Laserfiche WebLink
• 1455 McDowell Blvd North Ste D <br /> Sequoia Petaluma CA 94954 <br /> (707)792-1865 <br /> Analytical FAX(707)792 0342 <br /> www sequoialahs com <br /> URS Corp-Sacramento Project Arco Site 6100,Tracy,CA P402493 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36619 Reported <br /> Sacramento CA,95833 Project Manager Jay Johnson 03/17/04 15 30 <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 Limit Notes <br /> Batch 4020565-EPA 5030 soils <br /> Blank 4020565-BLKl Prepared&Analyzed 02/25/04 <br /> Tert-amyl methyl ether ND 00050 mg/kg <br /> Benzene ND 00050 " <br /> Tert-butyl alcohol ND 0 10 " <br /> Di-isopropyl ether ND 0 0050 " <br /> 1,2-Dibromoethane(EDB) ND 00050 " <br /> 1,2-Dichloroethane ND 00050 <br /> Ethanol ND 020 " <br /> Ethylbenzene ND 00050 " <br /> Ethyl tent-butyl ether ND 00050 " <br /> Methyl tert-butyl ether ND 00050 " <br /> Toluene ND 00050 " <br /> Xylenes(total) ND 00050 " <br /> ogate Dibromofluoromethane 00419 00380 110 81-126 <br /> Surrogate 12-Dichloroethane-d4 00406 00380 107 73-131 <br /> Surrogate Toluene-d8 00380 00380 100 82-129 <br /> Laboratory Control Sample(4020565-BSI) Prepared&Analyzed 02/25/04 <br /> Tert-amyl methyl ether 0 0571 00050 mg/kg 00500 114 74-126 <br /> Benzene 0 0578 00050 00500 116 75-123 <br /> Tert-butyl alcohol 0 926 0 10 l 00 93 66-129 <br /> Di-isopropyl ether 00622 00050 00500 124 71-127 <br /> 1,2-Dibromoethane(EDB) 0 0522 00050 0 0500 104 88-118 <br /> 1,2-Dichloroethane 0 0543 00050 0 0500 109 79-119 <br /> Ethanol 0 757 0 20 1 00 76 70-140 <br /> Ethylbenzene 0 0583 00050 00500 117 65-135 <br /> Ethyl tert-butyl ether 0 0559 00050 0 0500 112 72-123 <br /> Methyl tert-butyl ether 0 0603 00050 0 0500 121 70-125 <br /> Toluene 0 0497 00050 00500 99 76-123 <br /> Surrogate Dibromofluoromethane 00406 00380 107 81-126 <br /> Surrogate 1 2-Dichloroethane-d4 00385 00380 101 73-131 <br /> Surrogate Toluene-d8 00380 00380 100 82-129 <br /> nota 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 14 of 25 <br />