of interest. The SSES terrain correction factors presented on the seventh page of Table 20 were determined as the ratio between puff-advection dispersion estimates and straight-line dispersion estimates based on 1973-1976 meteorological data. The terrain correction factors are multiplied by the intermediate results of the straight-line model to approximate puff-advection model results.

37

0 TABLE 18 SEMIANNUAL EFFLUENT AND WASTE DISPOSAL REPORT METEOROLOGICAL DATA AVAILABILITY Data Period: 1991 Percent of Valid Parameter Hours Durin Period

1. Wind Speed

a. All Sensors Combined 99.9X

b. 10-meter Sensors 99.9X

c. 60-meter Sensor 99.9X

2. Wind Direction

a. All Sensors Combined 99.9X

b. 10-meter Sensors 99.9X

c. 60-meter Sensor 99.9X

3. Indicator of Atmospheric Stability

a. Temperature Differential or Sigma Theta 99.9X

b. Temperature Differential 98.0X

c. Sigma Theta 99.9X

4. Percent of hours for which valid 10m Wind Speed, 10m Wind Direction, and temperature differential were available. 98.0X

5. Percent of hours for which valid 60m Wind Speed, 60m Wind Direction, and temperature differential were available. 98.0X 38

FIGURE 5 SSES WIND ROSE: 10-METER SENSORS N

4.8/ SUSQUEHRNNR NNM NNC STEAII CLECTR IC STATION 3 ~ 8% 15% 6 ~ 8%

WINO ROSE CATA PCRIOO: Ol/01/91 - 12/31/91 TONER> ON-SITC (P)

ELCYATION t IOII NE 2.3/ 10% 8.9X 5%

1. 6% 16. 1%

M CRll C 3.3% O.OX 8.0/

HSM CSC 7.0%

5% HINO SPECO KCT 7.6-10.0 II/SEC 5.1- 7.5 II/SCC SH I OX SC I0.4%

3.1- 5.0 II/SEC 0.7%

1.6- 3.0 II/SEC SSM IS% SSE 0,0- 1.5 II/SCC 6.5% 4.4%

S 6.1X 39

FIGURE 6 SSES WIND ROSE: 60-METER SENSORS N

S. I X SUSQUEHRNNR NNH 0.1% SION CLCCTRIC 5TRT ION 10.8%

HIND ROSE ORTR PCRIOOt 0l/0l/91 -,12/31/91 TONCRi ON-SITC (P1

2. 9% I OX NC CI.EYRT I ON c 60tt 10.8/

5%

NNH

2. 0% CNC 1.7%

0.0% C

3. 8%

NSH AMINO SPCCO KCT 12.1% CSC 3.1%

10.1- tt/SCC 7.6-10.0 tt/SCC 5~ I- 7.5 tt/SCC SN 11.6X SC 10 X 3.4X 3.1- 5.0 tt/SCC 1.6- 3.0 tt/SCC SSN

~ ~ ~

8.1%

SSC 0.0- 1.5 tt/SCC 3.8%

5 5.2X 40

FIGURE 7 Susquehanna Steam Electric Station SSES PASOUILL STABILITY CLASS PREVALENCES Data Period: 1991 Based on Joint Wind Frequency Distributions at 10 Meters (8414 Hourly Values)

SLIGHTLY UNSTABLE 391 4.8%

NEUTRAL 3307

~ MODERATELY UNSTABLE 322 3.8%

38.3%

~ VERY UNSTABLE 461 6.4%

VERY STABLE 680 8.1%

SLIGHTLY STABLE 2088 24.8%

~ ~ MODERATELY STABLE 1176 14.0%

1 Page 1 of 18 TABLE 19 1]OINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHA)t)A STEAN ELECTRIC STATION, HE'TEOROLOGICAL REPORTS RUNDATEt I/22>>

JOINT HIND FREQUENCY DISTRIBUTION BY STABILITY CLASS DATA PERIOD I YY/ttt/00/HH): 91/01/01/01 - 91/12/31/24 STABILITY CLASS: PASQUILL A KEY XXX NUHBER OF OCCURRENCES DATA SOURCE: ON-SITE IP ) XXX PERCENT OCCURRENCES THIS CLASS HIHD SENSOR HEIGHT: 10N XXX PERCENT OCCURRENCES ALL CLASSES HIND NINO SPEED CATEGORIES IHETERS PER SECOND) HEAN SECTOR 0.0 1.5 1.5-3.0 3.0-5.0 5.0-7.5 7.5-10.0 TOTAL SPEED 3

0.22

0. 01 1

0 0

'7

'49 0.11 9

Z ~ 00 0 00 F

0.00 0 0 0 ~ 00

0. 00

0. 00 0.00 0

2 88 F

0.15 13 3. 11 0 5 0 0 0 14 Z.BZ 0.00 2.00 1,11 0 F 00 0. 00 0.00 3. 10 0 F 00 0

0 ~ 11 4

0 ~ 06 0

0.00 0

0 '7 1.86 0.00 0. 89 0.00 0.00 0.00 0.00 0.89 0 F 00 0.05 0.00 0 00 F 0.00 0.00 0.05 0 4 1 0 0 0 5 2.4Z 0.00 0.89 0.22 0.00 0.00 0.00 1.11 0>>00 0 ~ 05 0>>01 0.00 0.00 0.00 0. 06 ESE 7 7 1 0 0 0 1.80 1.55 0 F 08 1.55 0.08 0.22 0.01 0 00 F

0 00 F

0.00 0.00 O. 00 0.00 3 '315

0. 18 8 2.81 SE

0. 44 0.02 2

1. 77

0. 10 2 '210 0 ~ 12 0.00 0>>00 0

0 00 F

0

0. 00 0>>00 0

4.43 0.24 20 0 17 9 0 0 0 26 2.64 0.00 3.77 2. 00 0 00 F 0.00 0.00 5. 76 0 F 00 0.20 0.11 0.00 0.00 0.00 0. 31 3 23 13 2 0 0 41 Z.76

0. 67 5.10 0. 44 0 ~ 00 0.00 9. 09

0. 04 1

0 '724 0>>15 6

0>>02 0

0. 00 0

0.00 0

0.49 31 2.60

0. 22 5. 32 1.33 0 00 F 0 ~ 00 0.00 6.87 0>> 01 0.29 0 ~ 07 0.00 0.00 0.00 0.37 1 41 109 10 0 0 161 3.53 0>>22 9 09

~ 24.17 2 ~ 22 0.00 0.00 35.70 0 01

~ 0.49 1. 30 0. 12 0 00 F 0.00 1. 91 0 4 79 13 0 100 4.35 0.00 0.89 17 ~ 52 0. 8't 0. 00 22. 17 0>>00 0.05 0. 94 0. 15 0. 05 0.00 1. 19 0.00 0 00 F

0 0 '2I

0. 01 2.00 0.11 9

0.22 0>>01 1

0.00 0 00 F

0

0. 00 0.00 0

2.44 11

0. 13 3.89 0 0 2 0 0 0 2 3. 37 0 00 F 0 00

~ 0.44 0 F 00 0 ~ 00 0.00 0. 44 0>>00 0>>00 0. 02 0.00 0 00 F 0.00 0.02 1 1 0 0 0 0 0.22 0.22 0.00 0.00 0.00 0. 00 0.44 0>> 01 0.01 0.00 0 00 F 0.00 0 F 00 0 02 F

0 0 0 0 0 2 0>>00 0.44 0.00 0.00 0.00 0.00 0.44 0>>00 0.02 0.00 0.00 0.00 0.00 0. 02 0 3 1 0 0 0 2.52 0.00 0.67 O.ZZ 0.00 0.00 0.00 0.89 0 00 F 0. 04 0>>01 0.00 0>>00 0.00 0>>05 CALN 0 0 CAUI

0. 00 0 ~ 00 0 ~ 00 0.00 TOTAL 16 151 254 26 0 451 3. 36 3.55 33.48 56.32 5.76 0.89 0 00 100 00 0>> 19 l. 79 3.02 0 ~ 31 0. 05 F

0.00 F

5.36 42

Page 2 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQVEHAtZ)A STEAN ELECTRIC STATION METEOROLOGICAL REPORTS RLZ)OATEt I/2 JOINT HIND FREQUENCY OISTRIOUTION 8Y STA8ILITY CLASS DATA PERIOD t YY/ttl/OD/HH)t 91/01/01/Ol - 91/12/31/24 STAOILITY CLASS: PASQUILL 8 KEY XXX NUtE)ER OF OCCURRENCES DATA SOURCE: ON-SITE IP) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 10N XXX PERCENT OCCURRENCES ALL CLASSES HIND HIND SPEED CATEGORIES (METERS PER SECOND) MEAN SECTOR 0.0-1.5 1.5-3.0 3.0-5.0 5.0-7.5 7. 5-10. 0 >10.0 TOTAL SPEED 2 10 11 0 0 0 23 3.01 0.62 3 ~ 11 3+42 0.00 0 ~ 00 0.00 7.14 0.02 0.12 0. 13 0.00 0.00 0.00 0.27 NE 1 9 6 0 0 0 16 2.68 0 ~ 31 2.80 1 ~ 86 0.00 0.00 0.00 4.97 0.01 0 ~ 11 0.07 0.00 0.00 0.00 0 ~ 19 1 16 0 0 0 0 17 1.96

0. 31 4. 97 Oe00 0.00 0.00 0.00 5.28

0. 01 0 ~ 19 0.00 0 F 00 0.00 0 F 00 0 ~ 20 5 9 0 0 0 0 14 1.61 l.'6 0

55 Z.80 0 ~ 11 0.00 0.00 0.00 0 F 00 4.35 0+00 0 00 F 0.00 0.00 0 ~ 17 ESE 0 ~ 93 3

2.48 8

0. 31 1

0 00 F

0 0.00 0

0.00 0

3.73 12 l. 95 0.04 0.10 0 ~ 01 0.00 0.00 0 F 00 0.14 SE 6 5 0 0 0 15 2. 28 1.86 1.55 1.24 0. 00 0.00 0 F 00 4.66 0 F 07 Oe06 Oo05 Oe00 0.00 0 00 0 ~ 18 0.62 2

2. 48 8

0.62 2

0.00 0

F 0.00 0

3.73 12 2 '2 0.02 OolO 0.02 0.00 0.00 0.00 0.14 1 13 6 1 0 0 21 2.69 0 ~ 31 4. 04 1.86 0.31 0.00 0 00 F 6.52 0 01

~ 0.15 0.07 0.01 0.00 0 00 F 0 ~ 25 3

0. 93 Oe04 6 '221 0.25

2. 17 0.08 7

0.00 0.00 0

0 00 F

0.00 0

9 '331 0.37 0.00 0

9.32 30 46

14. 29 1.86 6

0.00 0

0+00 0

25.47 82 3 '0 0.00 0 ~ 36 0.55 0.07 0 F 00 0.00 0 ~ 97 0 12 21 7 4.10 0 ~ 00 0 00 3 '3 0.14 6.52 0 ~ 25 Z. 17 0.08 0.93 0.04 3

0.00 0

13.35 43 F

0 F 00 0.51 0 3 1 0 0 6 0.00 0.62 0.93 0.31 0. 00 0.00 1.86 Oe00 0+02 0,04 0 ~ 01 0.00 Oo00 0+07 1 2 2 0 0 0 5 0 ~ 31

0. 01 0 62 0 ~ 02 0.62 0.02 0.00 0. 00

0. 00 0 F 00 0.00

l. 55 0 F 00 0.06 0 1 1 0 0 0 2 2.93 0.00 0.31 0.31 0.00 0.00 0 00 F 0.62 0.00 0.01 0. 01 0.00 0.00 0 00 F Oo02 0 1 5 1 0 0 7 3.60 0 00 F 0 ~ 31 1.55 0. 31 0.00 0. 00 2.17 0.00 0.01 0,06 0 ~ 01 0 00 F 0 F 00 0.08 0 9 5 2 0 0 16 3.19 0.00 2.80 1.55 0.62 0.00 0.00 4.97 0 ~ 00 Dell 0.06 0 ~ 02 0.00 0.00 0+19 CALM 0 0 CALM 0.00 0.00 0.00 0.00 TOTAL 25 156 120 18 3 0 322 Z. 97 7 ~ 76 48.45 37 27 5.59 0.93 0.00 100.00 0.30 1. 85

~

1.43 0. 21 0 '4 0.00 3.83 43

Page 3 0F 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSOUEHJU45L STEAN ELECTRIC STATION HETEDROLDGICAL REPORTS RLNOATE: I/22 JOINT HIND FREGUENCY DISTRISUTIDN SY STABILITY CLASS DATA PERIOD )YY/)t)IDD/HH): 91/01/01/01 - 91/12/31/24 STABILITY CLASS: PASOUILL C KEY XXX )ARSER OF OCCURRENCES DATA SOURCE: DN-SITE IP) XXX PERCENT OCCURRENCES THIS CLASS HIHO SENSOR HEIGHT) laH XXX PERCENT OCCURRENCES ALL CLASSES HIND HIND 5PEED CATEGORIES )HETERS PER SECOND ) NEAN SECTOR 0.0-1.5 1.5 3,0 3.0 5.0 5.0-7.5 7.5 10.0 TOTAL SPEED 0 20 14 0 0 0 34 2. 90 0.00 5.12 3 F58 0. 00 0. 00 o.aa 8.70 0.00 0 ~ 24 0.17 0.00 0.00 0.00 0 ~ 40 Zl 7 0 0 0 32 2. 43 1.02 5.37 1. 79 0 ~ 00 0.00 0.00 8. 18 0.05 0 ~ 25 0 F 08 0.00 0.00 0.00 0.38 0.51 2

2.56 10 Oooo 0

0 00 F

0 0

0. 00 0.00 0

3.07 12 l. 91 0.02 0. 12 0 F 00 0 00 F 0. 00 0 00 F 0.14 5 6 0 0 0 13 1 ~ 93

1. 28 1. 53 0. 51 0.00 0.00 0.00 3.32

0. 06 ooo? O.OZ 0 00 F 0.00 0.00 0 ~ 15 ESE 2.05 8 8 2 ~ 05 0 26

~

1 0.00 0

0.00 0

0. 00 0

4.35 17 l. 77

0. 10 0. 10 0.01 O.aa o.'aa 0. 00 0 20 F

SE 6 5 0 0 0 15 Z. 35 1.02 1.53 1. 28 0.00 0.00 0 00 F 3. 84 0.05 0.07 0 06 F 0.00 0.00 0.00 0. 18 2 12 2 0 0 0 16 2 ~ 31

0. 51 F 07 0.51 0.00 0.00 0 F 00 4 09

~

0.02 0 14

~ 0.02 0.00 0.00 0.00 0. 19 3 13 10 0 0 0 26 Z.50 0.77 3e32 2.56 0 F 00 0.00 0.00 6.65 0,04 Oo15 0 ~ 12 0.00 0.00 0 00 F 0+31 2 30 2 0 0 0 34 2 20 F

0.51 ?e67 0. 51 0.00 0.00 0.00 8. 70 0.02 0.36 0. 02 0.00 '

0.00 0 00 F 0 ~ 40 1 28 24 4 0 57 3. 19 0.26 7. 16 6. 14 1. 02 0.00 0 00 F 14. 58

0. 01 0.33 0 ~ 2') 0.05 0.00 0.00 0.68 0 12 30 11 3 0 56

0. 00 3 ~ 07 7. 67 2.81 0.77 0.00 14.32 0.00 0.14 0.36 0 ~ 13 0.04 0.00 0.67 0 3 11 0 0 18 0.00 0 ~ 77 2.81 1.02 0. 00 0. 00 4.60 0.00 0.04 0. 13 0 ~ 05 0.00 0.00 0+21 0 8 0 0 0 12 3.13

0. 00 2.05 1. 02 0. 00 0.00 0.00 3.07 0.00 0 ~ 10 0.05 0 F 00 0.00 0 F 00 0. 14 0 3 2 0 0 0 5 Z. 73 0.00 0.?? 0. 51 a.ao O. 00 O. 00 1. 28 0.00 0.04 0.02 0. 00 0. 00 0. 00 0 ~ 06 0 3 10 7 0 0 Za 0.00 0 ~ 77 2.56 1.79 0. 00 0.00 5. 12 0.00 0. 04 0.12 0.08 0.00 0.00 0.24 1 8 14 1 0 0 Z4 3.34 0.26 2.05 3. 58 O. 26 0.00 0 F 00 6 ~ 14

0. 01 Oslo 0.17 0. 01 0 00 F 0.00 0 ~ 29 CALN 0 0 CALN 0.00 0.00 0.00 0.00 TOTAL 32 191 138 27 3 0 391 3.03 8.18 48. 85 35.29 6.91 a.?? o.ao 100.00 0.3$ 2.27 1. 64 0.32 0.04 0 00 F 4.65 44

Page 4 of 18 TABLE I9 JOINT MIND FREQUENCY DISTRIBUTION BY STABILITY CLASS

'USQUEHAtNA STEAN ELECTRIC STATION l1ETEOROLOGICAL REPORTS RUt(DATE:

JOINT HIND FREQUENCY DISTRIBUTION BY STABILITY CLASS 1/2'E DATA PERIOD l YY/ttt/00/HHt t 91/01/01/01 - 91/12/31/Z4 STABILITY CLASS: PASQUILL 0 KEY XXX NUHBER OF OCCURRENCES DATA SOURCE: ON-SITE IP t XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 10H XXX PERCENT OCCURREttCES ALL CLASSES NINO NINO SPEED CATEGORIES IHETERS PER SECOND ) AN SECTOR 0.0-1.5 1.5-3.0 3.0-5.0 5.0-7.5 7.5-10.0 >10.0 TOTAL SPEED 26 152 94 3 0 0 275 0.79 4.60 2. 84 0 ~ 09 0.00 0.00 8.32 NE 0.31 66 1.81 158

l. 37 12 0.04 0

0 00 F

0 0 00 F

0 3.27 Z61 2.06 2.00 4.78 1. 12 0 ~ 00 0.00 0 ~ 00 7.89 0.78 75

l. 69 88 0. 44 14 0 ~ 00 0

0 ~ 00 0

0.00 0

3.10 158 1. 76 2.27 2.09 0.42 D.OD 0.00 0.00 4.78 0.89 0.82 0. 17 0 ~ 00 0.00 0.00 1.88 94 50 15 1 0 0 160 l. 70 Z.84 1.51 0.45 0. 03 O.ao 0.00

l. 12 0.59 0. 18 Oeol 0 00 F 0 ~ 00 1.90 1.86

l. 54 ESE 75 24 0 0 0 153 2.27 63 0. 73 0+00 o.oa 0 ~ 00 4.63 0.89 0.64 0.29 0 00 F 0.00 0.00 1.$ 2 SE 76 54 1$ 0 0 0 148 1.81

2. 30 1.63 0.54 0 00 F a.ao O.ao 4.48 0.90 0.64 0.21 0 00 F 0.00 0 00 F 1.76 52 72 13 2 0 0 139 1. 98 1.57 2.18 0. 39 0. 06 Oaaa 0 00 F 4.20

0. 62 0.86 0. 15 0.02 0.00 0.00 1.65 48 107 23 1 0 0 179 Z. 08 1.45 3.24 0.70 0. 03 0 00 F 0.00 5.41 0.57 1.27 0 27 F 0 ~ 01 0 ~ 00 0.00 2.13 108 16 0 0 0 188 1.90 1.94 3.27 0.48 0,00 0.00 0 F 00 5.6$

0.76 32

1. 28 173 0.19 123 0.00 30 0.00 0

0.00 0

2 '3 358 2 '7

0. 97 5. 23 3.72 0. 91 0. 00 0.00 10.83 0.38 2.06 1.46 0.36 0 00 F 0 00 F 4.25 15 82 106 76 15 0 294 4. 13 0.45 2.48 3. 21 2.30 0 ~ 45 0.00 8.89 0.18 10 0.97 48 l.8926 0.90 55 0 ~ 18 10 0 00

~

0 3.49 212 4.29 0.30 1.45 2.69 1.66 0.30 0 F 00 6.41 0.12 0.57 1,06 0.65 0.12 0.00 2.52 43 0 103 3.36 0.15 0.06 5

1. 30 0.51

l. 41 0.49 24 0.42 0.1T 14 0.00 a.aa 0

0.00 o.'ao 3.11

1. 22 2 57 95 0 0 160 3.39

0. 06 1. 72 2.$ 7 0.18 0.00 0.00 4.84 0 ~ 02 0.68 1.13 0.07 Oeoa 0 F 00 1 ~ 90 80 145 21 0 0 Z52 3.4$

0. 18 2 ~ 42 4e38 0.64 0.00 0.00 7.62 0.07 0.95 1.72 0.25 0.00 0 00 F 3.00 9 124 122 12 0 0 267 3.04

0. 27 3.75 3.69 0.36 0 F 00 0 00

~ 8.07 0.11 i+47 1.45 0. 14 0.00 0.00 F 17 CA'LH 0 0 CALH 0.00 0.00 0 F 00 0.00 TOTAL 655 1431 975 221 25 0 3307 2. 76 19.81 43. 27 29. 48 6.68 0. 76 0.00 100.00 7.78 17.01 ll. 59 2.63 0.30 0 00 F 39.30 45

