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TestAmedca <br /> THE LEADER IN EN V IR O NSA ENTAL TESTING 17461 Derian Avenue.Suite 100, Irvine,CA 92614(949)261-1022 Fax:(949)260-3297 <br /> Arcadis-Folsom Project ID: Storrie Derailment <br /> 950 Glenn Drive,Suite 125 Sampled: 01/17/11 <br /> Folsom,CA 95630 ReportNumber: IUA1672 Received: 01/19/11 <br /> Attention: Danielle Catlin-Wright <br /> METHOD BLANK/QC DATA <br /> VOLATILE ORGANICS with OXYGENATES by GC/MS (EPA 8260B) <br /> Reporting Spike Source %REC RPD Data <br /> Analyte Result Limit MDL Units Level Result %REC Limits RPD Limit Qualifiers <br /> Batch: IIA3022 Extracted: 01/27/11 <br /> Matrix Spike Dup Analyzed:01/27/2011(11A3022-MSD1) Source:IUA1672-05 <br /> Methyl-tert-butyl Ether(MTBE) 24.2 1.0 0.32 ug/l 25.0 ND 97 55-145 3 25 <br /> tert-Amyl Methyl Ether(TAME) 26.2 1.0 0.33 ug/1 25.0 ND 105 60-140 5 30 <br /> tert-Butanol(TBA) 142 10 6.5 ug/l 125 ND 114 65-140 2 25 <br /> Ethanol 169 100 100 ug/l 250 ND 68 40-155 8 30 <br /> Surrogate:4-Bromofluorobenzene 25.0 ug/1 25.0 100 80-120 <br /> Surrogate:Dibromofluoromethane 26.7 ug/1 25.0 107 80-120 <br /> Surrogate:Toluene-d8 25.8 ug/1 25.0 103 80-120 <br /> Batch: IIA3164 Extracted: 01/28/11 <br /> Blank Analyzed:01/28/2011(11A3164-BLKI) <br /> Acetone ND 10 4.5 ug/l <br /> Benzene ND 0.50 0.15 ug/l <br /> Bromobenzene ND 1.0 0.27 ug/l <br /> Bromochloromethane ND 1.0 0.40 ug/l <br /> Bromodichloromethane ND 1.0 0.30 ug/l <br /> Bromofonn ND 1.0 0.40 ug/l <br /> Bromomethane ND 1.0 0.42 ug/l <br /> 2-Butanone(MEK) ND 10 4.7 ug/l <br /> n-Butylbenzene ND 1.0 0.37 ug/l <br /> sec-Butylbenzene ND 1.0 0.25 ug/l <br /> tert-Butylbenzene ND 1.0 0.22 ug/l <br /> Carbon Disulfide ND 5.0 0.48 ug/l <br /> Carbon tetrachloride ND 0.50 0.28 ug/l <br /> Chlorobenzene ND 1.0 0.36 ug/l <br /> Chloroethane ND 1.0 0.40 ug/l <br /> Chlorofonn ND 1.0 0.33 ug/l <br /> Chloromethane ND 1.0 0.40 ug/l <br /> 2-Chlorotoluene ND 1.0 0.28 ug/l <br /> 4-Chlorotoluene ND 1.0 0.29 ug/l <br /> 1,2-Dibromo-3-chloropropane ND 5.0 0.97 ug/l <br /> Dibromochloromethane ND 1.0 0.40 ug/l <br /> 1,2-Dibromoethane(EDB) ND 1.0 0.40 ug/l <br /> Dibromomethane ND 1.0 0.36 ug/l <br /> 1,2-Dichlorobenzene ND 1.0 0.32 ug/l <br /> 1,3-Dichlorobenzene ND 1.0 0.35 ug/l <br /> TestAmerica Irvine <br /> Heather Clark <br /> Project Manager <br /> The results pertain only to the samples tested in the laboratory. This report shall not be reproduced, <br /> except in full,without written permission from TestAmerica. IUA1672 <Page 85 of 112> <br />