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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)3649233 <br /> Sequoia 404 N Wiget lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1%ff Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite j Project Number Former Unocal#0123 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 04-Oct-99 10 17 <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 /> TB-LB(W909217-01)Water Sampled 09-Sep-99 00 00 Received 10-Sep-99 14 55 <br /> Purgeable Hydrocarbons ND 50 ug/l 1 9II5013 IS-Sep-99 15-Sep-99 DHS LLfFr <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-Trrfluorotoluene 967% 70-130 <br /> U-1 (W909217-02)Water Sampled 09-Sep-99 13 11 Received 10-Sep-99 14 55 P-03 <br /> Pu aeable Hydrocarbons 60 50 ug/1 1 9I15013 15-Sep-99 15-Sep-99 DHS LLFT <br /> Benzene ND 050 „ <br /> Toluene ND 0 50 " <br /> Ethvlbenzene ND 050 " <br /> Xylene,(total) w ND 0 50 <br /> Nlethy I tert-buts 1 ether ND 2 5 <br /> Sw rugate u a a-Trafluorotolrrene 100 % -0-130 <br /> U-2 (W909217-03)Water Sampled 09-.Sep-99 12 00 Received 10-SLP--99 14 55 <br /> Purgeable FlvdroLurbon� ND 50 up/l 1 9115013 t5-S,p-99 15 S,p 99 DHS LLFT <br /> Benzene ND 0 50 „ <br /> �Tuluene ND 0 50 <br /> Etliylbenzene ND 0 50 " <br /> —Xvlrnes(total) �- ND 050 <br /> Methyl tort-butyl ether_ ND _ -- _ 2 5 -- <br /> Surrogate a a a-Trrfhtorotoluene 96 i% -0-130 <br /> Sequoia Analvtieal - Walnut Cr£ck The resulfs an da report apply to the sdrnpler analyzed an accordnrce with the Own of <br /> cuslo4 document Thn analyrrcarl report mua be reproduced in its erarren <br /> Juey, P—ro—je-c-t-WarapPage 2 of 16 <br />