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PERIODIC INSPECTION FORM <br /> Water, Sediment, or Slurry Impoundment s <br /> <br />INSPECTOR <br />'S NAME: Dennis Jones '7 <br />DATE: ~ ^ I ~ ' 03 <br />NPDES I.D . NO.: N/A <br />FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECTION: <br />SITE NAME : Pond #016A LOCATION: NE'/, SEA/„ Sec. 27, TSN, R88W <br />MINE NAME : Seneca II-W Mine (Seneca Coal Co) LOCATION: 8 mi. S of Hayden, CO <br />MINE I.D. NO.: CMLRD Permit No. C-82-057 OWNER'S REP.: Gregg Kitchen, Gen Mgr <br />Circle or write in appropriate response <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />Lift thickness: in. <br />Compaction according to approved plan: <br />Burning (specify extent and location): No <br />Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 <br />*Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: N/A <br />At isolated points on embankment slopes: Yes No N/A <br />At natural hillside: Yes No N/A <br />Over widespread areas: Yes No N/A <br />From downstream foundation area: Yes No N/A <br />"Boils" beneath stream or ponded water: Yes No N/A <br />Cracks or scarps on crest; Yes No N/A <br />Cracks or scarps on slope: Yes No N/A <br />Sloughing or bulging on slope: Yes No N/A <br />*Maj or erosion problems: Yes o N/A <br />Surface movements in valley bottom or on hillside: Yes No N/A <br />*Erosion of toe: Yes ©o N/A <br />*Water impounded against toe: Yes No N/A <br />Existing embankment freeboard: (normal = 5.0') a tI feet <br />Increase Decrease in water level: feet <br />Cracks, bulging, or erosion on upstream face: Yes No N/A <br />Visible sumps or sinkholes in slurry surface: N/A <br />*Clogging <br />Spillway channels and pipes: Yes No N/A <br />Decant system: N/A <br />Diversion ditches: N/A <br />*Cracking or crushing of pipes <br />Spillway pipes: Yes No N/A <br />Decant system: N/A <br />Trash racks clear and in place: Yes No N/A <br />*Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted in <br />these items should normally be described (extent, location, volume, etc.) in the space on the <br />back of this sheet. <br />