Laserfiche WebLink
1 <br /> 1 . 1455 McDowell al <br /> SequoiaPetalumaCA 9495Sequoia (707)7921865 <br /> iAnalytical FAX 792 0342wwwww sequoiequoialabs com <br /> URS Corp-Sacramento Project Arco Site 760,Lodi,CA P412284 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36622 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 01/13/05 08 48 <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 4120505-EPA 50308 waters/EPA 8260B <br /> Blank(4120505-BLKI) Prepared&Analyzed 12/27/04 <br /> Tert amyl methyl ether ND 10 ugll <br /> Benzene ND 050 <br /> Tert-butyl alcohol ND 20 <br /> Di-isopropyl ether ND 1 0 " <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 /> Xylenes(total) ND 0 50 " <br /> fturrogate Dibromafluarnmethane 4 90 'I 5 00 98 84-122 <br /> urrogate 12-Dichloroethane-d4 499 500 100 74-135 <br /> Surrogate Toluene-d8 519 5 00 106 84-119 <br /> Surrogate 4-Bromofluorobenzene 509 500 102 86-119 <br /> Laboratory Control Sample(4120505-BSI) Prepared&Analyzed 12/27/04 <br /> Tert-amyl methyl ether 4 25 10 ug/l 5 00 85 78-117 <br /> Benzene 458 050 „ 5 00 92 81118 <br /> Tert-butyl alcohol 828 20 100 83 60-147 <br /> Di-isopropyl ether 473 1 0 500 95 70-125 <br /> 1 2-Dichloroethane 463 050 500 93 77-126 <br />' Ethanol 171 100 " 100 171 55-200 <br /> Ethylbenzene 4 76 050 500 95 89-122 <br /> Ethyl tert-butyl ether 449 1 0 500 90 71-120 <br /> Methyl Cert-butyl ether 4 25 050 11 500 85 70-122 <br /> Toluene 492 050 500 98 84-119 <br /> Xylenes(total) l5 0 050 150 100 86-132 <br /> Surrogate Dibromofluoromethane 5 02 .500 100 84-122 <br /> Surrogate 1 2-Dichloroethane-d4 467 5 00 93 74-135 <br /> Surrogate Toluene-d8 5 34 5 00 107 84-119 <br /> Surrogate 4-Bromofluorobenzene 5 06 500 101 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 7 of 11 <br />