Text

Radioactive Effluent Release Rept for 1998. with
	ML20207M195
Person / Time
Site:	Zion File:ZionSolutions icon.png
Issue date:	12/31/1998
From:	Starkey R; COMMONWEALTH EDISON CO.
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	ZRA99012, NUDOCS 9903190014
	Download: ML20207M195 (56)
	v • d • e

Commonwe.dth Ldum Comp.iny Zion Gencr.iting St.ition 101 $hiloh Ihnilcrard nan, n.ca w2~n TelH177 K+2086 ZRA99012 March 15,1999 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

%n Nuclear Power Station, Units 1 and 2 F t .:ility License Nos. DPR-39 and DPR-48 ,

NRC Docket Nos. 50-295 and 50-304

Subject:

Radioactive Effluent Release Report Pursuant to Section 6.6.1.D of the Zion Nuclear Power Station Units 1 and 2 Technical Specifications, we are submitting the Radioactive Effluent Release Report for releases that occurred in 1998. The report is provided as Attachment A to this letter. A listing of the commitments contained in this letter is provided as Attachment B.

If you have any questions about this letter, please contact Robert Godley at (847) 746-2084 Extension 2900.

Respectfully, b GG- -f},(

R. S. Starkey 1 Zion Nuclear Power Station Decommissioning Plant Manager /-

Attachments-A. Annual Radioactive Effluent Release Report for 1998 , l B. List of Commitments Contained in this Letter 4 \',

/ !

cc: NRC Regional Administrator, Region ill 9903190014 981231 9 PDR ADOCK 05000295n.

R POR ;d A Unicom Company

l ATTACHMENT A l

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers 50-295 & 50-304)

EXECUTIVE

SUMMARY

i A review of 1998 effluent data versus previous years' data showed there were no !

abnormally high amounts of radioactivity released during 1998.

l 1

i Airborne Dose to Maximally Dose to Maximally I Yearly Dose Limit Exposed Receptor Exposed Receptor l per Reactor Unit (Child) from Unit 1 (Child) from Unit 2 Gamma Air 10 mrad 0 mrad 2.30E-9 mrad Beta Air 20 mrad 0 mrad 1.04E-6 mrad Total Body 5 mrem 0 miem 1.73E-9 mrem Skin 15 mrem 0 mrem 7.18E-7 mrem Organ 15 mrem 3.01E-2 mrem 2.07E-2 mrem Airborne doses were very low as neither unit operated during 1998. The only noble gas released in 1998 that was above the lower limit of detection was a controlled discharge of Kr85 source gas through the Chemistry exhaust hood out the Unit 2 vent stack.

Aquatic Dose to Maximally Doso to Maximally Yearly Dose Limit Exposed Receptor Exposed Receptor per Reactor Unit (Child) from Unit 1 (None) from Unit 2 Total Body 3 mrem 5.51E-5 mrem 0 mrem Organ 10 mrem 1.53-4 mrem 0 mrem Aquatic doses were very low as neither unit operated during 1998. Aquatic doses for Unit 1 were higher than doses for Unit 2 because no liquid releases were performed using the Unit 2 discharge canal. Allliquid releases viere performed using the Unit 1 discharge canal.

The doses to the public, from all Zion Station effluent paths during 1998, were extremely low and well below all regulatory limits.

Dave Bump Radiation Protection Mariager

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ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 (Docket Number 50-295)

GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION

1. Regulatory Limits See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION"

2. Maximum Permissible Concentrations See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION"

3. Average Energy - )

See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION" i

4. Measurements and Approximations of Total Radioactivity l See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION" j

5. Batch Releases 1st Otr 2nd Qtr 3rd Qtr 4th Qtr 1998

a. Total Number of Batch 0 10 0 1 11 !

Releases 0.00E+00 1.49E+03 0.00E+00 8.70E+01 1.58E + 03 R les in 0.00E+00 8.20E+02 0.00E+00 8.70E+01 6.20E + O2 t le n

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6. AbnormalReleases

a. Number of Releasts 0 0 0 0 0

b. Total Activity Released (Cl) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E + 00 Unit "0" batch releases are included in Unit "1" release quantifications.

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T ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998

( UNIT 2 (Docket Nu.nber 50-304)

! GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION ,

t

1. Regulato g Limits l See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION" l 2. Maximum Permissible Concentrations I i i See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION"

3. Average Energy See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION"

4. Measurements and Approximations of Total Radioactivity See " Unit 1 & 2 GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION"

5. Batch Releases 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr 1998

a. TotalNumberof Batch 7 0 1 0 8 Releases A +03 OME+M M0E+02 OME@ 7.35E + 03 Rei (min s) 1.77E+03 0.00E+00 2.40E+02 0.00E+00 1.77E + 03 t mn a

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6. Abnormal Releases

a. Numt w of Releases 0 0 0 0 0 l b. Total Adivity Released (Cl) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E + 00 f

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i ZION NUCLEAR POWER STATION I ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers 50-295 & 50-304) l GASEOUS EFFLUENTS SUPPLEMENTAL INFORMATION l l

l

1. Regulatory Limits The calculated annual total quantity of all radioactive material above background released from each unit at Zion Station to the atmosphere is limited by off-site dose restrictions stated in the station Technical l

Specifications, Off-site Dose Calculation . Manual (ODCM), and 10CFR50 Appendix 1. The off-site dose limits I per reactor unit are listed below.

Yearly Gamma Air 10 mrad i Beta Air 20 mrad Total Body 5 mrem l Skin 15 mrem I Organ 15 mrem

2. Maximum Permiscible Concentrations Zion Station gaseous emuent release-rate limits were not calculated using maximum permissible concentra-tions of activity. Gaseous emuent activity release rates are limited by off-site dose-rate restrictions stated in station technical specifications and the ODCM. The release-rate limits were determined by using the ODCM l computer cede to calculate release rates which would produce a specified instantaneous dose rate at the site boundary. The off-site dose-rate limits are listed below.

Noble Gases 500 mrem / year Total Body Noble Gases 3000 mrem / year Skin 1 131,1-133, H-3, and particulates with half-lives greater th:n 8 days 1500 mrem / year Organ

3. Average Energy The assunied composition of noble gas effluent (ODCM Table 10-1) and the average gamma and average beta energies are listed below.

Isotope Percent of Effluent

~ Ar-41 1.v2E-01 Kr-83m 1.00E-04 Kr-85m 2.24E-01 Kr-85 5.50E-02 Kr-87 1.22E+00 Kr-88 3.19E+00 Kr-89 1.00E-04 Xe-131m 1.85E+00

- Xe-133m 7.56E-01 Xe-133 8.36E+01 Xe-135m 1.03E-01 Xe-135 8.79E+00 Xe-137 1.00E-04 Xe-138 4.37E-03 Average Gamma Energy per Decay of the Mixture (kev) 135.7 Average Beta Energy per Decay of the Mixture (kev) 139.9

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 -

UNIT 1 & 2 (Docket Numbers 50295 & 50-304)

GASEOUS EFFLUENTS SUPPLEMENTALINFORMATION

4. Measurements and Approximations of Total Radio $ctivity

a. Fission a.xl Activation Gases Gamma Spectroscopy

b. lodines Gamma Spectroscopy

c. Particulates Gamma Spectroscopy, Liquid Scintillation Gas Flow Proportional Counting

d. Tritium Liquid Scintillation Continuous release composite sample analyses for gross alpha, Sr-89, and Sr-90 are performed by off-site vendor.

5. Batch Releases 1st Qtr 2nd Qtr 3rd Qtr 4th Otr 1998

a. TotalNumberof Batch 7 10 1 1 19 Releases

b. TotalTime er Batch 7.11E+03 1.49E+03 2.40E+02 8.70E+01 8.93E + 03 1.77E+03 6.20E+02 2.40E+02 8.70E+01 1.77E + 03 1.02E+03 1.49E+02 2.40E+02 8.70E+01 4.70E + O2 i

)

5.00E+00 3.00E+01 2.40E+02 8.70E+01 5.00E + 00 R m es .

