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,b1 <br /> TABLE 3 <br /> GROUND WATER TESTING RESULTS <br /> MARCH 2001 <br /> concentration in µg/L Page 4 of 4 <br /> Sample ID. ' DTW j TPH-G i BENZENE j N-BUTYL � 1,2-DCA EB IPB MTBE NAPHT N-PB TOLUENE 11,2,4-TMB 1,3,5-TMB XYLENES <br /> MW-25S _ <br /> 03/27/01 30.37 <50 <1 <1 <1 <1 <1 <2 <1 <1 <1 <1 <i 12 <br /> MW-25D _ <br /> 03/27/01 30.19 136000 9370 <100 <100 3510 232 <200 652 471 22200 29704 766 21350 <br /> Only compounds which were detected are shown on this table. <br /> 12/13/00 Well MW-13 (25.0 pg/L)also contianed methylene chloride a laboratory contaminant. Several wells contained chloroform in low concentrations. <br /> The chloroform is believed to be derived from the tap water used to decontaminate the pump and hose system. <br /> < =Not detected at or above concentration limit listed. <br /> 1,2,4-TMB = 1,2,4-Trimethylbenzene <br /> 1,2-DCA = 1,2-Dichloroethane <br /> 1,3,5-TMB = 1,3,5-Trimethylbenzene <br /> DTW =Depth to Water <br /> EB —Ethylbenzene <br /> IPB W Isopropylbenzene <br /> MTBE =Methyl Tertiary Butyl Ether <br /> N-BUTYL =N-Buty[benzene <br /> N-PB =N-Propylbenzene <br /> NA =Not Analyzed <br /> NAPHT =Naphthalene <br /> ND =Not Detected <br /> NS =Not Sampled <br /> TPH-G =Total Petroleum Hydrocarbons as Gasoline <br /> N:123 2:ANALYTICAL-DATA <br /> 1232:ANALYTICAL-DATA ENVIRONMENTAL AUDIT,INC.o <br />