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i <br /> TABLE 5-2 (continued) <br /> SUMMARY GROUND WATER SAMPLE ANALYTICAL RESULTS <br /> HALOGENATED VOLATILE ORGANICS <br /> See Figure 2-2 for approximate location of monitoring wells. <br /> Halogenated Volatile Organics analyzed by EPA Method 601. Constituents analyzed for using EPA method 601 but not listed on this table were not detected <br /> above the method detection limits in any sample. <br /> The summed geometric mean concentration was calculated by summing the geometric means of each constituent,for all available quarterly sampling analytical <br /> results. When there was no detection above the method detection limit, the geometric mean of one half of the lowest detection limit for all of the quarterly <br /> analytical data for that constituent was used in the computation of the geometric mean concentration. <br /> a Chloroform detected at 1.2µg/l. <br /> r Bromodichloromethane detected at 3.1 µg/l and dibromochloromethane detected at 2.0 µg/l. <br /> Chloroform detected at 3.0 µg/l, bromodichloromethane detected at 5.4, dibromochloromethane detected at 5.2. <br /> l,l-DCE 1,1-Dichloroethene MCL Maximum contaminant level. Primary MCLS of California <br /> 1,1-DCA 1,1-Dichloroethane Department of Health Services, drinking water standards. <br /> µg/l Micrograms per liter <br /> 1,2-DCE 1,2-Dichloroethene <br /> O Duplicate sample result. <br /> 1,1,1-TCA 1,1,1-Trichloroethane <br /> NA Not analyzed. <br /> TCE Trichloroethene <br /> PCE Tetrachloroethene NI Well not installed at the time of sampling. <br /> NS Well not sampled. <br /> < Symbol denotes concentration not detected above method detection <br /> limit as noted. When less than 100% of the quarterly sampling events had detections, the <br /> minimum concentration detected was taken to be t/2 of the lowest detection <br /> limit. <br /> /u/cs ing/tract'/ri/tables/ritbl-5-2 5-2-36 <br /> rim <br />