ML16148B087

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Approves of Use of Air Sample MPC-hours for Planning Purposes W/Subsequent Assignment of Actual MPC-hours Based on Bioassay
ML16148B087
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 12/24/1991
From: Cline W
NRC Office of Inspection & Enforcement (IE Region II)
To: Hampton J
Duke Power Co
References
NUDOCS 9201140047
Download: ML16148B087 (3)


Text

DEC 24 SS Docket Nos. 50-269, 50-270, 50-287 License Nos. DPR-38, DPR-47, DPR-55 Duke Power Company ATTN:

Mr. J. W. Hampton Vice President Oconee Site P. 0. Box 1439 Seneca, SC 29679 Gentlemen:

SUBJECT:

IN-VIVO BIOASSAY MEASUREMENTS FOR MPC-HOURS DETERMINATION In response to your letter of December 2, 1991, concerning the subject above.

We have no objection to your use of air sample MPC-hours for planning purposes with subsequent assignment of actual MPC-hours based on bioassay.

However, the planned MPC-hours must not exceed 40 per seven consecutive days or 520 per quarter, before assignment of actual MPC-hours based on timely bioassays.

If you anticipate an extended need for working in excess of the MPC. for iodine concentrations, we suggest that. you may wish to seek approval to allow credit for a radioiodine protection factor of 50, consistent with the Enclosure.

Sincerely, ORIGINAL SIGNED BY WLUAM E. CLINE William E. Cline, Radiological Protection and Emergency Preparedness Branch Division of Radiation Safety and Safeguards

Enclosure:

Memorandum from D. Muller to G. Lainas dated June 28, 1984 cc w/encl:

(See page 2) 9201140047 911224 PDR ADOCK 05000269 P

PDR

Duke Power Company 2

cc w/encls:

A. V. Carr, Esq Duke Power Company 422 South Church Street Charlotte, NC 28242-0001 County Supervisor of Oconee County Walhalla, SC 29621 Robert B. Borsum Babcock and Wilcox.Company Nuclear Power Generation Division Suite 525, 1700 Rockville Pike Rockville, MD 20852 J. Michael McGarry, III, Esq.

-Winston and Strawn 1400 L Street, NW Washington, D. C. 20005 Office of Intergovernmental Relations 116 West Jones Street Raleigh, NC 27603 Heyward G. Shealy, Chief Bureau of Radiological Health South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, SC 29201 Manager, LIS NUS Corporation 2650 McCormick Drive Clearwater, FL 34619-1035 R. L. Gill Nuclear Production Department Duke Power Company P. 0. Box 1007 Charlotte, NC 28201-1007 Karen E. Long Assistant Attorney General N. C. Department of Justice P. 0. Box 629 Raleigh, NC 27602 cc w/encl:

(Cont'd on page 3)

Duke Power Company 3

(cc w/encls: cont'd)

M. E. Patrick Compliance Duke Power Company P. 0. Box 1439 Seneca, SC 29679 bcc w/encls:

L. Wiens, NRR W. Miller, RIL G. A. Belisle, RII A. R. Herdt, RII Document Control Desk NRC Resident Inspector U.S. Nuclear Regulatory Commission Route 2, Box 610 Seneca, SC 29678 RII:DRSS RI:SS RIPDRP JPotter WCli lisle Fo 11/91 119

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