Laserfiche WebLink
i <br /> Sequoia 1551 nalR <br /> oad <br /> San Carlosrlos CA 9407070 <br /> (650)232-9600 <br /> FAX 12 <br /> Analytical wwseq 0ialabs om <br /> www soquoialabs wm <br /> Project Tosco(1) <br /> Pler-11yan/Geostralegies(l) <br /> Sierra Court,Suite d Project Number Tosco(Unocal)SS#6981 Stockton, CA Reported <br /> Dublin CA,94568 Project Manager Deanna Harding 09/27/01 10 19 <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 1090068-EPA 5030B IP/TI <br /> Blank(1090068-BLK1) Prepared&Analyzed 09/19/01 <br /> Ethanol ND 1000 ugll <br /> 1,2-Dibromoethane ND 20 " <br /> 1,2-Dichloroethane ND 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl tert-butyl ether ND 20 " <br /> Methyl tert-butyl ether ND 20 " <br /> Teri-amyl methyl ether ND 20 " <br /> Teri-butyl alcohol ND 100 " <br /> Surrogate 1 2-Dichloroethane-d4 435 500 870 76-114 <br /> Surrogate Toluene-d8 479 Soo 958 88-110 <br /> LCS(1090068-BSI) Prepared&Analyzed 09/19/01 <br /> Mk tert-butyl ether 45 8 20 ug/1 50 0 916 70-130 <br /> AM" 12-Dichloroethane-d4 466 500 932 76-114 <br /> Surrogate Toluene-d8 482 500 964 88-110 <br /> Matrix Spike(1090068-MSI) Source L109093-02 Prepared&Analyzed 09/19/01 - <br /> Methyl tert-butyl ether 447 20 ug/l Soo ND 894 60-140 <br /> Surrogate 12-Dichloroethane-d4 441 300 882 76-114 <br /> Surrogate Toluene-d8 488 500 976 88-110 <br /> Matrix Spike Dup(1090068-MSDI) Source L109093-02 Prepared&Analyzed 09/19/01 <br /> Methyl ten-butyl ether 47 5 20 ug/l 500 ND 950 60-140 607 25 <br /> Surrogate 1,1-Dichloroethane-d4 473 500 946 76-114 <br /> Surrogate Toluene-d8 462 500 924 88-110 <br /> Batch 1090069-EPA 5030E IP/TI <br /> Blank(1090069-BLKI) Prepared&Analyzed 09/19/01 <br /> Ethanol ND 1000 ug/l <br /> 1,2-Dibromoethane ND 20 " <br /> 1,2-Dichloroethane ND 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl teri-butyl ether ND 20 " <br /> Methyl tert-butyl ether ND 20 " <br /> Tert-amyl methyl ether ND 20 " <br /> Tert-butyl alcohol ND 100 " <br /> Surrogate 12-Dichloroethane-d4 489 500 978 76-114 <br /> Mia Analytical -San Carlos The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced rn its entirety <br /> Page 17 of 21 <br />