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TR -43 Adecuac +Responses Page 2 August 25, 2015 <br />in applicable Annual Hydrology Reports (AHR's). The subject periods covering the "apparent gaps in <br />the data record" are included in three AHR's that are on file at the Southfield Mine office, and were <br />submitted to the Division, as follows: <br />1986 AIM reporting period June 1986 through May 1987 <br />1987 AHR, reporting period June 1987 through May 1988 <br />1995 AHR, reporting period July 1995 through June 1996 <br />1) b) DRMS concern <br />Since TR43 is not being approved at this time, the updated Table 11 should be incorporated into <br />the permit with an MR, as should the record of the new Corley well. The Division is aware of, <br />and accepts, the discussion regarding the Thompson well on page 2.04.7-12 of the PAP. <br />EFCI response <br />With this submittal EFCI is including a revised, updated, Table 11. A record of the new Corley <br />domestic well is included on the table. In addition, EFCI is indicating the ownership of monitoring <br />well MW -65 (permit no. 294782) by The Corley Company on Table 11. Revised Table 11 (3 parts), <br />shown on PAP pages 2.04.7-13, 2.04.7-14, and 2.04.7-14a, is attached hereto for your review. The <br />document verifying ownership ofMW 65, DWR form GWS -11, is attached hereto on revised page <br />2.04.7-14b. <br />1) c) i) DRMS concern <br />Please provide monitoring data from MWNW, in accordance with the approved water <br />monitoring plan described in Exhibit 25. This data should be used in a detailed analysis of the <br />impact of the Southfield Mine on groundwater quantity. The analysis should also include the data <br />collected from the other groundwater monitoring points and be used to validate any modeling <br />conclusions. (If it is determined that MWNW must be replaced, the Division would appreciate the <br />opportunity to discuss an alternative location for the new monitoring well) <br />EFCI response <br />Data from MWNW, through the 2nd quarter of 2015, is included on updated tables and graphs in <br />attached hereto Appendix A. The recent data indicates that the well remains dry. Based on the new data <br />and review of the "2015 Weaver Analysis" (previously submitted) of the impact of the Southfield Mine <br />to the quantity of groundwater, the aforementioned analysis is accurate. <br />/1) c) ii) DRMS concern <br />Please clarify the lowest elevation that could be measured if MWNW were clear, and whether or <br />not this is the floor of the mine, (5855' was the elevation discussed in TR35 adequacy <br />correspondence and given on page 2.05.6-53 of the PAP; 58611.5' was used in the 2013 Summary <br />Report by HBA) <br />