Laserfiche WebLink
1551 Industrial Road <br /> (i) Sequoia San Carlos CA 94070 <br /> Analytical FAX(650)232 9600 <br /> (650)232 9612 ti <br /> www sequoialabs corn <br /> Gettler-Ryan/Geostrategies(I) Project Tosco(1) <br /> 6747 Sierra Court,Suite J Project Number Unocal SS#08671,Stockton,CA Reported <br /> Dublin CA,94568 Project Manager Deanna Harding 02/28/02 11 15 <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 2020060-EPA 5030E JP/Tl <br /> LCS (2020060-BSI) Prepared&Analyzed 02/19/02__ <br /> Methyl tert-butyl ether 49 5 1 0--ug/1- 50 0 99 0__-70-130 _ - <br /> Suptogate 1 2-Dichlaraethane-0 61 0 50 0 122 70-130 <br /> Sup rogate Toluene-d8 51 3 500 103 70-130 <br /> Matrix Spike(2020060-MS1) _ Source L202081-08 Prepared&Analyzed 02/19/02 <br /> Methyl tert-butyl ether 51 3 1 0 119/1 Soo 4 8 93 0 60-140 <br /> Surrogate 1,2-Dichloroethane-d4 580 500 116 70-130 <br /> Surrogate Toluene-d8 335 500 107 70-130 <br /> Matrix Spike Dup(2020060-MSDI) -__ Source L202081-08 Prepared&Analyzed 02/19/02 - <br /> Methyl tent-butyl ether 55 9 1 0 ugA 500 4 8 102 60-140 8 58 25 <br /> Surrogate 1,1-Dichlopoethane-d4 573 500 115 70-130 <br /> Surrogate Toluene-d8 53 7 500 107 - 70-130 <br /> Batch 2020067-EPA 5030B P/Tl . <br /> Blank(2020067-BLKI) Prepared& Analyzed 02/21/02 <br /> Ethanol ND 500 1194 <br /> 1,2-Dibromoethane ND 10 " <br /> —1;2=Dichloroethane <br /> Di-isopropyl ether ND to " <br /> Ethyl tert-butyl ether - ----- - ---ND_-_--_1-0 - -"- - ------- - ----- - - -- - - - <br /> Methyl tert_butyl ether_ -- -- - ND _ _- 1 0 <br /> Tert-amyl methyl ether ND 1 0 " <br /> Tert-butyl alcohol ND 20 " <br /> Surrogate 1,2-Dichloroethane-d4 51 5 300 103 70-130 <br /> Surrogate Toluene-d8 490 500 980 70-130 <br /> Sequoia Analytical - San Carlos The i esults in this p epoi t apply to the samples analyzed in accordance with the 10 <br /> of custody document This analytical repo i must be reproduced in its entirety <br /> Page 11 of 16 <br />