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HomeMy WebLinkAboutDRC-2016-009409 - 0901a0688065eb7bDiv of Waste Management and Radiation Control AUG 2 2 2016 Energy Fuels Resources (USA) Inc. 225 Union Blvd. Suite 600 Lakewood, CO, US, 80228 303 974 2140 www.energyfuels.com August 18, 2016 VIA PDF AND OVERNIGHT DELIVERY PRC- zoic, - 00<vf0<l Scott Anderson, Director of Waste Management and Radiation Control State of Utah Department of Environmental Quality 195 North 1950 West P.O. Box 144880 Salt Lake City, UT 84114-4880 Re: State of Utah Stipulation and Consent Order (“SCO”) Docket Number UGW-20-01 White Mesa Uranium Mill - Energy Fuels Resources (USA) Inc. (“EFRI”) Notice Pursuant to Part II.H.l of the Groundwater Corrective Action Plan (“GCAP”) included as Attachment 1 to the SCO Dear Mr. Anderson: . EFRI performed second quarter 2016 chloroform monitoring during the period from April 1, to June 30, 2016 under the September 14, 2015 GCAP, included as Attachment 1 to the duly executed SCO. Part II.G of the GCAP states that “An exceedance shall be defined as the presence of chloroform in any Compliance Monitoring Well in excess of the Table 2 Groundwater Corrective Action Limit (“GCAL”) (70 ug/1) for two or more consecutive quarters.” Further, Part II.H.l) states that “At any time EFR[I] submits a quarterly report that demonstrates an exceedance (second quarter of chloroform exceedance), EFR[I] will provide a written exceedance notice to the Director (“Exceedance Notice”) for all wells that have demonstrated such an exceedance.” Pursuant to Part II.H.l of the GCAP, please note that the concentrations of chloroform in TW4-09 exceeded the respective GCAL of 70 ug/L for two or more consecutive quarters as noted on Table 1 attached. This letter serves as the Exceedance Notice required pursuant to Part II.H.l) of the GCAP. Part II.H.2) of the GCAP requires that within 60 days after the time of submittal of a quarterly report that demonstrates an exceedance, EFRI will provide a plan and schedule for remedial actions to address excursion for Director approval. A Plan and Time Schedule as required by II.H.2) will be submitted under separate cover within the timeframe specified. If you should have any questions regarding this submittal please contact me at (303) 389-4134. Yours truly, ENERGY FUELS RESOURCES (USA) INC. Kathy Weinel Quality Assurance Manager cc:David Frydenlund, Harold R. Roberts, David Turk, Logan Shumway, Scott Bakken Table 1 TW4-09 Data TW4-9 Chloroform (ug/l) Carbon Tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/1) Chloride (mg/1) 29-Nov-00 39.4 ND 27-Mar-01 43.6 ND 20-Jun-01 59.0 0.15 20-Sep-01 19.0 0.4 7-Nov-Ol 49.0 0.1 26-Mar-02 41.0 0.5 22-May-02 38.0 0.65 12-Sep-02 49.0 0.2 24-Nov-02 51.0 0.6 28-Mar-03 34.0 0.6 23-Jun-03 33.0 0.8 12-Sep-03 32.0 1.1 8-Nov-03 46.0 1.1 29-Mar-04 48.0 0.82 22-Jun-04 48.0 0.75 17-Sep-04 39.0 0.81 17-Nov-04 26.0 1.2 16-Mar-05 3.8 1.3 25-May-05 1.2 NA NA NA 1.3 NA 31-Aug-05 <1 <1 2.9 <1 1.3 NA 1-Dec-05 <1 <1 <1 <1 1.3 NA 9-Mar-06 <1 <1 2.6 <1 1.5 38 14-Jun-06 <1 <1 2.7 <1 1.5 39 20-Jul-06 <1 <1 <1 <1 0.9 41 8-Nov-06 <1 <1 <1 <1 0.7 44 28-Feb-07 <1 <1 <1 <1 0.6 44 27-Jun-07 21 <1 <1 <1 1.3 42 15-Aug-07 9.5 <1 <1 <1 1.8 38 10-0ct-07 8.7 <1 <1 <1 2 40 26-Mar-08 1.3 <1 <1 <1 2.1 35 25-Jun-08 1.0 <1 <1 <1 2.3 35 10-Sep-08 <1 <1 <1 <1 2.79 28 15-Oct-08 <1 <1 <1 <1 1.99 58 4-Mar-09 <1 <1 <1 <1 2.5 30 24-Jun-09 <1 <1 <1 <1 2.3 30 15-Sep-09 <1 <1 <1 <1 2.5 30 17-Dec-09 <1 <1 <1 <1 1.7 37 23-Feb-10 <1 <1 <1 <1 1.7 47 Letter to Mr. Scott Anderson August 18, 2016 Page 3 Table 1 TW4-09 Data TW4-9 Chloroform (ug/1) Carbon Tetrachloride (ug/1) Chloromethane (ug/1) Methylene Chloride (ug/1) Nitrate (mg/1) Chloride (mg/1) 9-Jun-10 <1 <1 <1 <1 1.5 33 11-Aug-10 <1 <1 <1 <1 1.2 40 6-Oct-lO <1 <1 <1 <1 1.8 34 17-Feb-l1 ND ND ND ND 1.3 41 25-May-11 ND ND ND ND 3.4 38 16-Aug-11 ND ND ND ND 4 21 7-Dec-11 ND ND ND ND 2.3 38 18-Jan-12 ND ND ND ND 2.3 28 31-May-12 ND ND ND ND 4 23 30-Aug-12 ND ND ND ND 3.9 22 3-Oct-12 ND ND ND ND 3.8 21 7-Feb-13 ND ND ND ND 4.12 20.6 30-May-13 ND ND ND ND 4.49 21.4 5-Sep-13 ND ND ND ND 4.03 22.7 7-Nov-13 ND ND ND ND 4.87 23.6 29-Jan-14 ND ND ND ND 4.36 22 21-May-14 6.9 ND ND ND 3.44 24 14-Aug-14 46.9 ND ND ND 2.7 27 29-Oct-14 101 ND ND ND 4.27 25 12-Mar-15 53.5 ND ND ND 3.28 29.5 1 l-Jun-15 35.1 ND ND ND 1.83 35.3 3-Sep-15 48.2 ND ND ND 1.44 39.5 28-Oct-15 68.4 ND ND ND 2.89 29.2 17-Mar-16 74.3 ND ND ND 2.51 33.6 8-Jun-16 76.2 ND ND ND 2.16 35.1