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®� laboratories <br /> Ground Zero Analysis,Inc. Project Number: 848 <br /> 1714 Main Street Project Name: Spreckels Sugar Work Order No.: <br /> Escalon,CA 95320 Project Manager: Eric Price L102016 <br /> BTEX EPA Method 8021B-Quality Control I` <br /> Argon Laboratories <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD .Limit Notes <br /> Batch L100199-EPA 5030B <br /> Blank(1,100199-111,1(l) Prepared&Analyzed:02/07/11 <br /> Surrogate:a,a,a-Triuorotoluene 0.0530 mg/kg 0.050 106 70-130 } <br /> Benzene ND 0.005 " <br /> Toluene ND 0.005 " <br /> Xylenes(total) ND 0.010 " <br /> Ethylbenzene ND 0.005 <br /> LCS(1,100199-BSI) Prepared&Analyzed:02/07/11 <br /> Toluene 0.021 mg/kg 0.025 84 80-120 <br /> LCS Dup(L100199-BSDI) - Prepared&Analyzed:02/07/11 <br /> Toluene 0.022 mg/kg 0.025 88 80-120 5 20 <br /> f <br /> i <br /> I <br /> Ap oved By - <br /> Arg n Laboratories,Inc. California D.O.H.S.Cert.#2359 <br /> 2905 Railroad Avenue, Ceres,to 95307 • Phone (209) 581-9280 • fox (209) 581-9282 <br /> email: main@orgonlbbs.com Page 6 of <br /> _ 7 <br />