ML20138D973

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1996 Annual Radioactive Matl Release Rept
ML20138D973
Person / Time
Site: Duane Arnold NextEra Energy icon.png
Issue date: 12/31/1996
From:
IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:
Shared Package
ML20138D971 List:
References
NUDOCS 9705010319
Download: ML20138D973 (28)
v • d • e


Text

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, t i Duane Arnold EnergyCenter i

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UTILITIES i

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1996 -

l Annual Radioactive l Material Release Report i

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3 l January 1,1996 through December 31,1996 i

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! 9705010319 970429 j PDR ADOCK 05000331 R PDR

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1 TABLE OF CONTENTS ,

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ITEM PAGE P

TITLE PAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 l

TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... 2 INTRODUCTI ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 l

LIQUID EFFLUENT TABLE. . . . . . . ... ..... .. ...... .... ..... 4 l

OASEOUS EFFLUENT TABLES. . . .... .. ....... ... ..... . . .. .. . . 5-6 i

SUMMARY

OF. RADIOACTIVE SOLID WASTE. . . . . . . . . . . . . . . . . . . . . . ... ..... 7 - 10 i L

SUMMARY

OF METEOROLOGICAL DATA COLLECTED. . . . . . . . . . . . . . . . . . . . . . . . I1 - 27

SUMMARY

OF CHANGES TO OFFSITE DOSE ASSESSMENT MANUAL. . . . . . . . . . . . 28 e

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ATTACHMENTS: REVISION 9 OF THE OFFSITE DOSE ASSESSMENT MANUAL

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w f INTRODUCTION a

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i This Annual Radioactive Material Release Report is for the period ofJanuary 1,1996, through ,

j December 31,1996.

i There were no radioactive liquid effluent releases from the Duane Arnold Energy Center during j this report period. -

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i Gaseous effluent releases were continuous for the period and resulted in a small fiiction of the 10 l CFR 20 site Wadary concentration limits and the 10 CFR 50, Appendix I dose requirements.

l There were no abnormal releases of radioactive material to the environment.

i j A total of sixteen (16) solid radioactive waste shipments were made during 1996. Twelve (12)

shipments were of spent resin only in high integrity containers (HICs). Two (2) shipments were a mixture of resin and aqueous mechanical 61ters in a HIC. All fourteen (14) of the HIC shipments
were sent directly for burial to Barnwell, South Carolina. The two (2) shipments of Dry Active l Waste were sent to Sciercific EcoloFy Group (SEG) for processing end volume reduction at Oak j Ridge, Tennessee prior to burial at Barnwell, South Carolina. ,

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Changes made to the CKsite Dose Assessment Manual (ODAM) are described on page 28.

I Revision 9, impiemented in 1996, is attached.

Per ODAM 6.2.1.1.b, the following informa. tion is supplied because the Offgas Stack primary

exhaust flow monitor was out of service for greater than 30 days. On June 29,1996 at approximately 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br /> the Offgas Stack radiation monitor was struck by lighting. This caused j a failure of both the KAMAN monitor process and sample flow instrumentation. The primary KAMAN radiation monitor was declared inoperable and two Maintenance Action Requests j (MARS) were written (A33145 - Process flow & A32792 - Sample flow). Additionally the j backup GE radiation monitor was placed into service to continually monitor the Offgas Stack j release point. Once the KAMAN monitor was repaired and calibrated it was restored to service monitoring the Offgas Stack release point.

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i ANNUAL RADIOACTIVE MATERIAL RELEASE REPORT (1996)

LIQUID EFFLUENTS BY CALENDAR QUARTER  !

Nuclides Released Unit 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter strontium-89 Ci <LLD i

<LLD <LLD <LLD strontium-90 Ci <LLD <LLD <LLD <LLD cesium-134 Ci <LLD <LLD <LLD <LLD cesium-137 Ci <LLD <LLD <LLD <LLD iodine-131 Ci <LLD <LLD <LLD - <LLD cobalt-58 Ci <LLD <LLD <LLD <LLD cobalt-60 Ci <LLD <LLD <LLD <LLD iron-55 Ci <LLD <LLD <LLD <LLD iron-59 Ci <LLD <LLD <LLD <LLD zinc-65 Ci <LLD <LLD <LLD <LLD manganese-54 Ci <LLD <LLD <LLD <LLD 1 chromium-51 Ci <LLD <LLD <LLD <LLD i zirconium-niobium-95 Ci <LLD <LLD <LLD <LLD molybdenum-99 Ci <LLD <LLD <LLD <LLD j technetium-99m Ci <LLD <LLD <LLD <LLD  !

barium-lanthanum-140 Ci <LLD <LLD <LLD <LLD i cerium-141 Ci <LLD <LLD <LLD <LLD I'

Other (specify) Ci <LLD <LLD <LLD <LLD l l i

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Total for period (above) Ci <LLD <LLD <LLD <LLO }

xenon-133 Ci <LLD <LLD <LLD <LLD xenon-135 Ci <LLD <LLD <LLD <LLD f

<LLD means that the radionuclide was not identified in any samples and all measurement results were less than the lower limit of detection as required by the DAEC Offsite Dose Assessment Manual. l There were no radioactive liquid discharges from DAEC during this report period.  ;

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ANNUAL RADIOACTIVE MATERIAL RELEASE REPORT ( 1996 )

