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404 N Wlget Lane <br /> Walnut Geek,CA'94598 <br /> _ Sequoia FAX(925)988 <br /> �4 <br /> (925)988-9673 <br /> - www sequolalabs - <br /> �, Analytical <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal# 1205 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 08-Feb-0107 55 <br /> Total Purgeable Hydrocarbons (Cb-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 /> MW-3(W101183-04)Water Sampled 08-Jan-01 10 05 Received 09-Jan-01 18 15 <br /> P-Ol <br /> Purgeable Hydrocarbons 2100 130 ug/1 25 1A22004 20-Jan-01 20-Jags-41 EPA <br /> 8015M/8020 <br /> Benzene 9 3 13 <br /> Toluene 3 9 13 <br /> Ethylbenzene 32 13 <br /> Xylenes (total) 7 8 13 CC-3 <br /> Methyt tert-butyl ether 6 9 63 „ „ „ <br /> Surrogate a,a,a-Trtfluorataluene <br /> 84 7% 70-13Q " <br /> I-02,P-01 <br /> MW-4(W101183-05)Water Sampled 08-Jan-01 09 35 Received 09-Jan-01 18 15 <br /> Purgeable Hydrocarbons 1700 500 ug/1 10 1B07001 07-Feb-01 07-Fab-01 EPA <br /> 8015M/8020 <br /> Benzene 9 5 5 0 <br /> " <br /> Toluene ND 50 <br /> Ethylbenzene 43 50 " <br /> 22 50 <br /> Xylenes(total) <br /> Methyl tert butyl ether ND 25 " <br /> Surrogate a,a,a-Trifluorotoluene <br /> 100% 70-130 " <br /> P-01 <br /> MW-5 (W101183-06)Water Sampled 084an-01 15 50 Received 09-Jun-01 IS 15 <br /> Purgeable Hydrocarbons 64000 10000 ugfl 200 1A19001 19-Jan-01 19-Jan-0I EPA <br /> 8015M/8020 <br /> Benzene 120 100 <br /> 1300 100 " I, " <br /> Toluene <br /> Ethylbenzene 5000 100 1, <br /> It <br /> „ 11 <br /> Xylenes (total) 30000 „ <br /> Methyl Cert-butyl ether ND 500 1, , CC-3 <br /> Surrogate a,a,a-Tnflaarotoiuene <br /> 101 % 70-130 <br /> Sequoia Analytical-Walnut Creek The results in alas report apply to the samples analyzed in accordance with the chain of <br /> custody document.This analytical report must be reproduced In its enu6 <br /> — -- Page-3-of-14— <br />