ML20033G016

Advises That Proposed Remedial Action Insp Plan Should Be Revised to Reflect More Stringent Testing Frequencies Prior to NRC Concurrence

ML20033G016
Person / Time
Issue date:	03/19/1990
From:	Randy Hall NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Matthews M ENERGY, DEPT. OF
References
REF-WM-67 NUDOCS 9004040291
Download: ML20033G016 (3)

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UnANGUM RECOVERv PIELO OPPICE

' peNvsn. Epo estas MAR I 91990 URFO DLJ Docket No.-WM-67 040WM067130E 040WM067150E Mr. Mark Matthews

'U.S. Department of Energy Albuquerque Operations Office P.O. Box 5400 Albuquerque, New Mexico ~'87115

Dear Mr. Matthews:

In conjunction with NRC's issuance of the draft Technical Evaluation Report (TER) for the Ambrosia Lake UNTRA Project site, we reviewed the proposed Remedial Action Inspection Plan (RAIP), Revision A, submitted bysyour. letter of October 20, 1989.' The following items of the proposed inspection program were.

identified as deficient:

1.

The " Staff Technical Position on Testing and Inspection Plans during DOE's Remedial: Action at Inactive Uranium Mill Tailings Sites," Revision 2 January 1989, (STP on Inspection), requires that all fill other than-contaminated material have in place field density and' moisture tests performed once for every 500 cubic yards of material placed.

Contrary to this.-the proposed RAIP, Section 6.1.4 b, requires,a testing frequency of V

only once for every 1000 cubic yards of. material placed.

2.

The STP on-Inspection requires that'at least one in place field density and moisture test be performed on each lift placed.

This provision is not in l

the proposed RAIP.

3.

The STP on Inspection requires that gradation and classification testing of the radon barrier material be performed once for every 1000 cubic yards of material placed.

Contrary to this, the proposed RAIP requires gradation a'nd classification testing only once for every 2000 cubic yards.-

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.of radon barrier material placed.

y' Prior to NRC concurrence in the proposed RAIP, the document should be revised to reflect the more stringent' testing frequencies, or the less conservative frequencies.should be justified.

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