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ia, R ■� lir � � > � 1 1 I♦ <br /> TABLE 2 <br /> ANALYTICAL TESTING RESULTS <br /> Montgomery Ward Auto Service Center <br /> Former Unocal Branded Service Station#5098 <br /> Stockton,California <br /> parts per billion <br /> Page 12 of 13 <br /> Sample ID DTW TPH-G BENZENE N-BUTYL 1,2-DCA EB I IPB MTBE NAPHT N-PB TOLUENE 1,2,4-TMB 1,3,5-TMB XYLENES <br /> 09/16/97 4456 <50 <0 50 NA NA <0 50 NA <5 0 NA NA <0 50 NA NA <0 50 <br /> 12/10/97 NM NS NS NS NS NS NS NS NS NS N5 -NS NS NS <br /> 03118/98 NM NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> 06/24/98 _ NM NS NS NS _ NS NS NS NS NS NS NS NS _ NS NS <br /> 09/15/98 3847 <50 <050 NA NA <0 50 NA 77 NA NA <0 50 NA NA <10� <br /> MW-17 <br /> 12/19/95 4613 <50 13 _ NA NA <0 50 NA NA NA NA <0 50 NA NA 093 <br /> 03/11/96 E <br /> <50 <0 50 NA NA <0 50 NA <5 0 NA NA <0 50 NA NA <0 50 <br /> 06/19/96 <50 <0 50 NA NA <0 50 NA <5 0 NA NA <0 50 NA NA <0 50 <br /> 09/17/96 <50 <0 50 NA NA <0 50 NA <5 0 NA NA <0 50 NA NA <0 50 <br /> 12/05/96 NS NS NS _ NS NS NS NS NS NS NS NS NS NS <br /> 03/24197 NM NS NS F NS NS NS NS NS NS NS NS NS NS NS <br /> 06/18/97 NM NS NS NS NS NS NS NS NS NS NS _ NS _NS NS <br /> 09/16/97 46 10 <50 <0 50 NA NA <0 50 NA <5 0 NA NA <0 50--- NA_ NA <0 50 _ <br /> 12/10/97 NM NS NS _ NS NS NS NS_ NS _ NS NS NS NS_ NS NS _ <br /> 03/18/98 NM NS NS NS NS NS NS NS NS NS NS�NS NS NS <br /> 06/24/98 NM NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> 09/15/98 4058 <50 <0 50 NA NA <0 50 NA <5 0 I NA _ NA <0 50 NA —NA <1 0 <br /> NOTESOnly compounds which were detected are shown on this table — <br /> (1 ) Samples taken on 12-19-95 were analyzed outside of their holding time An additional compound, 1,2-Dichloropropane was detected in Montgomery Ward well MW-1 (5 3 ppb)sampled on 12-06-94 <br /> An additional compound, 1,2-Dichloropropane was detected in Montgomery Ward well MW-1 (1 3 ppb)sampled on 02-08-95 <br /> An additional compound, 1,2-Dtchloropropane was detected in Montgomery Ward wells MW-I (1 6 ppb)and MW-4(1 3 ppb)__ <br /> sampled on 06-21-95 Methylene chloride was also detected in wells MW-3 (4 8 ppb)and MW-4 (2 4 ppb),respectively I — <br /> Methylene chloride is interpreted to be the result of laboratory contamination l <br /> Project No 1232 ENVIRONMENTAL AUDIT, INC R <br />