Laserfiche WebLink
i <br /> 1455 McDowell Blvd,North Ste D <br /> Sequoia Petaluma,CA94954 <br /> (707)792-1865 <br /> 1W Analytical FAX <br /> ww. e7.7)792-.342 <br /> wwsequoralabs.com <br /> URS Corp-Sacramento Project:Arco Site 5450,Stockton,CA P503065 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number.WR36604 Reported: <br /> Sacramento CA,95833 Project Manager:Ieff Brooks 03/14/05 18:14 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical -Petaluma <br /> Reporting Spike Source %REC RPD <br /> Malyte Result Limit units level Result %REC limits RPD Limit Notes <br /> Batch 5030114-EPA 5030B waters 1 EPA 8260B <br /> Matrix Spike(5030114-MSI) Source:P503049-01 Prepared&Analyzed:03/10/05 <br /> Tert-amyl methyl ether \ y�S 5.34 1.0 ugA 5.00 ND 107 78-117 <br /> Benzene �1�x 1 1 5.14 0.50 5.00 ND 103 81-118 <br /> Tert-butyl alcohol a \ 100 20 100 ND 100 60-147 <br /> Di-isopropyl ether 5.53 1.0 5.00 ND 111 70-125 <br /> 1,2-Dibromoethane(EDB) 5.29 0.50 5.00 ND 106 85-125 <br /> 1,2-Dichloroethane 5.17 0.50 5.00 ND 103 77-126 <br /> Ethanol 125 1D0 100 ND 125 55-200 <br /> Ethylbenzene 5.09 0.50 5.00 ND 102 89-122 <br /> Ethyl tert-butyl ether 5.45 1.0 5.00 ND 109 71-120 <br /> Methyl tert-butyl ether 5.47 0.50 5.00 ND 109 70-122 <br /> Toluene 5.11 0.50 5.00 ND 102 84-119 <br /> ylenes(total) 15.5 0.50 15.0 ND 103 86-132 <br /> iqWurrogaie:Dibromofluoromethane 5.35 5.00 107 84-111 <br /> Surrogate:l,2-Dichloroethane-d4 5.39 5.00 108 74-135 <br /> Surrogate:Toluene-d8 5.44 5.00 109 84-119 <br /> Surrogate,4-Bromofluorobenzene 5.47 5.00 109 86-119 <br /> Matrix Spike Dup(5030114-MSDI) Source:P503049-01 Prepared&Analyzed:03/10/05 <br /> Tert-amyl methyl ether 5.09 1.0 u9A 5.00 ND 102 78-117 5 20 <br /> Benzene 4.88 0.50 5.00 ND 98 81-118 5 20 <br /> Tert-butyl alcohol 91.0 20 100 ND 91 60-147 9 20 <br /> Di-isopropyl ether 5.40 L0 5.00 ND 108 70-125 2 20 <br /> 1,2-Dibromoethane(EDB) 5.05 0.50 5.00 ND 101 85-125 5 20 <br /> 1,2-Dichloroethane 4.94 0.50 5.00 ND 99 77-126 5 20 <br /> Ethanol 118 100 100 ND 118 55-200 6 20 <br /> Ethylbenzene 4.86 0.50 " 5.00 ND 97 89-122 5 20 <br /> Ethyl tert-butyl ether 5.29 1.0 5.00 ND 106 71-120 3 20 <br /> Methyl tert-butyl ether 5.24 0.50 5.00 ND 105 70-122 4 20 <br /> Toluene 4.81 0.50 5.00 ND 96 84-119 6 20 <br /> Xylenes(total) 15.0 0.50 15.0 ND i00 86-132 3 20 <br /> Surrogate:Drbromofluoromethane 5.35 5.00 107 84-122 <br /> Surrogate: 1,1-Dichloroethane-d4 5.14 5.00 105 74-135 <br /> Surrogate:Toluene-d8 5.37 5.00 107 84-119 <br /> Surrogate:4-Bromofluorobenzene 5.38 5.00 108 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 8 of 9 <br /> I <br />