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To: Jared Ebert <br />Date: February 14, 2018 <br />Page 12 <br />iv. See v below <br />v. Monitoring wells may be used to detect drawdown and mounding during different <br />phases of the project. The baseline elevation for each monitoring well is listed in <br />the table below. The elevations take into account the seasonal variations. <br />Dry Season Wet Season <br />Well Baseline Baseline <br />Elevation ft. Elevation ft. <br />MW-01 5044.6 5048.1 <br />MW-02 5048.2 5051.3 <br />MW-03 5051.6 5055.8 <br />MW-04 5047.7 5051.4 <br />MW-05 5052.4 5056.1 <br />MW-06 5052.4 5057.6 <br />MW-07 5047.6 5051.2 <br />MW-08 5052.6 5056.2 <br />MW-09 5052.9 5054.8 <br />MW-10 5044.1 5046.3 <br />MW-11 5044.2 5045.8 <br />MW-12 5041.1 5045.2 <br />MW-13 5042.6 5046.6 <br />M-14 5043.7 5047.2 <br />Comment 39a <br />Section 7.3.2 of the application claims that "ground water quality is not anticipated to be <br />an issue." Exhibit G cites a groundwater study (Telesto, 2017b) that was not submitted <br />with the application. Has LRM analyzed the baseline groundwater quality? If so, please <br />provide this data. Please provide a prediction of the probably hydrologic impacts to the <br />groundwater quality from excavating the alluvial material and exposing the Pierre Shale. <br />Response 39a <br />The statement that "ground water quality is not anticipated to be an issue" comes from <br />three fundamental pieces information: <br />Response to DRMS Adequacy Review 3 comments T E L E S T O