Laserfiche WebLink
Sequoia 1455 McDowell North Ste D <br /> Petaluma, <br /> a,CA 44954 <br /> Analtical (707 792-1365 <br /> y FAX(707))792-0342 <br /> www sequoialabs com <br /> 49 URS Corp-Sacramento Project Arco Site 6020,Manteca,CA P305040 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36616 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 05/15/03 20 19 <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 3050181-EPA 5030 waters <br /> Blank 3050181-BLK1 Prepared&Analyzed 05/07/03 <br /> Tert-amyl methyl ether ND I 0 ugll <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1 0 " <br /> 1,2-Dibromoethane(EDB) ND 0 50 " <br /> 1,2-Dichloroetbane ND 0 50 " <br /> Ethanol ND 100 " <br /> Ethyl tert-butyl ether ND 1 0 " <br /> Methyl tert-butyl ether ND 0 50 " <br /> Surrogate Dibromofuoromethane 4 77 5 00 95 84-122 <br /> Surrogate 1 2-Dichloroethane-d4 456 500 91 74-135 <br /> Surrogate Toluene-d8 4 94 500 99 84-119 <br /> Aft aboratory Control Sample(3050181_-BSI) Prepared&Analyzed 05/07/03 <br /> �hyl tert-butyl ether I 03 050 u9il 1 00 103 79-118 <br /> Surrogate Dibromofluoromelhane 4 74 Soo 95 84-122 <br /> Surrogate 1 2-Dichloroelhane-d4 435 500 87 74-135 <br /> Surrogate Toluene-d8 5 03 500 101 84-119 <br /> Laboratory Control Sample Du 3050181-BSD1 Prepared&Analyzed 05/07/03 <br /> Methyl tert-butyl ether 1 05 050 ug/1 1 00 105 79-118 2 20 <br /> Surrogate Dtbromofluoromethane 4 67 " 5 00 93 84-122 <br /> Surrogate 1 2-Dichloroethane-d4 446 500 89 74-135 <br /> Surrogate Toluene-d8 5 05 500 101 84-119 <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 1 I of 12 <br />