Page 5 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSOUEHAltlA STEAN ELECTRIC STATION NETEOROLOGICAL REPORTS RUNOATE: 1/2 JOINT NINO FREGUENCY DISTRI8VTION 8Y STABILITY CLASS DATA PERIOD t YY/ttVOD/HH) c 91/01/01/01 - 91/12/31/24 STABILITY CLASS: PASOUILL E KEY XXX NEER OF OCCURRENCES DATA SOURCE: ON SITE IP I XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 10M XXX PERCENT OCCURRENCES ALL CLASSES NINO HIND SPEED CATEGORIES (HETERS PER SECOND I BEAN SECTOR 0. 0-1.5 1.5-3.0 3050 5.0-7.5 7.5-10.0 >10.0 TOTAL SPEED 67 89 0 0 0 158 1.&&

3 21

~ 4.26 0. 10 0. 00 0 00 F 0. 00 7.57

0. 80 1. 06 0.02 0.00 o'.ao Oeao 1.88 NE 142 71 0 0 0 0 213 1. 39 6.80 3.40 0. 00 0.00 0.00 0. 00 10.20 1 ~ 69 0 ~ 84 0.00 0 F 00 0.00 0.00 2.53 ENE 209 35 3 0 0 0 247 1.20

10. 01 1.68 0 ~ 14 0.00 0 00 F 0.00 11. 83 2.48 0.42 0.04 0.00 0.00 a.'aa 2.94 203 10 0 0 0 0 213 1.00 9.72 0.48 0.00 0.00 0 ~ 00 O.aa la.za 2.41 0.12 0.00 0.00 0.00 0.00 2.53 ESE 151 6 3 0 0 1&0 0.98 7.23 0.29 0.14 0.00 0 00

~ 0.00 7.66 1.79 0.07 0.04 0.00 0.00 0.00 1.90 116 12 0 0 0 0 12S 1.09 5.56 0.57 0.00 0.00 0.00 0.00 6.13

1. 38 0 14

~ 0.00 0 00 F 0 F 00 0.00 l. 52 85 28 2 0 0 0 115 1.34 4.07 1.01

l. 34 0.33 0.10 0.02 0.00 0.00 0 ~ 00 0.00 0.00 0.00

5. 51 l.188 37 103 72 12 1 0 0 l. 70 4.93 3.45 0.57 0. 05 0.00 0.00 9.00

1. 22 0.86 0.14 0.01 0.00 0.00 2.23 87 130 16 0 0 0 233 1.81

4. 17 6.23 0.77 0.00 0.00 0.00 11. 16 1.03 39 l.128 55 0.19 32 0.00 0

0 00 F

0 0.00 0

2. 77 199 2 ~ 17 1.87 6. 13 1.53 0. 00 0 00 F 0.00 9. 53 0.46 1.52 0.38 0 F 00 0.00 0.00 2.37 13 52 16 2 0 0 83 0.62 2 ~ 49 0.77 0 ~ 10 0 ~ 00 0.00 3. 9S 0.15 0.62 0.19 0 ~ 02 0.00 0.00 0. 99 8 10 2 0 0 0 20 1.85 0.38 0.4S 0.10 0 ~ 00 0. 00 0.00 0.96

0. 10 0+12 0.02 0 F 00 Oeaa 0.00 0.24 Htf 5 1 0 0 0 10 0.24 0. 19 0.05 0. 00 0. 00 0 F 00 0. 48 0.06 0 ~ 05 0.01 0.00 0 00

~ 0.00 0.12 11 0 0 0 0 17 1.80 0.29 0. 53 0.00 0. 00 0.00 0.00 0.81 0.07 0. 13 0.00 0.00 0 00 F 0.00 0.20

2. 21 a.24 5

1.4S 31

0. 14 0.00 0

0+00 0

0.00 0.00 0

l. 39 87

0. 46 0.06 0. 37 0. 04 0.00 0.00 '65 19 39 7 0 0 0 1. 98

0. 91 1.87 0.34 0. 00 0 00 F 0. 00 3.11 0.23 a.'46 0.08 0.00 0 00 F 0. 00 0.77 CAEN 0 0 CALN 0.00 O.OD 0.00 0.00 TOTAL 1258 728 99 3 0 0 208S 1 ~ 5$

I 60.25 34.&7 0. 14 0.00 0.00 100. 00 14.95 8.65 1. 18 0.04 0. 00 0.00 24.82

Qy Page 6 of 18 TABLE 19 JOINT MIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHAt)NA STEAtl ELECTRIC STATION HETEOROLDGICAL REPORTS REBATE: 1/2 JOINT HIND FREQUENCY OISTRIBV)'IDN BY STABILITY CLASS DATA PERIOD ( YY/ttt/OD/HH): 91/01/01/01- 91/12/31/24 STABILITY CLASS: PASQVILL F KEY XXX ttUt)DER OF OCCURRENCES DATA SOURCE: ON-SITE IP ) XXX PERCENT OCCURRENCES THIS CLASS HIND SEHSOR HEIGHT: 10H XXX PERCENT OCCURRENCES ALL CLASSES HI)ID Hlt)0 SPEED CATEGORIES IHETERS PER SECOND) HEAtt SECTOR 0.0-1.5 1.5-3.0 3.0-5 ' 5.0-7.5 7.5-10. 0 >10.0 TOTAL SPEED 28 2 ~ 38 0 '35 0 0 F 00 0.00 0 0 0 ~ 00 0.00 0 33 2.81

l. 21 0.33 0 '6 0.00 0.00 0 F 00 0 F 00 0.39 111 24 0 0 0 0 135 1.15 9.45 2. 04 0 00 F 0.00 0.00 0.00 11.49

1. 32 0. 29 0.00 0. 00 0 00 F 0.00 1. 60 Et)E 431 77 0 0 0 0 508 1.18 36.68

5. 12 6.55 0.92 0.00 0.00 0.00 0.00 0 ~ 00 0+00

0. 00 0.00 43 '3 6.04 219 0 0 0 0 ZZ3 0. 93 18.64 2.60 0 '4 0.05 0.00 0.00 0.00 0.00 0 00

~

0 ~ 00 0.00 0.00 18.98 Z.65 ESE 60 0 0 0 0 0 60 0.83 F 11 0.00 0.00 0.00 0.00 0.00 5. 11 0.71 0.00 0.00 0.00 0 00 F 0.00 0.71 SE 59 0 0 0 0 59 0.90

5. 02 0.00 0.00 0.00 0 F 00 0.00 5.02

0. 70 0.00 0.00 0.00 0 F 00 0.00 0.70 2 0 0 0 0 51 1.02 4.17 0. 17 0.00 0.00 0. 00 0. 00 4.34 0.58 36 0 '2 0.00 0

0.00 0

0 ~ 00 0

0.00 0

0.61 40 1. 18 3.06 0.34 OeOD D.OD Or00 0 00 F 3.40 0.43 0.05 0.00 0.00 0 F 00 0 00 F 0.48 20 6 0 0 0 0 26 1.36

1. 70 0.51 0.00 0.00 0 F 00 0.00 Z. 21 0.24 0.07 0.00 0.00 0 F 00 0.00 0. 31 14 0 0 0 0 Z3 l. 57 0.77 0.11

l. 19 0.17 0 00 F

0.00 0.00 0.00 0 00 F

Os00

0. 00 O,OD

l. 96 0.27

0. 09 1 2 0.00 0

0.00 0

0.00 0 0 0.26 3 l. +5 0.17 0 ~ 00 0.01 0 '20 0 00 F

0 0.00 0

0.00 0

0.04 2 0.95 0.17 0 F 00 0. 00 0.00 0 00 F 0.00 0.17 0.02 0 F 00 0.00 0.00 0.00 0 00 F 0.02 0 0 0 0 0 0 0 0.00 0 00 F 0.00 0.00 0.00 0.00 0.00 0.00 0 00 F 0.00 0.00 0.00 0 F 00 0.00 0.00 1 1 0 0 0 0 2 1.17

0. 09 0. 09 0.00 0.00 0 F 00 Oe00 0. 17 0.01 0,01 0 F 00 0.00 0.00 0 F 00 0.02 1 1 0 0 0 0 I.vt 0 ~ 09 0.09 0.00 0.00 0.00 0. 00 0,17 0.01 0.01 0 00 F 0.00 0 00 F 0. 00 0.02 5 3 0 0 0 0 8 1.36 0.43 0.26 0.00 0.00 0.00 0 F 00 0.68 0.06 0 ~ 04 OIOO 0.00 0.00 0 F 00 0. 10 CALH 0 0 CALH

0. 00 0.00

0. 00 0.00 TOTAL 1032 143 0 0 0 0 1175 87.83 12.17 0,00 0 00 0.00 0 00 F 100.00

12. 27 1. 70 0.00 0.00 0.00 0.00 13. 96

0 sd C

Page 7 of 18 TABLE 19 QOINT MIND FRE(UENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHANNA STEAN ELECTRIC STATION NETEOROLDGICAL REPORTS RUNDATE'/2 JOINT HIND FREQUENCY DISTRIBUTION SY STABILITY CLASS DATA PERIOD (YY/)9(/00/HH)( 91/01/01/01 - 91/1Z/31/24 STABILITY CLASS: PASQUILL G KEY XXX (RtE)ER OF OCCURRENCES DATA SOURCE: ON-SITE (P) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 10H )OCC PERCENT OCCURRENCES ALL CLASSES HIND NINO SPEED CATEGORIES (NETERS PER SECOND I HEAN SECTOR 0.0 1.5 1.5-3.0 3.0-5.0 5.0-7.5 7>5 10 ~ 0 >10 ~ 0 TOTAL SPEED 11 0 0 0 0 0 11 0.89 1 ~ 62 0 F 00 0.00 0.00 0.00 0.00 1.62 0.13 0.00 0 00 F 0.00 0.00 o.ao a'.L3 68 0 0 0 0 74 1. 08

10. 00 0.88 0 ~ 00 0.00 0. 00 0.00 10.88 0.81 0.07 0 F 00 0.00 0. 00 0.00 0. 88 355 90 0 0 0 0 445 1.Z4 52.21 13. 24 0.00 0.00 0. 00 0.00 65.44 4 '298 1.07 2

0.00 0

0 00 F

0 5.29 100 0.99 14.41 0.29 0.00 0.00 0.00 0.00 14. 71

l. 16 0 F 02 0.00 0

0 00 F

0 0 00 F

0 0.00 0

1. 19 20 0.87 ESE 20 0 2.94 0 ~ 00 0.00 0 ~ 00 0.00 0. 00 Z. 94 0 ~ 24 0.00 0.00 0.00 o.'ao a.oa 0.24 SE 10 0 0 0 0 0 10 0.98 le47 0 00 F 0.00 0+00 0.00 0.00 1.47 0 I 12 0.00 Oeaa 0.00 0.00 Oeaa 0.12 0 0 0 0 0 9 0. 91 1.32 a.oa 0.00 0.00 0.00 o.oa 1.32 0 ~ 11 0.00 0 ~ 00 0.00 0.00 0.00 0.11 0 0 0 0 0 1.03 0.59 0.00 0.00 0.00 0. 00 0.00 0 59

~

0.05 0.00 0.00 0 F 00 0.00 0.00 0 F 05 1 0 0 0 0 0 1 1. 01

0. 15 0.00 0 00 F 0 00 F 0.00 0.00 0.15 0 F 01 0. 00 a.aa 0.00 0.00 0.00 0.01 3 0 0 0 0 0 3 1.25 0.44 0.00 0.00 0.00 0.00 0.00 0.44 0.04 0.00 0 F 00 0 F 00 0.00 0.00 0.04 0 0 0 0 0 0 0 0.00 a.aa Oeaa 0.00 0 00

~ 0. 00 0.00 0.00 0 F 00 0 F 00 0.00 0.00 0.00 0.00 0 00 F

1 0 0 0 0 1 0.67

0. 15 0.00 0.00 0 F 00 0. 00 0.00 0. 15 0 ~ 01 0 F 00 0 00 F 0.00 0.00 0.00 0 F 01 0 0 0 0 0 0 0 0.00 0.00 0.00 0.00 0 F 00 0 ~ 00 0. 00 0. 00 0 F 00 o.aa a'.oo 0.00 0.00 0. 00 0.00 1 0 0 0 0 0 1 0.74 0.15 0.00 0.00 0.00 0. 00 0.00 0.15 0101 0.00 0 00 F 0.00 0.00 0.00 0.01 0 0 0 0 0 0 0 0.00 0 00 F 0 00 F 0 00 F 0 ~ OD 0 ~ 00 0.00 0.00 0.00 0.00 0 00 F 0.00 0 ~ 00 '

0.00 0.00 1 0 0 0 0 1 o.62 0.15 0 ~ 00 0 ~ 00 0.00 0. 00 0.00 0. 15

0. 01 0 00 F 0 ~ 00 Oeaa 0 F 00 0.00 0.01 CALN 0 0 CAL((

0.00 0. 00 0.00 0.00 TOTAL 582 98 0 0 0 0 680 1.16 85.59 14. 41 0 ~ 00 0.00 0 00 F 0.00 100. 00 6.92 1 ~ 16 0 00 F 0.00 0.00 0.00 8.08

Page 8 of 18 TABLE 19 JOINT MIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSCIUEHANNA STEAN ELECTRIC STATION WETEDRDLDGICAL REPORTS RUNDATE: I/22/<

JOINT WINO FREGUENCY DISTRI8UTION SY STABILITY CLASS DATA PERIOD IVY/t2)/DD/HH)t 91/01/01/01 - 91/12/31/24 ALL CLASSES KEY XXX )AMBER OF OCCURRENCES DATA SOURCE: ON-SITE (P ) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT) 10H XXX PERCENT OCCURRENCES ALL CLASSES HIND HIM) SPEED CATEGORIES lWETERS PER SECOta)) WEAN SECTOR 0.0-1.5 1.5 3.0 3.0-5.0 5.0-7.5 7. 5-10 0 ~ >10. 0 TOTAL SPEED 135 279 130 3 0 0 547 2. 27 1.60 3.32 1.55 0.04 0 ~ 00 0. 00 6. 50 1.60 3.32 1.55 0.04 0.00 0.00 6.50 392 298 55 0 0 0 745 1. 65 4.66 3.54 0.65 0.00 0 F 00 0.00 8.85 4 '6 1073 3.54 301 0 ~ 65 17 0.00 0

0.00 0

8.85 1391 l. 29 12.75 3. 58 0.20 0.00 0.00 0.00 lb.53 12.75 3. 58 0.20 0.00 0 00

~ 0.00 16.53 624 85 18 1 0 0 728 1.17

7. 42 1.01 0.21 0. 01 0.00 Ooaa 8.65 ESE 7 'Z 324 1,01 83 0.21 30 0.01 0

0 ~ 00 0

Ooaa 0

8.65 437 1.35

3. 85 0.99 0.36 D.aa 0.00 a.aa 5.19 3.85 0.99 0.36 0.00 0.00 0.00 5.19 SE 273 85 37 0 0 0 395 1.51 3.Z4 1.01 0. 44 0. 00 0.00 0. 00 4.69 3.24 199 1.01 139 0.44 28

0. 00 2

0 F 00 0

Oeaa 0

4 '9 368 1 ~ 69 2.37 1. 65 0. 33 0.02 0.00 0. 00 4.37 2 ~ 37 l. 65 Oe33 0'.az 0 F 00 0.00 4. 3'7 499 l. 96 198 232 64 5 0 0

2. 35 2.76 0.76 0. 06 0.00 0.00 5.93 2.35 2.76 0. 76 0.06 0.00 0.00 5.93 178 319 3.79 0.56 47

0. 00 0

0.00 0 0 544 6.47

l. 92 2.12 0+ 00 2.12 3.79 0.56 0. 00 0 ~ 00 0.00 6.47 85 414 334 50 0 0 883 Z. 90

1. 01 4.92 3.97 0.59 0.00 0.00 10.49 1.01 4.92 3.97 0.59 0 ~ 00 0,00 10.49 29 164 252 109 25 0 57') 3. 93 0 34 1.95 F 00 1.3D D.30 0.00 6. 88

~

0.34 21 1.95 64 3.00 114 1.30 61 0 '010 0.00 0

6. 88 270 0.25 0. 76 1.35 0.72 0 ~ 12 0.00 3. 21 0.25 0.76 1.35 0.72 OelZ 0.00 3. 21 11 57 50 14 0 0 132 3.21 0.13 0.68 0.59 0. 17 0 ~ 00 0.00 1.57 0.13 11 0.68 74 0.59 98 0.17 6

0.00 0

l.189 57 3.17

0. 13 0. 88 1. 16 0.07 0.00 0.00 2.25

0. 13 0. 88 l.163 16 0 ~ 07 29 Ooaa 0

0.00 0

2.25 322 3.34 12 118 0 ~ 14 1.40 1. 94 0.34 0 ~ 00 0.00 3.83 0.14 35 l.186 40 1. 94 149 0.34 15 0 00

~

0 0.00 0

3.83 385 2.84 0 ~ 42 2. 21 1. 77 0 ~ 18 0.00 0.00 4.58 0.42 Z. 21 1. 77 0 ~ 18 Oeaa 0.00 4.58 CALN 0 0 CALM 0 ~ 00 0.00 0.00 0.00 TOTAL 3600 2898 1586 Z95 35 0 8414 2.15 42.79 34.44 18.85 3.51 0.42 0. 00 100.00 42.79 34.44 18. 85 3.51 0.42 0.00 100.00 49

Page 9 of 18 TABLE 19 JOINT MIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSOUEHA)SIA STEAM ELECTRIC STATION METEOROLOGICAL REPORTS RIPIDATEI I/I JOINT HIND FREOUENCY OISTRISUTION FOR ALL HINDS DATA PERIOD ) YY/)9)/DD/NH)> 91/01/Ol/01 - 91/12/31/Z4 ALL HINDS KEY )OX NUMSER OF OCCURRENCES DATA SOURCE: OH SITE )P) XXX PERCEHT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT) 10M XXX PERCENT OCCURRENCES ALL HINDS HIND HIND SPEED CATEGORIES )METERS PER SECOND) MEAN sEGTOR o.o-1.5 1.5-3.0 3.0-5.0 5.0-7.5 7. 5-10. 0 >10. 0 TOTAL SPEED 153 29') 136 3 0 0 591 1.75 3.42 1 ~ 55 0.03 0.00 0.00 6.75 NE l.409 75 3.42 310

1. 55 58 0 '30 0.00 0

0 F 00 0

6.75 777 1.65 4.&7 3.54 0 66

~ 0. 00 0.00 0.00 8.88 4.67 3.54 0.66 0 ~ 00 0.00 0.00 8.8S 1086 12.41 304 3,4T a.24 21 0.00 0

0. 00 0

0.00 0 1411

16. 1R

l. 29 12.41 3. 47 0.24 0.00 0 F 00 0.00 16. 12 630 $5 19 1 0 0 735 1.17 7.20 0.')7 O.RZ 0.01 0.00 o.oa 8. 40 7.20 0.97 0 ~ 22 0 F 01 0 00 F 0>00 8. 40 ESE 331 85 32 0 0 0 448 1. 35 3.78 0.97 0 ~ 37 0.00 o.ao a.oo 5.1R

3. 78 0.97 0>37 0.00 0.00 0 F 00 5.12 SE 281 92 40 0 0 0 413 1.52

3. 21 3.21

1. 05

l. 05 0 '6 0.46 0.00 0.00 a.aa 0 F 00 0 00 F

0.00 4.7R 4.7Z 204 149 29 0 0 384 1. 69 2.33 1 ~ 70 0.33 0 02 F 0>00 Q>00 4,39 2.33 1. 70 0>33 0.02 0.00 0.00 4.39 219 245 64 5 0 0 533 2.50 Z.SO 0.73 0.06 0. 00 0.00 &.09 2.50 2.80 0>73 0.06 0.00 0 ~ 00 6.09 185 337 4S 1 0 0 571 1 ~ 93

2. 11 3.85 0.55 0.01 0.00 0.00 6.52

2. 11 3.85 0.55 0 F 01 0.00 0.00 6.52 90 427 339 51 0 0 907 2.89

1. 03 4. 88 3.87 0. 5$ 0.00 0.00 10.36

1. 03 4. 8S 3.87 0. 5S 0 00 F 0 F 00 10.36 30 168 261 121 31 0 611 4.00 0>34 1.92 2.98 38 0.35 0.00 6,98 0.34 21 1.92 67 2.9$

117 1 ~

1. 38 70 0.35 13 0.00 0

6 '8 28$ 4. 13

0. 24 0. 77 1.34 0.80 0.15 0. 00 3.29 0.24 0.77 1. 34 O.SO 0.15 0 ~ 00 3.29 11 5$ 50 17 0 0 136 3.27 0.13 0.66 0.57 0.19 0.00 0.00 1.55 0.13 11 0.66 77 0.57 100 0 ~ 19 9

0.00 0

l.197 55 3.20 0.13 0. S8 1.14 0.10 0.00 0. 00 2.25 0>13 0. 88 1. 14 0. 10 0.00 0 00 F 2.25 15 120 169 30 0 0 334 3.33 0>17 1.37 1.93 0.34 0. 00 0. 00 3.82

0. 1T 1.3T 1.93 0 ~ 34 0.00 0. 00 3.82 43 200 '5S 15 0 0 41& 2.80 0.49 2.29 1.$ 1 0.17 0.00 0.00 4.75 0 49 2.29 1.81 0. 17 0 00 0.00 4.75 CALM 0 0 CALM 0.00 0.00 a.ao 0.00 TOTAL 3719 3023 1641 325 0 8152 2. 16 42.49 34.54 18.75 3.71 0. 50 0.00 100.00 4R ~ 49 34.54 18.75 3. 71 0.50 0.00 100. 00 50