GASEOUS EFFLUENTS BY CALENDAR QUARTER Nuclides Released Unit 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter ,

1. Fission gases krypton-85 Ci <LLD <LLD <LLD I <LLD krypton-85m , ci 3.62E+00 8.52E-03 <LLD <LLD krypton-87 Ci 3.18E-02 <LLD <LLD <LLD krypton-88 Ci <LLD <LLD <LLD <LLD xenon-133 C1 3.07E-01 <LLD <LLD <LLD xenon-135 C1 2.12E-01 2.54E+00 5.47E+00 3.10E+00 xenon-135m Ci 1.53E-01 3.98E-01 <LLD <LLD xenon-138 Ci 3.44E+00 5.40E+00 1.18E+01 3.89E+00 xenon-131m Ci <LLD <LLD <LLD <LLD argon-41 Ci <LLD <LLD <LLD <LLD tritium Ci 2.96E+00 1.91E+00 3.87E+00 2.56E+00 Total for period C1 1.07E+01 1.03E+01 2.12E+01 9.55E+00
2. Iodines iodine-131 Ci 7.81E-06 1.51E-05 2.41E-05 3.04E-05 iodine-132 Ci <bLD <LLD <LLD 9.04E-07 iodine-133 Ci 1.52E-05 4.65E-05 5.94E-05 3.42E-05 iodine-135 Ci <LLD 8.57E-07 <LLD 1.86E-05 Total for period C1 2.30E-05 6.25E-05 8.35E-05 8.41E-05
3. Particulates strontium-89 Ci 9.25E-06 1.19E-05 1.28E-05 9.77E-06 strontium-90 Ci 8.64E-08 6.43E-08 8.72E-08 1.23E-08 i cesium-134 Ci <LLD <LLD <LLD <LLD cesium-137 Ci <LLD <LLD <LLD <LLD barium-lanthanum-140 Ci 6.22E-07 3.92E-07 1.64E-06 5.67E-07 chromium-51 Ci <LLD 3.81E-06 4.51E-06 1.92E-04 manganese-54 Ci 6.17E-05 2.96E-05 2.08E-05 3.54E-04 cobalt-58 Ci 3.48E-05 6.24E-05 5.92E-05 2.01E-05 iron-59 Ci <LLD <LLD <LLD $.15E-05 cobalt-60 Ci 1.3BE-04 8.79E-05 7.84E-05 4.81E-04 zinc-65 Ci <LLD <LLD 6.65E-06 5.95E-06 Total for Period Ci 2.44E-04 1.96E-04 1.84E-04 1.11E-03

<LLD means that the radionuclide was not identified in any samples and all measurement results were less than the lower limit of detection as required by the DAEC Offsite Dose Assessment Manual.

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ANNUAL RADIOACTIVE MATERIAL RELEASE REPORT ( 1996 )

GASEOUS EFFLUENTS BY RELEASE POINT (Curies)

RELEASE POINT l OFFGAS STACK l REACTOR BUILDING l TURBINE BUILDING [ LLRPSF ,

EASE pE_ yT,,_____4_____32 T_____'g____ _,,__4____ ,[ E

_____(____ F,,E E _____

i Ar-41 <LLD <LLD <LLD <LLD i Kr-85m 3.63E+00 <LLD <LLD <LLD Kr-85 <LLD <LLD <LLD <LLD Kr-87 3.18E-02 <LLD <LLD <LLD Kr-88 <LLD <LLD <LLD <LLD Xe-131m <LLD <LLD <LLD <LLD Xe-133 3.07E-01 <LLD <LLD <LLD Xe-135m 5.51E-01 <LLD <LLD <LLD Xe-135 1.13E+01 <LLD <LLD <LLD Xe-138 2.45E+01 <LLD <LLD <LLD H-3 1.73E+00 7.27E+00 2.26E+00 3.25E-02 Cr-51 <LLD 2.00E-04 <LLD <LLD Mn-54 2.32E-07 4.62E-04 4.27E-06 <LLD Co-58 <LLD 1.77E-04 <LLD <LLD Fe-59 <LLD 5.15E-05 <LLD <LLD Co-60 6.81E-07 7.81E-04 3.11E-06 <LLD Zn-65 <LLD 1.26E-05 <LLD <LLD Sr-89 7.05E-06 2.86E-05 8.05E-06 <LLD Sr-90 3.55E-08 6.08E-08 1.15E-O' 3.95E-08 Cs-134 <LLD <LLD <LLD <LLD Cs-137 <LLD <LLD <LLD <LLD Ba-140 3.22E-06 <LLD <LLD <LLD I-131 3.03E-05 3.36E-05 1.35E-05 <LLD I-132 9.04E-07 <LLD <LLD <LLD I-133 4.65E-05 1.01E-04 8.04E-06 <LLD I-135 1.95E-05 <LLD <LLD <LLD Page 6

SUMMARY

OF RADIOACTIVE SOLID WASTE j (January 1,1996 - December 31,1996)

SHIPMENTS MADE TO BURIAL FACILITIES:

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! WASTE TYPE NO. VOLUME ACTIVITY i SHIPMENTS M' (Ci)

! Resin Note-1 76.7 3.83E+02 i 14 Aqueous Mechanical Filters 0.7 2.99E+01

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DESTINATION Chem-Nuclear Systems, Inc (CNSI)

Barnwell, South Carolina NOTE-1: Two shipments contained both resin and aqueous mechanical filters.

