Laserfiche WebLink
1455 McDowell Blvd,North Ste D <br /> Sequoia Petaluma,CA 94954 <br /> a_ _� <br /> Analytical (707)792-1865 <br /> FAX(709)792-0342 <br /> www sequoialabs com <br /> URS Corp-Sacramento Project Arco Site 2186,Stockton,CA P412405 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number G09JZ-0164 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarih 01/11/05 10 44 <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 RFD Limit Notes <br /> Batch 5010028-EPA 5030B waters/EPA 8260B <br /> Laboratory Control Sample Dup(5010028-BSDI) Prepared&Analyzed 01/04/05 <br /> Tert-amyl methyl ether 549 10 ug/l 500 110 78-117 7 20 <br /> Benzene 478 0 50 500 96 81-118 9 20 <br /> Tert-butyl alcohol 873 20 " 100 87 60-147 16 20 <br /> Di-isopropyl ether 526 10 Soo 105 70-125 8 20 <br /> 1 2-Dibromoethane(EDB) 503 050 500 101 85-125 9 20 <br /> 1,2-Dichloroethane 564 0 50 500 113 77-126 8 20 <br /> Ethanol 894 100 100 89 55-200 15 20 <br /> Ethylbenzene 4 59 050 500 92 89-122 12 20 <br /> Ethyl tert-butyl ether 5 12 10 500 102 71-120 6 20 <br /> Methyl tert-butyl ether 537 050 500 107 70-122 8 20 <br /> Toluene 469 050 500 94 84-119 10 20 <br /> ylenes(total) 142 050 15 0 95 86-132 11 20 <br /> urrogate Dibromofluoromelhane 491 500 98 84-122 <br /> Surrogate 1 2-Dichloroethane-d4 563 500 113 74-135 <br /> Surrogate Toluene-d8 505 500 101 84-119 <br /> Surrogate 4-Bromofluorobenzene 501 500 100 86-119 <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 17 of 18 <br />