Page 10 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHANNA STEAN ELECTRIC STATION HETEOROLOGICAL REPORTS RUNOATE: 1/ZZ JOINT HIND FREQUENCY DISTRIBUTION SY STABILITY CLASS DATA PERIOD I YY/)9)/OD/HH): 91/01/01/01 - 91/12/31/24 STA8ILITY CLASS: PASQUILL A KEY XXX NU)E)ER OF OCCURRENCES DATA SOURCE: ON-SITE (P ) >OX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 60H XXX PERCENT OCCURRENCES ALL CLASSES HIHD HIND SPEED CATEGORIES IHETERS P ER SECOND) HEAN SECTOR 0.0-1.5 1.5-3.0 3.0-5.0 5.0-7 .5 7.5 10 ~ 0 >10 ~ 0 TOTAL SPEED 0 3 6 8 0 0 17 4.60 o.ao 0.67 1.33 1 ~ 77 0 ~ 00 0.00 3.77

0. 00 0.04 0. 07 0 ~ 10 0.00 0 F 00 0.20 0 6 7 0 0 0 13 3.17

0. 00 1.33 1.55 0.00 0.00 0 ~ 00 2. 88 0+00 1

0 '72 0. OS 0

0 F 00 0

0.00 0

0 ~ 00 0

0 ~ 15 3 1.7a

0. 22 0.44 0.00 0.00 0. 00 0.00 0. 67

0. 01 0.02 0.00 0.00 0.00 0 00 F 0.04 5 0 1 0 0 10 2.28 0.89 1.11 0 ~ 00 0 F 22 0 ~ 00 0.00 2.22 0 ~ 05 0,06 0.00 0.01 0.00 0 00 F 0. 12 ESE 0.22 0.01 1

l. 778 0.10 0.22 1

0 ~ 01 0.22 1

0 F 01 0.00 0.00 0

0.00 0 F 00 0

2.44 11

0. 13 SE 0 3 6 5 0 0 14 0 ~ 00 0 00 F

0.67

0. 04 1.33 0 ~ 01

l. 06 Oe 11 0.00 0.00 0 ~ 00

0. 00 3.10

0. 11 0 1 5 0 0 16 4.17

0. 00 0.89 0.05

l. 55 0.08 1.11 0.00 a.'oo 0.00 a.'ao 3.55 0 00 F 0 ~ 06 0.19 0 8 14 11 0 0 33 0.00 1. 77 3.10 2. 44 0.00 0.00 7.32 0.'aa 0. 10 0. 17 0.13 0.00 0,00 0.39 0 6 20 12 0 40 0 ~ 00 1.33 4I43 2. 66 0.44 0.00 8.87 0.00 0.07 0.24 Oel4 0.02 0 ~ 00 0.48 2 5 61 61 0 133 5. 01

0. 44 1.11 13. 53 13. 53 0.89 0,00 29 ~ 49 0.02 0.06 0.73 0 ~ 73 0.05 0.00 0

0.44 2 42

9. 31 17.74 80 ll Oooo 0.89 1 ~ 5S 139 30.82 5.85 0.00 0.02 0.50 0.95 0+05 1. 65 0 0 7 0 13 5.93 0.00 a.ao a.89 1.55 0.44 0.00 2.88 0.00 0. 00 0 ~ 05 0.08 0.02 Oooo 0. 15 1 0 2 0 0 0 3 3.43 0 ~ 22 0. 00 0 44 0. 00 0.00 0.00 0.67 0 ~ 01 0

0.00 0

0 '21 0.00 0

0.00 0

0.04 1 3.03 0.00 0.00 0.22 0.00 0.00 0.00 0.22 0.00 0.00 0. 01 0.00 0.00 0.00 0. 01 0 0 1 0 0 0 1

0. 00 0.00 0+22 0. 00 0.00 0.00 0 22

~

0.00 0.00 0.01 0. 00 0.00 0.00 0. 01 0 2 2 0 0 0 3 ~ 16 0 F 00 0. 44 0. 44 0. 00 0.00 0.00 0.89 0 F 00 0.02 0 ~ 02 0.00 0.00 0.00 0. 05 CALH 0 0 CALH 0.00 0.00 0 ~ 00 0.00 TOTAL 9 54 174 191 19 451 4.S9 2.00 11. 97 38. SS 42.35 4. 21 0.89 100.00

0. 11 0.64 2. 07 2. 27 0.23 0.05 5.36 51

0

\N

Page ll of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHAtNA STEAN ELECTRIC STATION METEOROLOGICAL REPORTS RlNOATE t 1/2 JOINT HIND FREQUENCY DISTRIBUTION 8Y STADILITY CLASS DATA PERIOD t YY/ttl/00/HNt t 91/01/01/01 91/12/31/24 STABILITY CLASS: PASQUILL 8 KEY XXX tAtMOER OF OCCURRENCES DATA SOURCE: ON-SITE IP) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGNTi 60H XXX PERCENT OCCURRENCES ALL CLASSES HIND HIND SPEED CATEGORIES IMETERS PER SECOND I HEAt(

SECTOR 0.0 1.5 1.5 3.0 3.0-5.0 5.0 7.5 7. 5-10. 0 >10 ~ 0 TOTAL SPEED 0.00 0

0 F 00

l. 24 0.05 4 '6 0 '8 15

l. 555 0.06 0

0 ~ 00 0 ~ 00 0 F 00 0.00 0 24 7 ~ 45 0.29 NE 0 9 8 2 0 0 19 3 ~ 35 0.00 2. 80 2. 48 0. 62 0.00 0.00 5. 90 0.00 1

0.11 13

0. 10 3

0.02 0

0. 00 0

0.00 0

0 '317 2.29 0.31 4.04 0 ~ 93 0. 00 0.00 0 ~ 00 5.28

0. 01 0. 15 0.04 0.00 0.00 0.00 0 '0 3 7 0 0 0 0 10 0.93 2. 17 0 F 00 0.00 0 00 F 0.00 3. 11 0.04 0.08 0.00 0.00 0.00 0.00 0 ~ 12 ESE 1 7 3 0 0 0 11 2.62 0 ~ 31 2. 17 0. 93 0.00 0 00 0 00 3.42 SE

0. 01 2

0.08 3

0 '4 1 0.00

~

0.00 0

F 0.00 0

0. 13 10 3.53 0.62 0. 93 0.31 1.24 0.00 0.00 3. 11 0.02 0. 04 0. 01 0.05 0.00 0.00 OI12 1 8 2 1 0 0 12 2.81 0+31 2.48 0 ~ 62 0. 31 0.00 0.00 3. 73 0 ~ 01 0. 10 0. 02 0. 01 0 F 00 0+00 0. 14 1 7 0 1 17 4. 09

0. 31 1. 24 2.17 1. 24 0.00 0.31 5.28 0 Ol

~ 0. 05 0. 08 0.05 Oe00 OIOI 0 F 20 0 8 17 9 0 0 34 4. 01 0.00 2.48 5.28 2.80 0 F 00 0 00 F 10.56 0.00 0+ 10 0.20 0.11 0 F 00 0.00 0.40 0 5 31 1 0 61 4. 74 0 00 1.55 9.63 7.45 0.31 0.00 18. 94 F

0.00 0

0.06 3

0 '728 0.29 29 0 ~ 01 5

0.00 3

0. 73 68 5.57 0.00 0. 93 8. 70 9. 01 1.55 0.93 Z1.12 0.00 0.04 0.33 0.34 0.06 0.04 0.81 0 1 5 0 0 10 4.86 0 F 00 0.00 0.31 0 ~ 01

l. 24 0.05 1.55 0.06

0. 00

0. 00 0.00 0.00 3.11 0.12 0 0 1 1 0 0 2 4.78 0.00 0.00 0. 31 0. 31 0 ~ 00 0.00 0. 62 0.00 0.00 0. 01 0.01 0.00 0.00 0.02 0 0 1 0 0 0 1 3.65

0. 00 0.00 0. 31 0. 00 0. 00 0.00 0.31 0 00 F 0.00 0.01 0.00 0 F 00 0.00 0 ~ 01 0 2 2 0 0 9 0.00 0.62 1.55 0.62 0.00 0.00 2.80 0 00 0.02 0.06 0.02 0+00 0.00 0 ~ 11 F

0. 00 0

1.86 6

Z.17 7 3

0. "t3 0.31 1

0.00 0

5.Z8 17 4 '7 0+00 Oe07 0.08 0 ~ 01 0.00 0.20 CALM 0 0 CALtt 0.00 0.00 0,00 0.00 TOTAL 9 80 133 89 7 322 4. 23 2.80 24. 84 41. 30 27. 64 Z. 17 1. 24 100.00

0. 11 0.95 1. 58 l. 06 0. 08 0.05 3.83 52

Page 12 of 18 TABLE 19 JOINT WIND FRE(UENCY DISTRIBUTION BY STABILITY CLASS SUSGUEHA)t)A STEAM ELECTRIC STATION METEOROLOGICAl REPORTS RUNDATE: 1/22.

JOINT WINO FREGUENCY QISTRI8VTION DY STADILITY CLASS DATA PERIOD ) YY/)tl/DD/HH) t 91/01/01/01 91/12/31/24 STADILITY CLASS: PASQUILL C KEY XXX NUMBER OF OCCURRENCES DATA SOURCE: ON-SITE IP) XXX PERCENT OCCURRENCES THIS CLASS WIND SENSOR HEIGHT: 60M XXX PERCENT OCCURRENCES ALL CLASSES WINO WINO SPEED CATEGORIES )METERS PER SECOND) MEAN SECTOR 0.0-1.5 1.5-3.0 3.0 5.0 5.0-7.5 7.5 10.0 >10.0 TO)'AL SPEED 0 11 0 0 0 F 00 2. 81 6.14 2.30 0 F 00 0.00 11. 25 0.00 0. 13 0.29 0. 11 0.00 0 F 00 0.52

'Ze 1 13 10 2 0 0 3. 15 0.26 3.32 2.56 0.51 0.00 0.00 6.65 0.01 5

0.15 10

0. 12 1

0. 02 0

0.00 0

0 F 00 0

0 '116 l. 96

1. 28 2.56 0.26 0.00 0 ~ 00 0.00 4.09 0.06 0. 12 0 F 01 0.00 0 ~ 00 0.00 0. 19 0 5 0 0 9 3.05

0. 00 0.00 1.28 0.06 0 '73 0.04

0. 26 0.01 1

0.00 0.00 0.00 0 00 F

2 ~ 30 0 ~ 11 ESE 4 3 0 0 0 0 7 1. 76

1. 02 0.77 0.00 0.00 0.00 Oe00 1.79

0. 05 0.04 0.00 0.00 0.00 0 00 F 0 F 08 SE 1 5 6 0 0 15 3.48 0.26 1. 2$ 1.53 0.77 0.00 0.00 3. 84 0 ~ 01 0.06 0.07 0 04 F 0.00 0.00 0 ~ 18 0 5 2 3 0 0 10 3.66 0.00 1. 28 0 ~ 51 0.77 0.00 Oe00 2.56 0 00 F 0.06 0.02 0 F 04 0 F 00 0.00 0. 12 0 10 6 0 0 24 3.97 0.00 2.05 2.56 1.53 0. 00 0 00

~ 6. 14 0.12 0 F 07 0 F 00 0 ~ 00 0.29 O.OD 2

0 ~ 51 ll O. 10

2. 81 2.56 10 1.2$

5

0. 00 0

Oo00 0

7 16

~

28 3.56

0. 02 0.13 0. 12 0.06 0.00 Oe00 Oe33 0 16 31 13 1 0 61 3.95 0.00 4. 09 7 ~ 93 3.32 0. 26 Oe00 15.60 0 00 F 0.19 0 ~ 37 0 ~ 15 0 ~ 01 10 0.00 0 '365 5.97

0. 00 0 00 F

0 0.51 0.02 2

5.63 0 '65 0.32 27

6. 91 2.56 0.12 1.02 Oe05 16 '2 0.77 0 1 18 2 0 26 5.67 0.00 0.26 1.2$ 4.60 0.51 0.00 6.65 0 00 F

0 0.01 0

0.06 10 0 ~ 21 1

0 '20 0 00 F

0 0.31 ll 0 ~ 00 Oe00 2. 56 0.26 0. 00 0. 00 2.81 0 00 F 0.00 0.12 0. 01 0.00 0.00 0+13 0 5 0 0 0 6 3.39 0.00 0.26 1. 28 0.00 0.00 0.00 0.00 0.00

l. 53

0. 07 0.00 0.01 0 ~ 06 0 00 F

0 2 7 8 0 0 17 0.00 0 00 F

0.51 0.02 l.

0.08 79 2.05 0.10 0+00 0 00 F

0.00 0 00 F

4.35 0.20 0 13 0 0 26 4.55 0 00 F 1.02 3.32 2.30 0.00 0.00 6,65 0.00 0.05 0 ~ 15 0 ~ 11 0.00 Oo00 0. 31 CALM 0 0 CALM 0.00 0.00 0.00 0.00 TOTAL 13 97 159 105 13 391 3 '2

0. 15 24.81 1.15 40 '6 1.89 26.85

1. 25 3.32 0.15

l. 02 0.05 100.00 4.65 53

Page 13 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHANNA STEAN ELECTRIC STATION HETEOROLOGICAL REPORTS RLNDATE:

JOINT HIHD FREQUENCY OISTRISVTION SY STABILITY CLASS I/ZZ/'ATA PERIOD I YY/)9)/DD/HH) t 91/01/01/01 - 91/12/31/24 STABILITY CLASS: PASQUILL D KEY XXX MPE)ER OF OCCURRENCES DATA SOURCE: ON-SITE )P) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 60H XXX PERCENT OCCURRENCES ALL CLASSES HIND HIND SPEED CATEGORIES (HETERS PER SECOND) HEAN SECTOR 0.0 1.5 1.5 3.0 3.0-5.0 5.0-7.5 7' 10 ' TOTAL SPEED NNE 0.36 12 78

2. 36 133

4. 02 2 ~

91 75 0.06 0.00 0 316

9. 56 3 '8 0.14 0.93 1. 5$ 1.0$ 0.02 0.00 3. 76 41 94 105 28 0 0 268 3.0$

1. 24 2.84 3.18 0.85 0.00 0.00 8.10 0.49 1. 12 1. 25 0.33 0.00 0.00 3 19

~

45 39 9 0 0 122 2.63 0 ~ $8 1.36 1. 18 0.27 0. 00 0. 00 3 ~ 69 0.34 0.53 0.46 0. 11 0.00 0.00 1.45 3L 34 39 0 117 2.91

0. 94 0 '719 1.03 0.40

1. 1$

0.46 0 '612 0.14 Oe01 1

0 ~ 03 0.00 0.00 1 ~ 39 ESE 31 Q6 16 0 0 102 3.20

0. 57 0. 94 1.09 0.4S 0.00 0.00 3 08 0.23 0. 37 0.43 0.19 0 F 00 0.00 1.21 SE 21 34 41 12 0 0 108 3.05 0.64 1.03 1. 24 0.36 0.00 0.00 3.27 0.25 0.40 0.49 0.14 0.00 0.00 l. 2S 33 29 11 0 120 3. 05 1.00 0. 88 1.33 0.33 0.09 0.00 3.63 0.39 24 0.34 27 0 '256 0.13 32 0.04 0

0.00 1

1 ~

140 43 0.73 0.82 1.69 0.97 0.00 0. 03 4.23 0.29 0.32 0.67 Oe38 0.00 0.01 le66 28 70 57 47 0 0 202 3.40 0.85 2.12 1 ~ 72 l. 42 0'.56 0.00 0.00 0'.00

6. 11 2.40 0.33 0.83 0.68 0.00 15 127 112 63 5 2 324 3.67

0. 45 3.84 3.39 1.33

l. 91 0.75 0.15 0.06 0.06 0.02 9.80 3+$ 5 0 ~ 1$ 1.51 5 65 116 168 74 18 446 5. 60 0.15 1. 97 3. 51 '5.08 2.24 0.54 13 49

~

0.06 0.77 1.38 2.00 0.8S 0. 21 5.30 2 32 69 105 43 16 267 5. 79 0.06 0.97 0.38

2. 09 0.82 3.18 i+25

l. 30 0.51 0.48

0. 19 8.07

3. 17 0.02 0 19 63 40 3 0 125

0. 00 0.57 1 ~ 91 1. 21 0.09 0.00 3 ~ 7$

0.00 0.23 0.75 0.48 0.04 0.00 1. 49 2 17 104 59 1 0 1$ '3

0. 06 0. 51 3. 14 1. 7$ 0.03 0.00 5.53

1. 24 0.00 2.1$

0 ~ 02 0 20 F 0 70

~ 01 0 262 4.61 0.00 0.00 0

0.$ 8 0 '448 127 3 ~ 84

1. 51 104 3+14

l. 24 0.06 0.02 2

0.00 0.00 7 '2 3.11 110 39 0 205 4.02 0.12 1.45 3.33 1. 18 0.12 0.00 6.20 Oe05 0.57 1. 31 0.46 0.05 0.00 2.44 CALH 0 0 CALH 0.00 0 00 F

0.00 0.00 TOTAL 266 ?79 1Z51 836 138 37 3307 4. 10 S.04 23.56 37 $ 3 25 ~ 2$ 4. 17 1. 12 100. 00

l. 64

~

3.16 9.26 14o87 9 ~ 94 0. 44 39 31

~

54

Page 14 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHA)NA STEAN ELECTRIC STATION HETEOROLOGICAL REPORTS RUHOATE: 1/22 JOINT HIND FREQUENCY DISTRIBUTION BY STABIlITY CLASS DATA PERIOD (YY/)9)/DD/HH)l 91/01/al/01 - 91/12/31/Z4 STABILITY CLASS: PASQUILL E KEY XXX )ARE)ER OF OCCURRENCES DATA SOURCE: ON-SITE lP) )OX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 60H XXX PERCENT OCCURRENCES ALL CLASSES HIND HIHO SPEED CATEGORIES IHETERS PER SECOND) HEAN SECTOR 0. 0-1. 5 1. 5-3. 0 3.0-5.0 5.0 7.5 7 ~ 5-10 ~ 0 >10. 0 TOTAL SPEED 45 178 2.45 2.16 0.53 S.53 2.12 2 '261 a.73 0.34 o.ae 7

0.00 0.00 0

0.00 0.00 0 291 13.95 3.46 65 114 51 5 0 0 235 2.25

3. 12 0.77 5.47 1.36

2. 44

0. 61 0.24 0.06

0. 00, 0.00 0.00 0.00 11 '7 2.79 55 43 18 2 0 0 118 1.97 2.64 2. 06 o.e& 0. 10 0.00 O.oa 5.6&

0.65 0.51 0. 21 0.02 0.00 0 00 F 1.40 45 35 8 1 0 0 89 1. $ 0 2.16 1,68 0. 38 0.05 0. 00 0 ~ 00 4.27 0.53 0.42 0 ~ 10 0. 01 0.00 0 ~ 00 1.06

l. 36 73 17 0.81 0 ~ 24 5 2

0. 10 0. 00 0

0.00 0 60 Z.es

l. 75

0. 43 0.20 0.06 0.02 0.00 0.00 0.71 SE 32 22 8 3 0 0 '65 1.53 1. 05 0.3$ 0.14 0. 00 0. 00 3.12 0.38 0.26 0.10 0.04 0.00 0 F 00 0,77 2.52

l. 36 73

0. 43 35

1. 68 0.42 1~

26 25 0.24 0.06 5

0 10

~

2

0. 00 o'.ao 0 104

4. 99

' 0 ~ 31 0,02 1. Z4 37 37 52 17 5 1 149 3.21

l. 77 0.44

l. 77 0'.44

2. 49 0.62 0.81

0. 20.

