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ez— Sequoia 819 Straker Avenue,State 8 <br /> Sacramento,CA 95834 <br /> Analytical (916)921-9600 <br /> 4�-- FAX(916)921-0100 <br /> www sequotalabs corn <br /> SECOR International-Rancho Cordova Pro ect ARCO 595,Stockton,CA <br /> 1 <br /> 3017 Kilgore Road,Suite 100 Project Number Rancho Cordova CA,95670 077 43130 050 Repo <br /> Ptolect Mattager Rusty Benkosky 11/07/01 E47 ] <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Sequoia Analytical-Sacramento <br /> Analyte Reporting Spike Source %REC RPD <br /> Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1110010-EPA 5030B rprrj <br /> Blank 11100I0-BLK1 <br /> Pre ared&Arial ed 11/02/01 <br /> Tert-butyl alcohol ND 100 ugA <br /> Methyl tert-butyl ether ND 1 0 " <br /> Di-isopropyl ether ND 10 " <br /> Ethyl tert-butyl ether ND 1 0 <br /> Tert-amyI methyl ether ND 1 0 " <br /> Ethanol ND 1500 " <br /> 1,2-Dichloroethanc ND 10 " <br /> Ethylene dtbromtde ND 1 0 " <br /> Surrogate 1,2-DCA-d4 222 " <br /> 250 888 60-140 <br /> LCs 111a010-Bs1 <br /> P ared&Anal ed <br /> Methyl tert-butyl ether 229 1 0 ugtl 250 <br /> 916 11/02/0160-140 <br /> �rrogate 12-DCA-d4 222 " 250 <br /> 888 60-140 <br /> Matrix S ike 1110010-MSl Source S111006-01 Pae ared&AnaI zed 11/02/01 <br /> Methyl tert-butyl ether 43 1 <br /> 1 0 ug/I 250 16 108 60-140 <br /> Surrogate 41-DCA44 231 250 <br /> 924 60-140 <br /> Matra Spike Dn 1110010-MSD1 Source-5111006-01 <br /> ared&An ilyzed 1 UO2/OI <br /> Methyl tert-butyl ether 434 <br /> 10 119/1 250 16 110 60-140 0 694 25 <br /> Surrogate 1,2-DCA-d4 232 250 <br /> 928 60-140 <br /> Batch 11100.29-EPA 5030B jPfrl <br /> Blank 1110029-BLKl P ared&Anal I]/OS/OI <br /> Tert-butyl alcohol ND 100 UFA <br /> Methyl tert-butyl ether ND 10 " <br /> Di-isopropyl ether ND 1 0 " <br /> Ethyl tert-butyl ether ND 1 0 " <br /> Tert-amyI methyl ether ND 1 0 " <br /> Ethanol ND 1500 " <br /> 1,2-Dichloroethane ND 10 " <br /> Ethylene dibromrde ND 1 0 " <br /> Surrogate 1,2-DCA-d4 253 250 <br /> 101 b0-140 <br /> UOla.Analytical-Sacramento the results in this report apply to the samples analyzed to accordance with the chain <br /> of castody document This analytical report must be reproduced in its entirety <br /> Page Page 8 of 12 <br />