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Table 3. Analytical Results for <br /> ARCO Facility 2093, Tracy, California <br /> .S <br /> Monitoring well <br /> number and Concentrations inµ <br /> date sampled Benzene Toluene Eth lbenzene X lens TPH-G(a) <br /> 9118189 1.9 0.9 1.1 8.2 9 <br /> 12/27/89 3.5 <0.3 1.1 0.3 <50 <br /> 4118/90 2.9 <0.3 <0.3 <0.3 50 <br /> 10/16/90 <0.5 <0.5 <0.5 <0.5! <50 <br /> 1/10191 0.8 <0.5 <0.5 <0.5 <50 <br /> F 4110/91 <0.5 <0.5 <0.5 <0.5 <50 <br /> 7/10/91 - <0.5 <0.5 <0.5 <0.5 <50 <br /> 9/24/91 <0.5 <0.5 <0.5 <0.5 <50 <br /> 1123/92 <0.5 <0.5 <0.5 <0.5:, <50 <br /> 4120/92 <0.5 <0.5 <0.5 <0.5:. <50 <br /> 7/8/92 2.8 <0.5 <0.5 <0.5 <50 <br /> 10/7192 5.7 <0.5 <0.5 <0.5 59 <br /> 1/18/93(b) <br /> 4/14/93 3.8 0.7 0.8 1.9 55 <br /> 8130/93 <0.5 <0.5 <0.5 <0.5 <50 <br /> 10/27/93 <0.5 <0.5 <0.5 <0.5 <50 <br /> 2/18194 0.7 0.9 <0.3 0.7 <10 <br /> 5120/94 0.9 <0.3 <0.3 <0.5;f <10 <br /> 10/7/94 <0.5 <0.5 <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 /> 4/25/95 <0.5 <0.5 <0.5 <0.5 ' <50 <br /> 7127195 <0.5 <0.5 <0.5 <0.51 <50 <br /> i <br /> 10/26/95 <0.5 <0.5 <0.5 <0.5:� <50 <br /> 2112196 <0.5 <0.5 <0.5 <0.5" <50 <br /> 4118196 <2.5 <2.5 <2.5 <2.5 <250 <br /> ATR-3 <br /> 4123187 2300 180 <5.0 2300-!o 17000 <br /> 12/22/87 5000 50 530 250 -- <br />�, 3124/88 8300 8700 440 7800! 43000 <br /> 6123188 6160 4221 1800 4750' 70000 <br /> 9/29/88 8850 17600 2190 8170 57400 <br /> 2/22/89 1000 2100 480 2000 110000 <br /> r <br /> 6/29189 890 520 250 1100,1 4500 <br /> 9/18/89 1000 1300 460 2200,' 7400 <br />+ 12/28/89 840 1400 840 5600, 27000 <br /> 4118190 1000 490 340 1500 4800 <br /> 10/16/90 1900 1300 780 46001 14000 <br /> 1110/91 610 230 160 670 2600 <br />� 4110191 910 120 110 190 .: 3000 <br /> 7/10/91 420 <br /> 340 760 19000 <br /> 9/24191 280 81 0 <br /> 69 130 2000 <br /> i <br /> 1 33151TABLESU0937UN6.XLS <br /> �a <br />