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HomeMy WebLinkAboutDRC-2013-003020 - 0901a068803b27baDepartment of Environmental Quality Amanda Smith Acting Executive Director JON M. HUNTSMAN, JR Governor DIVISION OF RADIATION CONTROL Rusty Lundberg Director H DRC-2013-003020 i" GARY HERBERT Lieutenant Governor August 27, 2013 Jo Ann Tischler Director, Compliance Energy Fuels Resources (USA) Inc. 225 Union Blvd., Suite 600 Lakewood, CO 80228 Dear Ms. Tischler: SUBJECT: Compliance: Dam Safety Inspection; White Mesa Uranium Mill: Closeout On August 2,2013 the Division of Radiation Control performed the annual dam safety inspection at the White Mesa Uranium Mill site. The embankment and impoundment (tailings cell) generally looked good. Inasmuch as the inspection revealed no items in need of correction, this inspection is closed. Thank you for your continued cooperation. Sincerely, RL/RJT:rjt cc: David K. Marble, PE, Assistant State Engineer (w/ enclosures) 168 North 1950 West • Salt Lake City, UT Mailing Address P.O Box 144850 • Salt Lake City, UT 84114-4850 Telephone (801) 536-4250 • Fax (801) 533-4097 • T D D (801) 536-4414 www deq Utah gov Printed on 100% recycled paper Dam Safety Inspection Facility Cell 4A, Energy Fuels Resources, Inc., White Mesa Mill, Blanding, Utah Storage Level 5591.131 Date August 2,2013 Weather 80°F, light breeze from the south, mostly sunny People Present ^Representing Russ Topham Utah Division of Radiation Control Garrin Palmer Energy Fuels Resources, Inc. Element N/A;, !i 1 Not Inspected! Inundated j Good j MqnftQB: &M#nte>ianee} ^gritlcaK Embankment 1. Crest 2. Upstream Slope 3. Downstream Slope 4. Groins Abutment/Foundation 5. Left Abutment 6. Right Abutment2 7. Upstream Toe3 8. Downstream Toe ReseryolrBa$lns4 9. Shore Stability4 10. Reservoir Bottom Spillway 11. Freeboard 12. Intake 13. Concrete Structures 14. Stilling Basin 15. Outfall Channel Outlet. , 16. Conduit 17. Intake 18. Stilling Basin 19. Discharge Channel 20. Controls 21. Venting Instrumentation 22. Monuments 23. Staff Gage 24. Piezometers 25. Drains 26. Other Notes , 1. Remaining freeboard 31.32" 2. The right abutment of the Cell 4A embankment joins the left abutment of the Cell 4B embankment. 3. The upstream toe and cell bottom were inundated and not visible for inspection. 4. Interior faces of the cell are lined with PVC. No evidence of irregularities seen in liner contours. 5. Impoundment is total containment and has no provision for discharge except by spillway to Cell 4B. Dam Safety Inspection Facility Cell 4B, Energy Fuels Resources, Inc., White Mesa Mill, Blanding, Utah Storage Level 5586.881 Date August 2,2013 Weather 80°F, light breeze from the south, mostly sunny Name People Present Representing Russ Topham Utah Division of Radiation Control Garrin Palmer Energy Fuels Resources, Inc. Monitor ; Maintenance Element N/A Critical Good Not Inspected Inundated Embankment 1. Crest 2. Upstream Slope 3. Downstream Slope 4. Groins Abutment/Foundation 5. Left Abutment 6. Right Abutment2 7. Upstream Toe 8. Downstream Toe Reservoir Baslns4 9. Shore Stability4 10. Reservoir Bottom Spillway • 11. Freeboard 12.Intake 13. Concrete Structures 14. Stilling Basin 15. Outfall Channel Outlet5 16. Conduit 17.Intake 18. Stilling Basin 19. Discharge Channel 20. Controls 21. Venting Instrumentation 22. Monuments 23. Staff Gage 24. Piezometers 25. Drains 26. Other Notes 1. Remaining freeboard 92.64" 2. The right abutment of the Cell 4A embankment joins the left abutment of the Cell 4B embankment. 3. The upstream toe and cell bottom were inundated and not visible for inspection. 4. Interior faces of the cell are lined with PVC No evidence of irregularities seen in liner contours. 5. Impoundment is total containment and has no provision for discharge. Photo 1. Cell 4A Left Abutment Groin. Photo taken August 2, 2013. Photo 3. Downstream (South) Face of Dike At Junction of Cells 4A and 4B. Photo taken August 2, 2013. Photo 2. Downstream (East) face of Cell 4A Dike. Photo taken August 2,2013. ,i-u as Photo 4. Cell 4B Right Abutment Groin. Photo taken August 2, 2013. Photo 5. Cell 4A Crest. Photo taken August 2, 2013. Photo 6. Cell 4B Crest. Spillway between Cells 4A and 4B is visible on the common between the cells. Photo taken August 2, 2013.