ML20035E631
| ML20035E631 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 04/06/1993 |
| From: | Weiss S Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20035E602 | List: |
| References | |
| NUDOCS 9304190044 | |
| Download: ML20035E631 (3) | |
Text
4 7590-01 UNITED STATES NUCLEAR REGULATORY COMMISSION PORTLAND GENERAL ELECTRIC COMPANY TROJAN NUCLEAR PLANT DOCKET NO. 50-344 ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT The U.S. Nuclear Regulatory Commission (NRC) is considering issuance of an exemption to the requirement to perform periodic containment leak rate testing as required by 10 CFR 50.54(o) and 10 CFR 50, Appendix J.
This exemption would be granted to the Portland General Electric Company (PGE or the licensee) for the Trojan Nuclear Plant (Trojan) located in Columbia County, Oregon, on the Columbia River.
ENVIRONMENTAL ASSESSMENT Identification of Proposed Action:
The proposed action would grant an exemption from the requirements of 10 CFR 50.54(o) and 10 CFR 50, Appendix J to perform periodic containment leak rate testing. The' licensee requested this exemption in their letter of February 16, 1993, and is being considered by the NRC.
The Need for the Proposed Action:
The licensee letter of January 27, 1993, stated that the Trojan Nuclear Plant had permanently ceased power operation.
By letter dated February 2, l
1993, the licensee informed the NRC staff that all reactor fuel had been 1
pert,anently removed from the reactor vessel at Trojan and placed in the spent fuel pool. On March 24, 1993, the NRC staff issued an order confirming the commitment by the licensee, as stated in a letter dated February 17, 1993, not to move fuel back into the containment building at Trojan without prior NRC approval. Removal of the fuel from the containment has eliminated the
$[ OoN OSO g P
a eIi 2-significant source of radioactivity from the containment and has eliminated the primary source of energy for creating a differential pressure to cause i
leakage across the containment barrier. Therefore, the requirements of 10 CFR 50.54(o) and 10 CFR 50, Appendix J are no longer needed since there could not be any possible release of fission products into the environment j
from reactor pressure system boundary releases.
Environmental Impacts of the Proposed Action:
l The proposed exemption does not have any effect on accident risk and the possibility of environmental impact is extremely remote.
The proposed exemption does not increase the probability or consequences of any accidents, no changes are being made in the types of any effluent that
~
may be released offsite, and there is no significant increase in-the allowable individual or cumulative occupational exposure.
Accordingly, the Commission concludes that this proposed action would result in no significant radiological impact.
With regard to potential non-radiological impacts, the proposed action 4
does not affect non-radiological plant effluent and has no other environmental impact. Therefore, the Commission concludes that there are no significant non-radiological impacts associated with the proposed exemption.
Alternative to the Proposed Action:
Since the Commission concluded that there are no significant environmental effects that would result from the proposed action, any alternatives with equal or greater environmental impacts need not be evaluated.
The principal' alternative would be to deny the exemption. This would not reduce environmental impacts of plant operation and would not enhance the protection of the environment nor public health and safety.
i Alternative Use of Resources:
This action does not invo've the use of resources not previously considered in the Final Environmental Statement for the Trojan Nuclear Plant.
Acencies and Persons Consulted:
i The NRC staff reviewed the licensee request and did not consult other j
l agencies or persons.
FINDING OF NO SIGNIFICANT IMPACT i
l The Commission has determined not to prepare an environmental impact statement for the proposed exemption. Based on the foregoing environmental assessment, we conclude that the proposed action will not have a significant effect on the quality of the human environment.
For further details with respect to this action, see the application for exemption dated February 16, 1993, which is available for public inspection at the Commission Public Document Room, 2120 L Street, N.W., Washington, D.C.
20555, and at the local public document room for the Trojan Nuclear Plant at the Branford Price Millar Library, Portland State University, Portland, Oregon l
f 97207.
Dated at Rockville, Maryland, this 6th Day of April 1993 FOR THE NUCLEAR REGULATORY COMMISSION
.osE4 1
Seymour H. Weiss, Director Non-Power Reactors and Decommissioning Project Directorate Division of Operating Reactor Support j
Office of Nuclear Reactor Regulation i
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