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Require- <br /> Require- ment <br />Requirement ment complied Comment <br /> citation with ? (yes <br /> /no <br /> water in these beds; therefore, the mine does not have the <br /> potential to degrade water quality in these beds. <br /> Barren Sandstone - This unit directly overlies the mined <br /> sequence and, consequently, is outside the flow path of gob <br /> leachate discharged from the mine workings, should such a <br /> discharge occur; therefore, the mine does not have the potential <br /> to degrade water quality in this unit. <br /> North Fork Alluvium - Should coal gob leachate enter the North <br /> Fork alluvium, the leachate would be attenuated to near a pre- <br /> mining concentration at a location where the North Fork River <br /> widens (see attached spreadsheet). The predicted increase would <br /> be too small to detect and would not negatively impact the use of <br /> the water; therefore, a ground water point of compliance is not <br /> warranted for the North Fork alluvium. <br />Q. Restoration <br />of ground <br />water CDMG Mining in the permit area cannot be expected to significantly <br />recharge to regulation yes decrease infiltration of snowmelt or runoff into the subsurface. <br />approximate 4.05.11(3) Monitoring data do not show an impact on recharge. <br />premining <br />rate <br /> Data from the down-gradient bedrock monitoring wells (03- <br />R. Prevention of 11-1 and 01-11-1) indicate there have been no significant <br />adverse impacts to bedrock ground water outside the permit area. TDS <br />impacts to CDMG in these wells in 2004 were near the premining 2,700 mg/l level <br />ground water regulation yes found on the mine in the B and E seams. Alluvial (colluvial) <br />systems 4.05.11 monitoring wells that are completed in North Fork River valley <br />outside the downgradient from the mine (GP-3 and GP-4) were dry when <br />permit area sam led in 2004. <br />S. Prevention of <br />impacts to CDMG <br />ground regulation <br />water that s <br />adversely 4.05.1(2) yes <br />impact the and <br />postmining 4.05.11 <br />land use <br />Page 4