Laserfiche WebLink
Sequoia 1455 McDowell Blvd North Ste <br /> Petaluma CA 949544 <br /> (707)792-1862 <br /> Analytical <br /> FAX 742-0342 <br /> www sequoiequoialabs com <br /> URS Corp-Sacramento Project Arco Site 6100 Trac CA 4 <br /> 1 Y, P40 555 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36619 Reported <br /> Sacramento CA,95833 Project Manager Jay Johnson 05/13/04 18 04 <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 4050057-EPA 5030(pres 48h) <br /> Matrix Spike Dup(4050057-MSDI) Source P404606-12 Prepared&Analyzed 05/04/04 T <br /> Tert-amyl methyl ether 00538 00050 mg/kg 0 0500 ND 108 74-126 3 35 <br /> Benzene 00549 00050 0 0500 ND 110 75-123 3 35 <br /> Tert-butyl alcohol 0 883 010 l 00 ND 88 66-129 12 35 <br /> Di-isopropyl ether 0 0535 00050 00500 ND 107 71-127 10 35 <br /> 1 2-Dibromoethane(EDB) 0 0558 00050 00500 ND 112 88 118 6 35 <br /> l 2-Dichloroethane 0 0515 0 0050 00500 ND 103 79 119 2 35 <br /> Ethanol 0 832 020 l 00 0 047 78 70-140 62 35 QC20 <br /> Ethylbenzene 0 0549 0 0050 00500 ND 110 65-135 2 35 <br /> Ethyl tert-butyl ether 0 0545 0 0050 0 0500 ND 109 72-123 7 35 <br /> Methyl tert-butyl ether 00545 0 0050 0 0500 ND 109 70-125 14 35 <br /> Toluene 00543 0 0050 0 0500 ND 109 76-123 2 35 <br /> Surrogate Dibroniofluoromethane 00489 00500 98 81 126 <br /> Surrogate 1 2 Dichloroethane-d4 00473 00500 95 73-131 <br /> Surrogate Toluene-d8 00499 00500 100 82-129 <br /> Batch 4050095-EPA 5030B soils McOH <br /> Blank(4050095-BLKI) Prepared&Analyzed 05/05/04 <br /> Teri-amyl methyl ether ND 1 0 mg/kg <br /> Benzene ND 1 0 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1 0 " <br /> 1 2-Dibromoethane(EDB) ND 1 0 " <br /> 1,2-Dichloroethane IND 10 " <br /> Ethanol ND 40 " <br /> Ethylbenzene ND l0 " <br /> Ethyl tert-butyl ether ND l 0 " <br /> Methyl tert-butyl ether ND 1 0 " <br /> Toluene ND l0 " <br /> Xylenes(total) ND 1 0 " <br /> Surrogate Dibromof uoromethane 2 12 2 00 106 81-126 <br /> Surrogate 12-Dichloroethane-d4 2 35 200 118 73 131 <br /> Surrogate Toluene d8 2 11 200 106 82-129 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirety <br /> Page 16 of 18 <br />