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i <br /> TABLE 2 <br /> Groundwater Laboratory Data <br /> 504 N. Aurora Way <br /> Chevron U.S.A./Carnation Plant <br /> Stockton, CA <br /> Results in pg/1 (ppb) <br /> DATE SAMPLE BENZENE TOLUENE ETHYL- XYLENES TPHG TPHD <br /> ID BENZENE # <br /> 05/07/91 MW1 0 85 1 5 1 0 29 41 j ND <br /> MW2 077 ND ND 036 31 84 <br /> MW3 ND ND ND ND ND j ND <br /> 06/21/91 MW1 ND ND ND ND ND ND <br /> MW2 ND ND ND ND ND 68 <br /> MW3 ND ND ND ND ND ND <br /> 8122191 MW1 041 ND ND ND ND ND <br /> MW2 063 ND ND ND ND ND <br /> MW3 ND ND ND ND ND ND <br /> 02/18/92 MW1 ND ND ND ND 120 ND <br /> MW2 ND ND ND ND ND ND <br /> I <br /> MW3 ND ND ND ND ND ND <br /> 06/16/92 MW1 ND 0 6 ND 0 9 160 ND <br /> MW2 ND ND ND ND ND ND <br /> 04/01/93 MW1 ND ND ND ND 150 ND <br /> MW2 ND ND ND ND ND ND <br /> MW3 ND ND ND ND ND ND <br /> CS-TB1 ND ND ND ND ND ND <br /> MCL 1 0 40 30 20 NA j NA <br /> NOTES <br /> BTEX Analyzed by EPA method 8020/602 <br /> TPHG = Total Petroleum Hydrocarbons as Gasoline Analyzed by Modified EPA Method 8015 <br /> TPHD — Total Petroleum Hydrocarbons as Diesel Analyzed by Modified EPA Method 8015 <br /> ND = Compounds Not Detected Above Method Detection Limits <br /> NA = Not Available <br /> MCL's = Maximum Contaminant Levels,Water Quality Goals 1990,CA Regional Water Quality Control <br /> Board Central Valley Region <br /> TB — Trip Blank <br /> TABLES MRM <br />