0. 24 0.06 0.05 0 01

~

7. 14

1. 77 38 83 82 45 1 0 249 3.32 1.82 3.9$ 3 ~ 93 Z. 16 0.05 0.00 11. 94 0.45 0.99 0 ~ 97 0. 53 0. 01 0.00 2. 96 26 113 99 45 2 0 2$ 5 3.37 1.25 5.42 4.75 2.1& 0.10 0.00 13.66

0. 31 7

1.34 38 I ~ 18 93

0. 53

$0 0 '26 0.00 0

3.39 224 0.34 1. 82 4 46

~ 3. 84 0.29 0.00 10.74 0.0$ 0.45 1. 11 0. 95 0.07 0.00 2.66 4 14 15 6 0 0 39 3.36 0.19 0.67 0 ~ 72 0.29 0.00 0.00 1.87 0.05 0. 17 0. 18 0.07 0.00 0.00 0. 46 7 9 5 1 0 0 22 2.25 0.34 0.43 0 24

~ 0.05 0.00 0.00 1.05 0.0$ 0.11 0.06 0.01 0.00 0.00 0.26 10 23 2 0 0 43 2,99 0.3$ 0.48 1.10 0.10 0. 00 0. 00 2. 06 0+ 10 0. 12 0 ~ 27 0.02 o'.aa a'.oo 0. 51 6 16 20 0 0 0.29 0.77 0. 96 0. 10 0.00 0 ~ 00 Z. 11 0.07 0. 1'9 0.24 0.02 0.00 0 00

~ 0. 52 43 16 0 0 69 2.71 0.29 2.06 0. 77 0.19 0.00 0 00 F 3.31 0.07 0. 51 0 ~ 19 0.05 0.00 0.00 0.82 CALH 0 0 CALH 0.00 0. 00 0.00 0.00 TOTAl. 453 807 582 227 16 1 2086 21.72 3$ .69 27. 90 10. 88 0. 77 0 F 05 100.00 5.39 9.59 6.9Z 2.70 0.19 0.01 Z4.80 55

Page 15 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSQUEHANNA STEAH ELECTRIC STATION HETEOROLOGICAL REPORTS RUNOATE: 1/ZZ/9 JOINT HIND FREQUENCY DISTRISUTION OY STABILITY CLASS DATA PERIOD (YY/ttCIDD/HH)) 91/01/01/01 - 91/12/31/24 STABILITY CLASS: PASQUILL F KEY Nm)ER OF OCCURRENCES DATA SOURCE: ON-SITE IP) PERCENT OCCURRENCES THIS CLASS HIHO SENSOR HEIGHT) 60H PERCENT OCCURRENCES ALL CLASSES HIND HIND SPEED CATEGORIES (HETERS PER SECOND) HEAN SECTOR 0.0-1.5 1.5-3.0 3.0-5.0 5 ~ 0-7.5 7.5-10.0 >10. 0 TOTAL SPEED 260 33 4.09 0.57 22 '3 3.09 2 ~ 81 0 '97 0.00 0 00 0

0.00 0.00 0

0. 00 0 341 29.02 2.18 96 F 0. 00 4.05 121 0 0 0 224 1.71

8. 17 10.30 0.60 0.00 0.00 0.00 19. 06

l. 50 14 1. 44 0.08 0.00 0.00 0 F 00 2.66 25 1 0 0 0 76 1.46 4.26 2. 13 0.09 0.00 0 00 0 F 00 6.47 0.59 41 0 ~ 30 15 0 ~ 01 0

0.00 0

~

0 00 F

0 0.00 0

0 '056 1 ~ 38 3 ~ 49 1. 28 0.00 0.00 0.00 0.00 4. 77 0.49 0. 18 0 00 F 0.00 0.00 0. 00 0.67 2 '934 0.51 0. 09 I 0.00 0 0 0 41 1.25

0. 00 0.00 3.49 0.40 0.07 0,01 0 00F 0 ~ 00 0.00 0.49 SE 34 14 0 0 0 0 48 1.34 2.89 1. 19 0.00 0. 00 0.00 0.00 4. 09 0.40 0<17 0+00 0.00 0 00 F 0.00 0.57

l. 21 79 15

1. 28 0. 17 2

0.00 0

0. 00 0

3.23 38 1.66 0.25 0.18 0 ~ 02 0.00 0.00 0+00 0.45

l. 02 12 26

2. 21 0.43 5

0.00 0 0 0 43 l. 97 0 '4

0. 00 0 F 00 3.66

0. 31 0.06 0.00 0.00 0.00 0. 51 19 34 25 0 0 80 1.62 2. 89 2. 13 0. 17 0. 00 0 '39 0.40 37 0 '030 0 ~ 02 0. 00 0 ~ 00 0 00 F

6.81

0. 95 3 0 0 79 2.87

0. 77 3. 15 2.55 0.26 0.00 0.00 6.72 Dell 5

Oo44 18 0.36 26 0 '49 0.00 0.00 0.94 0.43 l. 0 0 3.62 53 2 ~ 21 0.77 0. 00 0.00 4. 94 0.06 OeZI 0.31 0. 11 0 F 00 0.00 0 ~ 69 0 0 0 0 8 1.64 0.34 0. 34 0.00 0.00 0.05 1

0 '53 0.00 0

0.00 0

0.00 0.00 0

0.00 Oo00 0.68 0 ~ 10 0.09 0.26 0 1.78 0 F 00 0 F 00 0.00 0. 00 0.34

0. 01 Oe04 0 00 F 0.00 0 ~ 00 0.00 0.05 6 2 0 0 0 12 2.Z1 0 34

~ 0.51 0. 17 0.00 0.00 0.00 1.02 0+05 Oe07 0.02 0 F 00 Oe00 0.00 0.14 5 2 0 0 0 2.02 0.43 0.06 Oa51 0 ~ 07

0. 17 0 ~ 02 0.00 0 00F

0. 00 0.00 0.00 0 F 00

l. 13 0.15 11 7 38 9 0 0 0 0.60 3.23 0. 77 0.00 0.00 0. 00 4.60 0.08 Oe45 0. 11 0.00 0.00 0.00 0.64 CALH 0 0 CALH 0.00 0.00 0.00 0.00 TOTAL 390 62$ 143 14 0 0 1175 Z. 05

33. 19 53.45 12. 17 1. 19 0.00 0 00 F 100 ~ 00

4. 64 7a47 1.70 0.17 0.00 0 00 F 13.97 56

Page 16 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSOUEHA)NA STEAN ELECTRIC STATION HETEOROLOGICAL REPORTS Rl&OATE: 1/22 JOINT HIND PREl)UENCY DISTRIBUTION BY STABILITY CLASS DATA PERIOD I YY/)9)/OD/HH) ( 91/01/01/01 - 91/12/31/24 STABILITY CLASS: PASt)MILL G KEY XXX )ARMER OF OCCURRENCES DATA SOURCE: ON-SITE (P) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT) 60H XXX PERCENT OCCURRENCES ALL CLASSES NING HIND SPEED CATEGORIES IHETERS PER SECOND) HEAM SECTOR 0.0-1.5 1.5-3.0 3.0-5.0 5.0-7.5 7.5-10.0 >10.0 TOTAL SPEED 18 178 13 0 0 0 209 2.18 R. 65 26 ~ 18 1 ~ 91 0.00 0.00 0 ~ 00 30 ~ 74 0.21 2. 12 0.15 0.00 0.00 0 ~ 00 2. 48 NE 36 98 2 0 0 0 136 1.82 5.29 14. 41 0.29 0.00 0.00 0. 00 20.00 Oe43 loll Oe02 0.00 0.00 0. 00 1.62 4 '533 0.39 2.65 0.21 18 0 F 00 0.00 0

0.00 0.00 0

0. 00 0

0.00 0 51

7. 50 1.40

0. 00 0.00 0.61 28 7 0 0 0 0 35 1.32 4 ~ 12 1.03 0. 00 0.00 0.00 0.00 5. 15 Oo33 0 ~ 08 0.00 0.00 0 00 F 0 00 F 0.42 ESE 24 9 1 0 0 0 34 1.41 3.53 1.32 0. 15 0 F 00 0.00 0.00 5.00 0+29 0. 11 0.01 0.00 0 00 F 0.00 0.40 SE 2.65 18

0. 88 0.00 0

0.00 0

0. 00 0 l. 33 3.53 0+21 0.07 Oa00 0 F 00 0.00 0. 00 0.29 7 7 0 0 0 0 14 1.41 1.03 i+03 0.00 0.00 0.00 0.00 2. 06 0.08 0.08 0 00 F 0.00 0 ~ 00 0.00 0 17

~

9 30 1 0 0 0 40 1.32 4.41 0 ~ 15 0.00 0.00 0.00 5. 88 0.11 Oo36 0.01 0.00 0.00 0.00 0.48 3 36 7 0 0 0 46 2.34 0.44 5+29 1 ~ 03 0.00 Oo00 0 F 00 6.76

0. 04 Oo43 0.08 0.00 0.00 0.00 0.55 0 19 9 0 0 0 28 0.00 2.79 1.32 0. 00 0.00 0.00 4.12 Oe00 0

0.23 0.11 10 0 ~ 00 0 F 00 0.00 0 '316 0 ~ 00 0 F 00 0 '9 0.02 2

1.47 0.12

0. 59 0.05 4

0.00 0.00 0 0 0 ~ 00 0.00 2+35 4.02

0. 19 1 0 0 0 0 0 1 1.01

0. 15 0.00 0. 00 0.00 0.00 0.00 0.15 Oo01 0 00 F 0+00 0.00 0.00 0+00 0 ~ 01 0 1 0 0 0 0 1 1. 83 0.00 0 ~ 15 0. 00 0.00 0.00 0.00 0. 15 0 F 00 0+01 0.00 0.00 0.00 0.00 0.01 1 1 0 0 0 0 2 1.62 0 ~ 15 0. 15 0.00 0.00 0.00 0.00 0.29

0. 01 0e01 0 00 F 0. 00 0.00 0.00 0 F 02 0 2 1 0 0 0 3 Z.52 0.00 0.29 0. 15 0.00 0.00 0.00 0. 44 0.00 0.02 0. 01 0 F 00 0. 00 0.00 0. 04 29 7 0 0 0 40 2.38 0.59 4.26 1. 03 0 00 F 0.00 0.00 5. 88 0+05 0.34 0. OS 0.00 0.00 0+00 0. 4S CALH 0 0 CALH 0.00 0. 00 0.00 0.00 TOTAL 182 443 51 0 0 680 Z6. 76 65.15 7.50 0.59 0. 00 0.00 100.00 R. 16 5.27 0.61 0 05 F 0.00 0+00 8. OS 57

Page 17 of 18 TABLE 19 JOINT MIND FRE(UENCY DISTRIBUTION BY STABILITY CLASS

'USGUEHAWA STEAN ELECTRIC STATION HETEOROLOGICAL REPORTS RUNOATE: 1/22>

JOINT HIHO FREGUENCY DISTRISUTION SY STASILITY CLASS DATA PERIOD )YV/W/DD/HH): 91/01/Ol/Ol - 91/12/31/24 ALL CLASSES KEY XXX )AINSER OF OCCURRENCES DATA SOURCE: ON SITE (P) XXX PERCENT OCCURRENCES THIS CLASS HIND SEHSOR HEIGHT! 60H XXX PERCENT OCCURRENCES ALL CLASSES HIND HIM) SPEED CATEGORIES (HETERS PER SECOND) HEAN SECTOR 0. 0-1.5 1.5-3.0 3.0-5.0 5.0-7.5 7.5-10 ' >10.0 TOTAL SPEED 123 712 285 120 2 0 1242 1.46 8.46 3.39 1.43 0. 02 0.00 14. 76 1.46 239 8.46 455 3.39 190

l. 43 37 D.02 0

0.00 0

14.76 921 2.36

2. 84 5.41 2.26 0. 44 0. 00 0.00 10.95

2. 84 5.41 2.26 0'.44 0>00 0>00 10. 95 174 156 62 11 0 0 403 2.01

2. 07 1. 85 0 ~ 74 0. 13 0>00 0>00 4>79

2. 07 1. 85 0.74 0. 13 0.00 0.00 4.79 152 108 50 15 1 0 326 2.12 1.81 1.2$ 0. 59 0. 18 0. 01 0.00 3.8S 1.81 1.28 0.59 0.18 0 ~ 01 0>00 3.88 119 81 47 19 0 0 266 25

1. 41 1.41 0.96 0.96 0.56 0.56 0.23 0.23 0.00 0.00 0>00 0.00 3 '6 3.16 2 ~

SE 108 87 62 27 0 0 '284 1.28

1. 2$

1.03 l.103 03 0.74 0.74

0. 32

0. 32 0.00 0>00 0.00 0.00 3 'S 3.3$

9S 83 25 5 0 314 2. 70

1. 17 l.8317 1.22 l.140 22 0.99 0.99 0>30 0.30

0. 06 0.06 0,00 0.00 3 '3 3.73 145 70 5 3 446 3.Z4 0.99 0>')9

l. 66 1.66 1.72 1>72 0.83 0.83 0.06 0>06 0.04 0.04 5.30 5.30 90 24S 218 120 3 0 679 3.30 1.07 1.07 2.95 Z. ')5 2.59 2.59

l. 43 l.209 43 0.04 0.04 0.00 0>00 e.07 8.07 52 322 373 13 2 971 3.76 0.62 3.83 4.43 2.48 0>15 0.02 11.54 0.62 17 3.83 130 4.43 337 2>48 397

0. 15 106 0 02 F

29 ll.

1016 54 5.26

0. 20 0.20

l. 55

4. 01

4. 01 4.72 4.72

1. 26 l.47 0 '4 0.34 12.08 12.08 ll

0. 13 52 0.62 1>15 97 l.141 68 0.56 26 16

0. 19 364 4 ~ 33 5.39 0.13 9

0.62 32

l. 15 81 l.43 68 0>56 3

0. 19 0

4.33 16$ 4.05

0. 11 0. 38 0>96 0.51 0 04

~ 0>00 2.00 0.11 0. 38 0.96 0.51 0>04 0>OD 2 F 00 15 35 136 61 1 0 Z4S 4.00

0. 18 0.42 1.62 0.73 0.01 0.00 2.95 0 18 0.42 1.62 0.73 0.01 0.00 2.95

~

11

0. 13 57

0. 68 l.163 94 116

1. 38 0.02 2

0.00 0 349 4.15 4 '0

0. 13 21

0. 68 170 l.164 94 1. 3$

55 0>02 5

0,00 0

4.15 415 0.25 0.25 2 'Z 2.02 1.95 1.95 0.65 0.65 0.06 0 06 F

0. 00 0 ~ 00 4.93 4>93 CALH 0 0 CALN 0.00 0.00 0.00 0 F 00 13ZZ 2888 2493 1466 193 50 8412 3.40 TOTAL 15.72

15. 72

34. 33 34.33 29 ~ 64

29. 64 17.43 17.43 2 '9 2.29 0.59 0>59 100.00 100. 00 58

ll, Page 18 of 18 TABLE 19 JOINT WIND FREQUENCY DISTRIBUTION BY STABILITY CLASS SUSGUEHA)t)A STEAN ELECTRIC STATION HETEOROLOGICAL REPORTS RLNDATE I 1/22 JOINT HIND FREt)UENCY DISTRIBUTION FOR ALL HINDS DATA PERIOD l YY/)tVOD/HH): 91/01/01/Ol 91/12/31/24 ALL HINDS KEY XXX NIGER OF OCCURRENCES DATA SOURCE: ON-SITE IP) XXX PERCENT OCCURRENCES THIS CLASS HIND SENSOR HEIGHT: 60H XXX PERCENT OCCURRENCES ALL HINDS MIND HIND SPEED CATEGORIES (HETERS PER SECOND I HE AN SECTOR 0. 0-1.5 1.5 3.0 3.0 5.0 5.0-7.5 7.5-10.0 TOTAL SPEED 1R9 733 305 123 2 0 1292 1.47 8.38 3. 49 1.41 0 F 02 0. 00 14. 77 1.47 8.3S 3. 49 1.41 0.02 0.00 lb. 77 242 460 205 38 0 0 945 2.38 2.77 5.2& 2.34 0. 43 0.00 Oooo 10.80 2.77 5.2& 2.34 0.43 0.00 0.00 10.80 177 159 65 14 0 0 415 2.05 2+02

2. 02 1.82 1.82

0. 74

0. 74 0.1&

0.16 a.oo 0.00 0.00 0.00 4 '4 4.74 15R 109 53 15 1 0 330 Z.15 l.

1,74 74 1. 25 l.8125

0. 61

0. 61 0.17

0. 17 0.01

0. 01 0 00 F

0 00 F

3.77 3.77 121 4S 20 0 0 270 Z. 26 1 ~ 3$ 0.93 0.55 0.23 0.00 0.00 3.09

1. 3$ 0.93 0.55 0.23 a.ao o'.oa 3.09 SE 110 91 65 2$ 0 0 294 2.49 1.R6 1.26

l. 04 l.106 04

0. 74 0.74 0 ~ 32 0.32 0.00 0.00 Oooo 0.00 3.36 3.36 101 29 5 0 331 2.74 le15 1 21 1.03 0.33 0. 06 0.00 3,7$

l.8415 l.145

~

21 1. 03 150 0.33 71

0. 06 5

0.00 3

3.78 45$ 3.23 0.96 1.66 1.71 0.$ 1 0.06 0.03 5.23 0.96 91

1. 66 261 l.22$

71 Oobl 124 0 ~ 06 3

0+03 1

5.23 708 3. 30

l. 04

1. 04 2+98 2.98 2.61

2. 61 1.42 1.42

0. 03 0.03 0.01

0. 01 8.09

$ .09 56 341 392 214 14 2 1019 3. 74 0.64 3. 90 4.4$ 2.45 0. 16 0.02 11.65 0.64 3+90 4.4S Z.45 0. 16 0.02 11. 65 18 13$ 349 412 110 34 1061 5.2$

0 ~ 21 0 ~ 21 l.

l. 5S 5S 3.99

3. 9')

4.71 4.71 1.26 1.26 0 ~ 39

0. 39

12. 13 12.13 11 54 9$ 151 51 20 385

0. 13

0. 13 0.62 Oe62

l. 12

1. 12

1. 73

l. 47 73

0. 5S 0e5$

0 0

'3

'30 4.40 4+40 9 33 $3 3 175 4.10

0. 10 0.38 0.95 0. 54 0.03 Oooo 2.00 0.10 15 Oo38 36 0.95 139

0. 54 66 0 '3 0 00 F

0 2.00 257 0.17 0.17 0 41

~

0.41 1.59 i+59

0. 75 0.75 0.01 1

0 ~ 01 0 ~ 00 0 00 F

2 '4 2.94 11 5$ 170 lib 2 0 359 4.31

0. 13

0. 13 0 ~ 66 0 '6 l. 94 l.180 94 1.35

l. 56 35 0 ~ 02 0 '25 0. 00 0.00 4.10 4 '0 24 185 0 450 3. 41 0.27 Ro 11 2.06 0. 64 0.06 0.00 5.14 Oe27 Roll 2,06 0. 64 0 '6 Oooo 5.14 CALH 0 0 CALN 0.00 0.00 0.00 0.00 TOTAL 1351 R990 2620 1526 202 60 8749 3.42

15. 44 34elb 29. 95 17.44 Z. 31 0 69 100.00 15m 44 34+18 29.95 17.44 2 ~ 31 Do&9 100. 00 59

k AVERAGE METEOROLOGICAL RELATIVE CONCENTRATION ANALYSIS DATA PERIOD s 01/01/91 TO 12/31/91 FIXED AND SPECIAL DISTAlCES DISPERSION ANALYSIS siii RADIOLOGICAL EFFLUENT DISPERSION PROGRAH ADSSES )CNDAP10)

FOR CALENDAR YEAR 1991 SUSQUENA)8)A STEAH ELECTRIC STATION) LUZERNE COLR)TYp PA PENNSYLVANIA POWER A LIGHT COMPANY) ALLENTOWN> PA DATE 07-FED-92 ADSSES DEVELOPED 8Y MODIFICATION OF DAM PROGRAM ANDIFF AFFECTED SECTORS

)8)E NE ENE E ESE SE SSE S SSH 0.5 MILES I.805 KH) 6.7E-06 6.0E-06 3.1E-06 1.7E-06 9.%-07 1.4E-06 2.5E-06 3.6E-06 6.7E-06 1.3E-OS 3.3E-05 2.1E-05 1.1E-05 1.0E-05 6.7E-06 6.3E-06 6.1E-06 5.5E-06 2.8E-06 1.6E-06 9.1E-07 1.3E-06 2.3E-06 3.3E-06 6.1E-06 1.1E-05 3.1E-05 1.9E-05 1.0E-05 9.3E"06 6.2E-06 5.7E-06 2.6E-08 4.0E-08 2.8E-08 1 ~ 3E-08 6 %-09 9.2E-09 1.8E-08 2.0E-08 2.6E-08 3.0E 08 5.1E 08 3.4E 08 2.3E 08 2.4E 08 1.9E 08 2.2E-08 6.7E-06 6.0E-06 3. IE-06 1.7E-06 9.%-07 1.4E-06 2.5E-06 3.5E-06 6.7E-06 1.2E-05 3.3E-05 2.1E-05 1.1E-05 1.0E-05 6.7E-06 6.3E-06 6.7E-06 6.0E-06 3.1E-06 1.7E-06 9.%-07 1.4E-06 2.5E-06 3.6E-06 6.7E<<06 1.2E-OS 3.3E-05 2.1E-05 1.1E-05 1.0E-05 6.7E-06 6.3E-06 6.1E-06 5.5E-06 2. 8E-06 1.6E-06 9.1E-07 1.3E-06 2.3E-06 3.2E-06 6.1E-06 1.1E-05 3.1E-05 1.9E-05 1.0E-05 9.3E-06 6.1E-06 5.7E-06 6.1E-06 5.5E-06 2.8E-06 1.6E-06 9.1E-07 1.3E-06 2.3E-06 3.2E-06 6.1E-06 1.1E-05 3.1E-05 1.9E-05 1.0E-05 9.3E-06 6.1E-06 5.7E-06 805. 805. 805. 805. 805. 805. 805. 805. 805. 805. 805. 805. 805. 805. 805. 805.

