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1551 Industnal Road <br /> Sequoia San Carlos CA 9 070 <br /> Analytical (650)232-9600 <br /> +� FAX(650)232-9612 <br /> www sequoialabs com <br /> Gettl�CouM <br /> ) Project Unocal(4) <br /> 7 Project Number Former Unocal 115098,Stockton <br /> in CA,94568 Reported <br /> Project Manager Deanna Harding 07/01/02 07 46 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - San Carlos <br /> Reporting <br /> siyte Result Limit Units Dilution Hatch Prepared Analyzed Method Notes <br /> -17 L206021-20Water Sam led 06/09/02 11 35 Received 06/11/02 18 05 <br /> rene ND 20 119/1 1 2060032 06/20/02 06/20/02 EPA 8260E <br /> ,1,1,2-Tetrachloroethane ND 20 „ „ 11 1. <br /> 1 1,22-Tetrachloroethane ND 20 <br /> „ <br /> Itra'chloroethene ND 20 <br /> luene ND 20 <br /> 1,2,3-Trichlorobenzene ND 20 „ <br /> ,4-Trichlorobenzene ND 20 „ <br /> „ <br /> 1,1-Trichloroethane ND 20 <br /> 1,1,2-Trichloroethane ND 20 „ <br /> chloroethene ND 20 <br /> chlorofluoromethane ND 5 0 „ <br /> , ,3-Trichloropropane ND 20 <br /> 1,2,4-Trimethylbenzene ND 20 " <br /> t5-Trimethylbenzene ND 20 <br /> yl chloride ND 20 <br /> Total Xylenes ND 20 <br /> to 42-Dichloroethane-d4 108% 76-114 " <br /> FF <br /> to Toluene-d8 98 5% 88_110 „ <br /> Prr'g'.te 4-BFB 939% 86-115 „ <br /> -18 L206021-21 Water Sampled 06/10/02 12 35 Received 06/11/02 I8-05 <br /> zene ND 20 ug/l 1 2060032 06/21/02 06/21/02 EPA 8260B <br /> 3romobenzene ND 20 „ „ " <br /> 1. <br /> ochloromethane ND 20 „ " „ <br /> odichloromethane ND 20 11 „ „ <br /> „ <br /> ofonn ND 20 n <br /> lromomethane ND 5 0 <br /> tylbenzene ND 20 „ <br /> utylbenzene ND 20 <br /> „ <br /> ert-butyl benzene ND 20 <br /> I:tetrachloride ND 20 <br /> „ <br /> robenzene ND 2 0 <br /> roethane ND 5 0 <br /> hloroform ND 20 <br /> fromethane ND 50 <br /> lorotoluene ND 20 <br /> Chlorotoluene ND 20 <br /> fmochloromethane ND 20 <br /> roibromoethane ND 20momethane ND 20 <br /> oia Analytical-San Carlos The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 39 of 103 <br /> 1 <br />