ML20211P114
| ML20211P114 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 12/15/1986 |
| From: | Travers W Office of Nuclear Reactor Regulation |
| To: | Harold Denton, Miraglia F Office of Nuclear Reactor Regulation |
| References | |
| CON-NRC-TMI-86-116 NUDOCS 8612180395 | |
| Download: ML20211P114 (3) | |
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i December 15, 1986 NRC/THI-86-116 MEh0RANDUll FOR:
Harold R. Denton, Director Office of Nuclear Reactor Regulation Frank J. liiraglia, Director Division of P!!R Licensing-B FROM:
t!illian D. Travers, Director TMI-2 Cleanup Project Directorate hCTHI2CLEANUPPROJECTDIRECTORATEWEEKLYSTATUS SU3 JECT:
REE6RT7 6R DECEMBER 8 - 14, 1986 1.
DEFUELIrlG Efforts continued to remove the broken drill strings inbedded in the debris pile as a result of core drilling operations. Four of the six broken strings have been removed. Efforts will resune to remove the recaining two when water clarity is regained.
!!ydrogen peroxide was added to the Reactor Coolant Systen (RCS) to control the regreuth of the bio-organisas. The addition resulted in severe degradation of water clarity.
A decontanination experiment was perforced in the reactor building baseaent. A high pressure hydrolazer nounted on a robot was used to scarify the concrete. The results of the experinent are under evaluation.
The licensee completed the first of a series of tests of a prograa that involve addition of coagulant chenicals to the Defueling !!ater Cleanup Systea (DUCS) process streen. The coagulant, in conjunction with a filter aid material, was added while processing water from a bleed tank through a DWCS filter canister. Prelininary test results indicate a substantial increase in DUCS filter life as well as very good water clarity on the filter effluent. The test prograa will Continuc.
2.
EllVIR0TENTAL fiONITORIllG US Environmntal Protection Agency (EPA) sauple analysis results show that TliI site liquid effluents are in accordance with regulatory linits, NRC requirenents, and the City of Lancaster Agreenent.
Ti1I water effluents are sacpled from t.he station (Unit.s 1 and 2) discharge and analyzed by EPA. Garru spectrum analyses of the seven daily composited scuples (November 22 - 29, 1986) indicated no TMI-2 related radioactivity.
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Decenber 15, 1986 Frank J. tiiraglia ifRC/ Tit!-86-116 EPA's gama spectrun analysis of the f!RC's Tf!I outdoor air sanple for December 4 - 11, 1986 showed no reactor related radioactivity.
The Lancaster water works intake composited seven daily sanples (Nover.ber 23 - 29, 1986) garria spectrum analyzed by EPA showed no reactor rclated rcdioactivity.
3.
AUXILIARY AtlD FUEL liANDLING BUILDIrm ACTIVITIES Reclauation of Defueling Water Cleanup Systcu (DUCS) filters continues.
Fuel handling building ventilation systen nodifications are complete. Testing is in progress.
Pre-operational testing of the Sedinent Transfer Systen revealed that the systen will rcquire modification before it can be operated.
Engineering studies are in progress to modify the systen.
Fuel canister preparation for shipment is in progress.
Installation of ari ultraviolet light / ozone device for water treatacnt bcs been placed on hold for industrial' safety studies.
4.
f;RC EVALUATIOliS Ifl PROCRESS Technical Specification Change Request nuubers 49, 51, 52, and 54.
Recovery Operations Plan Change nursers 31 and 33.
Solid llaste Facility Technical Evaluation Report.
!! cavy Lead Safety Evaluction f!eport, Revision 3.
Disposal of Processed Mater Report.
Safety Evaluation Report for Use of Plasma Arc Cutting Torch.
Ex-Vessel Defueling Safety Analysis.
Pust Defueling (bnitored Storage Proposal.
Temporar/ lleactor Vessel Filtration Systen Safety Evaluation Report, Revision 3.
5.
! FETING Thc Advisory Pancl for the Decentanination of Three !!ile Island Unit 2 rret on Decenber 1D,1906 in Harrisburg, PA.
At this nueting the Panel was briefed by the licerisce on their recent propcsal for the Post Defueling l:coitored Storage of Ti:I-2.
The next naeting of the Panel is ttutatively scheduled ter Jcnuary 21, 1937 in Luncester, PA. The exact dato, time, lecction and agenda will be contiraed at a later date.
OluGlNAE SiONED BY.
V/it'iom D. Travm Willit.n D. Travers Director TriI-k Cleanup Project Dir ctorate
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