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404 N Wiget Lane <br /> Walnut Creek CA 94598 <br /> Sequoia (925)988-%00 <br /> FAX(925)988-9673 <br /> Analytical www sequoiala6s con <br /> Gettler Ryan hie -Rancho Cordova Project Unocal <br /> 3164 Gold Camp Drive 0240 Project Number Unocal 40197 Reported <br /> Rancho Cordova CA,95670 Project Manager David Herzog 16-Nov-00 07 22 <br /> Total Purgeable Hydrocarbons (C6-C12), 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-25-36 5' (W011089-07)Soil Sampled 01-Nov-00 14 16 Received 02-Nov-0017 30 - - <br /> Purgeable Hydrocarbons ND 1 0 mg/kg 20 OK09004 09-Nov-00 13-Nov 00 EPA 8015/8020 <br /> Benzene ND 00050 " <br /> Toluene ND 00050 " <br /> Ethylbenzene ND 00050 " <br /> Xylenes(total) ND 00050 " <br /> Methyl tent-butyl ether ND 0 050 " <br /> Surrogate a a a-Tnfluorotoluene 673% 40-140 " <br /> U-25-41 5' (W011089-08)Soil Sampled 01-Nov-00 14 22 Received 02-Nov-00 17 30 <br /> Purgeable Hydrocarbons ND 10 mg/kg 20 OK09004 09-Nov-00 13-Nov-00 EPA 8015!8020 <br /> Benzene ND 00050 " <br /> Toluene ND 00050 " <br /> Ethylbenzene ND 00050 " <br /> Xylenes(total) ND 00050 " <br /> - -- Methyl tert-butyl ether - - -- ND -0050 <br /> Surrogate a,a,a-Trifluorotoluene 867% 40-140 <br /> U-2546 5' (W011089-09)Soil Sampled 01-Nov-00 14 35 Received 02-Nov-0017 30 <br /> Purgeable Hydrocarbons ND 1 0 mgikg 20 OK09004 09-Nov-00 13-Nov-00 EPA 8015/8020 <br /> Benzene- -_— - -_-- IM--O 0050 - <br /> Toluene ND 00050 " <br /> Etliy- enzene - - - - ---ND -_-'-0 0050'„_ .--- _ - <br /> Xylenes(total) ND 00050 ” <br /> Methyl tert-butvl ether ND 0 050 " <br /> Surrogate a a a-Tris luorotoluene 790% 40-140 " <br /> Sequoia Analytical -Walnut Creek The ressilts in this report apply to the samples analyzed in accordance with the chm <br /> custody document This analytical report must be reproduced in its enir <br /> 0 <br /> Page 4 of 9 <br />