2007-02-23_REVISION - M2002114 (2)

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--• cured south of the pit in a st~~.kpilc. All stockpile slopes will be 3H:1 V or less. The stockpile calculations can be sec;n in Table D-7. I able I)-' foosnil ~turl,nilc I Area 2.3 acres . A ~ rox, volume 25.UI1U cy Avg. height b.? tt. Ratio 3 Minimum width 40.4 ft. Oycrburden Stocl~pilc -- `fhc overburden from Pit I will be stockpil~Yl to the north ofthat pit. Once enough of Pit I bus -- been mined out to stun creating the wetland shelves in the Reclamation Plan. this stockpile will _ _ • he rehundled and will create a portion of the sheh es show n in Pit I . __ 5. Contamination Issues with thc_Gilsonite Refincr~~ (,nods - - The Gilsunitc Refinery pnrperty Iocaled immediately west of I ~ Road, is an industrial site that -- has been used iitr various refining activities since the 1950'x. Pram considcruble testing - - perttrrnud by the landowner and the Colorado Department of Health, Hazardous Wustc Division, -- a number of contaminants arc present un the Fruity Marketing and Management (F~9M) - _ property. SOII LCSIx haul' Shaw'^ that petnrlewn hydrocarbons, benzene, arsenic are present in the soil above desirable levels in few areas within the FMM property. Other metals and petroleum -- compounds are present but are not above levels of SRO (Soil Remcdiation Objectives). 'these -- SRO levels were determined by the CDOH lazardous Waste Division. A plume of free product -- petroleum hydrocarbons exisu south of the refinery buildings at the top ol'the water table, but - _ since the normal flaw gradient in the alluvium is to the southwest to the River, it is extremely _ _ unlikely fluff this plume ur ay other cuntatninants could hr drawn toward the United permit urea _- • l,~r;ucd approximalcly ?(1(111 fcet to the cast during thu prt pumping. For this nusun, rra additional wrll lcsting is proposed 1iv this pcr~nit. !S Road Pir l4rbrucrrv (17 D ~)