ML20059C367

Forwards Exemption to Derived Air Concentration Values for Kr-89 & Xe-137 in Table 1,App B to 10CFR20 to Be Implemented 940101 & Safety Evaluation

ML20059C367
Person / Time
Site:	Pilgrim
Issue date:	12/29/1993
From:	Eaton R Office of Nuclear Reactor Regulation
To:	Boulette E BOSTON EDISON CO.
Shared Package
ML20059C370	List: ML20059C367 ML20059C372 ML20059C375
References
TAC-M87743, NUDOCS 9401050131
Download: ML20059C367 (4)

Text

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• E ' '~ e t 'E UNITED STATES '

lI 'i NUCLEAR REGULATORY COMMISSION

%s , ,/ WASHINGTON, D.C. 20%!M)001

• December 29, 1993 Docket No. 50-293 Mr. E. Thomas Boulette, Ph.D ,

Senior Vice President - Nuclear Boston Edison Company Pilgrim Nuclear Power Station 1 Rocky Hill Road Plymouth, Massachusetts 02360

SUBJECT:

10 CFR PART 20 EXEMPTION REQUEST - PILGRIM NUCLEAR POWER STATION (TAC NO. M87743)

By letter dated September 13, 1993, Boston Edison Company (BEco) requested an exemption to the derived air concentration (DAC) values for Kr-89 and Xe-137 in Table 1, of Appendix B to 10 CFR Part 20 (Final Rule on Standards for Protection Against Radiation) to be implemented January 1, 1994. BECo requests to use specific DAC values for Kr-89 and Xe-137 instead of'the generic DAC values for these nuclides when determining whether an area is, and  ;

requires posting as, an airborne radioactivity. area. BEco asserts that the genericDACvaluesinAppendixBto 20.001-20.2401 for unlisted, short half-life beta emitters (10' uC1/ml) are too small for these nuclides, and that they would cause over posting of' airborne radioactivity areas which erodes the significance of the posting and consumes resources. BEco requests the exemption because Kr-89 and Xe-137 are a significant fraction of the noble gas  ;

radioactivity in a boiling water reactor.

The NRC staff has reviewed BEco's request and finds that granting the ,

exemption from the requirements of 10 CFR Part 20, Appendix B, Table 1 is '

authorized by law, and will not result in an undue hazard to life or property.  ;

O u

030000 b 94o1o303a1 932229 PDR ADDCK 05000293 MCIRE C 1 P PDR I

W Mr. E. Thomas Boulette December 29, 1993 A copy of the exemption and supporting Safety Evaluation by the staff is enclosed. The exemption has been forwarded to the Federal Reaister for publication.

Sincerely, Original signed by:

Ronald B. Eaton, Senior Project Manager Project Directorate I-3 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Enclosures:

1. Exemption

2. Safety Evaluation cc w/ enclosures:

See next page DISTRIBUTION: J. Lieberman E. Jordan Docket File S. Varga G. Hill (2 cys)

NRC & Local PDRs J. Calvo ACRS (10)

PDI-3 Reading W. Butler OPA TMurley/FMiraglia S. Little OC/LFDCB L. J Callan, Acting R. Eaton W. Dean E. Rossi OGC o

J. Linville, RI

__} 40 N5@ 4 OFFICE PDH3dA PDF/3fP$ PDfr3!O- OGC , ,[ADRI f/jf DRPE:D /W NAME StYNie R kbn WButker Sh JCalvo SVarga DATE )$l /l'7 /93 &/Jo/93 s?./zt/93 12-/P/93 /2 /?//93 /1/ ? V93 0FFICIAL RECORD COPY DOCUMENT NAME: A:\ EXEMPT.LTR k

Mr. E. Thomas Boulette December 29, 1993 l

A copy of the exemption and supporting Safety Evaluation by the staff is  ;

enclosed. The exemption has been forwarded to the Federal Reaister for publication.

Sincerely, L

f]f n'ald B. laton, Senior Project Manager Project Directorate I-3 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation

Enclosures:

1. Exemption

2. Safety Evaluation I

cc w/ enclosures: l See next page j l

1

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1. ..

FT .

Mr. E. Thomas Boulette Pilgrim Nuclear Power Station cc:

Mr. Edward S. Kraft, Mr. H. Vernon 0heim  ;

Vice President of Nuclear .

Manager, Reg. Affairs Dept.

Operations & Station Director Pilgrim Nuclear Power Station Pilgrim Nuclear Power Station RFD #1 Rocky Hill Road RFD #1 Rocky Hill Road Plymouth, Massachusetts 02360 Plymouth, Massachusetts 02360 Mr. David F. Tarantino Resident. Inspector Nuclear Information Manager U. S. Nuclear Regulatory Commission Pilgrim Nuclear Power Station Pilgrim Nuclear Power Station RFD #1, Rocky Hill Road Post Office Box 867 Plymouth, Massachusetts 02360 Plymouth, Massachusetts 02360 Mr. Thomas Rapone  ;

Chairman, Board of Selectmen Secretary of Public Safety '

11 Lincoln Street Executive Office of Public Safety Plymouth, Massachusetts 02360 One Ashburton Place Boston, Massachusetts 02108 Office of the Commissioner Massachusetts Department of Mr. David Rodham, Director Environmental Protection Massachusetts Emergency Management One Winter Street Agency Boston, Massachusetts 02108 400 Worcester Road P.O. Box 1496 Office of the Attorney General Framingham, Massachusetts 01701-0317 One Ashburton Place Attn: James Muckerheide 20th Floor Boston, Massachusetts 02108 Chairmen, Citizens Urging ,

Responsible Energy Mr. Robert M. Hallisey, Director P. O. Box 2621 Radiation Control Program Duxbury, Massachusetts 02331 Massachusetts Department of i Public Health Citizens at Risk i 305 South Street P. O. Box 3803 Boston, Massachusetts 02130 Plymouth, Massachusetts 02361 i

Regional Administrator, Region I W. S. Stowe, Esquire .

U. S. Nuclear Regulatory Commission Boston Edison Company J 475 Allendale Road 800 Boylston St., 36th Floor King of Prussia, Pennsylvania 19406 Boston, Massachusetts 02199  :

Mr. Paul J. Hamilton l Licensing Division Manager Boston Edison Company j 500 Rocky Hill Road  !

Plymouth, Massachusetts 02360-5599