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• • 819 Striker Avenue,Suite 8 <br /> Seuoia Sacramento, 95834 <br /> q (916))921-9600 <br /> Analytical FAX equoi labs.c 00 <br /> Y www.sequoialabs.com <br /> Stratus Environmental Project: ARCO 760,Lodi,CA <br /> 3330 Cameron Park Drive,Ste.550 Project Number: 760,Lodi,CA Reported: <br /> Cameron Park CA,95682 Project Manager. Jay Johnson 08/22/02 14:11 <br /> Total Purgeable Hydrocarbons and BTEX by DHS LUFT-Quality Control <br /> Sequoia Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> l <br /> Batch 2080168 EPA 5030B(P/T) <br /> Blank(2080168 BLKI) Prepared&Analyzed:08/16/02 <br /> Purgeable Hydrocarbons ND 0.50 mg/kg <br /> Benzene ND 0.0050 " <br /> Toluene ND 0.0050 " <br /> Ethylbenzene ND 0.0050 <br /> Xylenes(total) ND 0.0050 <br /> Surrogate:a,a,a-Trifluorotoluene 0.0174 0.0200 87 60-140 <br /> LCS(2080168 BSI) Prepared&Analyzed:08/16/02 <br /> Benzene 0.0167 0.0050 mg/kg 0.0200 84 70-130 <br /> Toluene 0.0179 0.0050 0.0200 90 70-130 <br /> Ethylbenzene 0.0189 0.0050 „ 0.0200 94 70-130 <br /> Xylenes(total) 0.0580 0.0050 0.0600 97 70-130 <br /> Surrogate:a,a,a-Trifluorotoluene 0.0172 0.0200 86 60-140 <br /> Batch 2080179-EPA 5030B(P/T) <br /> Blank(2080179-BLK1) Prepared&Analyzed:08/19/02 <br /> Purgeable Hydrocarbons ND 0.50 mg/kg <br /> Benzene ND 0.0050 <br /> Toluene ND 0.0050 <br /> Ethylbenzene ND 0.0050 " <br /> ' Xylenes(total) ND 0.0050 <br /> Surrogate:a,a,a-TriJluorotoluene 0.0184 0.0200 91 60-140 <br /> LCS(2080179-BSI) Prepared&Analyzed:08/19/02 <br /> Benzene 0.0166 0.0050 mg/kg 0.0200 83 70-130 <br /> Toluene 0.0184 0.0050 0.0200 92 70-130 <br /> Ethylbenzene 0.0192 0.0050 0.0200 96 70-130 <br /> 1 Xylenes(total) 0.0592 0.0050 0.0600 99 70-130 <br /> Surrogate:a,a,a-TriJluorotoluene 0.0174 0.0200 87 60-140 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document. This analytical report must be reproduced in its entirety. <br /> iPage Page 7 of 1 l <br />