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laboratories <br /> Ground Zero Analysis,Inc. Project Number: 781 <br /> 1714 Main Street Project Name: West Coast Tomato Work Order No.: <br /> Escalon,CA 95320 Project Manager: Eric Price L105018 <br /> TPH-gas/BTX&E EPA Method 8015M/8021B-Quality Control <br /> Argon Laboratories <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch L100790-EPA 5030B <br /> Blank(L100790-BLK1) Prepared&Analyzed:05/13/11 <br /> Surrogate:a,a,a-Tris luorotoluene 0.0485 mg/kg 0.050 97 70-130 <br /> Total Petroleum Hydrocarbons @ Gasoline ND 1.0 " <br /> Benzene ND 0.005 " <br /> Toluene ND 0.005 " <br /> Xylenes(total) ND 0.010 " <br /> Ethylbenzene ND 0.005 " <br /> LCS(L100790-BS1) Prepared&Analyzed:05/13/11 <br /> Total Petroleum Hydrocarbons @ Gasoline 1.14 mg/kg 1.0 114 80-120 <br /> LCS Dup(L100790-BSDl) Prepared&Analyzed:05/13/11 <br /> Total Petroleum Hydrocarbons @ Gasoline 1.16 mg/kg 1.0 116 80-120 1 20 <br /> App oved By <br /> Argi in Laboratories,Inc. California D.O.H.S.Cert.#2359 <br /> 2905 Railroad Avenue, Ceres, CA 95307 • Phone (209) 581-9280 , Fax (209) 581-9282 <br /> email: main@argonlabs.com Page 7 of 8 <br />