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TABLE 2 ANALYTICAL TESTING RESULTS Montgomery Ward Auto Set vice C.entet ' Former Unocal Branded Set vice Station 95098 PaL,,e 7 of 7 Stockton, Calitornin parts per billion S-imple ID DTW TPH-G Benzene I Toluene jEffivibenzenel Xylenes I 1,2-DCA I MTBE 09/17/96 4903 <50 <0 50 <0 50 <0 >0 <0 50 1 NA <5 0 12/05/96 4468 NS NS NS NS NS I NS NS 03/24/97 NM NS NS NS NS NS N5 NS ' 06/18/97 NM NS NS NS NS NS I_ NS NS 09/16I97 46 10 <50 <0 50 <0 50 10 50 <0 50 NA �� 0 I ' NOTES i Only compounds which were detected are sho+tin on this table (1 ) Samples taken on 12-19-95 «ere analyzed outside of their holding time � I ' TPH-G-Total Petroleum Hydrocarbons as Gasoline ! ! MTBE-Methyl Tertiary Butyl Ether 1 2-DCA- 12-Dichloroethane I ' An additional compound 12-Dichloropropane+,,as detected in MontgomerN Ward t�,cll MW-1 (5 3 pph) trampled on 12-06-94 An additional compound 12-Dicliloropropane�A a,detected in Montgomei� 1y ant a cl I MW-1 (1 3 ppb) sampled on 02-08-95 An additional compound 1 2-Dichloroprop,ine%%as detected in Montgomc rN Ward ��,clls M W-I (1 6 ppb)and M-4{1 3 pph t aampled on 06-21-95 McthylLne chloride%,ras alai detected in wells NIW-3 (4 8 pph)and N1W-4(2 4 pph) respecti'eh Methylene chloride is inter preted to be the result of laboratery contamination An additional compound chlorotorm %gas detected in \1ontgomery Ward ,%ells %1"-1 (3 7 ppb) MW-5(3 0 ppb) and NM-6 (1 3 ppb)sampled on 03-11-96 ' An additional compound 1,2-Dichloropropane(1 2 ppb)was detected in MontgoinLry Ward�kell \IW-1 trampled on 06-19-96 An additional compound,chlorotorm�,Nas detected in Montgomery Ward N+ell 1VIW-1 (2 6 ppb)on 12-05-96 NA- Not Analyzed i of ctecte i - i of amp e - Depth to atLr I <.Not detected at or abovf,concentration limit listed ' K 1232 ANAL-ELV XLS 1 ' Project No 1232 ENVIRONMENTAL AUDIT, INC