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i <br /> laboratories <br /> 4Californta Geophysical Group ::: Project Number 749 E Charter Way,Stockton,CA <br /> P O Box 578341 Project Name Beneto,Inc #8 Work Order No <br /> Modesto CA 95357 Project Manager John Cussen G604043 <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 GPDO188 - EPA 5030B <br /> Blank(GPD0188-BLK1) Prepared&_Analyzed 21-Apr-06 _ <br /> Surrogate a a a-Trifluorotoluene _ 4750 U91L _ 5000 95 70-130 <br />' Total Petroleum Hydrocarbons r@t Gasoline ND 50 " <br /> Benzene ND 05 " <br /> Toluene ND 05 " <br /> 1 Xylenes(total) ND 10 <br /> Ethylbenzene ND 05 <br /> LCS(GPD0188-BSI) _ _ _ Prepared&' Analyzed 21-Apr-06 Surrogate a a a Trruorotoluene 51 06 U91L 5000 _ 102 70-130 <br /> Total Petroleum Hydrocarbons @ Gasoline 2016 50 112000 101 80-120 <br />' Matrix Spike(GPD0188-MSI) Source G604043-14 Prepared&Analyzed 21-Apr_06 _�— <br /> Surrogate a a a-Triuorotoluene 5006 U91L 5000 100 70-130 <br /> Ethylbenzene 4813 05 5000 ND 96 70-130 <br />' tnx Spike Dup(GPD0188-MSD1) _- Source G604043-14 Prepared&Analyzed 21-Apr-06 <br /> rrogate a a a Tr�uorotoluene 4955 ug/L 5000 - 99 70-130 <br /> Ethylbenzene 4975 05 5000 ND 100 70-130 3 20 <br />' Batch GPD0190- EPA 5030B <br /> Blank(GPD0190-BLK1) _ Prepared_&_Analyzed_ 21-Apr-06 _ <br /> Surrogate a a a Triuorotoluene 4750 m ug/L 5000 _ 95 70-130 <br /> Total Petroleum Hydrocarbons @ Gasoline ND 50 <br /> Benzene ND 05 " <br /> Toluene ND 05 " <br /> Xylenes(total) ND 10 <br /> Etlnlbenzene ND 05 <br /> LCS(GPDD190-851) _ - _ _ -_�___-- -— __Prepared&Analyzed 2I-Apr-06— <br /> Surrogate a a a-Triuorotoluene 5011 U91L 5000 100 70-130 <br /> Benzene 5027 05 " 5000 101 80-120 <br /> Matrix Spike(GPD0190-MSI) Source G60404311 Prepared&Analyzed 21-Apr-06 <br /> Surrogate a a a-Tr{/luorotoluene _ 5010 ug/L 5000 _ 100 70-130 <br /> Total Petroleum Hydrocarbons @ Gasoline 1828 50 2000 ND 91 70-130 <br />' Matrix Spike Dup(GPD0190-MSD1) _ _Source G604043-11 _ Prepared&Analyzed 21-Apr-06 <br /> Surrogate a a a-Tr!fluorotoluene 4944 U91L 5000 99 70-130 <br /> Approved By <br /> �gon Laboratories,Inc California D Q H S Cert 42359 <br /> 2905 Rodrood Avenue, Ceres, CA 95307 • Phone (209) 581 -9280 • Fox (209) 581 -9282 <br /> Page 12 of 14 <br /> ewl& InFoQorgonlobs corp <br />