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North Coast Laboratories. Ltd. Date: 11-Feb-2010 — <br /> CLIENT: SHN Consulting Engineers and Geologists <br /> Project: 007152 Western Gil&Spreading CASE NARRATWE <br /> Lab Order: 1001411 <br /> TPH as Diesel/Motor Oil: <br /> Samples MW-1,MW-2 and MW-6 contain material in the diesel range of molecular weights,but the — <br /> material does not exhibit the peak pattern typical of diesel oil. <br /> TPH as Diesel or Diesel/Motor Oil passed through a Silica Gel Column: — <br /> All samples for these analyses were initially analyzed for diesel or diesel/motor oil. Samples that did <br /> not show material in the diesel or motor oil range were not passed through the silica gel column. <br /> I <br /> I _ <br /> i <br /> i <br /> I <br /> i <br /> NORTH COAST LABORATORIES <br /> 5680 West End Road•Arcata,California 95521-9202-707-822-4649•FAX 707-822-6831 <br /> ~�Priw d—Recycled Paper <br />