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i <br /> r <br /> { Sequoia,i 819 Striker Avenue,Suite 8 j <br /> Sacramento,CA 95834 <br /> Analytical <br /> (916)921-9604 <br /> IqW nalytical FAX(916)921-0100 <br /> www.sequoialabs.com <br /> B <br /> Delta Environmental Consultants(Cameron Park) Project; Arco 6100,Tracy,CA <br /> 3330 Cameron Park Dr.Ste 550 Project Number: N/A Reported: <br /> Cameron Park CA,95682 Project Manager. Jay Johnson 09/21/01 15:50 <br /> ' Total Purgeable Hydrocarbons and BTEX by DHS LUFT <br /> Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> B33-20 SID9118-0 Soil Sampled:09/04/01 10:53 Received:09/07/0115:15 <br /> Purgeable Hydrocarbons ND 5.0 mg/kg 1 1090137 09/12/01 09/12/01 DHS LUFT <br /> Benzene ND 0.025 " <br /> Toluene irTD 0.025 " <br /> Ethylbenzene ND 0.025 <br />#' Xylenes(total) ND 0.025 <br /> i <br />+ Surrogate:a.a,a-Tri>`luorololuene 111% 60-140 <br /> t. <br /> B33-4$fSI 09I18-02 Soil Sam led:09/0410111:35 Received:09/0710115'15 <br /> f Purgeable Hydrocarbons ND 5.0 mg/kg 1 1090137 09/12/01 09/12/01 DHS LUFT A-01 <br /> Benzene ND 0.025 <br /> Toluene ND 0.025 " A-01 <br /> Ethylbenzene ND 0.025 A-ol <br /> Xylenes(tali[) ND 0.025 " A-01 <br />{ Surrogate:a,a,a-THfluorotoluene 116% 60-140 R-Ol <br /> 1 B33-63(5109118-03)Soil Samnled:09/04/01 12:05 Received-09/07/01 15:15 <br /> PurS eable Hydrocarbons ND 5.0 mg/kg 1 1090137 09/12/01 09/12/01 DHS LUFT <br /> Benzene 0.48 0.025 <br /> Toluene 0.085 0.025 " <br /> Ethylbenzene ND 0.025 " <br /> J. Xylenes(total) 0.21 0.025 <br /> Surrogate:a,a,a-Tr(fluorotoluene 115% 60-1.40 " <br /> B33-95(S109118-04)Soil Sampled. 09104/01 13:00 Received:09/07101 15:15 <br /> Purgeable Hydrocarbons ND 5.0 mg/kg 1 3090137 09/12/01 09/12/01 DHS LUFT <br /> Benzene 0.26 0.025 " <br /> Toluene 0.076 0.025 " <br /> Ethylbenzene ND 0.025 " <br /> Xylenes(total) 0.060 0.025 " <br /> Surrogate:a,a,a-Trifluorotoluene 113% 60-140 " <br /> I i <br /> f Ip�i1 <br /> - 1 1 <br /> f. <br /> Il 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 /> Page Page 5 o,f 24 <br /> l <br />