1.5 MILES IZ 41 KH)

~

2.1E-06 1.5E-06 1.3E-06 1.4E-06 1.2E-06 6.2E-07 2.9E-07 1.6E-07 2.8E-07 4.4E-07 6.6E-07 1.4E-06 2.7E-06 8.0E-06 3.8E-06 2.3E-06 1.2E-06 1.0E-06 5.2E-07 2.5E-07 1.4E-07 2 4E-07 3.7E-07 5.6E-07 1.2E-06 2.3E-06 6.8E-06 3.2E-06 1.9E-06 1.8E-06 1.3E-06 1.1E-06 4.5E-09 '7.0E-09 4.9E-09 1.9E-09 9.9E-10 1.5E-09 2.7E-09 3.1E-09 4.6E-09 5.5E-09 1.1E-08 5.1E-09 3.9E-09 4.2E-09 3.5E-09 3.8E-09 1.4E-06 1 ~ ZE-06 6.1E-07 2.%-07 1.6E-07 2.8E-07 4.4E-07 6.6E-07 1.4E-06 2.7E-06 8.0E-06 ATE-06 2.2E-06 2 'E-06 1.5E-06 1.3E-06 1.4E-06 1.2E-06 6.2E-07 2.9E-07 1.6E-07 2.8E-07 4.4E-07 6.6E-07 1.4E-06 2.7E-06 8.0E-06 3.7E-06 2.3E-06 2.1E-06 1.5E-06 1.3E-06 1.2E-06 I.OE-06 5.2E-07 2.5E-07 1.4E-07 2.4E-07 3.7E-07 5.6E-07 1.2E-06 2 'E-06 6.7E-06 3.1E-06 1.9E-06 1.8E-06 1.3E-06 1.1E-06 1.2E-06 I.OE-06 5.2E-07 2.5E-07 1.4E-07 2.4E-07 3 'E-07 5.6E-07 1.2E-06 2.3E-06 6.8E-06 3 'E-06 1.9E-06 1.8E-06 1.3E-06 1.1E-06 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414. 2414.

2.5 MILES l4.02 KH)- Kl 7.0E-07 6.2E-07 3.1E-07 1.3E-07 6.6E-08 1.2E-07 Z.OE-07 2 'E-07 6.5E-07 1.3E-06 4.1E-06 1.7E-06 1.0E-06 9.7E-07 7.1E-07 6.7E-07 m 5.6E-07 5.0E-07 2.5E-07 1.1E-07 5.3E-08 9.5E-08 1.6E-07 2-3E-07 5.2E-07 1.0E-06 3.3E-06 1.4E-06 8.1E-07 7.8E-07 1.5E-09 1.7E-09 5.7E-07 5.4E-07 1 AiE-09 1.7E-09 r-Z.OE-09 3.2E-09 Z.ZE-09 7.9E-10 3.8E-10 6.0E-10 1.1E-09 1.3E-09 1.9E-09 2.2E-09 4.8E-09 2.0E-09 ~

tsl 6.9E-07 6 'E-07 3.0E-07 1.3E-07 6-6E-08 1.2E-07 2 OE-07 2-9E-07 6 'E-07 1.2E-06 4.0E-06 1.7E-06 9.9E-07 9.6E-07 7.0E-07 6.6E-07 7.0E-07 6.2E-07 3.1E-07 1.3E-07 6.6E-08 1.2E-07 2.0E-07 2.9E-07 6.ijE-07 1.3E-06 4.IE-06 1.7E-06 1.0E-06 9.7E-07 7.1E-07 6.6E-07 5.7E-07 5.3E-07 C FO O

5.6E-07 4.9E-07 2.4E-07 1.1E-07 5.3E-08 9.4E-08 1.6E-07 2.3E-07 5.1E-07 1.0E-06 3.2E-06 1.4E-06 8.0E-07-7.7E-07 8.0E-07 7.8E-07 5.7E-07 5.3E-07 Tsl 5.6E-07 5.0E-07 2.5E-07 1.1E-07 5.3E-08 9.5E-08 1.6E-07 2.3E-07 5.2E-07 1.0E-06 3.3E-06 1.4E-06 4023m 4023. 4023. 4023. 4023. 4023. 4023. 4023. 4023. 4023'023. 4023. 4023. 4023. 4023. 4023. C) 3.5 MILES t5.63 KH) 9.1E-07 5.5E-07 5.6E-07 3.8E-07 3.6E-07 3.8E-07 3o5E-07 1.8E-07 7.2E-08 3.5E-08 5.5E-08 1.0E-07 1.4E-07 3.2E-07 6.8E-07 2.2E-06 3.0E-07 Z.TE 07 1.4E-07 5.6E-08 2.7E-08 4.3E-08 7.9E-08 1.1E-07 2.5E-07 5.3E-07 1.7E-06 7.1E-07 4.3E-07 4.3E-07 3.0E-07 2.8E-07 1.0E-09 1 ~ 7E-09 1.3E-09 4.0E-10 1.9E-10 2.6E-10 5.4E-10 5.8E-IO 8.6E-10 1.1E-09 2.3E-09 9.5E-10 7.5E-10 8.8E-10 7.0E-10 8.7E-10 3.8E-07 3.5E-07 1.8E-07 7.1E-08 3.5E-08 5.5E-08 1.0E-07 le4E-07 3.2E-07 6.7E-07 2.2E-06 8.9E-07 5.4E-07 5.5E-07 3.8E-07 3.6E-07 3.8E>>07 3.5E-07 1.8E-07 7.2E-08 3.5E-08 5.5E-08 I.OE-07 1.4E-07 3.2E-07 6.8E-07 2.2E-06 9.1E-07 5.5E-07 5.6E-07 3.8E-07 3.6E-07 2.9E 07 2.7E-07 1.4E-07 5.5E 08 2.7E-08 4.2E-08 7.8E-08 1.1E-07 2.4E-07 5.2E-07 1.7E-06 6.9E-07 4.2E-07 4.2E 07 2.9E 07 2.8E 07 2 'E-07 4.2E-07 4.3E-07 2.9E-07 2.8E-07 2.9E-07 2.7E-07 1.4E-07 5.6E-08 2.7E-08 5632. 56'32 '632 '632. 5632 4.3E-08

'632. 7.8E-08 5632 1.1E-07

'632. 5632.

5.3E-07 5632.

1.7E-06 5632.

7.0E-07 5632. 5632. 5632 '632. 5632. CD TOTAL OOS - 8760 TOTAl. INV ODS - 172 CALMS LOWER LEVEL 0.0 KEYs ENTRY 1 RELATIVE CONCENTRATION - XOQ )S/Miiis3) ENTRY 2 DEPLETED RELATIVE CONCENTRATION (S/Hiiii3)

ENTRY 3 RELATIVE DEPOSITION RATE I I/Mwii2) ENTRY 4 DECAYED XOQ )S/M<<ii3) HALF LIFE 2.26 DAYS ENTRY 5 DECAYED XOQ IS/)Psis3) - HALF LIFE 8.00 DAYS ENTRY 6 DECtDPL XOQ tS/M+<3) - HALF LIFE 2.26 DAYS ENTRY 7 DECiDPL XOQ lS/)Piii3) - HALF LIFE 8.00 DAYS ENTRY 8 - DISTAt)CE IN METERS

AVERAGE HETEOROLOGICAL RELATIVE CONCENTRATION ANALYSIS DATA PERIOD: 01/01/91 TO 12/31/91 FIXED AND SPECIAL DISTA)RES DISPERSION ANALYSIS ++ RADIOLOGICAL EFFLUENT DISPERSION PROGRAH ADSSES )Ct)DAP]0)

FOR CALENDAR YEAR 1991 SUSQUEHAtR)A STEAN ELECTRIC STATION) LUZERNE COLZ)TY>> PA PE)R)BYLVANIA PONER A LIGHT COHPANY) ALLENTONNg PA DAT'E 07-FEB-92 ADSSES DEVELOPED BY HODIFICATION OF DAH PROGRAH ANDIFF AFFECTED SECTORS tftf NE ENE E ESE SE SSE S SSH N 4.5 HILES I7.24 2.6E-07 2.5E-07 1.3E-07 4.8E-OS 2.0E-OS 3.1E-OB 5.4E-OS 8.7E-OS 1 ~ 9E-07 4.2E-07 1.5E-06 6.0E-07 3.6E-07 3.6E-07 2.7E-07 2.5E-07 2.0E-07 1.9E-07 9.9E-OB 3.6E-OS 1.5E-OS 2.3E-OS 4.]E-OS 6.5E-OS 1.4E-07 3.2E-07 1.1E-06 4.5E-07 2.7E-07 2.7E-07 2.0E-07 1.9E-07 6.7E-]0 1.]E-09 8.6E-10 2.5E-10 1.0E-10 1.4E-10 2.7E-10 3 3E-10 4.7E-10 6.1E-10 1.4E-09 5.7E-10 4.6E-10 5.3E-10 4.6E-10 5.6E-10 2.6E-07 2.5E-07 1.3E-07 ~

4.7E-OS Z.OE-OS 3.0E-OS 5.4E-OS 8.6E-OS 1.9E-07 4.1E-07 1.5E-06 5.8E-07 3.5E-07 3.5E-07 2.6E-07 2.4E-07 2.6E-07 2.5E-07 1.3E-07 4.8E-OS 2.0E-OS 3.0E-OS 5.4E-OS 8.7E-OS 1.9E-07 4.2E-07 1.5E-06 5.9E-07 3.6E-07 3.6E-07 2.7E-07 2.5E-07 1.9E-07 1.SE-07 9.8E-OS 3.5E-OS 1.5E-OS 2.3E-OS 4.0E-OS 6.4E-OS 1.4E-07 3.1E-07 1.1E-06 4.4E-07 2.6E-07 2.7E-07 2.0E-07 1.8E-07 Z.OE-07 1.9E-07 9.9E-OS 3.6E-OS 1.5E-DS 2.3E-OS 4.]E-OS 6.5E-OS 1.4E-07 3.1E-07 1.1E-06 4.4E-07 2.7E-07 2.7E-07 7241. 7241. 724]. 7241. Z.OE-07 1.9E-07 724]o 724]. 7241. 7241. 7241. 7241. 7241. 7241. 7241. 724]. 7241. 724].

7.5 HILES l]Z.07 KHI-1.2E-07 1.ZE-07 6.1E-OS 2.]E-OS 6.7E-09 9.4E-09 1.7E-OS 3.2E-OS 7.2E-OB 1.7E-07 6.5E-07 2.4E-07 1.5E-07 1.6E-07 1.3E-07 1.6E-07 8.3E 0$ S.ZE-OS 4.3E 08 1.5E-OS 4.7E-09 6.6E-09 1.2E-OS 2.2E-OS 5.0E-OS 1.2E-07 4.5E-07 1.6E-07 1.]E"07 1.1E-07 B.BE-OS 1.1E-07 2.6E-10 4.5E-10 3.5E-10 9.7E-11 3.1E-11 3.7E-11 7.7E-11 1.0E-10 1.5E-10 Z.OE-10 4.7E-10 1.8E-10 1 6E-10 1 9E-10 1.8E-10 2.9E-10 1.2E-07 1.ZE-07 6.0E-OS 2.0E-OS 6.6E-09 9.2E-09 1.7E-OS 3.1E-OS 6.9E-OS 1.7E-07 6.2E-07 2.2E-07

~ ~

1.5E-07 1 5E-07 1.2E>>07 1.5E-07 1.2E-07 1.2E-07 6.1E-OS 2.]E-OS 6.7E-09 9.4E-09 1.7E-OS 3.2E-OS 7.]E-OB 1.7E-07 6.4E-07 2.3E-07

~

1.5E-07 1.6E-07 1.3E-07 1.5E-07 8.]E-OS S.OE-OS 4.2E-OS 1.4E-OS 4e6E-09 6.4E-09 1.2E-OB 2.2E-OS 4.8E-OS ].2E-07 4.3E-07 1.6E-07 1.0E-07 1.1E-07 8.5E-OS 1.0E-07 S.2E-DB 8.]E-OS 4.3E-OS 1.5E-OS 4.7E-09 6.5E-09 1.2E-OS 2.2E-OS 4.9E-OS 1.2E-07 4.5E-07 1.6E-07 1.1E-07 1.1E-07 8.7E-OS 1.1E-07 12068. 1206S. 12068. 1206S. 1206S. 1206$ . 12068. 1206$ . 12068. 12068. 12068. 12068. 12068. 12068. 12068. 12068. C 15.0 HILES )24.1 KH) l Z.OE-OS 2.6E-OS Z.OE-OS 4.6E-09 1.5E-09 2.2E-09 3.6E-09 3.8E-09 1.3E-OS 2.8E-OS 1.0E-07 3.5E-OS 2.9E-OS 3.2E-OS 2.4E-OS 2.3E-OS KI 1.2E-OS 1.6E-OS 1.2E-OS 2.8E-09 9.2E-]0 ]o3E"09 Z.ZE-09 2.3E-09 7.7E-09 1.7E-OS 6.2E-OS 2.2E-OS 1.8E-OB 2.0E-OS 1.5E-OS ].4E-OS ttl 3.2E-11 7.6E-11 8.6E-11 1.6E-11 5.5E-12 6.8E-]2 1.3E-11 9.7E-12 2.0E-11 2.4E-11 5.1E-11 1.9E-11 2.3E-11 2.9E-11 2.5E-11 3.3E-11 I C) 1.9E-OS 2.5E-DS ].9E-OS 4.3E-09 1.4E-09 2.]E-09 3.5E-09 3.6E-09 ].ZE-OS 2.6E-OS 9.3E-OS 3.2E-OS 2.7E-OS 2.9E-OS 2.2E-OS 2.2E-OB r

-E m 2.0E-OB 2.6E-OS 1.9E-OS

].ZE-OS 1.5E-OS 1.2E-OS 1.2E-DS 1.6E-OS 1.2E-OS 24]35. 24135. 24135.

4.5E-09 2.7E-09 1.5E-09 2.2E-09 S.SE-]0 1.3E-09 Z.SE-09 9.]E>>]0 1.3E-09 24135. 24135. 24135.

3.6E-09 2.2E-09 2.2E-09 3.8E-09 2.2E-09 2.3E-09 24135. 24]35.

1.2E-OS 2.8E-OS 9.8E-OS 3.4E 08 2.9E-OS 7.2E-09 ]o6E-08 5.7E-OS 2.0E-OS 1.6E-OS 7.6E-09 1.7E-OS 6.0E-OS 2.]E-OS 1.8E-OS 24135. 24]35. 24135. 24135. 24]35.

3.1E-OS

].SE-OS 1.9E-OS 24135.

2.4E-OS 1.4E-OS 1.5E-OS 2.3E-OS 1.3E-OS 1.4E-OS 24]35. 24135.

(

m o CO 25.0 HILES I40.2 KH) 3,4E-09 3.6E-09 5.9E-09 1.3E-09 4.4E-]0 3.]E-]0 5.7E-]0 6.]f-]0 2. 1E-09 6.5E-09 1.7E-OS 4.2E-09 5.2E-09 4.3E-09 3.6E-09 5.3E-09

].SE-09 2.0E-09 3.3E-09 6.9E-10 Z,I0E-]0 1,7E-10 3,1E 10 3.4E 10 ].ZE-09 3.6E-09 9.2E-09 2.3E-09 2.9E-09 2.4E-09 2.0E-09 2.9E-09 4.2E-]2 8.]f-]2 Z.lf-ll 3.6E-12 1.3E-12 7.6E-13 1.6E-12 1.2E-12 2. 6E-12 4.2E-]2 6.3E-12 1.7E-12 3.1E-12 3.0E-12 2.9E-12 5.8E-12 3.0E-09 3.3E-09 5.6E-09 1 IE-09 4.1E-10

~ 2.9E-IO 5.4E-10 5.6E-10 1.9E-09 5.7E-09 1.5E-OB 3.6E-09 4.4E-09 3.7E-09 3.ZE-09 4.7E-09 3.3E-09 3.5E-09 5.8E-09 1.2E-09 4.4E-10 3.0E-10 5.6E-10 6.0E-10 2.1E-09 6.3E-09 1.6E-OB 4.0E-09 5.0E-09 4.]E-09 3.5E-09 5.]E-09 1.7E-09 1.8E-09 3.0E-09 6.3E-10 2.3E-ID 1.6E-10 2.9E-10 3.1E-10 1.0E-09 3.1E-09 8.1E-09 2.0E-09 2.4E-09 Z,OE-09 1.7E-09 2.6E-09 1.8E-09 1.9E-09 3.2E-09 6. 7E-10 2.4E-10 1.7E-10 3.1E-]0 3.3E-10 1. 1E-09 3.4E-09 8.9E-09 2.2E-09 2.7E-09 2.3E-09 1.9E-09 2.8E-09 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225. 40225.

CD TOTAL OBS - S760 TOTAL INV OBS - 172 CALHS LOWER LEVEL 0.0 KEY) ENTRY 1 RELATIVE COttCENTRATION - XOQ t~w3) ENTRY 2 DEPLETED RELATIVE CONCENTRATION IS/Hw<3)

ENTRY 3 RELATIVE DEPOSITION RATE (]/HNWZ) ENTRY 4 DECAYED XOQ )5/H+<<3) - HALF LIFE 2.26 DAYS ENTRY 5 DECAYED XOQ tS/HID) - HALF LIFE 8.00 DAYS ENTRY 6 DEC+DPL XOQ tS/H<<3) - HALF LIFE 2.26 DAYS ENTRY 7 DECtDPL XOQ tS/H~3) - HALF LIFE 8.00 DAYS ENTRY 8 - DISTAtKE IN HETERS O

CO

0 fl 4i l

AVERAGE HETEOROLOGICAL RELATIVE CIA:ENTRATIDN ANALYSIS DATA PERIOD: 01/01/91 TO ]2/3]/9]

FIXED AND SPECIAL OISTAtLES DISPERSION ANALYSIS iiii RADIOLOGICAL EFFLUENT DISPERSION PROGRAN AOSSES ICtIDAP]0)

FOR CALENDAR YEAR 1991 SUSQUEHAWL STEAH ELECTRIC STATION) LUZERNE COINTYi PA PE&ISYLVANIA POHER A LIGHT COHPANY) ALLENTOHNi PA DATE 07-FES-92 ADSSES DEVELOPED BY NODIFICATION OF DAH PROGRAH ANDIFF AFFE CTED SECTORS E ESE SE SSE S SSH SH HSH H )9BI NH )SSI N 35.0 HILES I56.3 KH)-

S.SE-10 9.1E-10 1.5E-09 2.6E-IO 6.0E-11 5.8E-11 1 ~ 2E-10 1.5E-10 3.6E-10 8.4E-]0 3.6E-10 5.5E-10 1.3E-09 9.5E-10 6.]E-]l 7.6E-]l ].SE-]0 2].OE-09 3.5E-09

~ OE-09 4.4E-]0 4.6E-IO '7.6E-]0 1.3E-10 3.0E-]1 2.9E-]l ].BE-09 4.2E-]0 ].BE-]0 2.7E-]0 6.5E-]0 9.2E-]3 1.7E-]2 4.4E-]2 6.2E-]3 1.5E-]3 1.2E-]3 2.9E-]3 2.5E-]3 3.6E-]3 ].IE-12 1.]E-]2 Z.BE-]3 1.7E-]3 3.]E-]3 8.5E-]3 4.8E-]0 8.5E-]3 7e6E-]0 S.RE-]0 1.4E-09 2 3E-10 5.4E-]1 5.]f-ll 1.]E-]0 1.3E-]0 3.]f-]0 1.7E-09 2.9E-09 6.7E-]0 R.BE-]0 4.4E-]0 1.]E-09 8.]E-]0

~

8.5E-10 B.BE-]0 ].5E-09 2.5E-]0 5.SE-I] 5.6E-]l ].ZE-]0 1.5E-]0 3.5E-]0 1.9E-09 3.4E-09 7.9E-]0 3:3E-]0 5.]E-]0 1.2E-09 9.]f-]0 3.8E-IO 4.]f-]0 6.9E-10 1.1E-10 2.7E-11 R.6E-]1 5.5E-11 6.7E-11 1.6E-10 8.5E-10 1.5E-09 3.4E-10 ].4E-]0 2.2E-10 5.4E-]0 4.]E-10 4.3E-10 4.4E-10 7.4E-10 1. 2E-10 2. 9E-11 Z.SE-11 5. 9E-11 7.3E-11 1. 7E-10 9. 7E-10 1. 7E-09 4.0E-10 1. 7E-10 2.6E-10 6. 2E-10 4.6E-10 56315. 56315. 56315. 56315. 56315+ 56315. 56315. 56315. 56315. 56315. 56315. 56315. 56315. 56315. 56315. 56315.

45.0 NILES I 72.4 KN)-

3.5E-]0 3.]E-10 5.3E-]0 S.ZE-]l 1.4f-ll S.3E-]2 3.7f-ll 6.5E-]l 1.]E-]0 8.2E-10 B.BE-]0 2.]E-]0 8.7E-]1 1.3E-]0 4.2E-]0 2.7E-]0 1 6E-10 1.4E-10 2.5E-10

~ 3.8E-11 6.6E-12 3.9E-]R 1.7E-11 3.0E-11 5.0E-11 3.8E-10 4.1E-]0 9.6E-11 4.1E-11 6 2E-11 Z.OE-10 ].Zf-]0 3.]f-]3 4.9E"13 1.3E-]2 1.7E-]3 3.]E-]4 1.5E-]4 7.7E-]4 9.5E-]4 9.0E-]4 3.6E-]3 2.2E-]3 5.7E-]4 3.5E-]4 6 3E-14 2.3E-]3

~

Z.OE-]3 2.9E-]0 2.7E-10 4.7E-]0 7.0E-]l 1.2f-ll 7o]f-]2 3.3E-]l 5.6E-]1 S.7E-]l 6.5E-]0 6.9E-]0 1.6E-IO 6.5E-]l ].OE"10 3.3E-]0 ~

2.2E-]0 3.3E-10 3.0E-10 5.1E-10 7.8E-11 1.4E-11 7 ')E-12 3.6E-11 6.2E-11 1.0E-]0 7.7E-10 8.2E-10 1.9E-10 S.OE-11 1.2E-10 3.9E-10

~ R.5E-10 1.3E-10 1.2E-IO 2.2E-10 3.2E-11 5.8E-IZ 3.3E-12 1.5E-11 2.6E"11 4.0E-11 3.0E-10 3.2E-10 7.3E-11 3.0E-11 4.7E-11 1.5E-10 1.0E-10 1.5E-]0 1.4E-10 2.4E-10 3.6E-11 6.4E-1R 3 7E-12 1.7E-11 2.9E-11 4.7E-)) 3.6E-10 3.8E-10 8.9E-11 3.7E-11 5 BE-11 1.8E-10

~ 1.2E-10 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405. 72405.

