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i <br /> 819 Striker Avenue Suite 8 <br /> a- 4 Sequoia Sacramento CA9583491500(916)921-FAX(916)921-0t00 <br /> Analytical v�sequoialabs corn <br /> SECOR International-Rancho Cordova Project ARCO 595, Stockton,CA <br /> 3017 Kilgore Road,Suite 100 Project Number NIA Reported <br /> Rancho Cordova CA,95670 , Project Manager Rusty Benkosky 08/20/01 18 00 <br /> Volatile Oxygenate Compounds by EPA Method 8260A - Quality Control <br /> Sequoia Analytleal-- Sacramento— V - - - - —----- — - - - - --- <br /> Reporting Spike Source %RFC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1080132- EPA 5030B [P/TJ <br /> Blank(1080132-BLK1) Prepared&Analyzed 08/13/01 <br /> Tert-butyl alcohol ND 200 ug/l <br /> Methyl tert-butyl ether ND 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl cert-butyl ether ND 20 <br /> Tert-amyl methyl ether ND 20 " <br /> Ethanol ND 3000 " <br /> 1,2-Dichloroethane ND 20 ` <br /> Ethylene dibromide ND 20 <br /> Surrogate 12-DCA-d4 480 500 960 60-140 <br /> L_CS(1080132-BS1) Prepared&Analyzed 08/13/01 <br /> Methyl tert-butyl ether 51 6 20 v ugll 500 103 60-140 �_ _• <br /> Surrogate 1 2-DCA-d4 489 500 978 60-140 <br /> Matrix Spike(1080132-MSI) __ Source 5108043-02 Prepared&Analyzed 08/13/01 <br /> Methyl tert-butyl ether 51 6 20 ug/l Soo ND 103 60-140 <br /> Surrogate 1 2-DCA-d4_ _ Y 484 —=500 `_ 968 60-140- --- <br /> Matrix Spike Dup(1080132-MSDI) Source 5108043-02 Prepared&Analyzed 08/13/01 <br /> Methyl tort-butyl ether 543 - -_-W 20 ugA _ W 50 0 ND 109 -=60-140 510 25 <br /> Surrogate 1 2-DCA-d4 492 500 984 60-140 <br /> Batch 1080147-EPA 5030B PIT <br /> Blank(1080147-BLK_1) _ Prepared&Analyzed 08/14/01 <br /> Teri-butyl alcohol ND 200 ugA <br /> Methyl tert-butyl ether ND 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl ten-butyl ether ND 20 " <br /> Tert-amyl methyl ether ND 20 - <br />_ Ethanol _ _ ND 3000 <br /> 1,2-Dichloroethane ND 20 " <br /> Ethylene dibromide ND 20 " <br /> Surrogate 1 2-DCA-d4 484 500 968 60-140 <br /> Sequoia Analytical-Sacramento 1 The results in this report apply to the samples analyzed in accordance with the clown 0 <br /> 0 <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 1 1 of 13 <br />