6. AbnormalReleases

a. ' Number of Releases 0 0 0 0 0

' b. Total Activity Released (Cl) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E + 00 Unit "0" batch releases are included in Unit "1" release quantifications.

o

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers 50-295 & 50-304)

GASEOUS EFFLUENTS LOWER LIMIT OF DETECTION (LLD) VALUES FOR GASEOUS RELEASES l

Isotope LLD (uCi/ml)

Alpha 5.25E-12 H-3 7.31E-08 l

Ar-41 1.39E-08 Kr-85 3.11E-06 Kr-87 4.62E-08 Kr-88 6.60E-08 Xe-131m 6.95E-07 Xe-133 4.43E-08 Xe-133m 1.19E-07 Xe-135 1.22E-08 Xe-138 6.83E-07 l-131 2.42E-13 1-133 2.36E-12 Mn-54 9.28E-13 Co-58 8.65E-13 Fe-59 1.76E-12 Co-60 2.88E-12 Zn-65 1.63E-12 Sr-89 3.75E-12 Sr-90 3.75E 12 Mo-99 1.17E-12 l Cs-134 9.77E 13 Cs-137 1.54E-12 Ce-141 1.93E-12 Ce-144 7.59E-12 NOTE: LLDs included for isotopes with established numerical values.

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IlON NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 (Docket Number 50-295)

LIQUID EFFLUENTS SUPPLEMENTAL RELEASE INFORMATION

1. Regulatory Limits See " Unit 1 & 2 LIQUID EFFLUENTS SUPPLEMENTAL INFORMATION"

2. Maximum Permissible Concentrations See " Unit 1 & 2 LIQUID EFFLUENTS SUPPLEMENTAL INFORMATION"

3. Measurements and Approximations of Total Radioactivity See " Unit 1 & 2 LIQUID EFFLUENTS SUPPLEMENTAL INFORMATION"

4. Batch Releases 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr 1998

a. Total Number of Batch Releases 12 10 8 28 58

' " tor Batch 7.16E+02 4.91E+02 4.25E+02 Reles in s) 2.28E+03 3.91 E + 03 e e m ue 9.60E+01 5.50E+01 7.50E+01 2.30E+02 2.39E + 02 9

5.97E+01 4.91 E+01 R e n s) 5.31E+C 8.14E+01 6.74E + 01

.h Rel minu es 4.80E+01 4.00E+01 4.10E+01 4.20E+01 4.00E + 01 5 Abnormal Releases

a. Number of Releases 0 0 0 0 0

b. Total Activity Released (Ci) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E + 00 l

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ZION NUCLEAR PO9KR STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 2 (Docket Number 50-304) i LIQUID EFFLUENTS SUPPLEMENTAL RELEASE INFORMATION

1. Regulatory Limits See " Unit 1 f. 2 LIQUID EFFLUENTS SUPPLEMENTAL INFORMATION"

2. Max: num Permissible Concentrations See " Unit 1 & 2 LIQUID EFFLUENTS SUPPLEMENTAL INFORMATION"

3. Measurements and Aporoximations of Total Radioactivity See " Unit 1 & 2 LIQUID FFFLUENTS SUPPLEMENTAL INFORMATION"

4. Batch Releases 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr 1998

a. Total Number of Batch releases 0 0 0 0 0 0.NE+00 0.NE+M 0.00E+M 0.00E+00 0.0M + 00 Re ea (min s) at e e ne 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E + 00 Re se 0.@E+M 0.00E+00 0.00E+00 0.00E+@ r 90E+ 00 nut s)

Rei e i es) 0.ME+00 OME@ 0.00E+00 0. N W 0.00E + 00 5 Abnormal Releases

a. Number of Releases 0 0 0 0 0

b. Total Activity Released (Cl) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E + 00 i

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ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers 50-295 & 50-304)

LIQUID EFFLUENTS SUPPLEMENTAL RELEASE INFORMATION

1. Regulatory Limits The calculated annual total quantity of all radioactive material above background released from each unit at Zion Station to unrestricted areas is limited by off-site dose restrictions stated in the station technical specifications, Off-site Dose Calculation Manual (ODCM), and 10CFR50 Appendix 1. The off-site dose limits per reactor unit are listed below.

Yearly I (mrem, )

Total Body 3 Organ 10 l

2. Maximum Permissible Concentrations Zion Station Technical Specifications limit concentrations of radioactive material released in liquid effluents to unrestricted areas to ten times the concentration values in Appendix B, Table 2, Column 2 to 10CFR20.

l

3. Measurements and Approximations of Total Radiosc'Jvity

a. Fission and Activation Products Gamma Spectroscopy, Liquid Scintillation Low-energy Photon Spectroscopy (LEPS, for Fe-55)

b. Tritium Liquid Scintillation

c. Noble Gases Gamma Spectroscopy

d. Gross Alpha Gas F!ow Proportional Counting Composite sample analyses for Fe-55, Sr-89, and Sr-90 are performed by off-site vendor.

4. Batch Releases 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr 1938

a. Total Number of Batch 12 10 8 28 58 Releases 7.16E+02 4.91 E+02 4.25E+02 2.28E+03 3.91 E+03 Re

.60E+01 5.50E+01 7.50E+01 2.39E+02 2.39E+02 at e e (m u e 5.97E+01 4.91 E+01 5.31E+01 8.14E+01 6.74E+01 at Re e n s 4.80E+01 4.00E+01 4.10E*01 4.20E+01 4.00E+01 j Re i s 5 Abnorrnal Releases

a. Number of Releases 0 0 0 0 0 l

b. Total Activity Released (Cl) 0.00E+00 0.00E+00 0.00E+GO 0.00E400 0.00E + 00 )

l

TON NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers 50-295 & 50-304) J LIQUID EFFLUENTS LOWEh LIMIT OF DETECTION (LLD) VALUES FOR LIQUID RELEASES l

Isotope LLD (uCi/ml)

Alpha 2.43E-08 H-3 3.58E-06 Ar-41 5.85E-08 Kr-85m 3.81 E-08 Kr-85 4.12E-06 Kr-87 1.03E-07 Kr-88 1.26E-07 Xe-131m 1.08E-06 Xe-133 8.05E-07 Xe-133m 1.88E-07 Xe-135m 6.01E-06 Xe-135 2.6SE-08 l-131 2.39E-08 Mn-54 2.65E-08 Fe-55 2.75E-07 Co-58 1.30E-08 Fe-59 2.11 E-08 Co-60 3.41 E-08 a Zn-65 3.34E-08 1 Sr-89 3.98E-09 Sr-90 3.98E-09 ;

Mo-99 2.38E-08 j Cs-134 2.31 E-08 )

Cs-137 1.56E-08 =

Ce-141 4.34E-08 Ce-144 2.01 E-07 ,

NOTE: LLDs included for isotopes with established numerical values.

