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SOII. STOCKPILE ANALYTICAL DATA <br />vmra companies, Ino. . <br />Durham Pit 117 <br />1431 E. 16th Avenue <br />Greeley, Colorado <br />CGRS Project No. 1-135-9929 <br />SP-1 01/20/04 0.005 0.021 <0.002 2.51 6,667 <br />SP-2 01/20/04 NA NA NA NA 4,890 <br />SP-3 01/20/04 NA NA NA NA 5,733 <br />SP-4 01!20104 NA NA NA NA 1,854 <br />SP-5 01/20/04 NA NA NA NA 5,749 <br />SP-1 10/08/04 NA NA NA NA 140 <br />SP-2 10/08/04 NA NA NA NA 1,981 <br />SP-3 10/08/04 NA NA NA NA 1,020 <br />SP-4 10/08/04 NA NA NA NA 1,333 <br />SP-5 10/O8/04 NA NA NA NA 4,495 <br />SP-6 10/08/04 NA NA NA NA 5,993 <br />SP-1 ~D4/18/OS NA NA NA NA 129 <br />SP-2 04/18/05 NA NA NA NA 1,565 <br />SP-3 04/18/05 NA NA NA NA 7,237 <br />SP-4 iYl/18/OS NA NA NA NA 176 <br />SP-5 1)4/18/05 NA NA NA NA 2,797 <br />SP-6 04/18/05 NA NA NA NA <10 <br />SP-1 :11/09/05 NA NA NA NA 145 <br />SP-2 11!09/05 NA NA NA NA 149 <br />SP-3 ll/09/05 NA NA NA NA 381 <br />SP-4 11/09/05 NA NA NA NA 131 <br />SP-5 11109{05 NA NA NA NA 148 <br />SP-6 11/09/05 NA NA NA NA 142 <br />All Concentrations are expressed in mg/Kg (parts per million (ppm)). <br />TPH-DRO =Total Petroleum Hydrocarbons -Diesel Range Organics <br />Tier I RBSL =Tier 1 Risk Based Screening Level (Soil Leachate to Groundwater Exposure Pathway) <br />MDL = Method Dc;faction Limit <br />NA =Not Analyzed <br />• Samples exceedurg the Tier 1 RBSL or 500 mg/Kg TPH threshold expressed in Bold face <br />Page 1 of 1 <br />