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within two hours. The laboratory was requested to analyze for Total Petroleum Hydrocarbons <br /> (TPH) and Benzene, Toluene, Ethyl Benzene, and Total Xylene (BTEX). <br /> The laboratory report dated August 23, 1990 reported the following: <br /> Sample No 90-0817-1 <br /> Method: 802 <br /> Analyte Amount Found ug/1. <br /> Benzene 1.5 <br /> Toluene 4.2 <br /> Ethyl Benzene 4.5 <br /> Total Xylene 1.4 <br /> Method: 5030/Mod. 8015 <br /> Analyte Amount Found ug/l. <br /> Gasoline ND <br /> Sample No 90-0817-2 <br /> Method: 802 <br /> Analyte Amount Found ug/l. <br /> Benzene 0.7 <br /> Toluene 2.3 <br /> Ethyl Benzene 1.9 <br /> Total Xylene 7.2 <br /> Method: 5030/Mod. 8015 <br /> Analyte Amount Found ug/l. <br /> Gasoline ND <br /> Per Primary Maximum Contaminant Level (MCLS), Drinking Water Standards, <br /> California Regional Water Quality Control Board, Central Valley Region (Board) are: <br /> Benzene 1.0 ug/l <br /> Toluene 100.0 ug/l <br /> Ethyl Benzene 680.0 ug/1 <br /> Xylene 175.0 ug/l <br /> With the exception of the Benzene concentration (1.5 ug/1) in ground-water sample No. <br /> 90-08171-1 all contaminates are below their MCLS. No gasoline contamination (TPH) was <br /> found within detection limits. See attached laboratory reports. <br /> 10 <br />