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ZION NUCLEAR POVER STATION l ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 l UNIT 1 & 2 (Docket Numbers 50-295 & %304) l l

SOLID WASTE AND IRRADIATED FUEL SHIPMENTS i l

A. SOLIO WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (Not irradiated fuel)

3. Solid Waste Disposition l

Number of Shipments Mode of Transportation Destination

11 Exclusive Use Vehicle Bamwell, South Carolina ,

3 Exclusive Use Vehicle Memphis, Tennessee l 2 Exclusive Use Vehicle Oak Ridge, Tennessee I 1 Excluilve Use Vehicle Richland, Washington l l l

B. IRRADIATED FUEL SHIPMENTS l No irradiated fuel shipments were performed during 1998.

I I

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ZION NUCLEAR POWER STATION l ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers 50-295 & 50-304)

I SOLID WASTE AND IRRADIATED FUEL SHIPMENTS Radioactnie Shipmer'ts for 1998 Shipment Shipment Waste Container Solidification Activity Volume Date Number Media Receiver Class Type A0ent (Cl) (m') (ft')

l 1st Quar 1er 03/25/1998 ZRW98-001 Rosin Bamwell A 14-215 None 1.29E-01 5.83E+00 2.08E+02 Sub totale; 1 1.29E-01 5.83E+00 2.04E+02 I

2nd Quarter 04/09/1998 ZRW96002 Resin Barnwell A 8-120 None 7.58E-03 3.41E+00 1.20E+02 04/02/1998 ZRW98-003 DAW F.W. Hake A Seavan None 1.38E-02 3.35E+01 1.18E+03 04/10/1998 ZRW98-004 DAW Amer. Ecot A Seevan None 184E-02 7.25E+01 2.58E+03 04/20/1998 ZRWB.)-005 DAW Amer. Ecol A Seaven None 1.94E-02 7.25E+01 2.58E+03 f 05/08/1998 ZRW98-008 Filters Bamwell C 8-120 None 1.51E+01 3 41E+00 1.20E+02 05/14/1998 ZRW98-007 Rosin Bamwell A 14-215 None 4.40E-01 5.83E+00 2.06E+02 l 05/28/1998 ZRW98-008 Resan Bamwell A 14-215 None 2.045-02 5 83E+00 2.08E+02 Sub totale: 7 1.54E+01 1.97E+02 4.96E+03 l

( 3rd Quarter l

08/20/1998- ZRW98-009 CC Water BarnweG A 14-215 None 1.02E-03 5.83E+00 2.08E+02 09/23/1998 ZRW98-010 Rosin / sources Bamwell C 8-120 None 4.10E-03 3.41E+00 1.20E+02 09/17/1998 ZRW98-011 Oil ATG A 55 gal Drums None 2. 09E-01 1.47E+01 5.18E+02 ;

l Sub totale: 3 2.14E-01 2.39E+01 8.44E+02 ;

I l

4th Quarter.

l ]

11/05/1998 ZRW98-012 Filters Bamwell C 8-120 Nono 1.41 E+01 3.41E+00 1.20E+02 j j 11/18/1998 ZRW98-013 Filters Bamwell C 8-120 None 5.23E+00 3.41E+00 1.20E+02 j

l 12/08/1998 ZRW98-014 Rosin Bamwell A 8-120 None- 3.58E+01 3.41E+00 1.20E+02 l

11/25/1998 ZRW98-015 OAW F.W. Hake A Seaven None 3.88E-02 7.25E+01 2.58E+ 03 -1 12/08/1998 ZRW98-018 DAW F.W. Hake A Empty casks None 3.84E-08 5.95E+00 2.10E+02 l

12/21/1998 ZRW98-017 Rosin Bamwell A 8 120 None 3.35E+01 3.41E+00 1.20E+0,2_ l l Sub totale: 4 8.47E+01 9.21E+01 3.25E+03 j r

Totale: 17 1.05E+02 3.19E+02 1.13E+04 i I

Class A Class B Class C Number of Shipments 13 0 4 j

i Activity (Cl) 7.02E+01 3.44E+01 1 l Volume (m*) 3 05E+02 1.36E+01 l I

I

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ZION NUCLEAR POWER STATIOM ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC

{'

UNIT 1 (Docket Number 50-295)

INFANT RECEPTOR Maximum Quarterty Dose (mrad, mrem) Yearly Maximum % of j Otriy Obj [ 1st Qtr l 2nd Qtr l 3rd Qtr l 4th Otr Limit Annual Yearly '

Dose Dose 10CFR50 (mrad. Limit A. Airbome Appandix 1 mrem)-

Gamma Air 5.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrad 0.00E+00 0.00 %

Beta Air 10.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 20.0 mrad 0.00E+00 0.00 %

Total Body 2.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 5.0 mrem 0.0$c+00 0.00 %

Skin 7.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 15.0 mrom 0.00E+00 0.00 % i Organ 7.5 mrem 2.69E-03 1.80ti-03 6.96E-04 6.25E-04 15.0 mrem 5.81 E-03 0.04 %

Cntical Organ Lung Lung Liver Lung Lung

)

B. Aquatic Total Body 1.5 mrom 1.27E-05 3.75E-06 3.32E-06 1.95E-05 3.0 mrom 3.93E-05 0.00 % l Intemal Or9an 5.0 mrem 1.86E-05 1.27E-05 1.40E-05 2.86E-05 10.0 mrom 7.39E 05 0.00 % l Crincal Organ Liver Liver Liver Liver Liver l

Total body doses to individuals and populations in unrestricted areas from direct radiation frorn Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 annual limits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 and Appendix E).

I

ZION NUCLEAR POVER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC UNIT 1 (Docket Number 50-295)

CHILD RECEPTOR Maximum Quarterly Dose (mrad, mrem) Yearly Maximum % of Otriy Obj l 1st Qtr l 2nd Qtr l 3rd Otr l 4th Otr Limit Annual Yearly Dose Dosc 10CFR50 (mrad, Limit A. Airbome Appendix I mrem)

Gamma Air 5.0 mrad 0.00E+00 0.00E+0010.00E+00 0.00E+00 10.0 mrad 0.00E+00 0.00%

Beta Air 10.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 20.0 mrad 0.00E+00 0.00 %

Total Body 2.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 5.0 mrem 0.00E+00 0.00 %

Skin 7.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 15.0 mrem 0.00E+00 0.00 %

Organ 7.5 mrem P. 73E-03 2.19E-03 1.06E-03 2.41E-02 15.0 mrem 3.01 E-02 0.20 %

Critical Organ Lung Bone Bone Lung Liv 6r B. Aquatic Total Body 1.5 mrem 1.55E-05 7.58E-06 7.44E-06 2.46E-05 IO mrem 5.51 E-05 0.00 %

Intemal Organ 5.0 mrem 3.23E-05 3.19E-05 3.45E-05 5.40E-05 10.0 mrem 1.53E-04 0.00 %

Cntical Organ Liver Liver Liver Liver Liver Total body doses to individuals and populations in unrestricted areas from direct radiation from Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 annual limits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 and Appendix E).

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ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC UNIT 1 (Docket Number 50-295)

TEENAGE RECEPTOR Maximum Quarterly Dose (mrad, mrem) Yearly Maximum % of Otrfy Obj l 1st Qtr l 2nd Otr l 3rd Qtr l 4tc Otr_ Limit Annual Yearly i Dose Dose 10CFR50 (mrad, Limit A. Alttume Appendix 1 mrem) ;

i Gamma Air 6.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrad 0.00E+00 0.00 % f Beta Air 10.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 20.0 mrad 0.00E+00 0.00 % l Total Body 2.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 5.0 mrem 0.00E4 00 0.00 %

Skin 7.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 15.0 mrem 0.00E+00 0.00 %

Organ 7.5 mrem 2.75E-03 ' 2.01E-03 8.98E-04 1.58E-02 15.0 mrem 2.15E-02 0.14%

Critical Organ Lung Liver Liver iung Liver I

B. Aquatic Total Body 1.5 m em 1.34E-05 1.13E-05 1.19E-05 2.23E-05 3.0 mrem 5.89E-05 0.00 %

Intemal Organ 5.0 mrem 2.55E-05 2.87E-05 3.08E-05 4.45E-05 10.0 mrem 1.30E 04 0.00 %

Critical Organ Liver Liver t.iver Liver Liver Total body doses to individuals and populations in unrestricted areas from direct radiation from Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 annuallimits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 and Appendix E).

i

ZION NUCLEAR POVER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC UNIT 1 (Docket Number 50-295)

ADULT RECEPTOR Maimum Quarterly Dose (rnrad, mrem) Yearly Maximum % of Otriy Obj l 1st Qtr l 2nd Otr l 3rd Otr l 4th Otr Limit Annual Yearly Dose Dose 10CFR50 (mrad, Limit A. Airbome Appendix I mrem)

Gamma Air 5.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrad 0.00E+00 0.00%

Beta Air 10.0 mrad 0.00E+00 0.00E+00 0.00E+00 0.00E+00 20.0 mrad 0.00E+00 0.00 %

Total Body 2.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 5.0 mrem 0.00E+00 0.00 %

Skin 7.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 15.0 mrem 0.00E+00 0.00 % '

Organ 7.5 mrern 2.71 E-03 1.91 E-03 8.24E-04 1.39E-02 15.0 mrem 1.93E-02 0.13%

Critical Organ ,

Lung ,

Liver Liver Lung Liver B. Aquatic

?

