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1' <br /> SIERRA <br /> Table 2 Analytic Results for Ground Water-Volatile Organic Compounds-Chevron Service Station#9-6171, 6633 Pacific Avenue, <br /> Stockton, California (continued) <br /> EXPLANATION ANALYTIC LABORATORIES <br /> 1,2-DCA= 1,2-Dichloroethane APPL=Agriculture&Priority Pollutants Laboratories, Inc of Fresno, California <br /> 1,1-DCA= 1,1-Dichloroethane SAL= Superior Analytical Laboratory of San Francisco, California <br /> TCE=Trichloroethene GTEL=Groundwater Technology Environmental Laboratories, Inc of Concord <br /> PCE=Tetrachloroethene California <br /> B=Benzene <br /> T=Toluene NOTES <br /> E=Ethylbenzene <br /> X=Xylenes ` Well has been dry since December 15, 1989 sampling event <br /> VOCs=Volatile Organic Compounds 2 Chloroform detected at 1 4 ppb Other VOCs not detected at detection limits of 0 5 to 1 0 <br /> ppb=Parts per billion ppb <br /> ND Not detected s Not detected at detection limits of 0 5 to 10 ppb <br /> Not detected at detection limits of 3 to 20 ppb <br /> ANALYTIC METHODS 5 BTEX concentrations included on Table 2 Other VOCs not detected at detection limits <br /> of 5 to 50 ppb <br /> 8240=EPA Method 8240 for VOCs <br /> 624=EPA Method 624 for VOCs <br /> 14604T GWV <br />