Laserfiche WebLink
Sequoia 1551 Industrial Road <br /> el� San Carlos CA 94070 <br /> Analytical (650)2329600 <br /> FAX(650)232_9612 <br /> www sequoialabs com i. <br /> Gettier-Ryan/Geostrategies(1} Project Tosco(1) <br /> 6747 Sierra Court,Suite 3 Project Number Tosca(former BP)#11192, Stockton Reported <br /> Dublin CA,94568 Project Manager Deanna Harding <br /> 03/01/02 13 39 <br /> Volatile Organic 8 Oxygenated Compounds by EPA Method 8260B - Quality Control - <br /> Sequoia Analytical - San Carlos <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 2020077-EPA 5030B IP/TI <br /> Blank (2020077-BLK1) Prepared&Analyzed 02/22/02 <br /> Ethanol ND 500 ug/l <br /> 1,2-Dibromoethane ND 10 <br /> 1,2-Dichloroethane ND 10 <br /> Di-isopropyl ether ND to " <br /> Ethyl tert-butyl ether ND 10 ++ <br /> Methyl tert-butyl ether ND 10 " <br /> Tert-amyl methyl ether ND 10 " <br /> 'Pert-butyl alcohol ND 20 " <br /> Surrogate 1,2-Dichloroelhane-d4 523 500 105 70-130 <br /> Surrogate Toluene-d8 497 500 994 70-130 <br /> LCS(2020077-BSI) Prepared&Analyzed 02/22/02 <br /> Methyl tert-butyl ether 442 10 ug/l 500 884 70-130 <br /> Surrogate 1 2-Dichloroethane-d4 516 Soo 103 70-130 <br /> Surrogate Toluene-d8 496 500 991 70-130 <br /> a <br /> Matrix Spike(20200.7.7-MSI) Source L202098-06 Prepared& Analyzed 02/22/02 <br /> Methyl tert-butyl ether 482 10 ugA 500 ND 964 60-140 <br /> Surrogate 12-Dichloroethane-d4 538 500 108 70-130 <br /> Surrogate Toluene-d8 495 500 990 70-130 <br /> Matrix Spike Dup(2020077-MSDI) Source L202098-06 Prepared&Analyzed 02122/0.2 <br /> Methyl tent-butyl ether 440 1 0 ug/1 500 ND 880 60-140 9 1 1 25 <br /> Surrogate 1,2-Dichloroethane-d4 533 500 107 70-130 <br /> Surrogate Toluene-d8 497 500 994 70-130 <br /> Batch 2020079-EPA 5030B JP/TJ_ <br /> Blank(2020079-BLK1) Prepared& Analyzed 02/25/02 <br /> Ethanol ND 500 ug/l <br /> 1,2-Dtbromoethane ND 10 " <br /> 1,2-Dichloroethane _ ND _ 10 <br /> Di-isopropyl ether ND 1 0 " <br /> Ethyl tert-butyl ether ND 10 " <br /> Methyl tent-butyl ether ND 1 0 " <br /> Tert-amyl methyl ether ND 1 0 " <br /> Teri-butyl alcohol ND 20 " <br /> Surrogate 1 2-Dichloroethane-d4 510 500 102 70-130 <br /> Sequoia Analytical - San Carlos The results in this r eport apply to the samples analyzed in accordance with the chain <br /> custody docuinenl This analytical report must be reproduced in its entirety <br /> Page 12 of 14 <br />