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TABLE 1 GROUND WATER ANALYTICAL T ESTING RESULTS concentration in µg/L Page 21 of 21 Sample Ill DTIV TPH G i BENZENE I sec-BB i n-BUTYL i 1,2-DCA FB a 1PB NHBE' NAPHI ; n-PB f TOLUENE I 1,2,4-IAIB1,3,54MB I X]LENES NOTES Only compounds which were detected are shown on this table (1 )Samples taken on 12-19-95 were anal)zed outside of their holding time 12-06-94 1 2-Dtchloropropane was detected in well MW-1 (5 3 pg/L) 02-08-95 1,2-Dtchloropropane was detected to well MW-I (1 3 pg/L) 06-21-95 1,2-Dtchloropropane was detected in wells MW-1 (1 6 pg/L)and MW-4(1 3 pg/L), Methylene chloride tras detected in wells MW-3 (4 8 pg/L)and MW-4(2 4 gg/L,) 03-11-96 Chloroform was detected in wells MW-1 (3 7 pg/L),MW-5(3 0µg/L),and MW-6(1 3 µg/L) 06-19-96 l 2-Dtchloropropane was detected in well MW-1 (1 2 gg/L) 12-05-96 Chloroform was detected in well MW-1 (2 6 pg/L) 12-10-97 Chlorofoiin was detected in wells MW-I (1 6µg/L)and MW-5(1 2 pg/L) 09-16-98 1,2-Dichloropropane eras detected in wells MW-I (1 2 pg/L.)and VEW-5(3 4 pg/L) 09-16-98 p-lsopiopyltoluene was detected in wells MW-I (1 5 pg/L),VEW-4(8 4µg/L),and VEW-5(6 2 pg/L) 09-16-99 p-Isopropyltoluene was detected in well MW-2(I I µg/L) 09/19/00 Tetrachloroetliene was detected in well MW-18(1 4µg/L), p-isopropyltoluene was detected to mll MW-19D(I I pg/L), Several wells contianed methylene chloride,a laboratory contaminant 12/13/00 Methylene chloride,a laboaratory contaminant, was detected in well MW-13(25 0 pg/L) Several wells contained chloroform in low concentrations, The chloroform is believed to be derived from the tap water used to decontaminate the pump and hose system 09/25/01 Tetrachloroethene was detected to wells MW-27(4 1 pg/L)and MW-18(1 6µg/L) p-lsopropy Itoluene was detected in%,,ell MW-81) cn`,r 45'(25 ug/kg) e =Not detected at or above concentration limit listed 1 2,4-TMB = 1,2,4-frimeftfbenzene 1 2-DCA = 1 2-Dichloroethane 1 3 5-TMB = 1,3 5-Trunethvlbenzene DTW =Depth to Water EB =l.thylbenzene IPB —lsopiopvlbenzene M1 BE =Methyl Tei tiar; Butyl Ethei N-BUTYL =n-But)lbenzene N-PB =n-Propylbenzene NA —Not Analyzed NAPHT =Naphthalene i ND =Not Detected NS =Not Sampled sec-BB =sec-Butylbenzene 1 PH-G =71 otal Petroleum Hydrocarbons as Gasoline N 1232 ANALYTICAL DATA 1232 ANALYTICAL-DATA ENVIRONMENTAL AUDIT INC