Laserfiche WebLink
Sequoia 1455 McDowell Blvd,North Ste D <br /> i:D Petaluma,CA 94954 <br /> Analytical <br /> IW (707)7921665 <br /> FAX(707)792-0342 <br /> 10 www sequoialabs com <br /> URS Corp-Sacramento Project Arco Site 2093,Tracy,CA P503073 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number Intrim-50265 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 03/16/05 14 I9 <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 ].traits RPD tamit Notes <br /> Batch 5030155-EPA 5030B waters/EPA 8260B <br /> Blank(5030155-BLK1) Prepared&Analyzed 03/15/05 <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) ND 050 " <br /> 1 2-Dichloroethane ND 050 <br /> Ethanol ND 100 <br /> Ethylbenzene ND 050 " <br /> Ethyl tert-butyl ether ND 1 0 <br /> Methyl tert-butyl ether ND 050 " <br /> Toluene ND 050 " <br /> Xylenes(total) ND 050 <br /> urrogate Dibromofluoromethane 520 5 00 104 84-122 <br /> Surrogate 1 2-Dichloroethane-d4 477 500 95 74-135 <br /> Surrogate Toluene-d8 512 500 102 84-119 <br /> Surrogate 4 Bromofluorobenzene 584 5 00 117 86-119 <br /> Laboratory Control Sample(5030155-BSI) Prepared&Analyzed 03/15/05 <br /> Tert-amyl methyl ether 4 81 10 ug/l 500 96 78-117 <br /> Benzene 485 0 50 500 97 81-118 <br /> Tert butyl alcohol 993 20 100 99 60 147 <br /> Di-isopropyl ether 483 10 500 97 70-125 <br /> 1,2-Dibromoethane(EDB) 5 16 050 500 103 85-125 <br /> 1,2-Dichloroethane 446 050 500 89 77 126 <br /> Ethanol 906 100 100 91 55-200 <br /> Ethylbenzene 5 18 0 50 5 00 104 89-122 <br /> Ethyl tert-butyl ether 462 10 5 00 92 71-120 <br /> Methyl Cert-butyl ether 475 050 500 95 70-122 <br /> Toluene 524 050 500 105 84-119 <br /> Xylenes(total) 15 3 050 Is 0 102 86-132 <br /> Surrogate Dibromofluoromethane 486 5 00 97 84-122 <br /> Surrogate 12-Drchloroethane-d4 460 Soo 92 74-135 <br /> Surrogate Toluene d8 4 93 5 00 99 84-119 <br /> Surrogate 4 Bromofluorobenzene 5 19 500 104 86-119 <br /> i <br /> Sequoia Analyttcal-Petaluma The results in this report apply to the samples analyzed to accordance with the chain of <br /> custody document Unless otherwise slated results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 17 of I9 <br />