! SHIPMENT MADE TO PROCESSING FACILITIES:

l WASTE TYPE NO. VOLUME ACTIVITY

! SHIPMENTS M' (Ci)

Dry Active Waste 2 66.0 3.93E-01 l DESTINATION Scientific Ecology Group (SEG) 2 Oak Ridge, Tennessee

! SOLIDIFICATION AGENT: None j MODE OF TRANSPORTATION: Exclusive-Use Vehicle (Trucks)

I TOTAL SOLID WASTE DISPOSITION:

1 WASTE VOLUME M' ACTIVITY (Ci)

Shipped 1.43E+02 4.14E+02 l Buried * .7.83E+01 4.20E+02 i
(*) Includes waste buried directly by DAEC and waste buried by processing facilities. Waste buried j by the processing facility includes waste shipped from DAEC in years prior to 1996.

I j WASTE CLASSIFICATION PER 10 CFR 61 NUMBER OF SHIPMENTS

! A-Unstable 2

} A-Stable 14 B 0

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Summ:ry of R diccctivo S: lid Wect]

January 1, - December 31,1996 Major Nuclide Composition (Spent Resin) i Pnnciple 1st QTR 2nd QTR , 3rd QTR 4th QTR Total Percent a

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Nuclide~ (Cl) ^ '(Cl) P (Ci) - (Cl)' (MBq/CI) Abundance j H-3 2.26E-02 6.72E-03 1.98E-01 1.86E-01 4.13E-01 0.11 % i C-14 1.04E-02 3.16E-03 1.23E-01 1.09E-01 2.46E-01 0.06 % l Cr-51 0.00E+00 0.00E+00 2.60E-01 2.80E+00 3.06E+00 0.80 % l Mn-54 1.56E+00 5.38E-01 1.17E+01 2.12E+01 3.50E+01 9.12 % l Fe-55 6.82E+00 2.08E+00 6.17E+01 1.39E+02 2.09E+02 54.57 %

Fe-59 0.00E+00_ 0.00E+00 0.00E+00 1.74E+00 1.74E+00 0.45%

s Co-58 0.00E+00 4.46E-02 5.32E-02 2.82E+00 2.92E+00 0.76 %

Co-60 3.28E+00 9.99E-01 3.38E+01 4.88E+01 8.69E+01 22.64 %

Zn-65 1.33E-01 1.01 E-01 3.10E-01 3.47E+01 3.52E+01 9.17 %

Ni-59 1.01 E-03 3.07E-04 1.19E-02 1.57E-02 2.89E-02 0.01 %

Ni-63 7.71 E-02 2.35E-02 9.07E-01 1.57E+00 2.58E+00 0.67% i Sr-90 3.78E-04 6.22E-05 2.73E-03 2.48E-03 5.65E-03 0.00 %

Tc-99 7.87E-06 7.87E-06 7.87E-06 4.26E-06 0.00E+00 0.00 %

Ru-106 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 % i 1-129 8.69E-06 8.69E-06 8.69E-06 1.12E-05 0.00E+00 0.00% j i Cs-134 0.00E+00 0.00E+00 1.35E-01 0.00E+00 1.35E-01 0.04 %

Cs-137 3.65E-01 6.01 E-02 2.64E+00 2.84E+00 5.90E+00 1.54 %

Pu-238 0.00E+00 0.00$00 1.32E-03 1.40E-03 2.72E-03 0.00 %

Pu-239/40 0.00E+00 Oh0E+00 1.81 E-03 2.04E-03 3.85E-03 0.00 % l Pu 241 1.49E-04 2.44E-05 1.03E-01 1.13 E-01 2.16E-01 0.06 % l Am-241 0.00E+00 0.00E+00 2.70E-03 2.96E-03 5.66E-03 0.00 % l Cm-242 1.74E-06 2.88E-07 1.88E-04 4.27E-04 6.17E-04 0.00 %

Cm-243/44 0.00E+00 0.00E+00 2.04 E-03 2.01 E-03 4.05E-03 0.00 %

U 233/34 0.00E+00 0.00E+00 5.47E-04 4.59E-04 1.01 E-03 0.00%

U-238 0.00E+00 0.00E+00 8.78E-04 7.35E-04 1.61 E-03 0.00 %

Totals 1.23E+01 3.85E+00 1.12E+02 2.56E+02 - 3.84E+02 100.00 %

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j Tc-99 and I-129 represent MDA values. These two nuclides are in units of uCi/ gram Note: H-3, C-14, Tc-99, and I-129 were required to be manifested per 10 CFR 20, Appendix F.

