Laserfiche WebLink
1551 Industrial Road <br /> Sequoia San Carlos CA 94070 <br /> a_�_ (650)232-9600 <br /> Analytical FAX(650)232-9612 <br /> www.sequoialabs.com <br /> aIJ1�J,ler-Ryan/Geostrate gies(I) Project: Tosco(l) <br /> Sierra Court, Suite J Project Number: Tosco#11195,Lathrop,CA Reported: <br /> Dublin CA,94568 Project Manager: Deanna Harding 12/10/01 19:11 <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 1 l 10089-EPA 5030B JP/TJ <br /> Blank(1110089-BLKI) Prepared&Analyzed: 11/26/01 <br /> Ethanol ND 500 ug/l <br /> 1,2-Dibromoethane ND 1.0 " <br /> 1,2-Dichloroethane ND 1.0 " <br /> Di-isopropyl ether ND 1.0 " <br /> Ethyl tert-butyl ether ND 1.0 " <br /> Methyl tert-butyl ether ND 1.0 " <br /> Teri-amyl methyl ether ND 1.0 " <br /> Tert-butyl alcohol ND 20 " <br /> Surrogate:1,2-Dichloroethane-d4 49.6 50.0 99.2 70-130 <br /> Surrogate:Toluene-d8 51.2 50.0 102 70-130 <br /> Blank(1110089-BLK2) Prepared&Analyzed: 11/28/01 <br /> Ethanol ND 500 ug/I <br /> 1.= �,bromoethene ND 1.0 " <br /> LchI.roethane ND 1.0 " <br /> Di-isopropyl ether ND 1.0 " <br /> Ethyl tort-butyl ether ND 1.0 " <br /> Methyl tent-butyl ether ND 1.0 " <br /> Tort-amyl methyl ether ND 1.0 " <br /> Tert-butyl alcohol ND 20 " <br /> Surrogate: 1,2-Dichloroethane-d4 25.5 25.0 102 70-130 <br /> Surrogate.Toluene-d8 25.1 25.0 100 70-130 <br /> LCS(]110089-BSI) Prepared&Analyzed: 11/26/01 <br /> Methyl tert-butyl ether 48.0 1.0 ug/I 50.0 96.0 70-130 <br /> Surrogate:1,2-Dichloroethane44 48.9 50.0 97.8 70-130 <br /> Surrogate:Toluene-d8 51.4 50.0 103 70-130 <br /> I <br /> I <br /> ia Analytical - San Carlos The results in this report apply to the samples analp=ed in accordance ivilh the chain of � <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 13 of IS <br /> I <br />