0.4 HILES I0.644 KH) 8.3E-06 8.3E-06 4.2E-06 2.3E-06 1.4E-06 2.0E-06 3.3E-06 4.7E-06 9.5E-06 1.8E 05 4.6E 05 3.0E 05 1.5E 05 ].4E-05 8.9E 06 S.BE 06 7.7E-06 7.7E-06 3.9E-06 2.2E-06 1.3E-06 1.9E-06 3.0E"06 4.4E-06 S.BE-06 1.6E-05 4.3E-05 Z.SE-05 1.4E-OS 1.3E-05 8.2E-06 8.]E-06 m 3.4E-OB 5.6E-OS 3.9E-OS 1.8E-OS 1.0E-OS 1.3E-OS 2.4E-OS 2.7E-OS 3.8E-OS 4.2E-OS 6.9E-OB 4.8E-OS 3.2E-OB 3.4E-OS 2.5E-OS 3.2E-OB 8.3E-06 8.3E-06 4.2E-06 2.3E-06 ].4E-06 R.OE-06 3.2E-06 4.7E-06 9.5E-06 ].BE-05 4.6E-05 3.0E-05 1.5E-05 1.4E-05 S.BE-06 B.BE-06 I 8.3E-06 8.3E-06 4.2E-06 2.3E-06 1.4E-06 2.0E-06 3.3E-06 4.7E-06 9.5E-06 1.8E-05 4.6E-05 3.0E-05 1.5E-05 ].4E-05 8.9E-06 S.BE-06 m 7.7E-06 7.6E-06 3.9E-06 2.ZE-06 1.3E-06 1.9E-06 3.0E-06 4.4E-06 B.BE-06 1.6E-05 4.3E-05 2.8E-05 1 AiE-05 1.3E-05 S.ZE-06 8.1E-06 C lO o

~

7.7E-06 7.6E-06 3.9E-06 2.2E-06 1.3E-06 1.9E-06 3.0E-06 4.4E-06 B.SE-06 1.6E-05 4 'E-05 2.8E-05 1~ 4E-05 1 3E-05 8.2E-06 8.1E-06

~

m 644. 644. 644. 644. 644. 644. 644. 644. 644. 644. 644. 644. 644.

0.6 HILES l0.965 KH)- Cl 5.2E-06 4.8E-06 R.3E-06 1.3E-06 7.6E-07 1.1E-06 1.9E-06 2.8E-06 5.4E-06 1.0E-05 2.8E-05 1.7E-05 B.BE-06 7.9E-06 5.2E-06 4.9E-06 4.7E-06 4.3E-06 2.]E-06 1.2E-06 6.9E-07 I.OE-06 1.8E-06 2.5E-06 4.8E-06 9.1E-06 2.5E-05 1 5E-05 B.OE-06 7.2E-06 4.7E-06 4.5E-06

2. OE-08 3. ]E-OS R. ]E-08 9.5E-09 5.1E-09 6.9E-09

~

1.3E-OS 1.5E-OS 2.0E-OS 2.4E-OS 4.3E-OB 2.7E-OB 1.8E-OB 1.8E-OB ].4E-OS 1.7E-OB m 5.]E-06 4.7E-06 2.3E-06 1.3E-06 7.6E-07 1.1E-06 1.9E-06 Z.SE-06 5.3E-06 1.0E-05 2.8E-05 1.7E-05 S.BE-06 7.9E-06 5.2E-06 4.9E-06 5.2E-06 4.7E-06 2.3E-06 1.3E-06 7.6E"07 1.1E-06 1.9E-06 2.8E-06 5.3E-06 1.0E-05 2.8E-05 1.7E-05 B.BE-06 7.9E-06 5.2E-06 4.9E-06 4.7E-06 4.3E-06 2.]E-06 1.2E-06 6.9E-07 1.0E-06 1.8E-06 2.5E-06 4.8E-06 9.1E-06 2.5E-05 1.5E-05 7.9E-06 7.2E-06 4.7E-06 4.5E-06 4.7E-06 4.3E-06 2.1E-06 1.2E-06 6.9E-07 1.0E-06 1.8E-06 2.5E-06 4.8E-06 9.1E-06 2.5E-05 1.5E-05 B.OE-06 7.2E-06 4.7E-06 4.5E-06 965. 965. 965. 965. 965. 965. 965. 965. 965. 965. 965. 965. 965. 965. 965. 965.

C)

TOTAL OBS - 8760 TOTAL INV OBS - 172 CALNS LONER LEVEL - 0.0 KEY: ENTRY 1 RELATIVE COIICENTRATION - XOQ IS/Nw>3) ENTRY 2 DEPLETED RELATIVE COtKENTRATIOtt IS/Nsii3)

ENTRY 3 RELATIVE DEPOSITION RATE I]/Nww2) ENTRY 4 DECAYED XOQ IS/N<N3) - HALF LIFE 2.26 DAYS ENTRY 5 DECAYED XOQ IS/H<+3) - HALF LIFE 8.00 DAYS Et)TRY 6 DECiDPL XOQ IS/N+<<3) - HALF LIFE 2.26 DAYS ENTRY 7 DECiDPL XOQ IS/NsA3) - HALF LIFE 8.00 DAYS ENTRY 8 - DISTAtICE IN NETERS

AVERAGE HETEOROLOGICAL RELATIVE CONCENTRATION ANALYSIS DATA PERIOD: 01/01/91 TO 12/31/91 FIXED AND SPECIAL DISTAtCES DISPERSION ANALYSIS IIII RADIOLOGICAL EFFLUENT DISPERSION PROGRAt) ADSSES )CNDAP]0)

FOR CALENDAR YEAR 1991 SUSQUEHAtWA STEAN ELECTRIC STATION) LUZERt)E COUNTYI PA PE)NSYLVANIA POHER A LIGHT COHPANY) ALLENTONNI PA DATE 07-FEB-92 ADSSES DEVELOPED BY HODIFICATION OF DAH PROGRAH ANDIFF AFFECTED SECTORS

)NE NE ENE E ESE SE SSE S SSH )NH N 0.7 HILES tl.]Z6 KHI-4.3E"06 3.8E-06 1.9E-06 1.0E-06 6.0E-07 9.0E-07 1.6E-06 2.2E-06 4.3E-06 8.3E-06 2.2E 05 1.3E-05 6.8E-06 6.2E 06 4.4E 06 3.9E-06 3.9E-06 3.4E-06 1.7E-06 9.3E-07 5.3E-07 S.OE-07 1.4E-06 2.0E-06 3.8E-06 7.4E-06 Z.OE-05 1.1E-05 6.1E-06 5.5E-06 3.9E"06 3.5E-06 1.6E-OS 2.4E-OS 1.6E-OS 7.4E-09 3.9E-09 5.5E-09 1.1E-OB 1.2E-OS 1.6E-OS 1.9E-OS 3.4E 08 Z.OE 08 1.3E-OS ].4E 08 1.2E-OS 1.3E 08 4.3E-06 3.8E-06 1.9E-06 1.0E-06 6 'E-07 8.9E-07 1.6E-06 2.2E-06 4.3E-06 8.3E-06 2.2E-05 1.3E-05 6.7E-06 6.2E-06 4.4E-06 3.8E-06 4.3E-06 3.8E-06 1.9E-06 1.0E-06 6.0E-07 9.0E-07 1.6E-06 2.2E-06 4.3E-06 8.3E-06 2.2E-05 1.3E-05 6.7E-06 6.2E-06 4.4E-06 3.8E-06 3.8E-06 3.4E-06 1.7E-06 9.3E-07 5.3E-07 S.OE-07 ].4E-06 Z.OE-06 3.8E-06 7.I0E-06 2.0E-05 1.1E-05 6.0E-06 5.5E-06 3.9E 06 3.4E-06 3.9E-06 3.4E-06 1.7E-06 9.3E-07 5.3E-07 S.OE-07 ].4E-06 2.0E-06 3.8E-06 7.4E 06 Z.OE 05 1.1E 05 6.0E-06 5.5E-06 3.9E-06 3.4E-06 1126 '126.. 1126. 1126. 1126. 1126. 1126. 1126. 1126. 1126. 1126. 1126 '126 '126. 1126. 1126.

0. 8 HI LES I 1. 287 KH )

3.4E-06 3.2E-06 1.6E-06 8.6E-07 5.2E-07 8.1E-07 1.3E-06 1.8E-06 3.6E-06 6.9E-06 1.9E-05 1.0E-05 5.9E-06 5.6E-06 3.6E-06 3.3E-06 3.0E-06 2.8E-06 1.4E-06 7.6E-07 4.6E-07 7.2E-07 1.2E-06 1.6E-06 3.2E-06 6.1E-06 1.7E-05 8.9E-06 5.2E-06 4.9E-06 3.2E-06 2.9E-06 1.2E-OS 2.0E-OS 1.4E-OS 6.0E-09 3.3E-09 4.8E-09 8.7E-09 9.5E-09 1.3E-OS 1.6E-OS 2.9E-OS 1.6E-OS 1.1E-OS 1.2E-OS 9.5E-09 1.1E-OB 3.4E-06 3.2E-06 1.6E-06 8.5E-07 5.]E-07 S.OE-07 1.3E-06 1.8E-06 3.6E-06 6.9E-06 1.9E-05 1.0E 05 5.8E 06 5.5E 06 3.6E-06 3.3E-06 3.4E-06 3.2E-06 1.6E-06 8.6E-07 5.2E-07 8.]E-07 1.3E-06 1.8E-06 3.6E-06 6.9E-06 1.9E-OS ].OE-05 5.9E-06 5.6E-06 3.6E-06 3.3E-06 3.0E-06 Z.BE-06 1.4E-06 7.6E-07 4.6E-07 7 IE-07 1.2E-06 1.6E-06 3.2E-06 6.1E-06 1.7E-05 8.9E-06 5.2E-06 4.9E-06 3.2E-06 2.9E-06 3.0E-06 2.8E-06 ].4E-06 7.6E-07 4.6E-07 7.2E-07 1.2E-06 1.6E-06 3.2E-06 6.1E-06 1.7E-05 8.9E-06 5.2E-06 4.9E-06 3.2E-06 2.9E-06 1287. 1287. 1287. 1287. 1287. 1287. 1287. 1287 '287. 1287. 1287. 1287. 1287. 1287. 1287. 1287.

. 0.9 HILES l].448 KH)-

3.0E-06 2.7E-06 1.3E-06 7.0E-07 4.2E-07 6.5E-07 1.1E-06 1.6E-06 3.0E-06 5.8E-06 1.7E-05 B.SE-06 5.0E-06 4.5E-06 3.2E-06 2.7E-06 2.6E-06 2.3E-06 1.2E-06 6.2E-07 3.7E-07 5.7E-07 9.8E-07 1.4E-06 2.6E-06 5.1E-06 1.5E-05 7 7E 06 4.4E 06 4.0E-06 2.8E"06 2.3E-06

1. 1E-08 1. 6E-08 1. 1E-08 4.8E-09 2.7E-09 3.8E-09 7.2E-09 7.9E-09 1.1E-OS 1.3E-OS 2.6E-OS 1.3E-OS 9.5E-09 9.9E-09 8.2E-09 8.6E-09 2.9E"06 2.7E-06 1.3E-06 7.0E-07 4.2E-07 6.5E-07 1.1E-06 1.6E-06 3.0E-06 5.7E-06 1.7E-05 8.7E-06 4 'E-06 4.5E-06 3.2E-06 2.6E-06 3.0E-06 2.7E-06 1.3E-06 7.0E-07 4.2E-07 6.5E-07 1.1E-06 1.6E-06 3.0E-06 5.7E-06 1.7E-05 B.SE-06 5.0E-06 4.5E-06 3 'E-06 2.7E-06 2.6E-06 2.3E-06 1.2E-06 6.1E-07 3.7E-07 5.7E-07 9.8E-07 1.4E-06 2.6E-06 5.0E-06 1.5E-05 7.7E-06 4.3E-06 4 'E-06 USE-06 2.3E-06 2.6E-06 2.3E-06 ].ZE-06 6.ZE-07 3.7E-07 5.7E-07 9.8E-07 1.4E-06 2.6E-06 5.1E-06 1.5E-05 7.7E-06 4.4E-06 4.0E-06 2 'E-06 2.3E-06

]448. 144S. ]448. ]448. 144S. 1448. ]448. ]448. 1448. 1448. ]448. 144S. ]448. ]448. ]448. 144S.

1.0 HILES l].609 KH) 2.6E-06 2.2E-06 1.2E-06 5.7E-07 3.3E-07 5.5E-07 8.7E-07 1.3E-06 2.5E-06 4.9E 06 1.4E 05 7 ]E 06 4 OE-06 3.8E-06 2.8E-06 2 2E-06

~ ~ ~

2.3E-06 1.9E-06 1.0E-06 4.9E-07 2 'E-07 4.8E-07 7.6E-07 1-1E-06 2.2E-06 4.3E-06 1.2E-05 6.2E-06 3.5E-06 3 'E-06 2 'E-06 1 9E-06

~

9.2E-09 1 ~ 3E-08 9.8E-09 3.8E-09 2.1E-09 3.2E-09 5.5E-09 6.5E-09 8.7E-09 1.1E-OS 2.1E-OS 1.1E-OS 7.5E-09 8.1E-09 7.1E-09 7.1E-09 2.6E-06 2.2E-06 ].ZE-06 5.6E-07 3.3E-07 5.5E-07 8.6E-07 1.3E-06 2.5E-06 4.9E-06 1.4E-05 7.0E-06 4 'E-06 3 'E-06 2 'E-06 2.2E-06 2.6E-06 2.2E-06 1.2E-06 5.6E-07 3.3E-07 5.5E-07 8.7E-07 1.3E-06 2.5E-06 4.9E-06 1.4E-05 7.]E-06 4.0E-06 3 'E-06 USE-06 2.2E-06 2.3E-06 1.9E-06 1.0E-06 4.9E-07 2.9E-07 4.8E-07 7.6E-07 1.1E-06 2.1E-06 4.3E-06 1.2E-05 6.2E-06 3.5E-06 3.3E-06 2.4E-06 1.9E-06 1.9E-06 1.0E-06 4.9E-07 2.9E-07 4.8E-07 7.6E-07 1.1E-06 2.1E-06 4.3E-06 1.2E-05 6.2E-06 3.5E-06 3 'E-06 2 'E-06 1.9E-06 2.3E-06 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609. 1609 '609. 1609.

TOTAL OBS - 8760 TOTAL INV OSS - 172 CALHS LOWER LEVEL 0.0 KEY: ENTRY 1 RELATIVE CONCENTRATION - XOQ IS/HIIII3) ENTRY 2 DEPLETED RELATIVE CONCEt)TRATION (S/HIIII3)

ENTRY 3 RELATIVE DEPOSITION RATE l]/HIIIIZ) ENTRY 4 DECAYED XOQ IS/HIIII3) - HALF LIFE 2.26 DAYS ENTRY 5 DECAYED XOQ tS/HIIII3) - HA).F LIFE 8.00 DAYS ENTRY 6 DEC00PL XOQ IS/HKII3) - HALF LIFE Z.Z6 DAYS ENTRY 7 DEC0DPL XOQ IS/)9III3) - HALF LIFE 8 ~ 00 DAYS ENTRY 8 - DISTANCE IN HETERS

AVERAGE HETEOROLOGICAL RELATIVE COtKENTRATION ANALYSIS r DATA PERIOD t Ol/01/91 TO 12/31/91 FIXED At)0 SPECIAL DISTA)KES DISPERSION ANALYSIS ww RADIOLOGICAL EFFLUEl)T DISPERSION PROGRAH ADSSES tCttDAP10)

FOR CALENDAR YEAR 1991 SUSQUEHAt&A STEAN ELECTRIC STATION) LUZERNE CO%)TY> PA PEt&SYLVANIA POHER A LIGHT COHPANY) ALLENTOWN> PA DATE 07-FEB-92 ADSSES DEVELOPED BY HODIFICATION OF DAH PROGRAH ANDIFF AFFECTED SECTORS tZ)E NE ENE E ESE SE SSE S SSH SH HSH H HtA) Q4 Nt)H N SITE Btm)ARY 3.2E-06 3.8E-06 1.5EL06 B.OE-07 9.1E-07 2.5E-06 4.0E-06 5.9E-06 B.BE-06 6.5E-06 1.4E-05 1.3E 05 8.1E-06 7.2E-06 5.3E-06 5.1E-06 2.9E-06 3.4E-06 1.3E-06 7.1E-07 8.3E-07 2.4E-06 3 'E-06 5.5E-06 B.ZE-06 5.8E-06 1.2E-05 1.2E-05 7.3E-06 6.5E-06 4.8E-06 4.6E-06 1.2E-OB 2.4E-OB 1.2E-OB 5.6E-09 6.3E-09 1.7E-OB 3.0E-OB 3.4E-OB 3.5E-OB 1.5E-OB Z.OE-OB 2.1E-OB 1.6E-OB 1.7E-OB 1.4E-OB 1.8E-OB 3.2E-06 3.8E 06 1.5E-06 B.OE 07 9.1E-07 2 'E-06 4.0E-06 5.9E-06 B.BE-06 6.5E-06 1.4E 05 1.3E 05 8.]E 06 7.1E 06 5.3E-06 5.0E 06 3.2E-06 3.8E-06 1.5E-06 B.OE-07 9.1E-07 2.5E-06 4.0E-06 5.9E-06 B.BE-06 6.5E-06 1.4E-05 1.3E-05 8. 1E-06 7. 1E-06 5.3E-06 5. 1E-06 2.9E-06 3.4E-06 1.3E-06 7.1E-07 2.9E-06 3.4E 06 1.3E-06 7.1E 07 1335. 1128. 136$ . 1335.

8.3E-07 8.3E-07 853.

2 'E-06 3.7E-06 5.5E-06 8.1E-06 5.7E-06 2 'E-06 3.7E 06 5.5E-06 8.2E 06 5.8E-06 549. 549. 549. 671 ~ 1335.

1.2E-05 1.2E-05 7.3E-06 6.4E-06 4.8E-06 4.6E-06 1.2E 05 1.2E 05 7.3E-06 6.4E 06 4.8E 06 4.6E 06 1641. 1094. 1014. 1030. 949. 949.

(

m NEAREST DAIRY ANIHALS IPER 1991 LANOM CENSUS)- -

2.2E"07 2.1E-07 1.7E-07 4.8E-OB 5.8E-OB 1.1E-07 4.4E-OB 1.2E-07 4.5E-07 3.5E-07 5.4E-06 5.0E-07 1.7E-06 3.1E-07 3.0E-07 2.2E-07 1.7E-07 1.6E-07 1.3E-07 3.6E-OB 4.6E-DB 8.7E-OB 3.3E-OB 8.9E-OB 3.5E-07 2.6E-07 4.4E-06 3.7E-07 1.4E-06 2.3E-07 2.3E-07 1.7E-07 m 5.5E-10 '9.3E-10 1.2E-09 2.5E-10 3.2E-10 5.5E-10 2.2E-10 4.6E-10 1.3E-09 4.9E-10 6.9E-09 4.6E-10 2.8E-09 4.3E-10 5.2E-10 4.9E-10 Z.ZE-07 2.1E-07 1.7E-07 4.7E-OB 5.7E-OB 1.1E-07 4.3E-OB 1 2E-07 4.4E-07

~ 3.5E-07 5 3E-06 4.9E-07 1.7E-06 3.0E-07

~ 2.9E-07 2.2E-07 2 ~ ZE-07 2 ~ 1E-07 1 ~ 7E-07 4 ~ BE-08 5.7E-OB 1.1E-07 4 4E-08 ~ 1 2E-07 4.5E-07

~ 3.5E-07 5.4E-06 5.0E-07 1 7E-06 3 1E-07

~ ~ 3 OE-07

~ 2.2E-07 1.6E-07 1.6E-07 1.3E-07 3.5E-OB 4.5E-OB 8.7E-OB 3.2E-OB B.BE-DB 3.5E-07 2.6E-07 4.4E-06 3.6E-07 1.4E-06 2.2E-07 2.2E-07 1.6E-07 1.6E-07 1.6E-07 1.3E-07 3.6E-OB 4.6E-OB 8.7E-OB 3.2E-OB 8.9E-OB 3.5E-07 2.6E-07 4.4E-06 3.7E-07 1.4E-06 2.3E-07 2.2E-07 1.6E-07 8045. 8045. 5953. 7Z41. 4344. 4183 '045. 6275. 4827. 8045. 3218. 8045. 2896. 8045. 6758. 8045.