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Summary cf Redi:cctive S: lid Weste January 1, - December 31,1996 Maj0r Nuclide Composition (DAW) i Principle *~ 7 /- L W 2nd-QTR 3rd QTR -[p*4th QTR-Total Percent Nuclidi ,, g@(Cl)E t u k V. (Ci}Y (Cif ~ l' (Cif (Cl) Abundance H-3 0.00E+00 0.00E+00 0.00E+00 I 7.56E-04 7.56E-04 0.19 %

C 14 0.00E+00 0.00E+00 0.00E+00 2.44 E-04 2.44 E-04 0.06 %

Cr-51 0.00E+00 0.00E+00 0.00E+00 1.81 E-02 1.81 E-02 4.61 %

Mn-54 0.00E+00 0.00E+00 0.00E+00 1.15E-02 1.15E-02 2.92 %

Fe-55 0.00E+00 0.00E+00 0.00E+00 2.45E-01 2.45E-01 62.33 %

Fe-59 0.00E+00 0.00E+00 0.00E+00 1.62E-03 1.62E-03 0.41 %

Co-50 0.00E+00 0.00E+00 0.00E+00 3.79E-03 3.79E-03 0.96 %

Co-60 0.00E+00 0.00E+00 0.00E+00 1.03E-01 1.03E-01 26.12 %

[ Zn-65 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Ni-59 0.00E+00 0.00E+00 0.00E+00 8.27E-05 8.27E-05 0.02 %

Ni-63 0.00E+00 0.00E+00 0.00E+00 7.19E-03 7.19E-03 1.83%

i Sr-90 0.00E+00 0.00E+00 0.00E+00 7.88E-07 7.88E-07 0.00 %

Tc-99 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Ru-106 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

l-129 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Cs-134 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Cs-137 0.00E+00 0.00E+00 0.00E+00 4.69E-04 4.69E-04 0.12 %

) Pu-238 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

i Pu-239/40 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Pu-241 0.00E+00 0.00E+00 0.00E+00 1.44E-05 1.44 E-05 0.00 %

Am-241 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Cm-242 0.00E+00 0.00E+00 0.00E+00 1.23E-07 1.23E-07 0.00%

Cm-243/44 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

U-233/34 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

U-238 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Hf-181 0.00E+00 0.00E+00 0.00E+00 1.62E-03 1.62E-03 0.41 %

Totals 0.00E+00 0.00E+00 0.00E400 3.93E-01 3.93E-01 100.00%

Tc-99 and 1 1 ?9 represent MDA values. These two nuclides are in units of uCi/ gram.

Note: H-3, C-14, Tc-99, and I-129 were required to be manifested per 10 CFR 20, Appendix F.

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Summ:ry cf Radicactive Solid Waste January 1, - December 31,1996 Major Nuclide Composition (Mechancial Filter)

Principle 'ist QTR'; , _2nd QTR 3rd Qtr 4th QTR Total Percent Nuclide (CD^ (CD o (Cl) 7 (CD - (MBq/C0 Abundance H-3 0.00E+00 1.61 E-03 0.00E+00 2.03E-03 3.64E-03 0.01 %

C-14 0.00E+00 1.80E-03 0.00E+00 1.24E-03 3.04E-03 0.01 %

Cr-51 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Mn-54 0.00E+00 2.13E-01 0.00E+00 1.57E+00 1.78E+00 5.96 % j Fo-55 0.00E+00 1.20E+00 0.00E+00 2.13E+01 2.26E+01 75.55%

Fe-59 0.00E+00 0.00E +00 0.00E+00 4.09E-01 4.09E-01 1.37 % i Co-58 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Co-60 0.00E+00 6.04 E-01 0.00E+00 4.29E+00 4.89E+00 16.37 %

lZn-65 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

R-59 0.00E+00 2.45E-04 0.00E+00 1.98E-03 2.23E-03 0.01 %  !

Ni-63 0.00E+00 1.97E-02 0.00E+00 1.68E-01 1.88E-01 0.63 % l Sr-90 0.00E+00 1.37E-05 0.00E+00 3.61 E-06 1.73E-05 0.00 % l Nb-94 0.00E+00 2.33E-05 0.00E+00 0.00E+00 2.33E-05 0.00 %

Tc-99 0.00E+00 7.91 E-05 0.00E+00 2.55E-05 0.00E+00 0.00 %

Ru-106 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

l-129 0.00E+00 1.92E-04 0.00E+00 1.26E-05 0.00E+00 0.00 % ,

Cs-134 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Cs-137 0.00E+00 1.29E-02 0.00E+00 1.32E-02 2.61 E-02 0.09 %

Pu-238 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Pu-239/40 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 % 1 Pu-241 0.00E+00 2.11 E-05 0.00E+00 1.49E-05 3.60E-05 0.00 % l Am-241 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 % j Cm-242 0.00E+00 1.66E-07 0.00E+00 4.99E-07 6.65E-07 0.00 %

Cm-243/44 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00%

U-233/34 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

U-238 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00 %

Totals 0.00E+00 . 2.14E+00 0.00E+00 2.78E+01 . 2.99E+01.. ' 100.00 %

Tc-99 and I-129 represent MDA values. These two nuclides are in units of uCi/ gram.

Note: H-3, C-14, Tc-99, and I-129 were required to be manifested per 10 CFR 20, Appendix F.

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SUMMARY

OF METEOROLOGICAL DATA The following pages are a summation of meteorological data accumulated during the calendar year 1996 by the MIDAS (Meteorological Information and Dose Assessment System) at the Duane Arnold Energy Center. Each table includes wind speed, wind direction, and stability class at the specified sensor height (33 feet or 156 feet). A summary table of all stability classes at each height is also included.

Data recovery for atmospheric stability, wind speed, and wind direction was greater than 96% at both 33 feet and 156 feet.

