Laserfiche WebLink
1455 McDowell Blvd North Ste <br /> Sequoia Petaluma,CA 949544 <br /> (707)792 1865 <br /> Analytical FAX(707)792-0342 <br /> www sequoialabs com <br /> URS Corp-Sacramento Project Arco Site 2168,Stockton,CA P311134 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36590 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 11/18/03 18 08 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical - Petaluma <br /> Reporting Spike Source %REC RPD <br /> Analyte Result l.imtt Units Level Result %REC Limits RPD Lunit Notes <br /> Batch 3120305-EPA 5030 waters <br /> Blank(3110305-BLKl) Prepared&Analyzed 11/13/03 <br /> Teri-amyl methyl ether ND 1 0 lig/] <br /> Benzene ND 0 50 " <br /> Terl-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1 0 <br /> 1,2-Dtbromoethane(EDB) ND 0 50 " <br /> 1,2-Dtchloroethane ND 050 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 050 " <br /> Ethyl tent-butyl ether ND 10 " <br /> Methyl tort butyl ether ND 050 <br /> Toluene ND 050 " <br /> Xylenes(total) ND 050 " <br /> W---9-,. <br /> Dibromofluoromethane 4 77 450 106 84-122 <br /> Surrogate 12-Dtchloroethane-d4 442 " 450 98 74-135 <br /> Surrogate Toluene-d8 505 " 450 112 84-119 <br /> Surrogate 4-Bromofluorobenzene 505 " 450 112 86-119 <br /> Laboratory Control Sample(3110305-BSI) Prepared&Analyzed 11/]3/03 <br /> Tert-amyl methyl ether 471 10 ug/1 500 94 70-116 <br /> Benzene 500 050 " 500 100 81-118 <br /> Tert-butyl alcohol 97 9 20 " 100 98 62-142 <br /> Dt-isopropyl ether 4 47 10 1 500 89 71-121 <br /> 1,2-Dtbromoethane(EDB) 5 13 0 50 " 500 103 92-117 <br /> 1,2-Dtchloroethane 4 61 050 " 5 00 92 79-126 <br /> Ethanol 137 100 11 100 137 65-135 Q-29 <br /> Ethylbenzene 524 050 500 105 89-122 <br /> Ethyl terl-butyl ether 4 48 10 500 90 71-110 <br /> Methyl tert-butyl ether 451 050 500 90 77-123 <br /> Toluene 5 16 050 500 103 84-119 <br /> Xylenes(total) 160 050 150 107 86-132 <br /> Surrogate Dibromofluoromethane 479 450 106 84-112 <br /> Surrogate 12 Dichloroethane-d4 434 450 96 74-135 <br /> Surrogate Toluene-d8 512 450 114 84-119 <br /> Surrogate 4-Bromofluorobenzene 522 4 50 116 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 /> 40 This analytical report must be reproduced in its entirety <br /> Page 13 of 17 <br />