ML19344B358
| ML19344B358 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/11/1980 |
| From: | Snyder B Office of Nuclear Reactor Regulation |
| To: | Hain R AFFILIATION NOT ASSIGNED |
| References | |
| NUDOCS 8008260716 | |
| Download: ML19344B358 (3) | |
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UNITED STATES 8 *3 NUCLEAR 9.EGULATORY COMMISSION o
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v ASHINGTON. D. C. 20555 1d AUG 11 1980 THis DOCUMENT CONTAINS Mr. & Mrs. Richard Hain 312 Prowell Drive POOR QUAUTY PAGES Camp Hill, Pennsylvania 17011
Dear Mr. & Mrs. Hain:
Your letter to Mr. Vollmer opposing the release of radioactive gas from the Three Mile Island nuclear station wa referred to me for response.
Metropolitan Edison Company sutnitted to NRC a " Safety Analysis and Environ-mental Report" (November 13,1979) in which it evaluated alternative methods for the disposal of the krypton gases, such as purging and cryogenic processing, and selective absorption. NRC also evaluated alternative methods for disposal of the krypton gas to detemine what effect decontamination would have on workers, on the public health and safety, and on the environment. Based on its evaluation, NRC issued an environmental assessment (NUREG-0662 and two addenda) for public comment on March 26, 1980, and received approximately 800 comments.
These comments were considered in the staff's preparation of the " Final En-vironmental Assessment for Decontamination of the Three Mile Island Unit 2 Reactor Building Atmosphere" (NUREG-0662), vols. I and 2, copies of which are enclosed for your information.
From this process have emerged the following NRC staff conclusions:
- The potential physical health impact on the public of using any of the proposed strategies for removing the krypton-85 is negligible.
- The potential psychological impact is likely to grow the longer it takes to reach a decision, get started, and complete the process.
- The purging method is the quickest ant'. the safest for the workers on Three Mile Island to accomplish.
Overall, no significant environmental impact would result from use of an2 of the alternatives discussed in the assessment.
On June 12, 1980, the Commission issued an Order for Temporary Modification of License, authorizing controlled purging of the krypton-85 from the reactor building atmosphere.
In a separate Menorandum and Order, also issued on June 12, 1980, the Commission discussed rationale for its decision. Actual venting 8008260716 1
Mr. & Mrs. Richard Hain operations began on June 28, 1980, and were canpleted on July 11, 1980. The health doses resulting from the purge were well within those predicted in sec-tion 7.1 of volume 1 of NRC's final env?ronmental assessment. Copies of both I
Commission issuances are also enclosed.
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I am pleased to provide you with this information.
Sincerely, w ) _/s y Bernard J. Snyder, Program Director Three Mile Island Program Office Office of Nuclear E 2 actor Regulation
Enclosures:
1.
NUREG-0662, vols.1 & 2 2.
Order for Temporary Modification of License of June 12, 1980 3
Memorandum and Order of June 12, 1980 I
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REGULATOHY INF0HMATION DISTh180 TION SYSTEM (RIDS)
.hCIESSIONNBR36002210518 DOC.DATE: 80/02/15 NOTARIZED: NO DOCKET #
FACIL:50-320 Three Mile Island Nuclear Station, Unit 2, Metropolit 05000320 AUlH.NAME AUlNUR AFFILIATION HAIN,R.
Affiliation Unknown RECIP.NAME RECIPIENT AFFILIATION VOLLMER,R.H.
TMI-2 Operations / Support
SUBJECT:
Protests plan to release Kr-65 gasses from TMI,either i
accidentally or deliberately.
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DISTkIBUTION CODE: XE02S COPIES RECEIVED:LTR TITLE: Aooressee Only NOTES:_______________________----
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HECIPIEN1 COPIES RECIPIENT CUPIES ID CODE /NAnt LITH ENCL 10 C ODE / N A v.E Lifw ENCL INTERNAL:
RESSEE 1
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i TOTAL NUMBER OF COPIES RFQUIRED: LTTR 2
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