NEAREST GARDENS tPER 1991 LAND-USE CENSUS)-- - Kl 1.7E-06 6.9E-07 3.6E-07 3.3E-07 7.7E-OB 1.1E-06 1. 1E-06 1.1E-06 1.9E-06 2.1E-06 1.2E-OS 3.8E-06 6.8E-06 1 6E-06 3.2E-07 4.3E-07

~

1.5E-06 5 'E-07 3.0E-07 2.8E-07 6.3E-OB 1.0E-06 9.8E-07 9.6E-07 1 7E-06 1.7E-06 1. 1E-05

~ 3.2E-06 6.1E-06 1 3E-06 2.4E-07 3.4E-07

~

I C7 r-5.8E-09 3.6E-09 2 7E-09 2 1E-09 4.4E-10 6 9E-09 7.2E-09 5.5E-09 6.5E-09 4.0E-09 1.8E-OB 5.1E-09 1 3E-08 3.0E-09 5.6E-10 1.1E-09

( Pl

~ ~ ~ ~

1.7E-06 6 9E-07 3 6E-07 3 3E-07 7 7E-08 1 1E-06

~ ~ 1 1E-06

~ 1 1E-06 1.9E-06 Z.OE-06 1 2E-05

~ 3 7E-06 6 7E-06 1 6E-06 3 1E-07 4.2E-07

~ ~ ~ ~

1.7E-06 6.9E"07 3.6E-07 3.3E-07 7.7E-OB 1.1E-06 1.1E-06 1.1E-06 1.9E-06 2.1E-06 1.2E-05 3.7E-06 6.7E-06 1.6E-06 3.2E-07 4.3E-07 fO 1.5E-06 5.6E-07 2.9E-07 Z.BE-07 6.2E"08 I.DE-06 5E-06 5.6E-07 2.9E-07 2.8E-07 6.2E-OB 1.0E-06 9.8E"07 9.8E-07 9.6E-07 1.6E-06 1.7E-06 1.1E-05 9.6E-07 1.7E-06 1.7E-06 1.1E-05 3.1E-06 6.0E-06 1.3E-06 2.4E-07 3.3E-07 3.2E-06 6.0E-06 1.3E-06 2.4E-07 3.3E-07 Pl O 1 ~

2092. 3701. 3540. 2253. 3701. 965. 1448. 1770. 1931. 2896. 1770. 2414. 1126. Z896. 6436. 5149.

NEAREST RESIDENCES IPER '91 LAHORE CENSUS)- - --

3.0E-06 6.9E-07 3.9E-07 3.3E-07 9.9E-07 Z.OE-06 1.9E-06 1.3E-06 2.5E-06 2.7E-06 1.2E-05 5.4E-06 6.8E-06 5.6E-06 5.2E-06 1.6E-06 2.6E-06 5.6E-07 3.2E-07 2.8E-07 9 1E-07 1.9E-06 1.8E-06

~ 1.1E-06 Z.ZE-06 2.3E-06 1.1E-05 4.6E-06 6 1E-06 4.95-06 4.7E-06

~ 1.3E-06

1. 1E-08 3.6E-09 2.9E-09 2.1E-09 6.9E-09 1.3E-OB 1.3E-OB 6.5E-09 8.7E-09 5.5E-09 I.BE-OB 7.7E-09 1.3E-OB 1.2E-OB 1.4E-OB 4.7E-09 2.9E-06 6 'E-07 3.8E-07 3.3E-07 9.9E-07 Z.OE-06 1 9E-06 ~ 1 3E-06 2.5E 06 2.7E-06 1.2E-05

~ 5 'E-06 6 'E-06 5.5E-06 5.2E-06 1.6E-06 3.0E-06 6.9E"07 3.9E-07 3.3E-07 9.9E-07 2.0E-06 1.9E-06 1.3E-06 2.5E-06 2.7E-06 1.2E-05 5.3E-06 6 'E-06 5.6E-06 5.2E-06 1.6E-06 2.6E-06 5.6E-07 3.1E-07 2.8E-07 9.1E-07 1.9E-06 1.88-06 1.1E"06 2.1E-06 2.3E-06 1.1E-05 4.6E-06 6 OE-06 4 9E-06 4.7E-06

~ ~ 1.3E-06 2.6E-06 5.6E-07 3.2E-07 Z.BE-07 9.1E-07 1.9E-06 1.8E-06 1.1E-06 2.1E-06 2.3E-06 1.1E-05 4.6E-06 6 OE-06 4.9E-06 4.7E-06

~ 1.3E-06 1448. 3701. 3379. 2253. 805. 644. 965. 1609. 1609. 2414. 1770. 1931. 1126. 1287. 965. 2092.

TOTAL OBS - 8760 TOTAL INV OBS - 172 CALHS LOHER LEVEL 0.0 KEY) ENTRY 1 RELATIVE CONCENTRATION - XOQ IS/H>>ii3) ENTRY 2 DEPLETED RELATIVE CONCENTRATION IS/Hsii3 )

Et)TRY 3 RELATIVE DEPOSITION RATE Il/H<<2) ENTRY 4 DECAYED XOQ IS/Hwii3 ) - HALF LIFE 2.26 DAYS ENTRY 5 DECAYED XOQ tS/Hiiii3) - HALF LIFE 8.00 DAYS ENTRY 6 OECtOPL XOQ IS/H>>3 ) - HALF LIFE 2.26 DAYS ENTRY 7 DECiOPL XOQ IS/H<<3) - HALF LIFE 8.00 DAYS ENTRY 8 - DISTANCE IN HETERS

AVERAGE HETEOROLOGICAL RELATIVE CONCENTRATION ANALYSIS DATA PERIOD: 01/01/91 TO 12/31/91 FIXED ANO SPECIAL DISTA)K:ES DISPERSION ANALYSIS +> RADIOLOGICAL EFFLUENT DISPERSION PROGRAII ADSSES ICNDAP10)

FOR CALENDAR YEAR 1991 SUSQUEHAN)IA STEAN ELECTRIC STATION) LUZERtIE COUNTY PA PENNSYLVANIA PN(ER A LIGHT COHPAtIY) ALLENTOWN> PA DATE 07-FEB-92 ADSSES DEVELOPED BY NODIFICATION OF DAH PROGRAH ANDIFF AFFECTED SECTORS

)NE NE ENE E ESE SE SSE S SSW LOW POPULATION ZONE RADIUS I3 WILES) -------

5.1E-07 4.6E-OT 2.3E-OT 9.6E-OS 4.7E-OS S.OE-OS 1.4E-OT 2.0E-OT 4.5E-OT 9.2E-07 3.0E-06 1.2E-06 7.3E-OT 7.2E-07 5.1E-OT 6.8E-OT 4.0E-OT 3.6E-OT 1.8E-07 7.6E-OS 3aTE-08 6.3E-OS 1.1E-07 1.6E-OT 3.5E-OT 7.2E"07 2.3E-06 9.7E-07 5.8E-07 5. 7E-07 6. 1E-07 3.8E-07 1.4E-09 2.3E-09 1.6E-09 5.5E-10 2.6E-10 3.9E-10 7.6E-IO 8.4E-IO 1.3E-09 1.5E-09 3.2E-09 I.AE-09 1.0E-09 1.2E-09 9.9E-10 1.2E-09 5.0E-07 4.5E-OT 2.3E-OT 9.5E-OS 4.7E-OS 7.9E-OB 1.6E-OT Z.OE-07 4.6E-OT 9.0E-07 2.9E-06 1.2E-06 7.2E-07 7.1E-OT 5.1E-07 O.SE-OT 5.1E-OT 4.6E-OT 2.3E-07 9.6E-OS 4.7E-OS S.OE-OS I.AE-OT 2.0E-OT 4.5E-OT 3.9E-07 3.6E-07 1.8E-DT 7.5E-OS 3.7E-OS 6.2E-OS 1.1E-OT 1.6E-OT 3.5E-07 9.1E-07 7.1E-07 3.0E 06 2.3E-06 1.2E-06 7.3E-07 7.2E-07 9.5E-07 5.7E-07 5.6E-07 5.1E-07 4.8E-OT 4.0E-DT 3.8E-07 6.0E-OT 3.6E-OT 1.8E-OT 7.6E-OS 3.7E-OS 6.3E-OS 1.1E-OT 1.6E-OT 3.5E-07 7.2E-OT 2.3E-06 9.7E-07 5.7E-OT 5.7E-07 6.0E-OT 3.8E-07 4827. 4827. 4827. 4827. 4827. %827. 6827. 6827. 4827. 6827. 6827. 4827. 4827. 4827. 4827. 6827.

m p

m I

m

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(

m o m

CO TOTAL OBS - 8760 TOTAL INV OBS - 172 CALHS LOWER LEVEL - 0.0 KEY) ENTRY 1 RELATIVE CONCENTRATION - XOQ IS/Hw)t3) Et)TRY 2 DEPLETED RELATIVE COt)CENTRATION IS/H<>3)

Et)TRY 3 RELATIVE DEPOSITION RATE II/lt<>2 I

- ENTRY 0 DECAYED XOQ IS/H>w3 I - HALF LIFE 2.26 DAYS ENTRY 5 DECAYED XOQ IS/Hw>3)

- HALF LIFE 8.00 DAYS Et)TRY 6 OECtDPL XOQ IS/H>>3 I - HALF LIFE 2.26 DAYS ENTRY 7 DECtDPL XOQ IS/H>>3) HALF LIFE 8.00 DAYS ENTRY 8 - DISTAt)CE IN HETERS

Page 7 of 8 TABLE 20 AVERAGE ANNUAL RELATIVE CONCENTRATIONS RECIRCULATION/TERRAIN CORRECTION FACTORS N

RING NAME 0.5 MILES I .805 KH) 1 ~ 5 MILES (2.41 KH) 2 '5 2.R1 NNE 2.42 NE 2

'3 2.50'8 ENE E 2.32 2.08 ESE 2.58 2.24 SE 2.43 2.44 SSE 2.68 2.44 S

2.44 2.33 SSH SH 2.27 1.92 2.41 2.14 HSH 1.82 R.33 2.32 2 ~ 10 NNN 2.56

2. 60 NN

3. 00 3.10 N)(H

2. 50 2.79 N

Z. 15 2.19 2.58 R.50 2 '2 2

2.5 MILES (4.02 KH) 2.06 2.00 2.25 2.43 2.20 R.33 2.06 2.40 1 ~ 96 2.41 2.95 2.75 2.37 3+5 HILES (5.63 KH) 2.3R 2 '6 2.73 1.86 1.78 1.75 2.08 1.82 1,88 1.77 2.03 1.64 2.13 Z.?5 2.38 Z.ll 4 5 HILES I?.24 KM) 2.31 2.41 2.87 1.80 1.50 1.41 1. 63 1. 60 l. 61 1.55 1.89 1.51 Z.OO RE 56 2.41 Z.08

l. 12 l. 24

~

7 5 HILES 112.07 KH) 2.19 R.38 2.84 1. 69 1. 10 0. 93 1.25 1.27 1.60 1 ~ 18 1.?R 2.28 2.31 2.70

~

15.0 MILES I Z4 1 KM)

~

25. 0 MILES ( 40. 2 KM )

0.96 0+32 1 ~

0.38 41 2.46 1.50 1.00 0.56 0 '8 0.42 0.59 0.17 0.65 0.40 0.21 0,13 0.57 0.52 0.19 0.23 0.60

0. 19 0.44 0.84 0.10 0.29 1 19

~

0.31 1 ~

0.33 13 1. 04 0.47 35.0 HILES (56.3 KH) Oe13 0.15 0.60 0.18 0.09 0.05 0.07 0.05 0.05 0.11 0.06 0.03 0.03 0.06 0.18 0.13 45.0 MILES (?Z 4 KH)

~ 0.07 0.07 0.29 0.08 0.03 0.01 0.03 0.03 0.02 0.06 0.02 0.01 0.01 0.02 0.08 0.05 0.4 HILES (0.644 KH) R. 13 2. 17 2 ~ 37 2.31 2.71 2.45 2.56 2.35 2.30 1.90 1.73 2.29 2.55 3.00 2.35 2.17 0.6 MILES I 0.965 KM) 2.35 2.27 2.37 Z.32 2.58 2.44 2.71 2.46 2.36 2.04 2.05 2.43 2.6? 3.06 Z.53 Z.ZO 0.7 MILES (1.126 KH) 2.45 2.31 2.42 R.32 2.53 Z.46 2.77 2.50 2. 38 Z. 14 2. 10 Z.37 2.58 3.00 2.69 2.15 0.8 MILES ( 1. 287 KH) 0.9 MILES I 1.448 KM) 2.35 2

2.33

'3 '3 2

2.53 2.50 2

2

'3 '0

'? 2.67 2

2.70 2.59 2.82 2.83 2.50 2.53 2.43 2.18 2.39 2.17 2.20 2.38 2 '9 2.74 2.38 2.75 3.30 3.18 Z.73 2.83 R.25 2.14 1.0 MILES (1.609 KH) 2.50 2.25 2.57 2.15 2.39 R.57 Z.59 2.46 Ze31 2.16 2.30 Z.Z3 2.57 3.0? 2.91 2.08 SITE (meARY 2.37 2.31 2.52 Zo31 Z.58 R.46 2.49 2.30 2.29 2.18 2.30 2.38 2.64 3.04 2.53 2.20 NEAREST OAIRY ANIMAL 2 29 2.41 Z. 76 1.80 1.96 2.20 1. 55 1. 73 2.11 1.50 2.37 1.46 2.54 R.51 2.40 2. 18 NEAREST GARDENS (PER NEAREST RESIOENCES (

~

2.45 2.43 2.47 2.47 2 '5 2.63 2.09 R 09 Z.05 2 58 2.44 2 45 Z.83 2.71 2.43 Z.46 2.35 2.12 R.31 2.14 2.31 2.31 2.10 2.58 2.18 R.58 3 '6 3.30 2.40 2.53 2.19 2.15 LQ4 POPULATION ZONE 2.45 2.43 2.73 1.96 1.89 R,OO R.26 R.01 Z. 11 l. 92 2.22 1.80 2 '7 2.85 Z.57 2.24 66

Page 8 of 8 TABLE 20 AVERAGE ANNUAL RELATIVE CONCENTRATIONS HEIGHT OF VERTICAL HIXING LATER > 1050.0 HETERS HEIGHT OF CONTAIWENT STRUCTURE + 60.4 HETERS THRESHOLD OF ANEHOHETER " -0.22 HPS HET DATA FILE USED - DIFF'Jl HEADER FILES USED FIXED FLUID OUTPUT FILES USED - APPOl

~

y APP02 THERE HERE 5 SPECIAL RECEPTOR RINGS INCLUDEO IN THIS RLN.

USER-SPECIFIEO RECIRCULATION/TERRAIN CORRECTION FACTORS HERE APPLIED TO THE HODEL CALCULATIONS~

DEPLETION HAS APPLIED TO THE HODEL CALCULATIONS.

DEPOSITION NAS CALCULATED~

ALL OUTPUT DATA HERE NRITTEN TO THE GASPAR FORHAT FILE.

67

SECTION 4 DOSE MEASUREMENTS AND ASSESSMENTS

44 Radiolo ical Im act on Man Sampling and analysis of airborne and waterborne effluents were performed in accordance with the frequencies, types of analysis, and Lower Limit of Detection (LLD) outlined in the SSES Technical Specifications.

Radioactive material was detected in some of the airborne and waterborne effluent samples analyzed. Dose calculations using measured effluent activity levels, meteorological data from the current reporting period and monthly averaged river flow dilution factors resulted in estimated doses to individuals at levels below 10 CFR 20 and 10 CFR 50, Appendix I limits, Direct radiation resulting from plant operation, as measured by environmental thermoluminescent dosimeters located around the plant, did not contribute any measurable dose to members of the public for the reporting period. This was based on a quarterly comparison of 1991 average (indicator) results to the 1979-1981 preoperational average (control) values. In all cases the 1991 data was not significantly different from the preoperational average at the 95X confidence level.

Since there are no other fuel cycle sources within 8 km of SSES, 40 CFR 190 limits were not exceeded.

Summaries of maximum individual doses resulting from airborne and waterborne radioactive effluent releases are given in Table 21.

Meteorological data from Section 3 were used to calculate the dose from airborne effluents.

Technical Specification 6.9. l. ll requires assessment of radiation doses from radioactive airborne and waterborne effluent to members of the public within the site boundary. There are no significant exposure pathways from waterborne effluents in these areas. Onsite doses are assessed relative to offsite dose values and are adjusted for appropriate dispersion and occupancy factors. Summaries of the calculated maximum onsite doses resulting from airborne effluents are presented in Tables 22 through 25.

TABLE 21 SUNNARY OF NAXINUN INDIVIDUAL OFFSITE DOSES AND DOSE CONNITNENTS TO NENBERS OF THE PUBLIC DATA PERIOD: 1/1/91 TO 12/31/91 EST I HATED LOCATION PERCEHT APPEHDIX I APPLICABLE AGE DIST AFFECTED OF L I HI T DOSE1'HREH)

EFFLUEHT ORGAN GROUP (HILES) SECTOR LIHIT (HREH)

LraurD TOTAL BODY 7.82E-04 CHILD OANVILLE, PA 1.30E-02 LraurD LIVER 8.39E-04 CH I LO DANVILLE ~ PA 4.20E-03 10 AIR DOSE 7.60E-02 H/A 1.02 'WS'N 3.80E-01 10 NOBLE GAS . (GAHHA-HRAD)

NOBLE GAS AIR DOSE 4.30E-02 H/A 1.02 Hsrl '1.08E-01 20 (BETA HRAD)

NOBLE GAS TOTAL BODY 5.02E-02 N/A 1.02 VSQ 5.02E-01 NOBLE GAS SKIN 8.43E-02 H/A 1.02 WSM 2.81E-01 15 IODIHE AND LUNG 9.53E-02 CHILD 1.02 rrsM 3.18E-01 15 PARTICULATES 10CFR50, Appendix I limits are in terms of mrad or mrem/reactor-year tEstimated dose is based on a site total activity release.

70

DOSES TO NENBERS OF THE PUBLIC WITHIN THE SITE BOUNDARY SSES Technical Specification 6.9. 1. 11 requires that the Semiannual Effluent Release Reports include an assessment of the radiation dose from radioactive effluents to members of the public within the site boundary. Within the SSES site boundary there are seven areas which are open to members of the public (See Figure 8):

~ The Susquehanna Riverlands Recreation Area/

Energy Information Center

~ Residences in the north-northeast, east southeast, southeast, west southwest, west northwest and north northwest sectors In the area comprising the Riverlands recreation area, which surrounds the Energy Information Center, four pathways of radiation exposure can be identified; plume, ground, inhalation, and direct radiation. There are no significant exposure pathways from waterborne effluents in this area. There are approximately 100,000 visitors to the Riverlands/Information Center complex each year. In order to facilitate visitor stays in the dose calculations, it is assumed that each area for one hour.

Use of the GASPAR code yields calculated doses for the Riverlands area for the report period. These doses are the total doses at the location from gaseous effluents during the report period. In order to compute doses to members of the public who stay for only short periods of time, these doses are converted to dose rates. Taking into account the estimated 100,000 person-hours of occupancy, the collective (person-rem) doses shown in Table 22 are calculated.

Calculated doses for residences within the SSES site boundary for the following sectors are presented in Tables 23 through 25.

~ north northeast (0.90 miles)

~ east southeast (0.50 miles)

~ southeast (0.40 miles)

~ west southwest (1. 10 miles) west northwest miles) and

'orth northwest (0.70

~

~ (0.60 miles) 71

FIGVRE B

ARQS VITHtS THf OPEN TO SSES PfgPfBPRg N SITE'OV TH SOAR)'HE PVBLIC SOS

~g~4 rQU8

~EC R~ 7/ON RlV<g~gDS SITE BOV AfOARY g ~

ga g>>'

r gg F

I.'ESlDEhl714L AR~~

Q<

TABLE 22 CALCULATED COLLECTIVE DOSES TO MEMBERS OF THE PUBLIC MITHIN. THE RIVERLANDS/INFOINATION CENTER COMPLEX Data Period: 1/1/91 12/31/91 LOCATION EST IHATED COLLECTIVE APPLICABLE AGE DIST AFFECTED DOSE RATE DOSE EFFLUEHT PATNNAY ORGAN GROUP (N) SECTOR (HREN/HR) (PERSON-REH)

NOBLE GAS PLUHE TOTAL BQ)Y N/A 0.70 NE 1.55E-06 1.55E-04 NOBLE GAS PLUHE SKIN N/A 0.70 NE 2.61E-06 2.61E-04 IODINE AND GRND~, INH, SKIN TEEH 0.70 NE 1.00E-06 1.00E-04 PARTICULATES DR

<<(GRND) Ground, (INN) tnhaiation, OR (Direct Radiation) 73

TABLE 23 CALCULATED DOSES FOR RESIDENCES MITHIN THE SSES SITE BOUNDARY (NNE and ESE SECTORS)

Data Period: 1/1/91 12/31/91 EST I HATED LOCATIQI PERCENT APPENDIX I APPLICABLE DOSEg DIST AFFECTED OF LINIT EFFLUENT~ ORGAN (IBIEN) (NILES) SECTOR LINIT (NREN)

NOBLE GAS AIR DOSE 7.11E-03 H/A 0.90 NHE 3.56E-02 10 (GANNA-NRAD )

NOBLE GAS AIR DOSE 5.98E-03 H/A 0.90 HNE 1.50E-02 20 (BETA-NRAD)

NOBLE GAS TOTAL BODY 4.63E-03 H/A 0.90 HNE 4.63E-02 NOBLE GAS SKIN 8.32E-03 N/A 0.90 HHE 2.77E-02 15 IODINE AHD SKIN 6.38E-03 AD,TH 0.90 HNE 2.13E-02 15 PARTICULATES EST I HATED LOCATION PERCENT APPENDIX I EFFLUENT APPLICABLE ORGAN DOSE f (INIEN)

DIST (NI LES)

AFFECTED SECTOR OF LINIT LINIT (i%EN)

AIR DOSE 5.38E-03 N/A 0.50 ESE 2.69E-02 10 NOBLE GAS (GAMNA-NRAD )

AIR DOSE 3.04E-03 N/A 0.50 ESE 7.60E-03 20 HOBLE GAS (BETA-HRAD)

HOBLE GAS TOTAL BODY 3.55E-03 H/A 0.50 ESE 3 '5E-02 HOBLE GAS SKIN 5.96E-03 H/A 0.50 ESE 1.99E.02 15 IODIHE AHD SKIN 2.34E-03 TEEN 0.50 ESE 7.80E-03 15 PARTICULATES 10 CFR 50, Appendix I limits are in terms of mrad or mrem/reactor-year AGE GROUP: (AD) Adult, (TN) Teen tEstimated dose is based on a site total activity release.

