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<br />Requirement Require- <br />ment Complied with? <br />Comment <br /> citation (yes / no) <br />P. Para- Exhibit 29 of <br />meters to be CDRMS <br />analyzed in <br />ground mining yes <br /> permit C-81- <br />water 044 <br />sam les <br /> Although the Middle Sandstone is the aquifer most <br /> likely to be affected by mining at Eagle, the <br /> Middle Sandstone does not have the potential to be <br /> negatively impacted because head in this unit is <br /> greater than the predicted maximum head created <br /> by water sumped in the mine workings (see DBMS <br /> Memorandum in SL-2 bond release file, dated <br /> 4/5/05). A ground water point of compliance has <br />Q. Basic Standards CWQCC not been established for the Middle White because <br />for Ground regulations yes of the absence of potential for negative impact. <br />Water 41.4 and 41.5 The Middle White Sandstone is monitored <br /> downgradient from Eagle's underground workings <br /> in well TR-7A. Data from this well indicates the <br /> mine would comply with the Basic Standards if <br /> TR-7A were considered as a compliance point. <br /> For example, TDS in TR-7A in 2006 was 273 mg/I <br /> (calculated as 0.7 X 390 umhos/cm conductuctivity <br /> = 273 mg/l), which is less than the 393 mg/1 <br /> background value identified in the DRMS <br /> Memorandum of 4/5/05. <br />R. Restoration of <br />ground water <br />CDRMS The Eagle Mines are located along the outcrop belt <br /> <br />recharge to <br />regulation <br />yes of the Williams Fork Formation. Ground water is <br /> <br />approximate <br />4.05.11(3) recharged in this outcrop belt. The Eagle Mines do <br /> <br />remining rate not diminish the amount of this recharge. <br />S. Prevention of <br />adverse impacts <br />CDRMS <br />Compliance with the Basic Standards for ground <br /> <br />to ground water <br />regulation <br />yes water, as explained in item Q, above, indicate the <br /> <br />systems outside <br />4.05.11 permittee is preventing adverse impacts to ground <br /> <br />the ermit area water systems outside the permit area. <br />T. Prevention of <br />impacts to <br />ground water <br />CDRMS The postmining land uses of rangeland/wildlife, <br /> <br />that adversely <br />regulations pastureland, and cropland will not use ground water. <br />impact the 4.05.1(2) and Yes Consequently, any impact to ground water will not <br />postmining land 4.05.11 impact the postmining land use in the permit area. <br />use within the <br />ermit area <br />Page 3 <br />