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Require- <br /> <br />Requirement Requirement ment <br />complied <br />Comment <br /> citation with ? (yes <br /> Ino <br /> leachate has lower head than adjacent bedrock in most places -Away from former <br /> well PM-7, spoil leachate probably could not discharge into bedrock in the low-wall of <br /> the pit because the relatively thin saturated zone in the spoil does not have sufficient <br />(Continued) head to overcome the expected ambient head in the adjacent bedrock. Regional <br />Basic Standards hydrology indicates ambient head in any permeable bedrock unit can be expected to <br />(Interim be several tens of feet above the elevation of the unit; the head exerted by spoil <br />Narrative leachate ranges between only 25 ft. and 50 ft.). <br />Standard) for <br />Ground Water The saturated zone of the spoil is about 10 fGbe[ow Trout Creek alluvium in <br /> present-day vicinity of well TR-1.5. The west end of cross-seciton G-G' shows the <br /> top of the spoil saturated zone (elev. 7137 ft.) probably is about 10 ft. below Trout <br /> Creek alluvium. <br />H. Sampling Exhibit 14 of <br />frequency at CDMG <br />Yes <br />All sampling frequencies were met. <br />surface water mining permit <br />monitorin sites C-82-056 <br />I. Parameters to be Exhibit 14 of <br />sampled a[ CDMG <br />surface water mining permit Yes <br />sites C-82-056 <br />J. Prevention of <br />impacts to <br />surface water CDMG Trout Creek and the Edna Mine's permanent ponds have water quality that would support <br />that adversely regulation yes the postmining rangeland use. <br />impact the 4.05.1(2) <br />postmining land <br />use within the <br />ermit area <br />K. Sampling Exhibit 14 of <br />frequency of CDMG <br />ground water mining permit yes <br />monitoring C-82-056 <br />wells <br />Page 3 <br />