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1 <br /> 2905 Railroad Ave. Ceres,CA 95307 (209)581-9280 Fax(209)581-9282 <br /> ' GeoPhase Environmental,Inc. Project Number: 639.2 `- <br /> 2937 Veneman Ave.,Suite B240 Project Name: Sola Work Order No.: <br /> Modesto,CA 95356 Project Manager: Steve Lankford L106008 <br /> TPH-gas/BTEX/MTBE EPA Method 8015M/8021B-Quality Control <br /> Argon Laboratories <br /> 1 Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> I Batch L 100933-EPA 5030B <br /> Blank(L100933-BLKI) Prepared&Analyzed:06/07/11 <br /> Surrogate:a,a,a-7ri/luorotoluene 0.0500 mg kg 0.050 100 70-130 <br /> Total Petroleum Hydrocarbons @ Gasoline ND 1.0 '1 <br /> Benzene ND 0.005 <br /> Toluene ND 0.005 " <br /> ' Xylenes(total) ND 0.010 <br /> Ethylbenzene ND 0.005 <br /> Methyl-t-butyl ether ND 0.050 <br /> ' LCS(L100933-BSI) Prepared&Analyzed:06/07/11 <br /> Total Petroleum Hydrocarbons @ Gasoline 1.11 mg/kg 1.0 111 80-120 <br /> LCS Dup(L100933-BSD1) Prepared&Analyzed:06/07/11 <br /> Total Petroleum Hydrocarbons @ Gasoline 1.12 mg/kg 1.0 112 80-120 1 20 <br /> Matrix Spike(LI00933-MSI) Source:L106008-03 Prepared&Analyzed:06/07/11 <br /> Benzene 0.023 mg/kg 0.025 ND 90 70-130 <br /> ' Matrix Spike Dup(1,100933-MSD1) Source:L106008-03 Prepared&Analyzed:06/07/11 <br /> Benzene 0.022 mg/kg 0.025 ND 88 70-130 3 20 <br /> 1 <br /> r <br /> Approved By <br /> Argon Laboratories,Inc. California D.O.H.S.Cert.42359 <br /> 1 <br /> Page 5 of 6 <br /> r <br />