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Trace Anaivsiti Laboratory, Inc- Telephone (45) 783-6960 <br /> 3423 Investment 5eule,rard. 48 Hayward, California 94545 Facsimile (4t5) 783-1512' <br /> Na. 9147 <br /> _ LOG : <br /> DATE SAMPLED: 9/26/90 <br /> DATE RECEIVED: 9/27/90 <br /> DATE EXTRACTED: 9/28/90 <br /> DATE ANALYZED: 10/01/90 and 1.0/02/90 <br /> GATE REPORTED: 10/04/90 <br /> CUSTOMER: Earth Systems Environmental , ?nc. <br /> REQUESTER: Wayne S.. Smith <br /> PROJECT: No. ES-04297-SNI, Stockton Wrecking Yard, (Sam Cloud) <br /> Sample Tae: Soil <br /> 1-1 _ 2-1 3-1 <br /> Method and Concen- Detection Concen- Detection Concen- Oetection <br /> Consti uent: Units tration Limit trat Ln _Limit tra� _ Limit <br /> EPA Method 7130: <br /> Cadmium ug/kg 1,500 700 < 700 700 < 700 700 <br /> EPA Method 7190: <br /> Chromium ug/kg 52,000 6,000 54,000 6,000 14,000 5,000 <br /> EPA Method 7420: <br /> Lead ug/kg 150,000 3,000 240,000 3,000 13,000 3,000 <br /> EPA Method 7520: <br /> Nickel ug/kg 29,000 3,000 27,000 3,004 6,200 3,000 <br /> r,unrl+ng Member of rhe Association of Calrrorrrra res:rng Laboratories <br />