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TATEsE 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 I 1 of 12 <br /> Sample ID DTW rP1I-G BENZENE N-BUTYL 1,2-DCA EB IPB NITBE NAPHT N-PB TOLUENE 1,2,4-TMB 1,3,5-TMB XYLENES <br /> 03/24/97 NM NS NS 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 4610 <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 /> NOTES <br /> Only compounds which wei a detected are shown on this table <br /> j (1 )Samples taken on 12-19-95 were analyzed outside of their holding time <br /> 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-I (1 3 ppb)sampled on 02-08-95 <br /> An additional compound, 1 2-Dichloropropane was detected in Montgomery Ward wells MW-1 (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 <br /> Methylene chloride is mtegl reted to be the result of laboratory contamination <br /> An additional compound,chloroform was detected in Montgomery Ward wells MW-1 (3 7 ppb), MW-5 (3 0 ppb), and MW-6 <br /> (1 3 ppb)sampled on 03-11-96 <br /> An additional compound, l 2-Dichloropropane(1 2 ppb)was detected in Montgomery Ward well MW-1 sampled on 06-19-96 <br /> An additional compound,chloroform was detected in Montgomery Ward well MW-1 (2 6 ppb)on 12-05-96 <br /> 1 7— <br /> An additional compound, chloroform was detected in Montgomery Ward wells MW-I (1 6 ppb)and MW-5 (1 2 ppb)on 12-10-97 <br /> < =Not detected at or above concentration limit listed <br /> 1,2,4-TMB = 1,2,4-Trimethylbenzene <br /> 1,2-DCA = 1,2-Dichlorciethane <br /> VM13 = 1,3,5-Trimethylbenzene <br /> DTW =Depth to Water <br /> E13 =Ethylbenzene <br /> IP13 =Isopropylbenzene <br /> MTBE =Methyl Tertiary Butyl Ether <br /> N-BUTYL =N-But (benzene <br /> Project No 1232 ENVIRONMENTAL AUDIT, INC H <br />