Laserfiche WebLink
1455 McDowell Blvd,Nonh Ste D <br /> a— ) Sequoia Petaluma,CA 94954 <br /> (707)792-1865 <br /> Analytical FAX(707)792-0342 <br /> www sequoialabs com <br /> URS Corp-Sacramento Project Arco Site 2130,Stockton,CA P309471 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number Intrim-50293 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 10/16/03 11 59 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Lmmt Notes <br /> Batch 3100108-EPA 5030 waters <br /> Blank(3100108-BLK1) Prepared&Analyzed 10/06/03 <br /> Tert-amyl methyl ether ND 10 ugn <br /> Benzene ND 050 " <br /> Tert-butyl alcohol ND 20 " <br /> Di isopropyl ether ND 10 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 050 " <br /> Ethyl tent-butyl ether ND 10 " <br /> Methyl tert-butyl ether ND 050 " <br /> Toluene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Surrogate Dibromofluoromethane 508 Soo 101 84-122 <br /> Surrogate 12 Dichloroethane-d4 565 300 113 74-135 <br /> 0--og.le Toluene-d8 446 500 89 84419 <br /> Laboratory Control Sample(3100108-BSI) Prepared&Analyzed 10/06/03 <br /> Tert-amyl methyl ether 5 19 10 ug/1 500 104 70-116 <br /> Benzene 498 050 5 00 100 81-118 <br /> Tert-butyl alcohol 119 20 100 119 62-142 <br /> Di-isopropyl ether 4 84 10 500 97 71-121 <br /> Ethanol 152 100 100 152 65-135 Q-29 <br /> Ethylbenzene 5 13 050 500 103 89-122 <br /> Ethyl tert-butyl ether 486 10 500 97 71-110 <br /> Methyl tert-butyl ether 470 050 500 94 77-123 <br /> Toluene 547 050 500 109 84-119 <br /> Xylenes(total) 158 050 150 105 86-132 <br /> Surrogate Dibromofluoromethane 506 500 101 84-122 <br /> Surrogate 11-Dichloroethane-d4 522 500 104 74-735 <br /> Surrogate Toluene-d8 498 500 100 84-119 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 23 of 30 <br />