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July 28, 2016 C-1981-028/Keenesburg Strip Mine RAR <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 1 <br />Number of Complete Inspections this Fiscal Year: 0 <br /> <br /> Page 3 of 5 <br /> <br />HYDROLOGIC BALANCE- Rule 4.05 <br />General Requirements 4.05.1; Effluent Standards 4.05.2; Divergence and Conveyance of Overland Flow 4.05.3; <br />Diversions 4.05.4; Sediment Control Measures 4.05.5, 4.05.6; Discharge Structures 4.05.7; Impoundments <br />4.05.9; Ground Water Monitoring4.05.13; Underground Mine Entry 4.05.10; Surface and Ground Water <br />Monitoring 4.05.13; Stream Buffer Zones 4.05.18: <br />o Groundwater monitoring is typically carried out in April and September. The next date for measurement <br />is 1 September 2016. As there was some standing water in low spots, the groundwater table appears <br />higher than typical for the time of year, likely due to recent precipitation events. <br />o Both sediment pond 2 and the dugout pond were holding water, approximately 1.5 to 2 feet. Dugout pond <br />was overgrown with cattails and should be cleaned out during winter freeze, (maintenance item #1). <br />o B- Pit was also holding water. <br /> <br /> <br /> Dugout pond <br /> <br /> Pit B <br /> <br />TOPSOIL - Rule 4.06 <br />Removal 4.06.2; Substitute Materials 4.06.4(4), Storage and Protection 4.06.3, Redistribution 4.06.4: <br />o Due to recent rains there were erosional features on the top sand piles. These features should be <br />monitored and stabliized if necessary. Overall however, the top sand piles appeared shaped to a <br />stable grade. Having been seeded in autumn of 2016 short term cover was establishing and <br />stabilizing the material from excess erosion. <br /> <br /> <br />South slope of topsand pile B1 <br /> <br /> <br />South slope of topsand pile A1