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(DA7r;�Vfyticl Laboratory CERTIFICATE OFANALYSIS <br /> Monday,December 14,2015 <br /> Attention: William Little <br /> Advanced GeoEnvironmental, Inc. Report Page 27 of 28 <br /> 837 Shaw Road <br /> Stockton, CA 95215 <br /> Total Petroleum Hydrocarbons-Gasoline-Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AL50226-Volatiles <br /> Bla n k(A L50226-III.K 1) Prepared&Analyzed:02-Dec-15 <br /> TPH-Gasoline ND 0.500 mg/kg <br /> Surrogate:4-Bromofluorobenzene 0.0398 0.0400 100 75-115 <br /> LCS(AL50226-BS2) Prepared&Analyzed:02-Dec-15 <br /> TPH-Gasoline 5.88 0.500 mg/kg 6.00 98 75-125 <br /> Surrogate:4-Bromofluorobenzene 0.0401 0.0400 100 75-125 <br /> Matrix Spike(AL50226-MS2) Source:5120227-03 Prepared&Analyzed:02-Dec-15 <br /> TPH-Gasoline 5.23 0.500 mg/kg 6.00 ND 87 75-125 <br /> Surrogate:4-Bromofluorobenzene 0.0402 0.0400 100 75-125 <br /> Matrix Spike Dup(AL50226-MSD2) Source:5120227-03 Prepared&Analyzed:02-Dec-15 <br /> TPH-Gasoline 5.54 0.500 mg/kg 6.00 ND 92 75-125 6 20 <br /> Surrogate:4-Bromofluorobenzene 0.0368 110.0400 92 75-125 <br /> mg,L=milligrams per Liter=ppm DLR=Detection Limit for Repose of Reporting. <br /> ug/L=micrograms per Liter=ppb Grceptional sample matrices or interferences may <br /> result in higher detection limits. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 3935 N. Coronado Ave Stockton CA. 95204 phone: (209) 477-8105 Fax: (209) 546-7497 <br />