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r r� r� r�r � � r r �r � r r r r r rr �w•jr � TABLE 1 GROUND WATER ANALYTICAL TESTING RESULTS 5400 and 5606 Pacific Avenue,Stockton,California concentration in pg/L Sample ID I DTW TP11-C j BENZENE sec-BB i n-BU r1 L j 1,2-DCA I EB I IPB AITBE,I NAPIIT I n-PB TOLUENE; 1,2,4]MB 1,3,5-I NIB 1 X2 LENES Methanol Ethanol VEW-4 03/18/98 1 3800 22400 j 3050 I <50 <SO <SD 1220 i 65 <i00 39U 19U I 465 1234 420 2907 NA NA 06124198- j 35 68 92001180 - <10 W I <10 I <50 173 13 <24 t1 18 � 114 79 I 367 I 181 738 NA NA D9116198 38 52 7110 31S 17 0 <1 0 12/22/98 ' 33 41 4240_ , 271 1-0 _<10 j <10 _81 11_ _<20 30 14 42 1 118 r 94 20$ NA NA 03/18/99 ^1 09 5160 326_ 2 8 <1 0 106/18/99 3383 2350 _ 400 <1 0 <1 0 Not accessible due to the presence of remediation equipment I I VEW-5 103/18/98 37 55 1 13100 1 2800 ; <50 1 <50 1 <50 1 1130 1 60 <100 110 160 1 210 1 50U 180 1000 NA j NA 106/24/98 j 35 57 1 28800 1830 <54 1 <50 <100 1360 661 <100 123 135 1 3610 1 1080 �1 325 4 6 NA I NA 09/16/98 j 38 47 10300 668 11 1 1 50 l 44 9 72__94848 3 1 <2 0 j 41 8i; 89 5 36 8 j 611 283 1476 NA� NA 12/22/98 33 13 16000 1 187U 1 <10 1 <10 <10 1191 0 79 <20 184 213 85 876 327 �T 1424 NA I NA j �.03/181�99 3086 14800 T_ 159( 1 <10 1 <10 j <10 982 49 <20 175 1 125 422 I 562 213 1 1839 I NA _ NA 061181 144 33 75 _ 748D1 $59 <1U <10 _; <10 543; 39 <20 184 87 1 35 688 v� 202 1 1353 NA r NA Not accessible due to the presence of remediation equipment NOTES Onh compounds which vele detected are shown on this table (I )Samples taken on 12-19-95 were anal)2ed outside of their holding time 12-06-94 1 2-Diehloropiopane was defected 1n well MWA (5 3 pg/L) 02-08-95 1 2-Dichioropiopane uas detected In well MW i (1 3 pg/L) 06-21-95 1,2-Dichloropiopane was detecte3 in wells MW-1 (1 6µg/L)and MW-4(1 3 lig/L) MetlWene chloride was detected 1n wells MW-3(4 8 lig/L)and MW-4(2 4 pg/L) 03-11-96 Chloroform was detected in well, MW-1 (3 7 pg/L) MW 5(3 0}Ig/L) and NiW 6(1 3 pg/l-) 06-19-96 1 2-Dichloropropane was detected to well MW-1 (1 2 pg/L) 12-05-96 Chlorofomi was detected in well MW-1 (2 6 lig/L) 12-10-97 Chloroform was detected in i�ell, MW-1 (1 6 pg/L)and MW-5(l 2 hg/L) 09-16-98 1,2-Dichloropiopane was detected in veils MW-1 (1 2 µg/L)and VEW-5(3 4 pg/L) 09-16-98 p-Isopropyltoluene was detected in wells MW-1 (1 5 pg/L),Vl-W-4(8 4 pg/L) and VLW-5(6 2 lig/L) 09-16-99 p-Isopropvlloluene was detected in well MW-2(1 1 µg/l,) 09/19/00 Tetrachloraethene was detected in Hell MW-18(1 4 pg/L) p-Isoprop`Itoluene was detected 1n well MW-19D(I I pg/E,) SeN eral Hells writianed methylene chloride,a laboratory contammant 12/13/00 Methylene chloride,a laboarator) contammant was detected nn we11 MW 13(25 0 p,-/L) Se\eral wells contained chloroform to low concentrations, The chloroform is beheNed to be derned from the tap eater used to decontaminate the pump and hose s%stern 09/25/01 Tetrachloroetlnene was detected in wells MW-27(4 1 ILg/L)and MW-18(1 6 lig/L) p-lsoprop�ltoWcne Nsas detects d in,well MW-8D L 45'(25 }iglkg) 12'2 ANALy TICAL DaTA Page 20 of 21 EAIIROA11EATALALDIT,IAC