Total Body 1.5 mrem 2.17E-05 2.00E-05 2.13E-05 3.60E-05 3.0 mrem 9.90E-05 0.00% ;

intemal Organ 5.0 mrem 2.75E-05 2.86E 05 3.08E-05 4.62E-05 10.0 mrem 1.33E-04 0.00 % i Cntical Organ Liver Liver Liver Liver Liver l 1

Total body doses to Individuals and populations in unrestricted areas frori direct radiation from Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 annuallimits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 and Appendix E).

.1

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC UNIT 2 (Docket Number 50-304)

I INFANT RECEPTOR l

Maximum Quarterly Dose (mrad, mrem) Yearly Maximum % of Otriy Obj l 1st Otr l 2nd Otr l 3rd Qtr l 4th Otr Limit Annual Yearly Dose Dose ,

10CFR50 (mrad, Limit l A. Airbome Appendix 1 mrem) 1 Gamma Air 5.0 mrad 0.00E+00 0.00E+00 2.30E-09 0.00E+00 10.0 mrad 2.30E49 0.00 %

Beta Air 10.0 mrad 0.00E+00 0.00E+00 1.04E-06 0.00E+00 20.0 mrad 1.04E-06 0.00 %

"l'otal Body 2.5 mrom 0.00E+00 0.00E+00 1.73E-09 0.00E+2 5.0 mrem 1.73E 09 0.00 %

Skin 7.5 mrom 0.00E+00 0.00E+00 7.18E-07 0.00E+00 15.0 mrem 7.18E-07 0.00 %

Organ 7.5 mrem 1.47E-03 2.06E43 4.89E-04 5.73E-04 15.0 mrem 4.59E-03 0.03%

Critical Organ Lung Lung Lung , Lung '.ung B. Aquatic Total Body 1.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.0 mrem 0.00E+00 0.00 %

intemal Organ 5.0 mrom 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrem 0.00E+00 0.00 %

Cntical Organ N/A N/A N/A N/A N/A Total body doses to individuals and populations in unrestricted areas from direct radiation from Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 annuallimits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 aid Appendix E).

1

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC UNIT 2 (Docket Number 50-304)

CHILD RECEPTOR Maximum Quarterly Dose (mrad, mrem) Yea:iy Maximum % of Otrty Obj l 1st Qtr l 2nd Qtr l 3rd Otr l 4th Qtr Limit Annual Yearly Dose Dose 10CFR50 (mrad, Limit A. Airbome Appendix 1 mrem)

Gamma Air 5.0 mrad 0.00E+00 0.00E+00 2.30E-09 0.00E+00 10.0 mrad 2.30E49 0.00 %

Beta Air 10.0 mrad 0.00E+00 0.00E+00 1.04E-06 0.00E+00 20.0 mrad 1.04E46 0.00% .

Total Body 2.5 mrom 0.00E+00 0.00E+00 1.73E-09 0.00E+00 5.0 mrem 1.73E-09 0.00 %

Skin 7.5 mrom 0.00E+00 0.00E+00 7.18E-07 0.00E+00 15.0 mrem 7.18E47 0.00 %

Organ 7.5 mrem 1.49E-03 2.30E-03 6.28E-04 1.63E-02_ 15.0 mrem 2.07E42 0.14%

Critical Organ Lung Bone Bone Liver Liver B. Aquatic 4 l

Total Body 1.5 mrom 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.0 mrem 0.00E+00 0.00 %

Intema! Organ 5.0 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrem 0.00E+00 0.00 %

Critical Organ N/A N/A N/A N/A N/A Total body doses to individuals end populations in unrestricted areas from direct radiation from Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 annual limits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 and Appendix E).

l l

o i

i t

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC UNIT 2 (Docket Number 50-304)

TEENAGE RECEPTOR Maximum Quarterly Dose (mrad, mrem) Yearly Maximum % of Otrly Obj l 1st Qtr l 2nd Qtr l 3rd Ott l 4th Qtr Limit Annual Yearly Dose Dose 10CFR50 (mrad, Limit A. Airbome Appendix i mrem)

Gamma Air 5.0 mrad 0.00E+00 0.00E+00 2.30E-09 0.00E+00 10.0 mrad 2.30E-09 0.00 %

Beta Air 10.0 mrad 0.00E+00 0.00E+00 1.04E-06 0.00E+00 20.0 mrad 1.04E-06 0.00 %

Total Body 2.5 mrem 0.00E+00 0.00E+00 1.73E-09 0.00E+00 5.0 mrem 1.73E-09 0.00 %

Skin 7.5 mrem 0.00E+00 0.00E+00 7.18E-07 0.00E+00 15.0 mrem 7.18E-07 0.00 %

Organ. 7.5 mrem 1.51 E-03 2.18E-03 5.65E-04 1.08E-02 15.0 mrom 1.51E 02 0.10% !

Cntical Organ Lung Liver Liver Lung Liver B. Aquatic Total Body 1.5 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.0 mrem 0.00E+00 0.00 %

Intemal Organ 5.0 mrem 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrem 0.00E+00 0.00 % ;

Critical Organ N/A N/A N/A N/A

~

N/A Total body doses to individuals and populations in unrestricted areas from direct radiation from Zion Station are judged to be negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 j annual limits of 25 mrem DDE whole body,75 mrem CDE thyroid, and 25 mrem CDE other organs (ODCM l Section 3.3 and Appendix E).

I l

)

ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 DOSE TO PUBLIC )

UNIT 2 (Docket Number 50-304) !

l ADULT RECEPTOR t

Maximum Quarterly Dose (mrad, mrem) Yearly Maximum % of l Otriy Obj l 1st Otr l 2nd Qtr l 3rd Otr l 4th Qtr Limit Annust Yearly )

Dose Dose j 10CFR50 (mrad, Limit j A. Airborne Appendix 1 mrem)

Gamma Air 5.0 mrad 0.00E+00 0.00E+00 2.30E-09 0.00E+00 10.0 mrad 2.30E-09 0.00 %

Beta Air 10.0 mrad 0.00E+00 0.00E+00 1.04E-06 0.00E+00 20.0 mrad 1.04E-06 0.00 %

Total Body 2.5 mrom 0.00E+00 0.00E+00 1.73E-09 0.00E+00 5.0 mrem 1.73E 09 0$0%

Skin 7.5 mrom 0.00E+00 0.00E+00 7.18E-07 0.00E+00 15.0 mrom 7.18E-07 0.(4%

Organ 7.5 mrom 1.48E-03 2.12E.n3 5.34E-04 9.50E-03 15.0 mrem 1.36E-02 0.09 %

Cntical Organ Lung Liver Liver Lung Liver B. Aquatic Total Body 1.5 mrom 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.0 mrom 0.00E+00 0.00 %

intemal Organ 5.0 mrom 0.00E+00 0.00E+00 0.00E+00 0.00E+00 10.0 mrem 0.00E+00 0.00 %

Critical Organ N/A N/A N/A N/A N/A Total body doses to individuals and populations in unrestricted areas from direct radiation from Zion Station are judged to ba negligible in comparison with 10CFR20 annual limit of 100 mrem TEDE and 40CFR190 1 annual limits of 25 mrem DDE whole body,75 mrom CDE thyroid, and 25 mrem CDE other organs (ODCM Section 3.3 and Appendix E).

l

[ l CaddIIM STAT 13 Jawyhth 1998 35 ft. Wit SPEED and VIE DIRECT 13 250 35 ft.DiffEENTIAL IDFERA!WE EMER OF OBSERVAT10XS = 2060 MS MI PEEEXT OCCWEKI i

g ..... . - - ........ - yte g[gtijg (LAssts - . .......

