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404 N Wiget Lane <br /> Walnut Geek CA 94598 <br /> Sequoia (925)988-9600 <br /> FAX(925)986-673 <br /> Analytical www sequotalabs°°m <br /> ttler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Scute J - Project Number- Unocal#0123 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 20-Jul-00 11 19 <br /> Total Purgeable Hydrocarbons (C6-Cl2), BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> U-3(W006495-04)Water Sampled 19-0un-00 10 50 Received 20-Jun-0017 30 <br /> Purgeable Hydrocarbons ND 50 U84 1 OF29001 28-Jun-00 28-Jun-00 EPA <br /> 8015M/8020 <br /> Benzene ND 050 <br /> Toluene ND 050 <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Methyl tert butyl ether ND 25 <br /> Surrogate a,a,a-Trtfluorotoluene 953% 70-130 " <br /> U4(W006495-05)Water Sampled 194un-0013 40 Received 20-Jun-0017 30 P-01 <br /> Purgeable Hydrocarbons 210 50 ugll 1 OF29002 29-Jun-00 29-Jua-00 EPA <br /> 801SM/8020 <br /> Benzene 95 050 " <br /> Toluene 063 050 " <br /> Ethylbenzene 089 050 <br /> ftnes(total) 24 050 <br /> yl tert-butyl ether ND 25 n " <br /> Surrogate a,a,a-Tnfluorotoluene 863% 70-130 " <br /> U-5(W006495-06)Water Sampled 194un-0011 22 Received 20-Jun-0017 30 <br /> Purgeable Hydrocarbons ND 50 ug(l 1 OF29001 28-Jun-00 28-Jun-00 EPA <br /> so 1511. 0 <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 <br /> Xylenes(total) ND 050 " <br /> Methyl tett-butyl ether ND 25 <br /> Surrogate a,a,a-Trrfluorotoluene 95 0-Yo 70-130 " <br /> 1tOta Analytical-Walnut Creek The results in this report apply to the samples analysed In accordance with the churn of <br /> custody docurmnL Tins anaboral report must be reproduced in ru entirety <br /> Page 3 of 20 <br /> Abd' <br />