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Table 3. Analytical Results for <br /> ARCO Facility 2093, Tracy, California <br /># Monitoring well <br /> number and Concentrations in µ <br /> x <br /> date sampled Benzene Toluene Ethlbenzene Xylenes TPH-G(a) <br /> ATR-6 <br /> 3/10189 <0.5 <0.5 <0.5 <0.5 <200 <br />' 6/21189 <0.3 <0.3 <0.3 0.3 ii <50 <br /> 9/18/89 0.5 1.3 0.3 3.8 ; <50 <br /> 12/27/89 <0.3 <0.3 <0.3 0.4 <50 <br /> 4/18/90 <br /> 19 2.4 0.6 5 <50 <br /> 10/16/90 . _ <0.5 <0.5 <0.5 <0.5' <50 <br /> 1110/91 <0.5 <0.5 <0.5 <0.5 <50 <br /> 4/10/91 <0.5 <0.5 <0.5 <0.5 : <50 <br /> E 7/10/91 <0.5 <0.5 ± <0.5 <0.5 <50 <br /> 9/24/91 <0.5 <0.5 1 <0.5 <0.5'; <50 <br /> I/23/92 <0.5 <0.5 <0.5 <0.5 <50 <br /> 4121/92 <0.5 <0.5 <0.5 <0.5:, <50 <br /> 718192 <0.5 <0.5 ' <0.5 <0.5 <50 <br /> 10/7/92 <0.5 <0.5 1: <0.5 <0.5' <50 <br /> 1/18/93 <0.5 <0.5 <0.5 <0.5 <50 <br /> 4/14/93 75 <0.5 <0.5 <0.5 310 <br /> 8/31193 (h) -- -- - _ -- <br /> 10/27/93 <0.5 <0.5 � <0.5 <0.5 <50 <br /> 2/17/94(h) -- -- -- -- _ <br /> 5/20/94 (h) <br /> 1017194 <0.5 <0.5 i <0.5 <0.5 . <50 <br /> 12/16/94 <0.5 <0.5 <0.5 <0.5 <50 <br /> 2/28/95 <0.5 <0.5 <0.5 <0.5 <50 <br /> 4/26195(i) -- -- -- __ -- <br /> 7/27/95 (c,i) -- -- -- __ <br /> 10/26/95 < c < <br /> 0,5 0 < < <br /> .5 0,5 0.5 50 <br /> 2/12/96 <0.5 <0.5 <0.5 <0.5 <50 <br /> 4118196 -- _ <br /> ATR-7 <br /> 3110/89 <0.5 <0.5 ;; <0.5 1.7 <200 <br /> II 6/21/89 1 <0.3 �� 0.6 0.5 <50 <br /> 9/18/89 0.4 <0.3 <0.3 1.1 <50 <br /> 12/27/89 10 0.9 2.7 7.9 `' 90 <br /> 4118/90 6.1 2.6 2.1 5.8 <50 <br /> 10/16/90 <0.5 <0.5 <0.5 <0.5 <50 <br /> 1/10/91 6 <0.5 1.8 4.1 <50 <br /> 4/10191 -- _- <br /> 7110/91 -- -- -- -- <br /> 9/25/91 1.3 <0.5 <0.5 <0.5 <50 <br /> } 1/23/92 <br /> tird -- <br /> 4120/92 <br /> 33151TABLXS120931U\6-M <br /> s- <br /> it <br /> a <br />