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. _ _ _ _ _ _ _ _ _ _ _ _ _ . _ . . _ _ _ , . _ _ . . . . _ . ~ . _ _ _ _ _ _ _ _ _ _ . _ . _ _ _ . _ . . _ _

i ENTER: [YRMODAHRYRMODAHR) START AND END DATE (HOURS)

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[LD) LAST DATE ENTRY, 96010101 - 96123124 i

, [ RETURN) GO BACK TO PREVIOUS OPTION  !

LD 03/10/97 13:52 SITE: DUANE ARNO l

, HOURS AT EACH WIND SPEED AND DIRECTION 2

PERIOD OF RECORD = 96010101-96123124

} STABILITY CLASS: A DT/DZ I ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T l WIND SPEED (MPH) l i WIND l

DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL -

....__.... ... __. .... ..... _____ __. _____ )

N 2 3 2 1 4 0 12 WNE O 3 6 4 2 0 16 NE O 12 21 4 0 0 37 ENE O 13 10 0 0 0 23 E 3 11 5 0 1 0 20 ESE 2 11 12 2 0 0 28 SE 1 13 7 1 0 0 22 SSE 1 6 25 5 0 0 37 S 0 13 13 9 0 1 38 SSW 2 19 6 10 1 0 38.

SW 2 3 12 8 3 0 28 WSW 1 3 10 4 4 0 22 W 0 1 5 9 1 0 16 WNW 0 1 4 23 7 5 42 NW 0 1 24 26 7 5 63 NNW ,0 8 12 16 1 0 37 TOTAL 14 121 174 122 31 11 479 PERIODS OF CALM (HOURS) : 298 VARIABLE DIRECTION O -

HOURS OF MISSING DATA: 335 ENTER: [ RETURN] CONTINUE, [SO) START OVER, [EX] TO EXIT l

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03/10/97 13:53 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: B DT/DZ ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL j ____.____ ___ ... ___. _____ ____. ___ _____

E O 1 5 1 1 0 8 NNE O 2 1 3 0 0 6 NE O 2 4 1 0 0 7 ENE O 2 6 0 0 0 8 E O 3 0 0 0 0 3 ESE O 5 2 0 0 0 7 SE 1 1 6 1 0 0 10 '

j SSE O 1 7 2 0 0 10

, S 0 3 5 1 0 0 9 i SSW 0 1 5 3 0 0 9

SW 1 1 7 2 1 0 12 WSW 0 5 3 5 1 0 14 W 0 0 3 5 0 0 8 WNW 0 0 5 5 4 1 16
NW 0 1 6 9 3 1 20 4

NNW 0 4 7 8 1 0 20 TOTAL 2 32 72 46 11 2 167 PERIODS OF CALM (HOURS): 298 VARIABLE DIRECTION 0 HOURS OF MISSING DATA: 335 ENTER: [ RETURN) CONTINUE, [SO) START OVER, [EX) TO EXIT i

1 l

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03/10/97 13:54 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: C DT/DZ ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL

, N 0 1 4 4 1 0 12 I NNE O 3 2 2 0 0 7 NE O 5 5 2 0 0 12 ENE O 5 3 1 0 0 9 E 1 11 5 0 0 0 17 ESE 2 8 2 0 0 0 12 SE O 2 3 1 0 0 6 SSE O 6 3 2 0 0 11 S 0 3 5 4 0 0 12 SSW 0 1 2 0 0 0 3 SW 1 2 4 2 1 0 10 WSW 0 1 1 1 0 0 3 W 0 1 3 3 1 0 8 WNW 0 2 7 10 0 0 20 NW 0 1 21 7 2 1 32 WNW 0 2 22 10 2 0 36

........__..._...___.____....__......._____..___..__._........ 1 TOTAL 4 54 92 49 7 1 210 PERIODS OF CALM (HOURS) : 298 VARIABLE DIRECTION O HOURS OF MISSING DATA: 335 ENTER: (RETURN) CONTINUE, [SO) START OVER, (EX) TO EXIT l

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03/10/97 13:56 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: D DT/DZ '

ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T  ;

WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL

. N 7 36 29 24 7 1 109 ,

NNE 14 31 37 28 6 0 118 NE 7 99 86 25 2 0 224 ENE 19 127 103 10 1 0 261 E 25 133 61 3 0 0 227 ESE 22 77 72 7 0 0 181  !

SE 17 111 75 30 1 0 235

  • SSE 16 100 94 18 0 0 229 S 9 70 110 30 0 0 220 SSW 3 26 58 12 2 0 101 SW 8 38 33 19 1 0 99 WSW 8 33 29 17 5 0 92 >

W 4 38 62 50 14 2 174  ;

WNW 6 63 109 109 33 15 348  ;

NW 11 86 173 116 28 8 451 NNW 4 69 276 167 12 0 557 TOTAL 180 1137 1407 665 112 26 3626 PERIODS OF CALM (HOURS) : 298 VARIABLE DIRECTION 0 HOURS OF MISSING DATA: 335

  • ENTER: [ RETURN] CONTINUE, [SO) START OVER, [EX] TO EXIT i

l i

l l

l

\

Pqm 15

l 03/10/97 13:575ITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: E DT/DZ ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T WIND SPEED (MPH)

WIIm DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 12 21 27 16 0 0 76 NNE 15 40 27 22 0 0 106 NE 18 109 57 8 0 0 196 ENE 23 36 9 2 1 0 72 E 34 51 4 1 0 0 90 ESE 38 80 32 0 0 0 154 SE 40 143 47 2 0 0 234 SSE 46 168 82 18 0 0 323 S ,

64 171 147 16 0 0 402 SSW 19 74 44 13 0 1 151 SW 20 48 16 4 1 0 89 WSW 10 48 20 6 0 0 85 W 17 35 36 8 2 1 100 WNW 13 68 47 11 0 2 141 NW 9 94 70 16 2 2 194  ;

NNW 11 71 117 30 0 0 230 TOTAL 389 1257 782 173 6 6 2643 PERIODS OF CALM (HOURS) : 298 VARIABLE DIRECTION 0 .