......... STMilllY CLASSES - ----

CLASS X E E EE I ESE SE SSE - 5 SW 2H W N E N TOTAL EU E 2 N SS E ES TOTAL EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ,

i E .00 .00 .00 .00 .00 .00 .f2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 A X .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .!0 .00 .00 .00 L SS .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 M E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E! .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

.00 EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .M .00 .00 .00 .00 .00 .00 .00 .00 1 SU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 N .00 .15 .15 .10 '.05 .05 .05 .00 .05 .00 .15 ,00 .15 .10 .05 .05 1.07 1.07 3 SS .49 .73 .49 .29 .39 .24 .34 .24 .M .73 .58 .73 .73 1.02 .78 .49 8.59 8.59 E .15 .19 .05 .05 .05 .00 .10 .10 .10 .24 .19 .0 .10 .19 .H .5 2.72 2.72 ES .05 .00 .05 .00 .05 .00 .10 .00 .05 .00 .05 .05 .00 .05 .15 .05 .63 .9 13.01 EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 4 SU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 N .73 1.70 .6 .29 .M .44 .6 .M .39 .44 .49 .73 1.31 .97 1.07 .0 10.83 10.83 7 55 1.65 1.07 .73 . 6 .29 .44 .68 1.07 2.72 1.12 1,46 1.12 2.28 1.60 1. 5 1.26 19. 5 19. 5 E .49 .15 .15 .10 .15 .05 .15 .29 .6 .19 .24 .15 .53 .29 .15 .29 3.83 3.0 E! .00 .05 .00 .00 .00 .05 .00 .5 .10 .00 .00 .05 .00 .15 .00 .00 .44 .44 M.95 EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .05 .00 .00 .10 .10 8 SU .00 .15 .00 .05 .15 .00 .00 .00 .00 .00 .00 .00 .00 .19 .00 .00 .53 .53 X 1.55 1.50 .44 .29 .53 .10 .15 .19 .24 .19 H .24 1.31 1.75 1.50 1.07 11.41 11.41 1 $$ !.04 1,41 1.21 .92 1.17 1.02 .53 1.17 1.12 1.12 1.36 .19 .68 .68 !O .63 15.34 15.M 2 E .00 .05 .00 .00 .5 .10 .05 .6 .44 .05 .05 .00 .00 .00 .00 .00 1.26 1.26 IS .00 .00 .05 .00 .05 .00 .00 .19 .29 .00 .00 .00 .00 .00 .00 .00 .58 58 29.22 EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 3 50 .05 .10 .00 .00 .00 .00 00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .19 .19

- I .92 1.70 .29 .M 1.12 1.17 .00 .00 .00 .00 .68 .19 .10 .00 .24 .6 7.23 1.23 1 55 1.02 2.72 .58 1.17 .49 .24 .24 .29 .05 1.26 2.33 . 0 .15 .05 .44 .05 11.70 11.70 8 E .00 .00 .00 .00 .05 .24 .00 .00 .05 .05 .00 .00 .00 .00 .00 .00 .39 .39

!! .00 .00 .00 .00 .05 .00 .00 . 5 .05 .00 .00 .00 .00 .00 .00 .00 .15 .15 19.66

i Car d lis STAil3 Janary-March 1998 35 ft. VIE PEG id VIE Dit!CTim 250-35 ft. DIFFERENTIAL TEMAT3E y[g ..... .......... ....... ........ g gCH3 CLASSES - -- - -- - - ---

- -- - STEllY CLES - - - -

I CLASS X E E EE E ESE SE SSE S 59 2N W N W N TOTAL EU W SU N SS MS ES TOTAL EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 W .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 9 SU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 I .24 .39 .05 .00 .N .10 .00 .00 .00 .19 .24 .05 .00 .00 .00 .24 1.50 1.50 i

! SS .15 .10 .00 .05 .00 .15 .00 .00 .00 .24 .49 .05 .00 .00 .00 .00 1.!! 1.!! j 4 XS .00 .00 .00 .00 .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .05 .05 ES .00 .00 .00 .00 .00 .a .00 .00 .00 .x .00 .00 .00 .00 .00 .00 .e .00 !

2.77 l 1

EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ) '

i W .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 i SU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 {

X .M .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .M .34 1

! SS .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .05 )

4 MS .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 i ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 j i

.39 i

TOT 9.9012.14 4.714.13 5.00 4.37 2.86 4.516.46 5.83 8.83 4.817.33 7.M 6.70 5.M 100.00 .00 .10 .73 32.38 H.75 8.251.80100.00 I l,

Wind Directin by Stdllity i

R E E EE E ESE SE SSE S 52 9N V N W N TOTAL STA81LiiY CLASSES-

.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 Ertruly kstele

.00 .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .05 .00 .00 .10 Werately kstdle

.05 .24 .00 .05 .15 .00 .00 .00 .N .00 .JO .00 .00 .19 .00 .05 .D Slightly kstdle 3.79 5.441.41 1.02 2.041.84 .68 .53 .2 .831.891.212K '. 82 2.86 2.48 32.38 Xstral 5.39 6.02 3.01 2.91 2.33 2.09 1.80 2.77 4.22 4.47 6.!! 2.72 3. 0 3.35 3.20 2.43 56.75 Slightly Stdle i

. 0 .39 .19 .15 .29 .39 .29 .92 1.07 .53 . 2 .78 . 0 .49 .49 .34 8.25 Merately Stdle

.05 .05 .10 .00 ,15 .05 .10 .29 .49 .00 .05 .10 .00 .19 .15 .05 1.80 Ertruly Stdle

{

Wind Directie by Wind Speed .

l 1 E E EE E ESE SE SSE $ SW WG V W W N TOTAL WIE PED CLASSES- I i

.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 CALM j

.2 1.07 .D .44 .53 .29 .58 .M .53 .97 1.17 1.41 .97 1.X l 31 .0 13.01 0.8 3.5 gh 2.86 2.961.X .87 .78 .971.31 1.75 3.691.75 2.18 2.04 4.13 3.013.112.18 34.95 3.6 - 7.5 gh i 3.59 3.11 1.?0 1.26 1.99 1.21 .73 2.04 2.09 1.X 1.75 .44 1.99 2.67 1.60 1.70 29.22 7.5 12.5 gh !

1.99 4.51 .87 1.50 1.70 1.E .24 .M .15 1.31 3.01 .83 .24 .05 .68 .2 19.E !!.6 18.5 gh !

.39 .49 .05 .05 .00 .24 .00 .05 .00 .44 .73 .10 .00 .00 .00 .H 2.77 18.6 24.5 gh

.39 .00 .00 .00 .00 .00 .00 .00 . 5 00 .00 .00 .00 .00 .00 .00 .39 > 24.5 gh i

l

CaEdIION STATION April-he 1998 35 ft. WIE SPED and W!E DIETIN 250 35 ft.DIffEPilAL IDFEuiiRE lillH Of MATIDE = IH3 MS RE P[RCENT ONEE SPEED - -- -

WIE DIETIN CLASSES STABIlm (LASSE5 - -

CLASS X K E EE E ESE SE 15E 5 52 2 WSW W M E N TOTAL R E 50 1 55 E ES 10TAL B .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

( 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 A I .00 .00 .00 .00 .00 .00 .00 .00 .00 00 .00 .00 .00 .00 .00 .00 .00 .00 L 55 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .% .00 .00 M E 3 .5 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

.00 0 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 X .00 .00 .00 .05 .00 .05 .05 .00 .00 .00 .00 .% .00 .00 .05 .00 .21 .!!

! SS .62 .51 . 5 .21 . 4 . 4 .31 . 4 .15 .21 .05 .26 .41 .31 .51 .10 5.30 5.30 E .26 .% .31 .15 .21 .36 .10 .% .41 1.18 .4 .15 .15 .41 .51 .10 5.51 5.51 i ES .10 .15 .10 .05 .05 .00 .00 .10 .!! .36 .87 .U .93 .31 .!! .10 4.32 4.32 15.M R .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .m .00 I .00 .00 .00 .00 .00 .00 .00 .00 .00 4 2 .00 .05 .05 .00 .05 .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .!! .!!

