ML19207B688
| ML19207B688 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/25/1979 |
| From: | Chilk S NRC OFFICE OF THE SECRETARY (SECY) |
| To: | |
| Shared Package | |
| ML19207B687 | List: |
| References | |
| PR-790525, NUDOCS 7909050089 | |
| Download: ML19207B688 (4) | |
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The staff is directed to prepare an Environmental Assessment regarding Proposals to decontaminate and dispose ci radioactively contaminated waste water frer the Three Mile Island facility.
The Assessrent will be civided into several portions.
The first portion of the Assess: cent will deal with the proposed decontamination of insertnediate-level waste water using the EPICOR-II systec at TMI.
The Assessment should include discussiom of potential t-isks to the public health and safety, including occu:ational ex;=csures and the risk of ac:idental releases, and a discussion of alternatives ts ne EPICOR-II system.
Pending c mpletion of this portion of the Assessment ard opportunity for puoli: co =ent, the staff should direct the licensee not to operate the E?!COR-II sys em.
Testing of the E?ICOR-II system with==t using contaminated waste ray pro':eed.
Except for discharge of waste water decontarinated by the existing EDICOR-I de cntamination syste.E and discharce of industrial waste watert'/ as consistent with the facility operating licenses, no discharge of waste water shall be perritted until com:letion cf a sec:cnd portion of the
- ssessnen-deat;n; with any such proposed cis:na ges.
T=is portion shall in-
- 1.:ce a discus:icn cf alternatives to discharge into the Su:,cuehanna River.
hs de:entamination and disposal of hign-level waste wat r will be the subject f a subsecuent Assesstent.
However, the Dire:::r of the Office of Nuclear '
P,ea ::r Regulation nay authorice measures deemed necessa y to cope with an r.a.". pre-a :ider.t waste water frcr Uni: I whicn has been partially d
- r. arina:ed by water fror Uni 2, n:h ar activity level cf less tnan
- -icr :urie ter ::. :rier :: treatr.en: ar: wi:r ar. activity level aporexi-r2:ely 12 ' -icrc:uries per ::. in :ne di s:na ;e canal after rea=en.
E viste water slichtly contarinated (a::r:ximately 1C-7 -icrocuries per ::. '
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- ieakage f :: seconca y plant se-v :e su::Or: systems.
Tne dis:narge nis incustrial waste water is necessa y :: r2 i r. a i n TMI U n' - " 4 - a sa#e ::nditi:n.
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2 e ergency.
If the Director of the Office of fiu: lear Reacto:- Regulation be-lieves the public health and safety requires the use of' the EPICOR-II s stem, prior to completion of the first portion of the Assesse he shall so report w
to the Cornission and the Comission may then permit use of the system.
The staff should inform the Co::cission promptly regarding its esticated schedule for coroleting each portion of the Assessment and for cc=>1eting the entire Assessment.
For the Comission l
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b SAP.UEL J. (HILK Secretary of th4 Corr.ission Dated at Washin; ton, DC, this Z,5 day of -
1979.
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P00RDilBINA_
TMI EFFLUENT WATER RELEA'iE FOR THE PERIODS 3/28/79-5/11/79 vs 3/28/78-5/11/79 1 31 3
TOTAL VOLUME TOTAL 7
g RELEASED ACTIVITY ACTIVITY ACTIVITY YEAR (GALS)
-(Ci)
(Ci)
(Ci) 1978 13 Billion 16.036
- MDA 15.870 1979 31 Billion 12.738 0.239 12.433
- Minimum Detectable Activity D1.UU_U1
i-LOMPARIS0iis OF DOSES TO MAXIMUM IN0lVIDUAL DRINKIf4G TREATED SUSQUEHANNA RIVER WATER IX'2tSTREf" 0F TMI*
Columbia i
Intake Actual Upstream Control Environmental Dose from Actual Calculated From Sample
' Measurements in Release Data Pathway Downstream Dose The Environment Downstream Dose 45 Day alid Critical 3/28 to 5/11 3/28 to S/11 3/28 to 5/11 Natural Nuclide Organ T979 1978' 1979 1979 Backgrouad mrem mrem mrem mrem Drinking Thyroid 4 0.04
<0.05 40.04 0.01T Hone Water, 131 1
-5 Orinking Whole 0.002 0.002 0.002 3 x 10
.0004 Water, 11 Body Ea i Thyroid
<0.02
<0.02 40.02 0.004 fione 131; Eating Whole
-5
-5
-0
-5 3 x 10 5 x 10 4 x 10 4 x 10
.00001 Fish, 311 Body Boating, 131 Whole 4 7 x 10N 2 x 10 1xM 3x[
None g
Body to E '.
F;-
- Allowable Technical Specification dose for the period 3/28 to 5/11/79 is 0.6 mrem for all pathways
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and nuClides.
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