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QUARTERLY POND INSPECTION REPORT <br />Snowca Coal Com an Quarter: <br />C-81-041 Inspection Date: <br />Pond Identification <br />Type of Pond <br />Status During Inspection: <br />Design Depth <br />Design Max Water Depth <br />Design Max Sed. Depth <br />Sediment Level <br />Water Level <br />Rills & Gulleys <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Appurtenant Structures <br />Defective Spillways <br />Dewalering Devices Clogged <br />Faulty Gales, Elc. <br />Other <br />Comments <br />Required: <br />3/1 <br />9 RSRDA 10 CRDA-2 11-CBA-2 13-North Portal SAE N Decl CBA-1 <br />Sediment Sediment Sediment Sediment ENV Sums Sum <br />9.0 9.0 6.0 6.0 n/a 4.4 <br />n/a Na n/a n/a n/a Na <br />4.3 5.3 Na 2.0 n/a 4.0 <br />6.1 5.7/6.1 3.5 5.9 Na 4.0 <br />Mudd Dr Dr Dr Dr Dr <br />0 0 0 0 0 0 <br /> <br />Problem Problem Problem Problem Problem Problem <br />Yes/No Yes/No Yes/No Yes/No Yes/No Yes/No <br /> <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />No No No No No No <br />Na No No No No No <br />N <br />No No <br />No ~ No ~ No ~ No I No ~ No <br />Sediment level in pond 11 is about 3.5 feet below the top of the sediment poles. <br />Pond 11 has adequate capacity within the 3.5 feet to contain 25-year event. <br />®~omra®o~ <br />Sediment was removed from CBA-1 Sump during the quarter. O~O~,~®0 E ~ Srsr <br />Sediment poles in Pond 11 were replaced. 1V e ~~.yL O~ <br />~ e@ <br />eirol ?923i) <br />n ~ v-4-o7 <br />w.e s <br />Name of Inspector: Jim Stover <br />J. E.3ids~rpfrpl ~~~'~ <br />Colorado ~~.°'(~J~30 Date <br />