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NEON <br /> MJMW <br /> sum MOMM 11111 k doom mu** IMM9 aw" iiiiwiiiiiiiiMMPM MEMMslo � mom\ M - --r <br /> 111 . "MW <br /> TABLE 4 <br /> CURRENT GROUND WATER ANALYTICAL TESTING RESULTS <br /> Wards and Unocal Wells <br /> December 2002 <br /> concentration inµg/l, <br /> Sam le ID I Unit I DTW LTM-G BENZENE sec-BB IN-BUFYLjl,2-DCAj ER I IPB MTBE NAPHT N-PB I TOLUENE 1,2,4-1M6 1,3,5-rllm XYLFNESI METHANOL ETHANOL <br /> I <br /> MW-221) <br /> 112/01/02 B 1 3462 1 110 1 26 <05—.'I. <05 <0 5 <0 5 <0 5 <2 0 <2 0 <0 5 1 <0 5 <0 5 -<0 5 <05 NA NA <br /> IMW-23S _ <br /> 112/03/02 C 34 80 364 ' 16 <05 <05 <05 1 15 07 <2 0 6 3 l 6 1 20 j 9 19 1 2 8 62 NA NA <br /> I <br /> MW-23D , <br /> {12/03/02 D 3460 240 10 <055 <0 5 <0 5 7 8 _1L_<0 5 E <2 0 3 5 70 95 12 F 17"0 93 1 28 NA NA E <br /> MW-24S f <br /> 12/41 C 3487 i 1500 _ 470 ;' <50 i <50- -j <50 100 <50 <200 ; 200 <50 1 <50 160 <50 <50 NA , NA <br /> IMW-24D <br /> 12/01/02 1 D 3503 <50 59 <05 -T <0 5 F <0 5 ! <0 5 _<65 <20 I <20 <05 065 E <0 5 <Q 5 0 78 IVA NA 1 <br /> MW-255 <br /> 1i 2102102 A—�A NS- NS I NS NS NS NS_ NS NS I NS NS ; NS NS N5 NS I�3S NS I <br /> BMW-25D ._ ..- <br /> 12/02/02 B NA NS I NS NS NS N5 NS NS i NS �� NS NS _ NS NAA�NS I NS NS INS <br /> AS-26 f <br /> 12103102 B i 3562 F 200 1 5 5 <0 S 3 <0 S <0 5 5 7 <0 S 1 <2 0 3 3 0 85 7 8 5 7 1 5 25 NA 1 NA <br /> !MW-27 <br /> 12/02/02 B 34 74 1 <50 � <0 5 <0 5 <0 5 <0 5 < < < < <br /> i <br /> � OS Q5 20 2 � < < <br /> � � I k � �0 4S <05 <OSI NA I NA � <br /> NOT ES <br /> Unit=Hydrostratigraphic Unit in which the well is screened <br /> Only compounds which were detected are shown on this table <br /> 12/03/02 p-Isopropyholuene(19pg/L)and Styrene(1 5 uglL)were detected in well MW-I I <br /> Vinyl chloride was detected ui +ell MW-17(2 6 gg/L),Tetrachloroethene was detected to wells MW-18(0 92 pg/L),MW-23D(0 82µg/L),AS-26(0 65 pg/L)and MW-27(4 1 4g/L) <br /> n <br /> T chloroethene was detected in well MW-27(1 8 pg/L) <br /> p-Isopropyltoluene was detected in well MW-8D e 45'(25 gg/lcg) <br /> <=Not detected at or above conef ntration limit listed <br /> DTW=Depth to Water EB =Ethylbenzene N-PB=n-Propylbenzene NA =Not Analyzed <br /> 1,2,4-TMB = 1,2,4-Trjmcthylbenzene IPB =lsoprop)lbenzene NAPHT-Naphthalene ND=Not Detected <br /> 1,2-DCA =1,2-Dichloioethane MTBE=Methyl Iertiary Butyl Ether sec-BB=sec-Bulylbenzene NS =Not Sampled <br /> 1,3,5-TM13 = l 3 5-1nmethylbenzene N-BUTYL�n-Bulylbenzene TPH-G= l olal Petroleum Hydrocarbons as Gasoline <br /> 1232 ANALYTICAL DATA Page 3 of 3 ENVIRUIIMENTAL AUDIT,INC <br />