Laserfiche WebLink
d <br /> a_ _� (707) <br /> 1455 McDowell Blvd North SteSequoia Petaluma,CA 949544�; 792-1865 <br /> Analytical FAX(707)792-0342 <br /> www sequoialabs cam <br /> URS Corp-Sacramento Prosect Arco Site 760,Lodt,CA P407056 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36622 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 07/26/04 11 37 <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 4070285-EPA 5030E waters <br /> Blank(4070285-BLK1) Prepared&Analyzed 07/16/04 <br /> Tert-amyl methyl ether ND 10 ug/l <br /> Benzene ND 050 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 10 " <br /> 1,2-Dibromoethane(EDB) PFD 050 " <br /> 1,2-Dichloroethane ND 050 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 050 " <br /> Ethyl tert-butyl ether ND 10 " <br /> Methyl tert-butyl ether ND 0 50 " <br /> Toluene ND 0 50 " <br /> ,mmiLylenes(total) ND 050 " <br /> rrogate Drbromofluoromethane 5 74 5 00 115 84-122 <br /> Surrogate I 1-Dichloroethane d4 5 56 5 00 111 74-135 <br /> Surrogate Toluene-d8 5 35 500 107 84-119 <br /> Surrogate 4-Bromofluorobenzene 4 81 5 00 96 86-119 <br /> Laboratory Control Sample(4070285-BSI) Prepared&Analyzed 07/16/04 <br /> Tert-amyt methyl ether 474 10 ug/I 500 95 78-117 <br /> Benzene 4 88 050 500 98 81-118 <br /> Tert-butyl alcohol 105 20 100 105 60-147 <br /> Di-isopropyl ether 465 10 5 00 93 70-125 <br /> 1 2-Dibromoethane(EDB) 506 050 500 101 85-125 <br /> 1 2-Dichloroethane 548 050 500 1-1.0 77-126 <br /> Ethanol 208 ]00 100 208 55-200 QCO1 <br /> Ethylbenzene 505 050 500 I01 89-122 <br /> Ethyl tert-butyl ether 455 10 500 91 71-120 <br /> Methyl ten-butyl ether 4 94 050 500 99 70-122 <br /> Toluene 5 15 050 Soo 103 84-119 <br /> Xylenes(total) 14 9 050 150 99 86-132 <br /> Surrogate Dibromofluoromethane 5 79 500 116 84-122 <br /> Surrogate 12-Drchloroethane-d4 5 64 500 113 74-135 <br /> Surrogate Toluene-d8 553 500 111 84-119 <br /> Surrogate 4-Bromofluorobenzene 484 500 97 86-119 <br /> Sequoia Analytical -Petalulna 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 9 of 12 <br />