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<br /> TABLE 1
<br /> SAMPLING LOCATIONS AND ANALYTICAL METHODS
<br /> Sample Sample
<br /> Sampling Location Conditions to be Type & Collection Analytical
<br /> Assessed Number Method Constituents
<br /> Ground-water quality; potential
<br /> Main Plant Yard; About 120' release of waste oil, diesel fuel, GW (3) Existing seeps, driven VOCs, PCBs,
<br /> NE of Maintenance Shop and/or PCBs wells, or drilled wells Inorganics, Metals
<br /> Main Plant Yard; About 35'
<br /> North, 20' East & 20' Southeast Soil conditions; Potential release of Soil Three exploratory pits dug BTEX, TEPH,
<br /> of the Maintenance Shop waste oil, diesel fuel, and/or PCBs (6) with backhoe O&G, PCBs
<br /> Quality of surface water discharging Directly from discharge VOCs, Inorganics,
<br /> 001 Pond Discharge from the site to Coal Creek SW (1) stream Metals
<br /> Quality of the water discharging Directly from discharge
<br /> Haulage Tunnels Discharge from tunnels to Dutch Creek SW (1) stream Inorganics, Metals
<br /> Quality of the drainage from beneath
<br /> Sutey Pile Underdrain the Sutey pile prior to discharge to SW (1) Directly from discharge VOCs, PCBs,
<br /> Coal Creek Inorganics, Metals
<br /> Sutey Pile; Existing monitoring Ground-water quality directly Bailers or submersible VOCs, PCBs,
<br /> well GS-1 downgradient of the Sutey Pile GW (1) pump Inorganics, Metals
<br /> Notes:
<br /> SW = Surface water; GW = Ground water
<br /> VOCs = Volatile Organic Comnounda (EPA Method 8260); PCBs = oolvehlorinated biphenyls (EPA Method 8080)
<br /> BTEX = Rcnzene, Toluene, Ethyl Benzene,and total Xylenes (EPA Method 8020); TEPH = t uiai Extractable rctroieum iiyurucarLor,s(E^I'. -, ;;,UU;,
<br /> O&G = Oil and Grease(EPA Method 413.1); Inorganics = General inorganic parameters; Metals = Colorado State Drinking Water Parameters
<br /> Metals + Inorganics List includes: As, Ba, Cd, total Cr, F, Pb, Hg, nitrate, Se, Ag, color, pH, conductivity, Na, Ca, Mg, K, Cl, sulfate, alkalinity, bicarbonate, carbonate,
<br /> TDS, hardness,turbidity, B, Cu, Fe, Mn, Mo, ammonia, phosphate, Zn. Added components will include: TSS, Ni, total cyanide, sulfide as HrS.
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