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f� � 11�� f� ■J• � l• f• f• � I• � � !� 1• � 1• � <br /> T E2 <br /> ANALYTICAL TESTING RESULTS <br /> Montgomery Ward Auto Service Center <br /> Former Unocdl Branded Service Station 45098 <br /> Stockton, California <br /> parts per billion <br /> Page 12 of 13 <br /> Sample ID DTW TPH-G BENZENE N-BUTYL I 1,2-DCA EB J IPB MTBE NAPHT N-PB TOLUENE 1,2,4-TMB 1,3,5-TMI3 XYLENES <br /> 09/16/97 44 56 <50 <0 50 NA NA <0 50 NA <5 0 NA INA <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 <br /> NS NS _ N5 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 —38 47 <50 <0 50 NA —NA <0 50 NA 77 NA NA <0 50 - NA - NA <1 0 <br /> MW-17 — _ <br /> 2114195 - 46 13 —<50 1 3 NA NA <0 50 I <br /> NA NA NA NA <0 50 NA NA 0 93 <br /> 1 <0 50 <br /> 03/11/96 4241 <50 <0 50 NA NA �<O�50NA <5 0 NA NA <0 50 NA NA06/19/96 4781 <50 <0 50 NA NA <5 0 NA NA <0 50 NA NA <0 50 <br /> 09/17/96 _ 49 03 _<50 <0 50 NA_ NA <0 50 NA <5 0 NA NA <0 50 NA NA <0 50 <br /> 12/05/96 4468 _NS NS _NS NS NS NS NS NS NS NS NS - NS NS <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 /> S NS NS - NS _NS NS NS NS NS NS NS NS NS <br /> 12/10/47 NM _ _ N _ _ _ � — __ - -- - <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 NA� NA <0 50 NA _ NA - <1 0� <br /> NOTES <br /> Only compounds which were detected are shown on this table _- <br /> (1 ) Samples taken on 12-19 95 were analyzed outside of their holding time _— <br /> An additional compound, I,',-Dichloropropane was detected in Montgomery Ward well MW-1 (5 3 ppb)sampled on 12-06-94 <br /> An additional compound, 1,'-Dichloropropane was detected in Montgomery Ward well MW-1 (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 MWA (1 3 ppb) <br /> sampled on 06-211-995 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 <br /> Project No 1232 ENVIRONMENTAL AUDIT, INC R <br />