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Climax Mine Water Quality Monitoring Plan Evaluation - 2014 <br />Sampling Locations <br />Groundwater Sample Locations: ARwell, ARK -MW -001 D, ARK- MW -002S, ARK -MW- <br />002D, EVMW -1 S, EVMW -1 D, EVMW -2, EVMW -3S, <br />EVMW -3D, EV -MW -004, EVS -1, EVS -2, EVS -3, GWM -1, <br />TM -MW -001 D, GWM -2, TM- MW -002D <br />Internal Surface Water Sample <br />Locations: CC -SW 1, EI -SW 1 <br />Surface Water Sample Locations: Arkansas #1, Arkansas #2, Al, BI, EPR Outlet <br />During 2014 water quality samples were successfully collected quarterly from the above <br />sample locations with the exception of the following: <br />First Quarter: <br />- EPR Outlet— Insufficient Flow <br />- EVS -1, EVS -2, EVS -3, Arkansas #1, Arkansas #2, CC -SW 1, EI -SW 1, Al, and BI <br />— Inaccessible <br />Second Quarter: <br />- EPR Outlet— Insufficient Flow <br />Fourth Quarter: <br />- EVS -1 —Frozen <br />Tabulated data for all monitoring sites follows this discussion. <br />Discussion of Results: NPL and CBSG Criteria for POC Wells <br />The results for the indicator parameters of the POC Wells were tabulated and compared to <br />the NPL (or proposed NPLs) for each parameter. Climax does not have proposed NPLs for <br />well ARK -MW -001 D. Following discussion with DRMS, Climax has initiated monthly <br />sampling at this location and will propose NPLs pending the results of the 2015 sampling. <br />Climax has also asked the analytical lab to begin analyzing dissolved molybdenum by EPA <br />Method 200.8 ICP -MS, rather than 200.7 ICP, in order to get an additional significant figure <br />in the results and allow for a more detailed NPL comparison. <br />