ML19220A395
| ML19220A395 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 10/18/1976 |
| From: | Jay Collins Office of Nuclear Reactor Regulation |
| To: | Regan W Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7904170545 | |
| Download: ML19220A395 (5) | |
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)b DCT 16 570 RESPONSE TO AGENCY.CO!?'ENTS TliREE MILE ISLAN') NUCLEAR STATION, UN1i NO. 2 Docket No.
50-320 U. S. Environmental Protection Agency Comment The NRC staff is evaluating recently furnished information concerning the capability of the liquid and gascous waste systems to teet the tuir 2:2nts of Ay, cadix I to 10 CFR Part 50.
It is heped that this evaluation could be incorporated into the Final Envirer ental State-cent, as well as operating experience for Unit No.1, so that the Final Statement reflects the best current estimate of the radiological 11 pact upon the environment for the complete plant.
EEff03SC The staff is now in the process of completing its evaluation as to the capability of the radwaste systems to meet the requirements of Appendix I to 10 CFR Part 50.
The evaluation will be incorporated in the Supplecent to the Final Environmental Statement.
With respect to operating experience for Unit No. 1, such information was not included, since under the p_ovision of Appendix I, applicants ciecting the Section II.D cost-benefit analysis base their evaluation on the effluents from each unit and not on the combined effects of the effluents from all units located on the plant site.
Cc-ent It sculd also be :.elpful to provide the
- s t n ant inic,rn uicn on lew-level solid wastes.
Several references are available to this subj ect.
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. The Atomic Energy Coumission's (now NRC) concludin; statcrent to its rulemaking proceedings on Apprendix I to 10 CFR Part 50 contains inproved esticates of low-level solid radwastes produced during ancicar power plant operations. The Oak Ridge National Laboratory (CRNL) has published "A Critical Review of the Solid Radioactive Waste Practices at ' uclear Pcwcr Plants" (CRNL-4924), which provides a cc:, pila-tion of operational experience relative to these wastes.
The ETA has also conducted extensive research on these wastes and their inpacts at selected, licensed, shallow land burial sites.
ased en analysis of C
available information, EPA estinates that the annual off-site shiprent of "Icw-level solid wastes" will be conprised of approxinately 3
IS,e00 feet for a PhR cperated at Unit No. 2's design pc.eer with 80 percent capacity factor (4)
We believe the final statement should provide the rationale for estimate similar to this.
We understand that another study is being conducted on this subject by the Atcric Industrial Forum.
Ne encourage the NRC to up! ate the esticates of lew-level solid waste quantities using the most appropriate and currenu c.,7 e r i c a c e,
r,esponse The staff has reassessed the solid radweste to be shipped to licensed land burial sites based on acre recent operating data applicable to Three Mile Island Nuclear Station, Unit No. 2.
Eased on this reassess-nt, the st a ff '.s uf -ted :Se ar a.nl ar-ity m.! _ !!
tive c;rt at
...olid wastes in the Supplement to the FES.
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f Comment In respanse to an earlier comment on radioactive waste disposal sites, the final stattrent, page B-75, indicated that all details concerning shipping points for spent fuel and solid radwastes will be conpleted I
- b. fare p1' it es caticn.
'.. c e to
," :i:e th.4t ear y estion, page E-90, concerned disposal sites and their envircarantal assessment I
t and not shipping peints.
In inv case, now that Unit No. 1 is operating, the ccnpleted details should have included identification and environ-cental assesstent of solid radicactive waste disposal sites.
This is not evid2nt,.cwever, from tb-draft supplement, which contains no 1
in format ion on disposal sites.
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The management of Icw-and high-levc1 wastes is centioned on pages l
l 5-1 and 5-13, Sy reference to Tab!c 5.5 extracted from 10 CFR Part 51.
However, this table centains ne inforn.' ion on specific disposal sites, does not include solid wastes produced at the reactor, and does not j
.ntien hi;h-lu.el wastes.
Solic wastes, other than high-level, are mentioned in the final state-
.ent, pa;e 3-30, but the radiological qTintities involved are net given.
The supplement should indicate quantities, identify disposal sites, and assess the environmental suitability of the sites.
Si,11rly, the cuantity of u,h-level wastes ari m ; frc-the
- 'act ar i
operaticn and an assessment of the propcsed dispasal r.:thod and site should be discussed.
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Re.sanse i
i The staff has reassessed the radiological quantities in solid wastes to be shipped to licensed land burial sites based on recent operating data applicable to Three Mile Island f;uclear Generating Station, I
Unit ';o. 2.
Based on this reassessuent, the staff has provided a i
l value for radicactivity. cont ent of solid wastes in the Suc. clement to the FES.
(The remainder of this concent is net within the ETSB review area.)
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