Laserfiche WebLink
1455 McDowell Blvd,North Ste D <br /> Sequoia Petaluma,CA 94954 <br /> I�i)- (707)792-1865 <br /> Analytical FAX(707)792-0342 <br /> • wwwsequoialabs.com <br /> URS Corp-Sacramento Project: Arco Site 5469,Stockton,CA P312283 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number: WR36605 Reported: <br /> Sacramento CA,95833 Project Manager: Jay Johnson 01/12/04 18:12 <br /> Volatile Organic Compounds by EPA Method 8260B -Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %nREC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 4010084-EPA 5030B waters <br /> Laboratory Control Sample(4010084-BSI) Fregared&Analyzed:01/07/04 <br /> Surrogate:Dibromofluorom ethane 6.37 ug/l 6.00 106 84-122 <br /> Surrogate: l,2-Dichloroethane-d4 6.16 6.00 103 74-135 <br /> Surrogate: Toluene-0 6.12 6.00 102 84-119 <br /> Surrogate:4-Bromofluorobenzene 6.32 6.00 105 86-119 <br /> Laboratory Control Sample Dup(4010084-BSD1) Prepared&Amzed:01/07/04 <br /> Tert-amyl methyl ether 5.32 1.0 ugll 5.00 106 78-117 5 20 <br /> Benzene 5.26 0.50 5.00 105 81-118 0.8 20 <br /> Tert-butyl alcohol 115 20 100 H5 60-147 4 20 <br /> Di-isopropyl ether 5.47 1.0 5.00 109 70-125 0.4 20 <br /> 1,2-Dibromoethane(EDB) 5.24 0.50 5.00 105 85-125 0 20 <br /> 1,2-Dichloroethane 5.47 0.50 5.00 109 77-126 0.9 20 <br /> 0thanol 93.1 100 i; 100 93 55-200 55 20 QR-07 <br /> thylbenzene 5.48 0.50 5.00 110 89-122 3 20 <br /> Ethyl tert-butyl ether 5.19 1.0 5.00 104 71.120 3 20 <br /> Methyl tert-butyl ether 5.33 0.50 5.00 107 70.122 0.2 20 <br /> Toluene 5.28 0.50 5.00 106 84-119 5 20 <br /> Xylenes(total) 16.5 0.50 15.0 110 86-132 2 20 <br /> Surrogate:Dibromofluoromethane 6.25 6.00 104 84-122 <br /> Surrogate: 1,2-Dichloroethane-d4 6.20 6.00 103 74-135 <br /> Surrogate: Toluene-d8 6.02 6.00 100 84-119 <br /> Surrogate:4-Bromofluorobenzene 6.03 6.00 100 86-119 <br /> Batch 4010112-EPA 5030E waters <br /> Blank(4010112-BLKI) Prepared_&Analyzed:01/08/04 - <br /> Tert-amyl methyl ether ND 1.0 ug/1 <br /> Benzene ND 0.50 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1.0 " <br /> 1,2-Dibromoethane(EDB) ND 0.50 " <br /> 1,2-Dichloroethane ND 0.50 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 0.50 " <br /> Ethyl tert-butyl ether ND 1.0 " <br /> Methyl tent-butyl ether ND 0.50 " <br /> Toluene ND 0.50 " <br /> Sequoia Analytical-Petaluma The results in this reporl apply to the samples analyzed in accordance with the chain <br /> . of custody document. Unless otherwise stated,results are reported on a wel weight <br /> basis. This analytical report must be reproduced in its entirety. <br /> Page 33 of 40 <br />