ML20082Q498
| ML20082Q498 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 08/29/1991 |
| From: | Boger B Office of Nuclear Reactor Regulation |
| To: | TOLEDO EDISON CO. |
| Shared Package | |
| ML20082Q501 | List: |
| References | |
| NUDOCS 9109120204 | |
| Download: ML20082Q498 (4) | |
Text
4 UNITED STATES Of AMERICA NUCLEAR REGULATORY COMMISSION
__In'the Matter'of TOLED0 EDISON COMPANY Docket No. 50-346 CENTER 10R SERVICE COMPANY
-THE CLEVELAND ELECTRIC ILLUMlHATING COMPANY (Davis-BesseNucleat Power Station, Unit No. 1)
EXEMPTION 1
-The Toledo Edison Company, Centerior Service Company and The Cleveland Electric illuminating Company (the licensees), are the holders of facility.
Operating License No. NPF-3 (the license) which authorizes operation of the Davis-Besse Nuclear Power Station, Unit No. 1.
The license provides, among other things, that it is subject to all rules, regulations and orders of the Commission now or hereafter in effect.
The facility consists of a pressurized water reactor located at the I
licensee's site in Ottawa County, Ohio.
11.
Title 10 of.the Code of Federal Regulatio'.s (10 CFR) Part 20, Appendix A,
" Protection Factors for Respirators," establishes protection factors of -
l air-purifying respirators for protection against particulates only.
furthermore, footnote d-2(c) states,-"No allowance is to be made for the use of sorbents against radioactive gases or vapors.".This' restriction was l
'needed since an inadequate data base had existed for evaluating'the complex l
, interaction of many factors affecting the service life and removal efficiency l.
910912O204 910829 fDR ADOCK 05000346 PDR
2-of radioactive gases and vapors by sorbent canisters.
Also, due to the lack of a data base, a National Institute for Occupational Safety and Health /Mine Safety and Health Administration (NIOSH/MSHA) certification schedule has not been established to ensure that canisters meet acceptable performance criteria.
Section 20.103(e) of 10 CFR Part 20 allows the Commission to authorize the use of respiratory equipment in lieu of an N10SH/MSHA certification when such an action is justified based on adequate testing of material and performance characteristics..An application by a licensee for this authorization must include a demonstration by testing, or on the basis of reliable test information, that the material and performance characteristics of the equipment are capable of providing the proposed degree of protection under anticipated conditions of use. The licensee has made such an application.
Section 20.501 of 10 CFR Part 20 allows the Commission to grant such exemption from the requirements of the' regulations in 10 CFR Part 20 as it determines is authorized by law and will not result in undue hazard to life or property.
By letter dated December 5,1989, as supplemented July 12 and 29, 1991, the. licensee requested an exemption based on 10 CFR 20.501 to allow the use of radiciodine Mine. Safety Appliance Company (MSA) GMR-1 canisters with a protection factor of 50 for personnel respiratory protection, in l
support of the exemption.-. request, the licensee cited test results, and a L
quality assurance plan that satisfies the recommended. qualification process of NUREG/CR-3403, " Criteria and Test Methods for Certifying Air-l 1
Purifying Respirator Cartridges and Canisters Against Radiciodine."
i The NRC staff evaluated the information provided by the licensee to
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support the exemption request.
The staff's safety evaluation on this matter c# g e-e
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relating to the use of a radiciodine protection factor of 50 for GMR-1 canisters at Davis-Besse is being issued concurrently with this Exempticn The safety evaluation concludes that the licensee's proposed use of rddioiodine MSA GMR-1 canisters with certain usage restrictions and controls can result in significant dose savings over alternative nethods while still providing ef f ectiv': protection.
111.
Accordingly, the Conunission has determined that, pursuant to 10 CFR 20.501, an exemption as requested by the licensee's letter of December 5, 1989, as supplemented.'uly 12 and 29,1991, is authorized by law and will not result in undue hazard to life or property. The Connission hereby grants an exemption from the restriction of 10 CFR Part 20, Appendix A, footnote d-2(c), and authorizes the use of the MSA GMR-1 canister, w'.th restrictions as shown in Attachment I to this rxemption.
The Exemption is subject to modification by rule, regulation, or order of the Commission.
Pursuant to 10 CFR 51.3?, the Commission has determined that the issuance of the exemption will have no significant impact on the environment (56 FR 42075),
i This Exemption is effective upon issuance.
Dated at Rockville, Maryland this 29th day of August 1991.
FOR THE I4UCLEAR REGULATORY r0MMISS10tl giginalsigned by Bruce A. Boger, Director Division of Reactor Projects Ill/IV/V Office of f4uclear Peactor Regulation
Attachment:
Limitations, Usage
- Previously Concurred Restri uns, and Controls dr#
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- 1. imitations, Usage Restrictions, and Controls Applicable to the Use of MSA GMR-1 Canister at the Davis-Besse Nuclear Power Station, Unit 1 I
1.
A protection factor equal to 50 as a maximum value will be used.
2.
The maximum permissible use time will be 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> after which j
the canister will be discarded.
The use time will begin when the
~
canister is unsealed and will include periods of non-exposure.
3.
Canisters will not be used in the presence of organic solvent vapors.
Painting or the use of organic substances will be prohibited while the GMR-! canister is in use.
4 Canisters will be stored in sealed, humidity barrier pack 1ging in The MR 1 canisters will be maintained I
r a cool, dry environment.
in Class "A" storage (as definer. in ANSI N45.2.2) except for those maintained for ready issucr a in the respirator issue area.
e 5.
Canisters will be used ont with a full facepiece proven capable of providing the indi;idual with a fit f actor greater than 500 by a quantitative respirator fit test.
i t
6.
Canisters will not be used in total challenge concentrations of organic iodines and other halogenated conpounds greater than 1 ppm, including non-radioactive compounds.
7 Canisters will not be used in environments where temperatures exceed 110*F. Temperatures at work locations whera GMR-1 canisters are in use will be meusured each shif t and/or coincidentally with operations which heat the work areas to t
assure that this limit is not exceeded..
i In addition to the limitations and usage restrictions noted above, the following program verification measures during initial GMR-T caritter implementation will be used:
a.
weekly whole body counts of individuals using the GMR-1 canister for radiciodine protection will be performed; b.
a whole body count will be given to individuals who exceed 10 HPC hours in 7 consecutive days prior to their next entry i
into a rad;oiod he atmosphere; c.
if an individual measures any iodine uptake to the thyroid during a whole body count f ollowing use of GMR-1 cailisters,
+
the individual will be restricted from further entries into radioiodine atmospheres pending a health physics evaluation; d.
a whole body count survey data base will be compiled to evaluate the results of the program.