X .62 1.13 1.34 .51 .62 1.03 .57 .31 .05 .00 .05 .00 .26 .26 .36 .36 7.6 7.4 7 55 3.55 4.01 1.54 1.24 1.44 1.24 2.26 1.75 1.39 .62 . 4 .82 1.13 .87 .72 1.39 24.45 24.45 6 .41 .72 .57 .15 .87 . 4 .62 .67 1.18 .98 .62 .98 .93 .67 .36 . 4 10.65 10.65 i

E! .00 .5 .00 .00 .05 .10 .05 .6 .82 .H .36 .261.13 .36 .00 .05 4.48 4.48

("5 l

D .00 .!] .5 .00 .10 .00 .00 .00 .c .00 .00 .00 .00 .00 .00 .00 .57 .57 E .00 .15 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 % .00 .00 .00 .15 .15 8 2 .00 .N .00 .!! .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .46 .4

- l 1.03 2.11 /5 .51 ,00 .10 .21 .51 .00 .00 . 4 1.13 .62 .93 .67 .26 9.01 9.01 155 3.35 2.11 .82 .57 .72 .72 .E 1.44 .36 .9 .R .87 1.29 .57 .15 .21 15.08 15.08 l 2 E .05 .05 .05 .31 .4 .00 .!! .67 .82 .10 .00 .00 .10 .00 .00 .00 2.83 2.83 ES .00 .00 .00 .05 .00 .15 .00 .31 15 .0D .00 .00 .00 .00 .00 .00 .67 .9 28.U l

s .m .05 .00 .00 x .00 30 .00 .00 .00 .00 .00 .m .00 .On .00 .05 .05 )

1 E .00 .00 .00 .00 .00 .00 .m .m .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 3 2 .05 . 5 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .31 .31 1 1.08 .37 .!! .10 .00 .00 .00 .00 .00 .00 .05 .15 .05 .26 .15 .00 2.93 2.93 l' 155 1.13 .62 .5 .4 .5 .10 .05 .00 .5 .5 .X .26 .15 .05 .00 .00 3.60 3.60 8 5 .00 .00 .00 .05 .10 .05 .00 .15 .05 .00 .05 .00 .00 .00 .00 .00 .4 .4 E5 .00 .00 .00 .00 .00 .00 .00 .10 .00 .00 00 .00 .00 .00 .00 .00 .10

. .10 7.46 ,

I

r Codd 215 STAT 15 Aprl14me 1998 35 ft. WIE PED ad u!E DIRECTIN 250-35 ft. DIITREITIAL IMSAME pgp .. ..... .. VIE DIRECT 13 CLAWS - - - - - - - - - -

STABILITY CLASSES -----

CLASS I E E EE E UE SE SSE 5 52 WH V N W N TOTAL EU W 9 I 55 E ES TOTAL G .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 9 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 I .36 .F. 00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .(1 .41 2 55 .36 .00 .00 .05 . 5 .00 .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .51 .51 4 5 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .15 .00 .00 .00 .00 .00 .00 .00 .00 .15 .15 1.08 G .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 6 E .00 .00 .00 .00 .00 .00 A .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .50 .00 .00 .00 .00 .00 .00 .00 .00 X .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2 55 .00 .00 .00 .05 .05 .00 .00 .00 .00 .00 .09 .00 .00 .00 .00 .00 .10 .10 4 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .M .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .90 .00 .00

.10 10T 12.9713.69 6.02 4.73 5.56 4.5 4.5 7.4 5.H 4.99 4.58 5.66 7.15 4.99 3.713.0A 100.00 .62 .15 .98 i0.02 49.0519.45 9.73100.00 WiW Direction by Stdility N N E EE E ESE SE SSE 5 SSW WH V N W W TOTAL STABILITY CLASSES-

.00 .N .26 .00 .10 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .62 Extruly hstdle

.00 .15 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .15 lbierately hstele

.05 57 .05 .!! .05 .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .98 Slightly hstele 3.09 4.12 2.01 1.18 .67 1.18 .82 .82 .05 .00 .57 1.29 .93 1.44 1.24 .62 20.02 Neutral 9.01 7.26 2.66 2.57 2.99 2.52 3.09 3.65 i.96 1. 9 1.65 2.!! 2.99 1.80 1.39 1.70 49.05 Slightly Stele

.72 1.13 .93 .67 1.65 .87 .93 1.85 2.47 2.26 1.13 1.13 1.18 1.08 .87 .57 19. 6 Moderately Stdle

.10 .!! .10 .10 .10 .26 .05 1.13 1.18 1.13 1.24 1.03 2.06 .67 .21 .15 9.73 Extruly Stdle Wind Directin by Wid Speed i K E EE E ESE SE SSE 5 SW WN V N W N TOTAL -WIE PEG CLASSES-

.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 CALM

.98 1.03 .67 .E .72 .87 .4 .93 J7 1.75 1,39 1.18 1.49 1.03 1.29 .31 15.34 0.8 - 3.5 gh 4.58 5.97 3.50 1.90 3.04 !.88 3.50 3.19 3. 6 2.37 1.49 2.06 3.45 2.16 1,44 2.25 47.25 3.6 - 7.5 gh l.

! 4.43 4. 5 1.60 1.65 1.29 .98 .87 2 93 1.34 .77 1.24 2.01 2.01 1.49 .82 .46 28.77 7.6 12.5 gh 2.26 1.80 .26 ' .62 .36 .15 .05 .26 .10 .0s . 4 .41 .21 .31 .15 .00 7. 4 !!.6 - 18.5 gh

.72 .00 .00 .05 .10 .00 .00 .15 .00 .05 .00 .00 .00 .00 .00 .00 1.08 18.6 - 24.5 gh

.00 .00 .00 .05 . 5 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .10 > 24.5 gh i

l CodIl0N STAil3 My-Septaber 1998 35 ft. EE PEG and U2 DIRECT 13 250-35 ft. OlffESTIAL TSRAME WAR Of ESRVAT135 = 2183 i

l MS ME PRCEXT OCCIEEEE 9ED l

-- - EE D!xECil3 CLASSES = --- STABILITY CLA525 - -

CLASS I NNE E EE E ESE SE SSE 5 52 2N V N E N TOTAL EU E SU X 55 E El TOTAL l EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C 50 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 A X .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l t 55 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 !

M E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E3 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 :

.00 l EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 SU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .4 .00 .00 .00 .00

- N .05 .09 .00 .05 .09 .05 .05 .05 .00 .14 .09 .09 .05 .14 .05 .00 .96 .96 l 3 55 .41 .50 .14 .23 .50 .27 .23 .32 .78 .64 .32 .27 .37 .46 .23 .23 5.91 5.91 5 .32 .05 .00 .00 .00 .14 .G .18 .18 1.05 1.19 1.10 .82 .50 .73 .41 6.78 6.78 ES .00 .00 .Os .00 .00 .00 .00 .00 .14 .371.241.24 1.371.19 .87 .14 6.64 6.64 20.29 1

l EU .00 .14 .14 .55 .50 .23 .14 .00 .00 .00 .00 .00 .00 .05 .00 .00 1.83 1.83 E .09 .18 .09 .18 .32 .23 .09 .05 .00 .00 .00 .00 .00 .09 .14 .00 1.47 1.47 ;

