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iii iiiiiiiiiiiii iii <br />QUARTERLY POND INSPECTION REPORT <br /> PAGE 1 OF 1 <br />PERATOR: MINREC, INC. QUARTER: FIRST QUARTER 1996 <br />INES: NORTH THOMPSON CREEK DATE OF INSPECTION: MARCH 22, 1996 <br />POND IDENTIFICATION P-9 REFUSE LONG POND T-1 T-2 <br />YPE OF POND SEDIMENT SEDIEMNT TREATMENT TREATMENT TREATMENT <br />TATUS DURING INSPECTION: <br />PPROXIMATE WATER LEVEL 36" 6" FULL FULL FULL <br />ED ($ total storage) 0$ OK N/A N/A N/A <br />UTFLOW (gpm) NONE NONE TO T-1 TO T-2 35.8 <br />FEATURES PROBLEM PROBLEM PROBLEM PROBLEM PROBLEM <br />EROSIONAL: YES NO YES NO YES NO YES NO YES NO <br /> <br />Rills & Gulleys X X X X X <br />Inadequate Vegetation X X X X X <br />Outlet Channel Erosion X X X X X <br />Burrows X X X X X <br />Other X X X X X <br />STRUCTURAL: <br />Differential Settling X X X X X <br />Cracks or Slides X X X X X <br />Seepage X X X X X <br />Other X X X X X <br />PPURTENANT STRUCTURES: <br />Defective Spillways X X X X X <br />Dewater Device Clogged X X X X X <br />Faulty Gates, Etc. X X X X X <br />Other X X X X X <br />DDITIONAL COMMENTS: The water level in P-9 was about 12" below its outlet <br />he refuse pond had about 6" of wat er in the bottom of the pond. <br />Drawing D-2-5 shows the location of the long pond & ponds T-1, T-2 & P-9. <br />Drawing D-4-8 shows the location of the refuse pond. <br />INTENANCE REQUIRED: None <br />WMP CONTROLS: The stormwater manag <br />d <br />i <br />th <br />d <br />d <br />t <br />t ement plan controls <br />Th <br />t <br />ti were.insp'ec.ted <br />d <br />• <br />` <br />ur <br />ng <br />e secon <br />an <br />four <br />h quar <br />e rs. <br />e vege <br />on <br />a :;: <br />~. <br />on khe <br />p4h <br />outslo es the mine portal area and <br />d <br />~ the fan area were i n~ecte ~nd':•;:. <br />Z <br />' <br />'~ <br />found <br />o <br />ie adequate to control ero sion. Wi th the exce ptl <br />iri.'of the~. <br />•; <br />rosion caused by the 8/24/95 signi ficant precipitation . vent, no ', <br />~' <br />•~ <br />evidence of erosion was noted. p <br />;..c. ` <br />:c,. <br />~ <br />~' <br />'[1 <br />~ <br /> <br />AME OF INSPECTOR: Jim Stover, P.E <br />. 19230 , <br />-'ma ~ <br />: <br />s <br />a <br />X <br />-- <br />c"~°~-~~ ~~= %,E:r <br /> ~ <br />~~~~UF1AL~~~e <br />