Laserfiche WebLink
Ai Sequoia 1455 McDowell Blvd Ste l7 <br /> Petaluma,,CA CA 94954 <br /> (707)792-1865 <br /> Analytical FAX(707)792 0342 <br /> www sequoialabs com <br /> • <br /> URS Corp-Sacramento Project Arco Site 2093,Tracy,CA P306156 <br /> 2870 Gateway Oaks Drive Suite 300 Project Nttinber WR36588 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 06/25/03 17 01 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Petaluma <br /> Reporting <br /> Analyte Result Limit Units Ddution Batch Prepared Analyzed Method Notes <br /> ATR-2(P306156-01)Water Sampled 06/09/03 12 00 Received 06/10/03 09 05 <br /> Tert-amyl methyl ether ND 1 0 ug/l 1 3060535 06/21/03 06/21/03 EPA 82608 <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 10 " <br /> Ethanol ND 100 " <br /> Ethyl cert-butyl ether ND 10 " <br /> Methyl tert-butyl ether 54 050 <br /> Surrogate Dibromofluoromethane 97% 84-122 " <br /> Surrogate 12-Dichloroethane-d4 98% 74-135 " <br /> Surrogate Toluene-0 96% 84-119 " <br /> ATR4(P306156-02)Water Sampled 06/09/03 10 35 Received 06/10/03 09 05 <br /> Tert-amyl methyl ether ND 10 ug/l 1 3060579 06/23/03 06/23/03 EPA 82608 <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1 0 " <br /> SWEththanol ND 100 <br /> yl <br /> tert-butyl ether ND 1 0 <br /> Methyl tert-butyl ether ND 0 50 " <br /> Surrogate Dibromofluoromethane 100% 84-122 " <br /> Surrogate 12-Dichloroethane-d4 92% 74-135 " <br /> Surrogate Toluene-d8 101 % 84-119 " <br /> ATR-5(P306156-03)Water Sampled 06/09/03 10 55 Received 06/10/03 09 05 <br /> Tert-amyl methyl ether ND 10 ug/I 1 3060535 06/21/03 06/21/03 EPA 82608 <br /> Tert-butyl alcohol ND 20 " <br /> D!-isopropyl ether ND 10 " <br /> Ethanol ND 100 " <br /> Ethyl tert-butyl ether ND 10 " <br /> Methyl tert-butyl ether 31 0 50 " <br /> Surrogate Dibromofluoromethane 100% 84-122 " <br /> Surrogate 1 2-Dichloroethane-d4 100% 74-135 " <br /> Surrogate Toluene-d8 108% 84-119 " <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 5 of 12 <br />