4 SU .00 .37 .46 .27 .23 .32 .23 .09 .05 .00 .14 .09 .09 .14 .18 .09 2.75 2.75 l

- X .41 1.19 1.19 .55 .96 1.42 1.47 .73 .60 .60 .82 .73 1.10 .95 .87 .37 13.97 13.97 7 55 1.33 1.51 .50 .64 . % .82 1.10 1.42 2.34 1.33 1.88 1.83 1.88 1.24 1.42 .92 21.12 21.12 E .27 .09 .00 .00 .00 .09 .00 .05 .50 1.10 1.37 .82 1.5 1.24 1.24 .60 8.43 8.43 ES .5 .00 .00 .00 .00 .00 .00 .00 .05 .23 .64 .96 .95 1.51 .73 .00 5.13 5.13 54.70 EU .5 1.01 .5 .09 .00 .05 .05 .00 .00 .00 .00 .00 .00 .5 .23 .00 1.56 1.56 E .18 .46 .09 .09 .00 .05 .23 .00 .00 .00 .00 .09 .00 .05 .23 .00 1.47 1.(7 8 SU .14 .32 .14 .00 .00 .09 .00 .14 .00 .09 .14 .14 .05 .09 .05 .14 1.51 1.51

- X .73 .87 .09 .05 .00 .92 .78 1.88 .00 .14 1.01 .78 .96 .18 .50 .09 8.98 8.98 155 .781.42 .64 .37 .05 1.05 .41 1.10 .14 .23 .Bl .18 .37 .23 .18 .32 8.93 8.93 2 5 .00 .00 .00 .00 .00 .00 .05 .00 .00 .00 . 5 .05 .37 .00 .00 .00 .50 .50 E3 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ')0 .00 .00 .00 .00 .00 22.95 EU .14 .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .18 .18 1 E .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .05 l 3 SU .00 .09 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .09 .09 X .14 .00 .00 .00 .00 .00 .00 .00 .X .00 .50 .14 .18 .00 .00 .00 .96 .96 1 55 . 5 .00 .00 .00 .00 .23 .00 .00 .00 .00 .41 .09 .00 .00 .00 .00 .78 .78 8 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2.06 t

CaEd Zim STATION Aly Septaser 1998 35 ft. V!E PEG ad IIE DitECil3 22-35 ft. DIMUTIAL IDPERATRE PEED - -- - VIE DIETl3 Ct/SSES - --

- - - STEILIH CBSES --.- ---- l CLASS I RE E IE I IE E $$E S SW 9N W N W M TOIR H E SU R SS E IS 101R l

B .00 .00 .00 .00 .00 .00 .00 .00 .00 .e .00 .00 .00 .0L .00 .00 .00 .00 1 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 l 9 SU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 i .00 .00 .n .a .n .00 .00 .a .n .00 .00 .00 .00 .n .00 .00 .00 .00 l

2 SS .00 .00 .00 .00 .00 .s .a .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 4 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .30 00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

.00 ,

l B .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 I a e .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .0a .m .a .00 .00 .m i 5 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 . 0 .00 .00 .00 I .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 j 2 55 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 4 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 1 .00 .00 .00 .00 .00 .00 K .00 .00 .00 .00

.00 TOT 5.18 8.34 3.62 3.07 3.715.96 4.90 6.00 4.76 5.9110.67 9.219.62 8.117.65 3.30100.00 3.57 2.98 4.35 24.87 36.7415.7111

.' lirectia by Stability aE E EE E ESE SE SSE S SW 2N V N W N TOTR STE!L!n CLASSES-

.18 1.19 .18 .64 .2 .27 .18 .00 .00 .00 .00 .00 .00 .M .23 .00 3.57 Extruly hstable

.32 .64 .18 .27 .32 .27 .32 .05 .00 .00 .00 .H .00 .14 .37 .00 2.98 Naderately hstable

.14 .78 . 2 .27 .23 .41 .23 .23 .05 .09 .27 .23 .14 .23 .23 .23 4.35 Sli$tly hstable 1.33 2.15 1.28 .64 1.05 2.38 2.29 2.66 .60 .87 2.43 1.74 2.29 1.28 1.42 . 4 24.87 heatral 2.57 3.44 1.28 1.24 1.51 2.38 1.74 2.84 3. 5 2.20 3.48 2.98 2.61 1.92 1.83 1.47 36.74 Sli@tly Stable

.60 .14 .00 .00 .00 .23 .14 .23 .69 2.15 2.61 1.97 2.24 1.74 1.97 1.01 15.71 Moderately Stable

.05 .00 . 5 .00 .00 .00 .00 .00 .18 . 9 1. 5 2.20 2.34 2.70 1.60 .14 11.77 Ertruely Stable m Direction by Wind Speed N N E EE E ESE SE SSE S SW WH V N W N TOTR -VIE PEG CLASSES-

.00 .00 .00 .r .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 CALp

.78 .64 .23 .27 .60 .4 .37 .551.10 2.20 2.N 2.70 2.612.291.88 .78 20.29 0.83.5@

2.15 3.# !.38 2.20 3R 3.113.02 2.34 S.53 3.25 4.86 4.44 5.5 5.22 4.581.9 54.70 3.6 - 7.5 $

1.88 4. 2 1.01 .60 .05 2.15 1.51 3.11 .14 . 4 2.06 1.83 1.74 .60 1.19 .55 22.95 7.6 - 12.5 $

.37 .14 .00 .00 .00 .23 .00 .00 .00 .00 .92 .23 .18 .00 .00 .00 2.06 12.6 - 18.5 $

.00 .00 .00 .00 .00 .00 .a .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 18.6 24.5 *

.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 00 .00 .00 .00 > 24.5 $

i

CaddI13 STATION Ottaber-Decuber 1998 35 ft.1!E PEE 0 ud VIE DRECTION 250-35 ft. D!ffDDTIAL TDFRATWE HER Of 0858VATIONS = 2204 VAWE5 E PRCERT OCCSEEE PEB - -

V!E DRECTION CLASSE5 - - - - - - -

STABillTV CLASSES

CLASS X E NE EXE E ESE SE SSE 5 SSW SW W5W W W W W TOTAL EU E SU X 55 MS E5 TOTAL R .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 NU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 C 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 A X .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 t 55 .00 .00 .00 .00 .W .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .%

N NS .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

.00 EU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 50 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

- R .05 .00 .00 .00 .00 .00 .00 .00 .00 .00 .32 .00 .36 .23 J1 .05 1.23 1.21 3 55 .18 .09 .05 .09 .00 .23 .00 .05 .14 .45 .14 .36 .32 .09 . " .14 2.59 2.59 NS .14 .23 .05 .00 .00 .05 .05 .23 .50 .64 .41 .45 .27 .14 .09 .00 3.22 3.22 ES .00 .14 .00 .00 .00 .00 .05 .09 .00 .18 .36 .32 .54 .41 .05 .00 2.13 2.13 9.U 1

0 .05 .00 .18 .00 .00 .00 .00 .00 .00 .00 .00 .00 .05 .05 .09 .05 .45 .45 )

MJ .05 .00 .00 .09 .05 .00 .00 .00 .00 .00 .00 .00 .05 .00 .00 .00 .23 .23 4 50 .05 .09 .00 .09 .00 .05 .05 .05 .00 .00 .09 .14 .23 .09 .14 .09 1.13 1.13

- X .32 .32 .!4 .14 .05 .!i .41 .45 .27 .18 .59 1.00 1.68 1.13 1.68 1.50 10.07 10.07 7 55 .41 .36 .36 .18 .23 .05 .41 .64 1.86 1.54 2.54 2.36 2.63 2.54 3.22 1.00 20.37 20.37 M5 .27 .14 .05 .05 .00 % .05 .27 .64 .82 .54 .73 .77 .36 .64 .18 5.54 5.54 ES .05 .05 .00 .00 M .00 .00 .14 .23 .05 .23 .23 .73 1.09 .36 .00 3.13 3.13 40.93 9 .00 .00 ?) .00 .14 .05 .00 .00 .00 .00 .00 .14 .18 .36 .23 .00 1.09 1.09 E .05 .09 .A .00 .05 .00 .09 .05 .00 .00 .05 .23 .18 .32 .00 .14 1.23 1.23 8 50 .09 .09 .00 .00 .00 .00 .18 .05 .00 .05 .23 .45 .73 .64 .64 .23 3.36 3.36