- Analyzed pathways: plune, ground, inhalation, direct radiation 74

1 TABLE 24 CALCULATED DOSES FOR RESIDENCES WITHIN THE SSES SITE BOUNDARY (SE and WSW SECTORS)

DATA PERIOD: 1/1/91 - 12/31/91 EST IHATED LOCATION PERCENT APPENDIX I EFFLUENT~

APPLICABLE ORGAN DOSE (HREH) f DIST (NILES)

AFFECTED SECTOR OF LIHIT LIHIT (HREH)

NOBLE GAS AIR DOSE 1 '9E-02 H/A 0.40 SE 5.45E-02 10 (GAHHA-HRAD )

NOBLE GAS AIR DOSE 6.14E-03 N/A 0.40 SE 1.54E-02 20 (BETA-HRAD)

NOBLE GAS TOTAL BODY 7.17E-03 N/A 0.40 SE 7.17E-02 NOBLE GAS SKIN 1.20E-02 N/A 0.40 SE 4.00E-02 15 IODINE AND SKIN 4.70E-03 AD, TH 0.40 SE 1.57E.02 15 PARTICULATES

- Analyzed pathMays: plane, ground, inhalation, direct radiation EST I HATED LOCATION PERCENT APPENDIX I EFFLUENT~

APPLICABLE ORGAN DOSE (HREN) f DIST (HILES)

AFFECTED SECTOR OF LINIT LIHIT (HREN)

NOBLE GAS AIR DOSE 6.52E-02 H/A 1 ~ 10 3 '6E-01 10 (GAHHA-HRAD)

NOBLE GAS AIR DOSE 3.69E-02 H/A 1.10 9.23E-02 20 (BETA-HRAD)

NOBLE GAS TOTAL BODY 4.30E-02 H/A 1.10 'NSH 4.30E-01 NOBLE GAS SKIN 7.23E-02 H/A 1.10 2.41E-01 15 IODINE AND PARTICULATES LUNG 8.17E-02 CHILD 1.10 HS1I 2.72E-01 15 10CFR50, Appendix I limits are in terms of mrad or mrem/reactor-year.

Age Group: (AD) Adult, (TN) Teen.

fEstimated dose is based on a site total release.

Analyzed pathuays: plane, ground, vegetation, inhalation, direct radiation.

75

S' I

TABLE 25 CALCULATED DOSES FOR RESIDENCES WITHIN THE SSES SITE BOUNDARY (WNW and NNW SECTORS)

DATA PERIOD: 1/1/91 12/31/91 EST I HATED LOCATIQI PERCENT APPEIQIX I APPLICABLE DOSEt DIST AFFECTED OF LIHIT EFFLUENF ORGAN (HREH) (HILES) SECT(NI LIMIT (HREH)

NOBLE GAS AIR DOSE 2.54E-02 H/A 0.70 '<<

MHM 1.27E-01 10 (GAMMA-MRAD )

HOBLE GAS AIR DOSE 1.68E-02 H/A 0.70 MHM 4.20E-02 20 (BETA-MRAD) 0.70 MHM 1.67E-01 NOBLE GAS TOTAL BODY 1.67E-02 H/A 0.70 MHM 9.57E-02 15 NOBLE GAS SKIN 2.87E-02 H/A IODINE AHD TH>>, LH, SK 4.64E-02 CHILD 0.70 MNM 1 '5E-01 15 PARTICULATES

- Analyzed pathway: plune, ground, vegetation, inhalation, direct radiation ESTIMATED LOCATION PERCENT APPENDIX I EFFLIKNT APPLICABLE ORGAN DOSE (HREH) f DIST (HILES)

AFFECTED SECTOR OF LIMIT LIMIT (NIEH)

NOBLE GAS AIR DOSE 2.82E-02 H/A 0.60 NHM 1.41E-01 10 (GAMMA-MRAO )

HOBLE GAS AIR DOSE 1.60E-02 H/A 0.60 HHM 4.00E-02 20 (BETA-MRAD)

NOBLE GAS TOTAL BODY 1.86E-02 N/A 0.60 NHM 1.86E-01 NOBLE GAS SKIH 3.13E-02 N/A 0.60 HNM 1.04E-01 15 IODINE AND LN>>, SK '1.07E-02 TEEN 0.60 HNM 3.57E-02 15 PARTICULATES 10CFR50, Appendix I limits are in terms of mrad or mrem/reactor-year

.*(TH) Thyroid, (LN) Lung, (SK) Skin tEstimated dose is based on a site total release.

>>*Analyzed pathways: plwe, ground, inhalation, direct radiation 76

SECTION S CHAlVGES TO THE OFFSITE DOSE CALCULATIONMAlVUAL AlVD THE SOLID WASTE PROCESS CONTROL PROGRAM 77

CKANGES TO THE OFFSITE DOSE CALCULATION MANUAL The ODCH was revised August 28, 1991 to document changes to sampling stations pursuant to Technical Specification 3. 12. lc and 3. 12.2b. Changes occurred in either the actual monitoring locations or the descriptions for such locations for airborne, direct radiation, and milk monitoring.

The locations of two air sample and precipitation collector stations were changed in 1990. The station formerly at location 2S2, the Energy Information Center, was moved to location 3S2, near the Backup Heteorological Tower The reason for this move was that an addition,was being built to the on'ite.

Information Center that would have interfered with sample collection. The station formerly at 11S2, the Golomb House, was relocated in mid-November to 12S2, the Emergency Operations Facility, for two reasons. Those reasons were the constant concern about overhanging tree leaves at the former llS2 location and the meteorological data indicating that the new 12S2 location is a more sensitive monitoring location than the old 11S2 location.

With one exception, the changes to direct radiation (TLD) monitoring locations as described in the ODCH involved only the descriptions of those locations.

Location 2B3, previously described as a the "former Luzerne Outerware" location, is now referred to as the Durabond Corporation since this company has purchased and is currently doing business at this site. Location llE1, previously identified as Jacobsen, is now referred to as the Thomas Residence, since this property was sold by the Jacobsens to the Thomases. The only change of actual locations involved the TLD formerly at 9D1, the Smith Farm.

Because of the loss of a TLD and the pole to which it was attached that occurred when a barn at this location was moved by the owners, a replacement location was found at the nearby Country Folk Store. This new location is now called 9D4.

Significant changes occurred to milk sampling locations listed in the ODCH.

The Shultz Farm (12B2) and the Chapin farm (8D4) are no longer milk sampling locations because the farms went out of business. These locations were replaced with the Drasher 'farm (1003) and the Kishbaugh farm (10D4). The Broyan, Ryman, and Dent dairy farms were deleted from the ODCH's list of dairy farms at which both monthly and semi-monthly milk sampling is performed. The reasons for their deletions from the list are the relatively low dose potentials of these sites. Three dairy farms, the Young Farm (1283), the Dagostin Farm (12D2), and the Hoyer farm (6Cl) were added to the ODCH's list because of their relatively high dose potential.

All the requirements of SSES Technical Specifications are being met following the changes discussed above.

78

PENNSYLVANIA POWER 5 LIGHT COMPANY SUS(UEHANNA STEAN ELECTRIC STATION OFFSITE DOSE CALCULATION MANUAL Prepared By Date Reviewed By Date BP Env~QCtfem. Group Supv.- Nuclear Approved By Date 8 Zg g/

Manager-Nuclear Services PORC REVIEW RE UIRE BEFORE APPROVAL BY THE MANAGER-NUC AR SERVICES

FIGURE 5 ygITE ENVIRNÃENTAL SAMPLING LOCATIONS - SUSgVEHANNA SES N I I

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45

FI6URE 6 OFFSITE ENVIRONMENTAL QgyLINg t.~TI~S SUsqgggg~ SEg IINrN NCVNf iCrS fur VOv I NVNCO f&r J

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%LE 7 Page f3 OPERATIONAL RADIOLOGIChL ENVIRONENThL ISNITORIHG PROGRN Exposure Pathways Number of Samples Sampling and Type and F'frequency e C e t e e c 0 hixbarm Radioiodine and 12S2 ( 0.4 at MSM- E.O.F. Building) sampler operation Radioiodine Canister:

)

Particulates 9B1 ( 1.3 at S - Transmission Line) with sample collection weekly.** analyze weekly for 5S4 ( 0.8 ai E M of Bio. Consult.) 1-131 12E1 ( 4.7 at MS@- Berwick Hospital) 7G1 ( 14 ai SE PPIL Hazleton Chemical 3S2 0.5 ai - Center)'ontinual Lab)'E SSES Backup Net. Tower Particulate Sample:

15S4 Qa6 ai N - Transaission Corrodor Analyze for gross 1D2 3.9 ai N - Hocanaqua Substation) beta radioactivity 3D1 3.4 at NE Pond Hill) less than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 12G1 ( 15 ai MSQ- Bloomsburg Service following filter change.

Perform gamaa isotopic analysis on composite sample (by location) quarterly.

d' 1S2 Perimeter Fence - 0.2 ai N quarterly Gamma Dose: quarterly.

1D2 Nocanaqua Substation 4.0 mi N 2S3 Periaeter Fence 0.2 ai NHE 2B3 Durabond Corporation 1.3 ai HHE 2F1 St. Adalberts Cemetery 5.9 ai HHE 3S4 Periaeter Fence 0.3 ai NE 3Dl Pond Hill - 3.4 ai NE 3F1 Valania Resident (Nanticoke)-

9.1 ai NE 3G3 Mtlkes-B~rre-Horton St. Substation-16 ai NE 4S3 Perimeter Fence 0.2 mi ENE 4E1 Ruckles Hill Road Pole (f) 46422/H35197 - 4.8 mi EHE 4Gi itountain [op Industriai park-14 mi ENE 5S7 Perimeter Fence 0.3 mi E 5E2 Bloss Farm 4.5 mi E APPV LaWI5 6S4 Perimeter Fence 0.2 mi ESE DATE SFM~+/

TABLE 7 ( nued) .ge 2 of 3 Exposure Pathways- of Samples

~~dlAf ~am e ~d Co Sampling and ect on F e enc Type and Frequency of An's 6E1 St. James Church - 4.7 mi ESE 6S9 Perimeter Fence - 0.2 mi ESE 7S6 Perimeter Fence 0.2 mi SE 7El Harwood Transmission Line Pole P2 4.2 mi SE 7G1 Hazleton Chemical Lab - 14 mi SE BS2 Perimeter Fence - 0.2 ai SSE BB2 Laltall Residence - 1.4 mi SSE 803 Nowry Residence - 4.0 mi SSE S'umber 9S2 9D4 10S1 Security Fence 0.2 mi S Country Folk Store - 3.6 mi S Perimeter Fence 0.4 ai SSQ 1092 11S3 Ross ~n Farm 3.0 ai SSli Security Fence - 0.3 mi SQ llE1 Thoaas Residence - 4.7 mi SQ 12S3 Perimeter Fence - 0.4 mi WSW 12El Berwick Hospital - 4.7 mi WSM 12G1 Bloomsburg - 15 mi WSW 13S2 Perimeter Fence - 0.4 mi M 13E4 Kessler Farm - 4.1 mi I 14SS Site Pole 43996/N34230 0.5 mi WNW 14E1 Canouse Farm - 4.1 mi WNM 15F1 Zawatski Farm - 5.4 ai NW 15S5 Perimeter Fence - 0.4 mi NW 16Sl Perimeter Fence - 0.3 mi NNW 16S2 Perimeter Fence - 0.3 mi NNM 16F1 Hidlay Residence (Huntington Hills)-

7.8 NNM gg~>~oge Surface 6S6 river water intake line Honthly composite Gamma isotopic analysis.

6S7 cooling tower blowdown discharge Honthly composite Composite tritium line analysis at leas g quarterly.

Drinking 12H2 Oanville Water Co. Honthly composite Gross beta and gamaa (Approximately 30 miles downstream) isotopic analyses monthly. Composite APPY +~i for trito"f analysis DATE at leasl terly.

TABLE 7 ('. ied) Page 3 of 3 Exposure Pathways Number of Samples Sampling and Type and Frequency d Sam e o t'o s* Col ect o re uenc 0 Sediment from 7B Bell Bend - 1.2 mi SE Semiannually Galena isotopic analysis Shoreline semiannually.

Nilk*** 12B3 Young Farm 2.0 mi MSM Semi-monthly when animals Gambia isotopic and lOGl Davis Farm,- 14 mi. are on pasture, monthly I-131 analysis of each Stola Farm - 1.8 mi. MNM otherwise SSM'4B1 sample.

1202 0ggostin Farm - 3.7 mi. MSM Fish and Outfall area Semi annually. One sampl e Gambia isotopic on Invertebrates 2H Falls, PA from each of two recrea- edible portions.

(Approximately 30 mi NNE) tionally important species from any of the following families: bullhead catfish, sunfish, pikes, or perches.

Food Products 1101 Zehner Farm - 3.3 mi SM At time of harvest Gaama isotopic on vegetable edible portions.

The location of samples and equipment were designed using the guidance in the Branch Technical Position to NRC Rev.

Guide 4.8, Rev. 1, Nov. 1979, Reg. Guide 48. 1975 and ORP/SID 72-2 Environmental Radioactivity Surveillance Guide.

Therefore, the airborne sampler locations were based upon X/g and/or D/g.

"A dust loading study (RNC-TR-81-01) concluded that the assumption of 1 for the transmission correction factor for gross beta analysis of air particulate samples is valid. Air particulate samples need not be weighed to determine a transmission correction factor.

- - Ifa milk sample is unavailable for more than two sampling periods from one or more of the locations, a vegetation sample shall be substituted until a suitable milk location is evaluated. Such an occurrence will be documented in the REHP annual report.

Control sample location.

b Two-week composite if calculated doses due to consumption Qf water exceed one millirem per year. In these cases, I-131 analyses will be performed.

The sample collector will determine the species based upon availability, which may vary seasonally and yearly.

APPV

C P

CHANGES TO THE SOLID MASTE PROCESS CONTROL PROGRAN PCAF 1-91-1081 to the SSES plant procedure AD-(A-311, Solid Radioactive Process Control Program was prepared and approved during the report period. A copy of the changes are attached.

The Process Control Plan procedure change reflects action taken by PP8L to identify an additional waste stream for cartridge filter waste type.

This change provides additional assurance to classify and characterize cartridge filters.

These changes do not reduce the overall conformance of the solidified waste product to existing criteria for solid wastes.

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AO-(}A-311 Revision 11 Page 16 of 48

c. RMCU Filter Media shall be dewatered w ere in i H igh h

Inn t egri t y Containers. I f this waste must be solidified, Technical Specification 3/4.11.3 action statement must be performed.

Condensate/Radwaste Demineralizer Bead Resin Resins from the Condensate Demineralizers and Liquid Radwaste Oemineralizer are collected in the Spent Resin Tank or transferred directly to a liner/container. This is considered to be Condensate/Radwaste Oemineralizer Bead Resin.

The constituents of this waste stream ma m

1'nclude various types of anion, cation and mixed bead resin.

C. Bead Resin may be solidified in steel liners iners or d ewatered for final disposal in either steel liners or High Integrity Containers.

d. Bead Resin may be used to demineralize Chemical Waste in epoxied steel liners. The Bead Resin may be solidified or dewatered for final disposal.

e. Condensate demineralizer bead resin may be ultrasonically cleaned prior to collection in the Spent Resin Tank.

Cartridge Filters

a. Cartridge Filter waste type consists of th e following waste streams and constituents:

(1) CRQ Filters - CRO or other filters and sma11 unirradiated primary system equipment such as valves, CRO lift pump filters, Rinse Tank filters and other metal components.

RWCU Septa - Septa from RMCU Filter Oemineralizer including septa from Fuel Pool Cleanup Filter Demineralizer.

(3) Radwaste Filters - including degasifier filters and other, fiber or paper filters other than primary system.

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OF 3 Attachment 0 PCP IMPLEMENTING PROCEQURE MATRIX AO-gA-311 Rev>s)on ll Page 46 of 48 WASTE PROCESSING Eva orator Concentrates - Solidified SEG STO-P-05-008 (Steel Liner)

OP-068-105 CH-RC-047 Mixed Solids - Solidified SEG STO-P.-05-025 (Steel Liner) SEG STO-P-05-051 (Steel Liner)

(High Torque)

OP-068-103 OP-068-133 CH-RC-051 CH-RC-054 LRW Filter Media URC Waste RWCU Filter Media -Oewatered SEG STO-P-'03-646 (HIC)

OP-068-116 OP-068-140 Condensate Radwaste Oemineralizer Bead Resin - Solidified SEG STO-P-05-054 (Steel Liner)

OP-068-113 CH-RC-049 Condensate Radwaste Oemineralizer Bead Resin - Oewatered SEG STO-P-03-048 (Steel Liner) SEG STO-P-03-010 (HIC)

OP-068-102 OP-068- 12)

Cart id e Filters - Oewatered CNSI FO-OP-019 (Overpack) CNSI FO-AO-002 (HIC)

HP-TP-875 HP - IP -9'-'I 8o HP- IP -999. g gz Page 1 'of 3

PP&L DOCUMENT REVIEW E

REVIEWERS (CATEGORY )

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DESIGNATES PXVIE'~ER(S) PERFORMIHC QADR

2. DATE SENT: I )- J RETURN BY:

Li'AME 7-i A' LOCAT ZOH ETN NO.

DOCU?KNT ( T I TLE/NUMBER/REV, )

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C. ORIGINATOR: lQ PP&L OTHER 5. SAFETY REL. Q ASHE (g OTHER 6 STATUS '~ PRELZM Q FIHAL FILE NO.

) 7 . REFERENCES ATTACHED:

I8. COMMENT 10. RESOLUTION:

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SECTION 6 REPORT OF EXCEPTIONS TO THE SSES EFFLUENT MONITORING PROGRAM 89

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REPORTS OF EXCEPTION TO THE SSES EFFLUENT MONITORING PROGRAM Two separate events occurred involving the blowdown flow recorder for the Unit 2 Cooling Tower (System No. 241A, Equipment No. FR-21503), where effluent monitoring equipment was rendered inoperable for a period exceeding the reporting requirement in Technical Specification Table 3.3.7. 10-1 Action Statement 102. The first event was initiated when the Unit 2 Cooling Tower Blowdown Loop was declared inoperable on 8/17/91 (15:00) due to a lightning storm. When investigated, it was discovered the blowdown flow transmitter was heavily fouled by algae. The element was cleaned, and a failed transistor on the main circuit board was replaced. This action permitted a partial recalibration of the flow transmitter, and the limiting condition for operation (LCO) was cleared on 8/21/91 (14:45). By 19:00 on 8/21/91, however, the flow indication failed high, and the LCO was re-entered. The flow transmitter was electrically bypassed, rendering it inoperable, while blowdown instrumentation from the Unit 1 Cooling Tower was substituted to determine blowdown flow rate during liquid releases. All automatic interlocks remained in place during this period. A different type flow element and transmitter designed for dirty water/algae conditions was installed by 9/26/91, and the LCO was again cleared for this condition. This event has been investigated under Significant Operating Occurrence Report (SOOR) No. 2-91-195.

The second event was initiated 12/13/91, when blowdown flow indication from the Unit 2 Cooling Tower decreased with no change in valve position, below the interlock setpoint, which automatically terminated liquid release 891-168.

The flow signal later returned to its expected value, and indication remained normal. The cause of this spurious behavior could not be positively identified at the time, due to safety concerns (ice on the tower), and later investigations disclosed no abnormal conditions. The equipment manufacturer suggested turbulent flow or flow element debris, and recommended cleaning and relocating the flow element. The velocity module, processor module and flow element were replaced, and the flow element position was increased to reduce turbulence. The LCO was then cleared on 1/13/92. This event has been investigated under SOOR No. 2-91-241.

90

ML18026A244

Text

SUBJECT:

Dear Mr. Martin:

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