Laserfiche WebLink
Sequoia 1455 McDowell Blvd,North Ste D <br /> Petaluma,CA 94954 <br /> Analytical (707)792-1865 <br /> FAX(707)792-0342 <br /> Y www.sequoialabs.com <br /> URS Corp-Sacramento Project: Arco Site 5469,Stockton,CA P406178 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number: WR36605 Reported: <br /> Sacramento CA,95833 Project Manager: Jay Johnson 06/30/04 13:08 <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 4060379-EPA 5030B waters <br /> Matrix Spike 4060379-MS1 Source:P406178-05 Prepared&Anal zed:06/16/04 <br /> Tert-amyl methyl ether 134 25 ug/l 125 ND 107 78-117 <br /> Benzene 134 12 125 ND 107 81-118 <br /> Tert-butyl alcohol 2550 500 2500 ND 102 60-147 <br /> Di-isopropyl ether 137 25 125 ND 110 70-125 <br /> 1,2-Dibromoethane(EDB) 140 12 125 ND 112 85-125 <br /> 1,2-Dichloroethane 139 12 125 ND Ill 77-126 <br /> Ethanol 3220 2500 2500 ND 129 55-200 <br /> Ethylbenzene 135 12 125 ND 108 89-122 <br /> Ethyl tert-butyl ether 130 25 125 ND 104 71-120 <br /> Methyl tert-butyl ether 628 12 125 490 110 70-122 <br /> Toluene 130 12 125 ND 104 84-119 <br /> ylenes(total) 416 12 375 ND Ill 86-132 <br /> rrogate:Dibromofluoromethane 5.47 5.00 109 84-122 <br /> Surrogate:l,2-Dichloroethane-d4 5.57 5.00 111 74-135 <br /> Surrogate: Toluene-d8 5.68 5.00 114 84-119 <br /> Surrogate:4-Bromofluorobenzene 5.18 5.00 104 86-119 <br /> Matrix Spike Du 4060379-MSD] Source:P406178-05 Prepared&Analyzed:06/16/04 <br /> Tert-amyl methyl ether 132 25 ugA 125 ND 106 78-117 2 20 <br /> Benzene 131 12 125 ND 105 81.118 2 20 <br /> Tert-butyl alcohol 2630 500 2500 ND 105 60-147 3 20 <br /> Di-isopropyl ether 134 25 125 ND 107 70-125 2 20 <br /> 1,2-Dibromoethane(EDB) 136 12 125 ND 109 85-125 3 20 <br /> 1,2-Dichloroethane 134 12 125 ND 107 77-126 4 20 <br /> Ethanol 3220 2500 2500 ND 129 55-200 0 20 <br /> Ethylbenzene 130 12 125 ND 104 89-122 4 20 <br /> Ethyl tert-butyl ether 129 25 125 ND 103 71-120 0.8 20 <br /> Methyl tert-butyl ether 622 12 125 490 106 70-122 1 20 <br /> Toluene 126 12 125 ND lot 84-119 3 20 <br /> Xylenes(total) 402 12 375 ND 107 86-132 3 20 <br /> Surrogate:Dibromofl'uoromethane 5.56 5.00 111 84-122 <br /> Surrogate: l,2-Dichloroethane-d4 5.50 5.00 110 74-135 <br /> Surrogate: Toluene-d8 5.72 5.00 114 84-119 j <br /> Surrogate:4-Bromofluorobenzene 5.30 5.00 106 86-119 a <br /> j <br /> i <br /> Sequoia Analytical-Petaluma � <br /> rt Yt The results in this report apply to the samples analyzed in accordance with the <br /> chain of custody document. Unless otherwise stated,results are reported on a wet <br /> weight basis. This analytical report must be reproduced in its entirety. <br /> Page 22 of 37 <br /> i <br /> f <br /> i <br />