- N .45 .32 .00 .00 .64 .27 .36 .95 .36 .82 1.9 1.91 1.72 1.95 1.13 2.04 14.61 14.61 155 .23 .32 .23 .14 .18 .54 .54 .821.41 1.27 2.401.D 2.45 .59 .36 .1413.38 13.38 2 M5 .00 .00 .00 .00 .00 .00 .00 .00 .14 .00 .00 .27 .23 .00 .00 .00 .64 .64 ES .00 .00 .00 .00 .00 .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .00 .05 .05 34.35 0 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .09 .00 .00 .00 .09 .18 .18 1 NU .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .09 .09 .09 3 SU .00 .00 .05 .00 .00 .00 .00 .00 .00 .00 .05 .00 .18 .14 .00 .14 .54 .54

- X .14 .45 .Tl .18 .59 .27 .50 .27 .09 .91 .95 .95 1.00 .64 .18 .23 8.12 8.12 1 55 .00 .00 .00 .05 .18 .23 .18 .09 .09 1.27 .91 .50 .14 .00 .05 .00 3.68 3.68 8 NS .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 12.61 l

l

r Ca[dIl3 STATION Ottaber-Deceder 1998 35 ft. W!E SPEG nd VIE DIECTIS 250-35 ft. DIffESTIAL TDFSAME 1

sp[g .......... .... WIE DEM CUSE5 --- - - - - - - - -

- ----- SIElllH (USE5 -

! CLASS X K E [E E ESE SE d 5 52 2N V N W N TOTAL EU E SU R 55 E E5 TOTAL H .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 9 PJ .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .5 .05 .05 X .05 .00 .18 .50 .00 .23 .00 .05 .00 .14 .05 .05 .23 .00 .H .00 1.45 1.45 2 55 .00 .00 .00 .00 .00 .23 .05 .18 .00 .00 .00 .18 .05 .00 .00 .00 .2 .2 4 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 2.18 H .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 6 E .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 i 2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 N .00 .00 .00 .00 .00 .05 .00 .05 .C0 .00 .18 .00 .00 .00 .00 .00 .27 .27 2 55 .00 .00 .00 .00 .00 .00 .00 .09 .00 .00 .27 .14 .00 .00 .00 .00 .50 .50 4 NS .00 .00 .00 .00 .00 .00 .00 .00 .00 .4 .00 .00 .00 .00 .00 .00 .00 .00 ES .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00

.71 i

10! 2.H 2.2 2.N 1.50 2.09 2.54 2.90 4.M 5.72 8.3011.9812.2514.7010.75 9.35 6.13100.001.U l.H 5.08 35.75 41.20 5.39 5.31 100.00 Wid Direction b; Stillity l

I K E EE E ESE SE SSE 5 52 SW WSW V W W N TOTAL -Si41 Lily CLA55E5-

.5 .00 .18 .00 .14 .05 .00 .00 .00 .00 .00 .23 .23 .41 .32 .14 1.U Extruly kstdle

.5 .09 .00 .09 .H .00 .H .05 .00 .00 .5 .23 .23 .32 .00 .23 1.54 Moderately Unstele

.14 .18 .05 .H .00 .05 .23 .09 .00 .5 .X .59 1.13 .M R .50 5.08 Slittly kstdle 1.P,1.091.09 .821.271.04 1.271.U .73 2.04 3.H 3.90 4.99 3.95 3.22 3.8135.75 leutral l .82 .D .64 .45 .591.321.181.M 3.49 4.54 6.26 5.315.2 3.22 3.901.27 41.20 Silptly Stele

.41 .M .09 .05 .00 .09 .09 .50 1.27 1.45 .95 1.45 1.27 .50 .73 .18 9.39 Moderately Stdle j

.05 .18 .00 .00 .00 .00 .5 .27 .23 .23 .59 .M 1.27 1.50 .41 .00 5,31 Extruly Stdle Vid Directie by Vid Speed i K E EE E ESE SE SSE 1 52 2N W W W N TOTAL -WIE SPE9 CLASSES-

.00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 CALM

.36 .45 .5 .09 .00 .27 .09 .36 .H 1.27 1.23 1.13 1.50 .86 .64 .18 9.17 0.8-3.55 >

1.18 .95 .73 .H .32 .41 .91 1.54 2.99 2.59 3.99 4.6 6.13 5.26 6.13 2.8140.93 3.6 - 7.5 $

.82 .82 .23 .141.00 .51.181.91 1.912.13 4.361.76 5.49 3.E 2.36 2.54 34.35 7.6 12.5 $

.14 .6 .82 .23 .U .50 .2 .36 .18 2.18 1,91 1.54 1.32 .U .23 .M !!.61 12.6 - 18.5 $

.05 .00 .18 .50 .00 .45 .6 .23 .00 .14 .05 .23 .N .00 .00 .05 2.18 18.6 - 24.5 $

.00 .00 .00 .00 .00 .05 .00 .14 .00 .00 .45 .14 .00 .00 .00 .00 .U > 24.5 $

F ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 l

UNIT 1 & 2 (Docket Numbers 50-295 & 50-304)

ADDENDUM l

1. Offsite Dose Calculation Manual (ODCM) l Changes to the ODCM are required by Zion Station Technical Specifications 6.7.c. and ODCM Section 12.6.3 to be submitted as part of, or concurrent with, the Annual Radioactive Effluent Release Report.

A summary of changes made to the ODCM during 1998 and an entire copy of the ODCM, current as of l December 31,1998, are being submitted under separate cover letter concurrent with his annual effluent report.

2. Gaseous and Liquid Waste Treatment Systems and Process Control Program l

Zion St ation ODCM Sections 12.6.2 and 12.6.4 require that changes to the Process Control Program and majo changes to the Gaseous and Liquid Treatment Systems be reported in the Annual Radioactive Effluent Release Report. I There were no changes in the Gaseous and Liquid Waste Treatment Systems cr Process Control Program during 1998.

I l

l 3. Limiting Conditions of Operation (LCOs) i Zion Station ODCM Section 12.6.2 requires explanation as to why the inoperability of liquid or gaseous monitoring instrumentation was not corrected within the time specified in the ODCM to be submitted with the Annual Radioactive Effluent Release Report.

! During 1958, all inoperable liquid and gaseous radiation monitors were retumed to operability within the time l specified in the ODCM.

4. Liquid Holdup Tanks and Gas Storage Tanks i

Zion Station OECM Section 12.6.2 requires a description of events leading to liquid holdup tanks or gas storage j tanks exceeding technical specification limits to be included in the Annual Radioactive Effluent Release Report.

i Nu liquid holdup tanks or gas decay tanks exceeded the limits in Technical Specification 3.11 or 3.12.

L

l ZION NUCLEAR POWER STATION ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT FOR 1998 UNIT 1 & 2 (Docket Numbers S295 & 50-304)

ADDENDUM i 5. Estirnates of Total Error The following is an estimate of the total error associated with certain total values in the Annual Radioactive Emuent Release Report. The totd error is determined by calculating the square root of the sum of the squares of the individual errors.

a. Gaseous Effluents Sampling Error 5%

Calibration Error 10 %

Counting Statistics Error 17%

Samole Volume Error 10%

Total Error 23%

I

b. Liquid Emuents l Sampling Error 5%

Calibration Error 10% ;

Counting Statistics Error 16 %

Samole Volume Error 2%

Total Error 20%

l l

1 l

l

f.- \

l I

ATTACHMENT B l

)l LIST OF COMMITMENTS CONTAINED THIS LETTER l l

The following table identifies those actions committed to by Comed in this document. Any other actions discussed in this submittal represent intended or planned actions by Comed.

They are described to the NRC for the NRC's information and are not regulatory commitments. Please notify Mr. Robert Godley, Zion Station Regulatory Assurance Manager, of any questions regarding this document or any associated regulatory commitments.

l Regulatory Commitments - Committed Date )

None N/A 1

i I

A99012, Radioactive Effluent Release Rept for 1998. with

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Subject:

SUMMARY

STABillTV CLASSES

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A99012, Radioactive Effluent Release Rept for 1998. with

Text

Subject:

SUMMARY

STABillTV CLASSES

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