HOURS OF MISSING DATA: 335 ENTER: [ RETURN] CONTINUE, [SO] START OVER, [EX] TO EXIT -

t e

Page l6 I l

j 03/10/97 13:57 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION i

PERIOD OF RECORD = 96010101-96123124

! STABILITY CLASS: F DT/DZ ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 2 3 0 0 1 0 7 NNE 17 7 2 0 0 0 26 NE 20 44 6 1 0 0 71 ENE 16 14 0 0 0 0 33 E 23 7 0 0 0 0 31 ESE 16 8 0 0 0 0 26 SE 33 15 0 0 0 0 51 SSE 50 14 0 0 0 0 65 S 52 21 0 0 0 0 74 SSW 34 24 0 0 0 0 60 SW 23 33 0 0 0 0 57 WSW 17 14 2 0 0 0 33 W 5 9 9 0 0 0 25 WNW 9 18 0 0 0 0 27 NW 6 10 1 0 0 0 18 NNW 4 3 0 ,0 0 0 7 TOTAL 327 244 20 1 1 0 611 PERIODS OF CALM (HOURS): 298 VARIABLE DIRECTION O HOURS OF MISSING DATA: 335 ENTER: [ RETURN] CONTINUE, [SO) START OVER, [EX] TO EXIT Page 17

l 1

e 03/10/97 13:57 SITE: DUANE ARNO ,

HOURS AT EACH WIND SPEED AND DIRECTION l PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: G DT/DZ ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T  !

WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL ,

N 1 0 0 0 0 0 2 NNE 13 8 0 0 0 0 26 ,

NE 47 34 0 0 0 0 92  ;

ENE 50 13 0 0 0 0 77  !

E 29 3 0 0 0 0 48 ESE 33 -0 0 0 0 0 52  ;

SE 28 2 0 0 0 0 42 SSE 45 5 0 1 0 0 60 S 66 5 0 0 0 0 82 l SSW 53 9 0 0 0 0 69 SW 42 8 0 0 0 0 65 WSW 36 7 0 1 0 0 55 W 23 3 0 0 0 0 27 t WNW 5 5 0 0 0 0 10 WW 2 0 0 0 0 0 4 NNW 0 0 0 ,0 1 0 2  :'

TOTAL 473 102 0 2 1 0 713 '

PERIODS OF CALM (HOURS) : 298 i VARIABLE DIRECTION O l HOURS OF MISSING DATA: 335 '

ENTER: [ RETURN] CONTINUE, [SO) START OVER, [EX] TO EXIT l

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03/10/97 13:58 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: ALL DT/DZ ELEVATION: SPEED:WS33 DIRECTION:WD33 LAPSE: DEL T WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL

^

N 24 65 67 46 14 1 226 NNE 59 94 75 59 8 0 305 NE 92 305 179 41 2 0 639 ENE 108 210 131 13 2 0 483 E 115 219 75 4 1 0 436 ESE 113 189 120 9 0 0 460 SE 120 287 138 35 1 0 600 SSE 158 300 211 46 0 0 735 S 191 286 280 60 0 1 837 SSW 111 154 115 38 3 1 431 SW 97 133 72 35 7 0 360 WSW 72 111 65 34 10 0 304 W 49 87 118 75 18 3 358 WNW 33 157 172 158 44 23 604 NW 28 193 295 174 42 17 782 NNW 19 157 434 231 17 0 889 TOTAL 1389 2947 2547 1058 169 46 8449 PERIODS OF CALM (HOURS) : 298 VARIABLE DIRECTION O HOURS OF MISSING DATA: 335 ENT::R: [ RETURN) CONTINUE, (SO) START OVER, (EX] TO EXIT Pqm 19

03/10/97 14:10 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: A DT/DZ ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH)

WIND

' DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N O 9 10 15 16 1 51 NME O 2 10 7 1 1 21 NE O 4 16 9 0 0 29 ENE O 6 9 5 0 0 20 E 1 6 8 3 0 2 20 ESE O 7 9 4 0 0 20 SE O 3 11 3 0 0 17 SSE 2 2 19 13 3 0 39 S . 0 5 13 7 7 0 32 SSW 3 4 10 7 5 1 30 SW 0 6 9 9 0 3 27 WSW 0 2 9 4 4 3 22 W 0 0 7 6 3 0 16 WNW 0 0 4 11 17 11 43 NW 0 0 14 20 17 7 58 WNW 0 7 4 19 4 0 34 TOTAL 6 63 162 142 77 29 479 PERIODS OF CALM (HOURS): 8 VARIABLE DIRECTION O -

HOURS OF MISSING DATA: 332 ENTER: [ RETURN] CONTINUE, [SO] START OVER, [EX] TO EXIT t

6 0

Page 20

i 03/10/97 14:11 SITE: DUANE ARNO i

HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010; 'l-96123124

STABILITY CLASS
B D1,'DZ

! ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH) l WIND '

DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 1 1 14 6 4 0 26

. NNE O O 2 3 0 0 5 l NE O O 5 1 0 0 6

ENE O O 7 0 0 0 7 i E O 2 0 0 0 0 2 J ESE O 3 2 1 0 0 6

) SE O O 2 5 0 0 7  ;

SSE O O 6 5 1 0 12 l

! S 1 1 2 4 0 0 8 I SSW 0 0 3 6 2 0 11 SW 0 0 1 4 0 2 7 I

WSW 0 1 3 2 4 0 10 l W 0 1 2 4 2 0 9 l
! WNW 0 0 2 5 6 2 15 l NW 0 1 5 6 5 3 20 i NNW 0 3 5 ,5 3 0 16 1

s TOTAL 2 13 61 57 27 7 167

__________________.-.____.......___________________._________... j

, PERIODS OF CALM (HOURS): 8

VARIABLE DIRECTION. 0

. HOURS OF MISSING DATA: 1 332  ;

ENTER: (RETURN] CONTINUE, [SO) START OVER, [EX) TO EXIT  !

I l

l 1

Page 21 l

_ . .~-_. _-. - _...-.-.-..... -__... _- .-- . - - - _ . ...

03/10/97 14:11 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION l l PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: C DT/DZ  ;

ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH)

WIND  !

l DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL l N 1 2 19 5 8 0 35

[

NNE O O 6 3 0 0 9 NE O 2 3 2 1 0 8  !

l ENE i O 4 2 2 1 0 9 i i

t E O 6 11 0 0 0 17 l ESE 1 2 5 1 0 0 9 -

i SE O 1 3 1 1 0 6  ;

SSE O O 6 2 3 0 11 '

l S 0 2 1 4 1 0 8 l l SSW 0 0 3 2 0 0 5 l SW 0 2 2 4 0 1 9  !

l WSW 0 0 0 1 1 1 3 .

l W 0 0 2 4 1 0 7 WNW 0 0 3 14 0 1 18  :

NW 0 3 11 9 5 1 29 NNW 0 2 8 ,15 1 1 27 [

TOTAL l 2 26 85 69 23 5 210  !

_______.._______ ..__.._____________...______________________. t PERIODS OF CALM (HOURS) : 8 VARIABLE DIRECTION 0  !

HOURS OF MISSING DATA:

l 332 ENTER: [ RETURN) CONTINUE, [SO) START OVER, [EX) TO EXIT l

l l

f t

t t

t I

i i

I i ,

Page 22 l

. m._. . _. -_. _ _ _ _ _ . _ _ _ _ . _ . _ _ . _ . _ _ _ _ _ _ _ ._- _ _

I t

I

~

i 03/10/97 14:11 SITE: DUANE ARNO ,

HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 i STABILITY CLASS: . D DT/DZ ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH) i WIND i DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 16 46 154 186 83 22 507 NNE 11 36 51 34 5 2 139  !

NE 4 45 78 33 2 0 162 i ENE 8 56 101 38 5 0 208 s E 5 78 106 26 3 0 218 l ESE 12 43 60 47 6 0 168 i SE 8 50 81 55 25 1 220 l SSE 6 40 95 60 18 2 221 S 4 25 63 70 20 1 183 i SSW 0 13 34 36 3 1 87 i SW 2 23 25 23 14 1 88 l WSW 7 23 28 22 13 6 99 W 2 33 45 51 31 14 176 4 WNW 7 42 83 107 65 29 333 }

NW 9 61 140 121 64 31 426 l NEW 2 40 131 1,85 34 2 394  ;

TOTAL 103 654 1275 1094 391 112 3629

.. __________________________________.. ______________________ j PERIODS OF CALM (HOURS): 8

  • VARIABLE DIRECTION 0 i HOURS OF MISSING DATA: 332  !

ENTER: [: RETURN) CONTINUE, [SO) START OVER, [EX) TO EXIT l l

t l

Pqp23

03/10/97 14:12 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: E DT/DZ ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 12 36 102 81 29 0 262 NNE 9 19 65 37 6 0 136 NE 2 26 71 18 2 0 119 EME 7 15 46 2 3 0 74 E 6 35 32 4 1 0 78 ESE 7 34 65 41 1 0 148 SE 5 43 134 42 2 2 228 SSE 7 41 126 95 25 7 301 S 7 55 116 148 9 0 335 SSW 8 40 44 38 8 2 140 SW 2 34 33 20 3 2 94 WSW 7 38 30 15 6 0 96 W 7 29 42 21 8 2 109 WNW 1 26 52 41 9 2 131 NW 5 32 86 33 8 5 169 NEW 5 29 113 ,74 2 0 223 TOTAL 97 534 1157 710 122 22 2643 PERIODS OF CALM (HOURS) : 8 VARIABLE DIRECTION O HOURS OF MISSING DATA: 332 ENTER: [ RETURN] CONTINUE, [SO] START OVER, [EX] TO EXIT l

i l

2 I

Pqp24

l 03/10/97 14:13 SITE: DUANE ARNO

( HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD =

96010101-96123124 STABILITY CLASS: F DT/DZ ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T '

WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 13 17 32 1 1 0 65 NNE 5 9 17 6 0 0 37 NE O 15 13 2 0 0 30

ENE 6 8 11 1 0 0 26 l E 5 10 6 0 0 0 21 ESE 4 9 18 4 0 0 35 l SE 5 13 27 0 0 0 45 SSE 3 15 33 2 0 0 53 i

S -

1 12 23 0 0 0 37 l SSW 3 19 7 0 0 0 29 SW 7 19 11 1 0 0 38 '

WSW 6 26 19 1 0 0 52 W 5 18 21 3 0 0 47 l WNW 5 22 13 4 0 0 44 NW 7 7 16 0 0 0 30 NNW 6 9 4 ,3 0 0 22 l TOTAL 81 228 271 28 1 0 611 PERIODS OF CALM (HOURS) : 8 l

VARIABLE DIRECTION 0

  • HOURS OF MISSING DATA: 332 ENTER: [ RETURN] CONTINUE, [SO] START OVER, [EX] TO EXIT i

l l* ,

h.

5 4

Page 25

i L

03/10/97 14:13 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 i STABILITY CLASS: G DT/DZ ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH) l WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 13 23 10 5 0 0 51 1 1 NNE 8 11 12 5 0 0 36 l I ME 7 12 10 0 0 0 30 ,

l ,

ENE 8 17 16 0 0 0 41

, E 10 17 3 0 0 0 30 I ESE 7 13 12 2 0 0 34 i SE 15 59 17 0 0 0 91 SSE 10 42 32 0 0 0 84 l S 11 32 22 0 0 0 65 SSW 11 34 1 0 0 0 47

SW 16 30 1 0 0 0 47 l WSW 11 11 4 0 1 0 27 l W 9 15 9 0 0 0 33 l WNW 13 15 9 0 0 0 38 l NW 6 14 3 0 0 0 24 l NNW 16 14 4 0 1 0 35 l ___..___._..___.....___....._-_.._.__....___.....___..._____..

l TOTAL 171 359 165 12 2 0 713

___________....___________..._________...________.._.......__.  ?

PERIODS OF CALM (HOURS): 8

  • VARIABLE DIRECTION- 0 HOURS OF MISSING DATA: 332 j ENTER: [ RETURN] CONTINUE, [SO] START OVER, [EX] TO EXIT l

l l

l I

i

!a 1

i i

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03/10/97 14:13 SITE: DUANE ARNO HOURS AT EACH WIND SPEED AND DIRECTION PERIOD OF RECORD = 96010101-96123124 STABILITY CLASS: ALL DT/DZ ELEVATION: SPEED:WS156 DIRECTION:WD156 LAPSE: DEL T WIND SPEED (MPH)

WIND DIRECTION 1-3 4-7 8-12 13-18 19-24 >24 TOTAL N 56 136 341 299 141 13 997 NEE 33 77 163 95 12 3 383 ,

NE 13 104 196 65 5 0 384 i ENE 29 106 192 48 9 0 385 E 27 154 166 33 4 2 386 ESE 31 111 171 100 7 0 420 SE 33 169 275 106 28 3 614 SSE 28 140 317 177 50 9 721 S 24 132 240 233 37 1 668 SSW 25 110 102 89 18 4 349 SW 27 114 82 61 17 9 310 1 WSW 31 101 93 45 29 10 309 -

I W 23 96 128 89 45 16 397 WNW 26 105 166 182 97 45 622 i NW 27 118 275 189 99 47 756 NNW 29 104 269 101 45 3 751 ,

TOTAL 462 1877 3176 2112 643 175 8452 PERIODS OF CALM (HOURS): 3 i VARIABLE DIRECTION O HOURS OF MISSING DATA: 332 ENTER: [ RETURN] CONTINUE, [SO] START OVER, [EX] TO EXIT l

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SUMMARY

OF CHANGES TO THE OFFSITE DOSE ASSESSMENT MANUAL One revision to the Offsite Dose Assessment Manual (ODAM) was implemented in 1996. This revision (Rev. 9) was implemented on 12-05-96 A detailed list of changes to the ODAM is included below.

Summary i Page 43 Table 3-1 Release height of the reactor building vent was changed from 156 feet to 154 feet to agree with the  !

engineering drawings and MIDAS software program. l Page 60 Section 6.0.1 Definition of Member (s) of the public. Change Iowa l

Electric Light and Power Company to " Utility" l I

Page 67 Table 7.1-1 Change Radioactive liquid effluent monitoring 1 instrumentation surveillance requirements for 1.a I Liquid Radwaste Effluent Line Radiation Monitor and

{

3.a and 3.b Liquid Radwaste Effluent Line flow rate measuring devices. Channel Calibration was changed l from "R" (at least once per 18 months) to "P" (prior to each release). Channel Functional Test was changed from "Q" (at least once per 92 days) to "P" (prior to each release). This was identified as an action per AR960317.01 as an unnecessary burden for maintenance. The removal from routine surveillance alleviates the need to either run the devices or maintain the devices except for use during a release. The pathway that is monitored by this instrumentation is locked shut, and plant policy is to not release radioactive liquids.

These changes will not change the level of radioactive effluent control required by 10 CFR 20.1302, 40 CFR 190,10 CFR 50.36a, or the Appendix I to 10 CFR 50, and will not adversely affect the accuracy or reliablity of effluent dose or setpoint calculations.

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