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HomeMy WebLinkAboutDRC-2011-007621 - 0901a0688028f7f0Nf - '--—••' y State of Utah GARY R. HERBERT Govenutr GREG BELL Lieutenant Governor P Department of Environmental Quality Amanda Smith E.\ecutive Director DIVISION OF RADIATION CONTROL Rusty Lundberg Director October 31, 2011 Ms. Jo Ann Tischler Director, Compliance and Permitting Denison Mines (USA) Corporation (DUSA) 1050 17* Street, Suite 950 Denver, CO 80265 Dear Ms. Tischler: SUBJECT: August 9-10, 2011 DUSA 2011 BAT/DMT Inspection; Engineering Inspection Module 75E; Findings and Closeout An inspection on the subject was held on August 9-10, 2011 at the DUSA mill facilities near Blanding, Utah. Mr. David Rupp represented DRC, Messrs. Ryan Palmer and Daniel Hillsten represented DUSA. A brief discussion of the references and fmdings of the inspection follow below: Findings and Discussion: No new problems were identified. All facilities appear to be functioning in accordance with the current DMT/BAT requirements, except as separately identified in current DRC documented actions. Therefore, the 2011 DMT/BAT Inspection Module 75E is hereby closed-out Please contact Mr. David Rupp of DRC, if you have any questions on the above. UTAH RADLATION CONTROL BOARD , Acting Executive Secretary DAR:dr F:\DUSA\ lnspections\DMT&BAT\201 IMnspection Closeout Ltr lO-lLdoc 195 North 1950 West • Salt Lake City, UT Mailing Address: P.O. Box 144850 • Salt Lake City. LIT 84114-4850 Telephone (801) 536-4250 • Fax (801) 533-4097 • T.D.D. (801) 536-4414 www.deq.uloh.gov Printed on lOO'/r recycled paper State of Utah GARY R. HERBERT Governor GREG BELL Lieutenant Governor It Deb; apartment of Environmental Quality Amanda Smith Executive Director DIVISION OF RADIATION CONTROL Dane L. Finerfrock Director MEMORANDUM TO: FROM: DATE: SUBJECT: File Dave Rupp ^^^P'''2^ Licensing and Permitting Section October 20, 2011 DUSA 2011 BAT/DMT Inspection; Engineering Inspection Module 75E; Findings and Closeout An inspection on the subject was held on August 9-10, 2011 at the DUSA mill facilities near Blanding, Utah. Mr. David Rupp represented DRC, Messrs. Ryan Palmer and Daniel Hillsten represented DUSA. A brief discussion of the references and findings of the inspection follow below: References: A. Photos 8-9-11 and 8-10-11 at DUSA by D.A. Rupp (attached). B. Copy of a record of an Interview with R. Palmer. 8-10-11 (attached). Findings and Discussion: No new problems were identified.' All facihties appear to be functioning in accordance with the current DMT/BAT requirements, except as identified in cuiTent DRC documentation. The captioned photographs in reference (A) shoy acceptable events occurring at the tailings cells and mill area. The record of the interview in reference (B) was obtained during the inspection. However, the interview information has been included with the documentation of two other separate DRC actions. One action involves non-measurement of the water level in Cell 4B (still under DRC review). The other action has been resolved by an NOED dated Septembeij 22, 2011, and involved data logging problems for the LDS in Cell 4A. Both these events are documented in DRC files. Attachments F\DLlSA\Insps\2011 MEMO BAT-DMT 10-11.doc END 195 North 1950 West • Salt Lake City. UT Mailing Address: P.O. Box 144850 • Sait Lake City, UT 84114-4850 Telephone (801) 536-4250 • Fax (801) 533-4097 'T.D.D. (801) 536-4414 www: .(liq.ut(\h.y.i>y Printed an 100''* let ycled paper Photos 8-9-11 and 8--10-11 at DUSA by D.A. Rupp Cell 4B Access to monitoring well on south dike of Cell 48. Loose soils on top of compacted dike soils. Cell 3. Covering cell on west side, full width with imported cover. Cell 4B "porpoising" on circumference of water level. Freeboard at C3 spillway. About 4-feet. C3 New LDS Output Panel. Ron Nieves ready to scan some material N. feedstock fence. 4-feet on cover on rt. @ south side Cell 2. Standpipe extensions to Slimes Drain foreground. Next ext. to LDS for C 2 in background. Page 2 Discharge Line firom C2 Slimes Drain. Note flow and totalizing meter above. Discharge Line firom C2 Slimes Drain, daylighting on N. dike of C3. Cell 3 and C2 could potentially be somewhat hydraulically interconnected^ Setup of new LDS for Cl Flash picture shot pf Slimes Drain standpipe for C2. R.Palmer stated there is no change in the diameter of discharge line. C2 LDS blowpipe standpipe raised 4-feet. Light soil indicates site of former C2 to C3 spillway. 3 These two photos show Settlement Monitor sta. no. 2W4-N. The 4' cover on C2 loosely filled around the Settlement Monitors. Bollards were located to the surface. Two photos ofthe walkway down to the water level at Cell 4B. N.B., the walkway is on a rub sheet. (jicl ^ _ J\ ' J A f h C ^yve-''- ^^-y-tk y 4Ali )SaSi\y±!^i'^-^-^^W -VJl-i \J^^<k:i^i^:^ 3 i ^.^vvw|2i^ jBAA^ ki_lyi^M^ ..-U^jt/_JAjj3^L._^^ 5 I s. •!