Laserfiche WebLink
x a f <br /> ' Sequoia1455 McDowell Blvd,NorthiSte D <br /> tPetaluma,CA 94954 <br /> t .naNtica (707)792-1865 ) <br /> i FAX(707)792-0342 <br /> 1 www.sequoialabs.com <br /> - f <br /> E <br /> URS Corp-Sacramento Project: Arco Site 6100,Tracy,CA P309366 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number: WR36619 Reported: <br /> Sacramento CA,95833 Project Manager: Jay Johnson 10/06/03 18:00 1 <br /> Volatile Organic Compounds by EPA Method 826013.-Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %REC RPD I <br /> i <br /> Analyte ResuIi Limit Units Level Result %RFC Limits RPD Limit NotesR <br /> Batch 3 1 110069-EPA 5030 waters <br /> s <br /> Laboratoa Control Sample Dup(3100069-BSD1) Prepared&Anal zed: 10/03/03 t <br /> Tert-amyl methyl ether 4.63 i 1.0 ug/l 5.00 93 70-116 1 20 <br /> Benzene 5.45 0.50 5.00 109 81-118 3 20 <br /> Tert-butyl alcohol 131 20 100 131 62-142 18 20 <br /> 1 1 <br /> - Di-isopropyl ether 8.10 t� 1.0 5.00 102 71-121 3 20 <br /> 1,2-Dibtomoethane(EDB) 4.65 0,50 5,00 93 92-117 ] i 20 <br /> i 1,2-Dichloroethane 4.67 0.50 5.00 93 79-126 7 20 <br /> Ethanol 272 :1D0 100 172 65-135 76 20 Q-29 I <br /> Ethylbenzene 5.07 0.50 5.00 LO1 89-122 4 20 <br />` = t <br /> Ethyl tort-butyl ether 5.03 1.0 5.00 101 71-110 0.6 i 20 <br /> n <br /> Methyl fert-butyl ether 5.07 0.50 5,00 101 77-123 3 20 } <br /> Toluene 5.59 0.50 5A0 112 84-119 0.4 20 € I <br /> Xylenes(total) 15.3 0.50 15.0 . 102 86-132 1 20 <br /> Surrogate:Dibromofluoromethane 5.93 6.00 99 84-122 <br /> j <br /> Surrogate: 1,2-Dichloroethane-d4 4.94ii <br /> 6.00 82 74-135 <br /> Surrogate: Toluene-d8 6.30 6,00 105 84-119 <br /> Starrngate:4-BromoJluorobenzene 5.82 h.00 97 86-119 <br /> F <br /> �j <br /> 's <br /> - '- ',i - <br /> :F <br /> a <br /> `l ^� <br /> p r <br /> Fd <br /> Sequoia Analytical-Petaluma The restdte in this report apply to the samples analvzed in accordance with the chain <br /> of custody document. Unless otherwise stated,results are reported on a wet weight <br /> basis. This analytical report muv he reproduced in its entirety. �k <br /> .. 11 <br /> Page 8 of 9 <br /> F <br /> k <br />