ML18038A647

Forwards Revs for Pages 53 & 57-60 of Offsite Dose Calculation Manual,Submitted w/840207 Ltr,Covering R Values & Dose Parameters for Iodine

ML18038A647
Person / Time
Site:	Nine Mile Point
Issue date:	03/27/1984
From:	Mangan C NIAGARA MOHAWK POWER CORP.
To:	Vassallo D Office of Nuclear Reactor Regulation
References
NUDOCS 8404030114
Download: ML18038A647 (14)

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ACCESSION NBR:Gfl04030114 DOC Bfl/03/27'OTARIZED: NO DOCKET FACIL:50-220 Nine 'Mile Point Nuclear Station, Unit i~ Niagara Powe" 05000P20 AUTH, NAME AUTHOR AFFILIATION MANGANgC ~ VS Niagara Mohawk Power NAME RECIPIENT AFFILIATION Corp'ECIPE VASSALLOgD ~ BE Operating Reactors Branch P.

offsite I,.

SUBJECT:

Forwards revs for Pages 53 57 60 of lm dose calculational manual covering R values 8 dose parameters for iodine submitted w/Uf/0307 ltr, DISTRIBUTION CODE: A009S COPIES RECEIVED:LTR TITLE: OR/Licensing Submittal: Appendix I g,'NCL SIZE: g NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODF/NAME LTTR ENCL NRR OR82 BC 01 7 7 INTERNAL; ELD/HDS3 19 1 0 NRR/DL/ORAB 1 0 NRR/DSI/AEB 0 R METB 08 1 1 NRR/DS I/RAB 10 1 1 0 f1 1 1 RGNi 1 1 EXTERNAL: ACRS 11 6 6 LPDR 03 NRC PDR OP. 1 1 NSIC 05 NTIS 1 1

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TOTAL NUMBER OF COPIES REQUIRED: LTTR 24 ENCL 21

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V MIIASAtRA 4f IgQojg@WK NIAGARA MOHAWK POWER CORPORATION/300 ERIE BOULEVARD WEST, SYRACUSE, N.Y. 13202/TELEPHONE (315) 474-1511 March 27, 1984 Director of Nuclear Reactor Regulation Attention: Mr. Domenic B. Vassallo, Chief Operating Reactors Branch No. 2 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Re: Nine Mile Point Unit 1 Docket No. 50-220

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DPR-63.

Dear Mr. Vassallo:

Our March 7, 1984 letter transmitted copies of the Off-Site Dose Calculational Manual. Contained herein are revisions for Page 53 and Pages 57-60. Please replace these sheets in the manuals previously provided.

Sincerely, NIAGARA MOHAWK POWER CORPORATION C. V. Man Vice President Nuclear Engineering and Licensing CVM/RJP:slw Enclosures 840327 ",,".'

84040g0i 14 05000220', I PDR'DOCN, ',

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TABLE 3-4S R VALUES - GROUND - ALL AGE GROUPS m2-mrem/yr uCi/sec NUCLIDE T; BODY Cr 51 4.66E 06 Mn 54 1.34E 09 Fe 59 2.75E 08 Co 58 3.79E 08 Co 60 2.15E 10 Zn 65 7.49E 08 Sr 89 2.23E 04 Zr 95 2.49E 08 I 131 1.72E 07 I 133 2.47E 06 Cs 134 6.82E 09 Cs 136 1.49E 08 Cs 137 1.03E 10 Ba 140 2.05E 07 Ce 141 1.36E 07 I 135 Later BA/LA 140 Later Nb 95 Later Sb 125 Later

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APPENDIX A DOSE PARAMETERS FOR IODINE 131 AND 133 ]

PARTICULATES AND TRITIUM V

APPENDIX A DOSE PARAMETERS FOR IODINE-131 AND -133, PARTICULATES AND TRITIUM This appendix contains the methodology which was used to calculate the dose parameters for 1-131, 1-133, particulates, and tritium. The dose parameter, R.,

1 was calculated using the methodology outlined in NUREG-0133 and Regulatory Guide 1.109, Revision 1. The radioiodine and particulate Technical Specification (Section 3.6.15) is applicable to the location in the unrestricted area where the combination of existing pathways and receptor age groups indicates the maximum potential exposure occurs, i.e., the critical receptor. The inhalation and ground plane exposure pathways are considered to exist all locations but the critical location will be used for dose purposes.

The grass-goat-milk, the grass-cow-milk, grass-cow-meat, and vegetation pathways are considered to exist at specific locations. R . values have been calculated for the adult, teen, 'child and infant age groups for all pathways.

The methodology used to calculate these values follows:

A.l Inhalation Pathwa R) Kl(BR)a (DFAi)a where:

dose factor for each identified radionuclide i of the organ of interest (units = mrem/hr per uCi/m3);

a constant of unit conversion:

106 pCi/uCi; Breathing rate of the receptor of age group a, (units

= m3/yr);

(DFA;), organ inhalation dose factor for radionuclide i for the receptor of age group a, (units = mrem/pCi).

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