Laserfiche WebLink
1455 McDowell ta /North Ste D <br /> cSequoia Petalumtuma CA 94454 <br /> a— ) <br /> (707)792-1865 <br /> Analytical <br /> FAX(707)792-0342 <br /> www sequoialabs eom <br /> URS Corp-Sacramento Protect BP Heritage Site 11194,Tracy,Ca P404694 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36365 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 05/25/04 13 28 <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 Limns RPD Limit Notes <br /> Batch 4050263-EPA 5030B waters <br /> Matrix Spike Dup(4050263-MSD1) Source P404694-11 Prepared 05/11/04 Analyzed 05/12/04 <br /> Tert-amyl methyl ether 554 10 ug11 500 ND 111 78-117 3 20 <br /> Benzene 549 050 500 ND 110 81-118 2 20 <br /> Tert-butyl alcohol 112 20 100 ND 112 60-147 4 20 <br /> Di-isopropyl ether 5 fit 10 5 00 ND 112 70-125 5 20 <br /> Ethanol 105 100 100 ND 105 55-200 6 20 <br /> Ethylbenzene 525 0 50 500 ND 105 89-122 4 20 <br /> Ethyl tea-butyl ether 586 10 500 ND 117 71-120 3 20 <br /> Methyl tert-butyl ether 5 96 050 500 026 114 70-122 5 20 <br /> Toluene 542 0,50 500 ND 108 84-119 5 20 <br /> Xylenes(total) 165 050 15 0 ND 110 86-132 4 20 <br /> Surrogate Dibromofluoromethane 529 500 106 84-122 <br /> W <br /> rrogate 1 2-Dichloroethane-d4 583 500 117 74-135 <br /> rrogate Toluene-d8 5 19 500 104 84-119 <br /> Batch 4050265-EPA 5030B waters <br /> Blank(4050265-BLKI) Prepared&Analyzed 05/12/04 <br /> Tert-amyl methyl ether ND I0 ug/l <br /> Benzene ND 050 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 10 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 0 50 " <br /> Ethyl Cert butyl ether ND 10 " <br /> Methyl tert butyl ether ND 050 " <br /> Toluene ND 0 50 " <br /> Xylenes(total) ND 0 50 " <br /> Surrogate Dibromofluoromethane 456 450 101 84-112 <br /> Surrogate 1 2-Dichloroethane-d4 461 450 101 74-135 <br /> Surrogate Toluene-d8 444 450 99 84-119 <br /> Surrogate 4-Bromofluorobenzene 397 450 88 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 17 of 2l <br />