Laserfiche WebLink
1455 McDowell Blvd,North Ste D <br /> Sequoia Petaluma,CA 91954 <br /> (707)792-1865 <br /> Analytical <br /> FAX(707)792 0342 <br /> www sequoialabs con' <br /> URS Corp-Sacramento Project Arco Site 6020,Manteca,CA P307344 <br /> 2870 Gateway Oaks Dnve Suite 300 Project Number WR36616 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 07/28/03 16 58 <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Sequoia Analyhcal-Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3070531-EPA 5030 soils <br /> Blank 3070531-BLKI Pre ared&Analyzed 07/24/03 <br /> Tert-amyl methyl ether ND 00050 mg/kg <br /> Benzene ND 0 0050 " <br /> Tert-butyl alcohol ND 0 10 <br /> Di-isopropyl ether ND 00050 " <br /> 1,2-Dibromocthane(EDB) ND 0 0050 <br /> 1,2-Dichloroethane ND 0 0050 <br /> Ethanol ND 020 " <br /> Ethylbenzene ND 00050 " <br /> Ethyl tert-butyl ether ND 0 0050 " <br /> Methyl tert-butyl ether ND 0 0050 " <br /> Toluene ND 0 0050IlIgm " <br /> ylenes(total) ND 00050 " <br /> arrogate Dibromofluorom ethane 00422 " 00450 94 81-126 <br /> Surrogate 12-Dichloroethane-d4 00422 00450 94 73-131 <br /> Surrogate Taluene48 0 0441 00450 98 82-129 <br /> Laboratory Control Sample(3070531-BSI) Prepared&Analyzed 07/24/03 <br /> Benzene 0 0440 0 0050 mg/kg 00500 88 75-123 <br /> Methyl tert-butyl ether 0 0487 0 0050 00500 97 78-125 <br /> Toluene 00432 0 0050 00500 86 76-123 <br /> Surrogate Dibromofluoromethane 00423 00450 94 81-126 <br /> Surrogate 1 2-Dichloroethane-d4 00417 00450 93 73-131 <br /> Surrogate Toluene-d8 00444 00450 99 82-129 <br /> Matrix Spike 3070531-MS1) Source P307295-01 Prepared&Analyzed 07/2410.3_ <br /> Benzene 0 0432 0 0050 mg/kg 00500 ND 86 75-123 <br /> Methyl tert-butyl ether 0 0464 0 0050 00500 ND 93 78-125 <br /> Toluene 0 0410 0 0050 00500 00025 77 76-123 <br /> Surrogate Dibromofluorom ethane 00437 00450 97 81-126 <br /> Surrogate 12-Dichloroethane-d4 00423 " 00450 94 73-131 <br /> Surrogate Toluene-d8 00454 00450 101 82-129 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> • of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirety <br /> Page 11 of 14 <br />