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Table 3. Analytical Results for <br /> • ARCO Facility 2093, Tracy, California <br /> Monitoring well <br /> ( number and Concentrations in g <br /> date sam led Benzene Toluene Eth (benzene Xylenes TPH-G (a) <br /> 2122189 1300 82 54 170 22000 <br /> 6129189 590 38 97 220 1300 <br /> 9/18/89 280 13 49 100 630 <br /> 12/28/89 500 25 56 160 1300 <br /> 4118/90 150 5.1 35 63 440 <br /> 10/16/90 26 41 4.8 0.38 380 <br /> I/10/91 150 3.1 30 35 330 <br /> 4110191 8.4 <0.5 <0.5 24 500 <br /> 7110/91 39 <0.5 3.7 3 190 <br /> 9/24191 22 <.05 4.2 1.5 70 <br /> 1123/92 300 5.2 49 72 1200 <br /> 4/21/92 150 <5 36 29 560 <br /> 718192 150 2.1 36 39 590 <br /> 10/8192 240 4.8 62 97 1200 <br /> 1119/93 240 5.5 44 90 1200 <br /> 4/15/93 160 4.2 47 63 E 810 <br /> 8/31/93 33 <0.5 6 13 100 <br /> 10/27/93 12 1.2 E 7.9 16 200 <br /> 2/18194 140 5 73 30 950 <br /> 5120194 590 5.9 190 220 8100 <br /> 1017194 30 1 16 7.3 1100 <br /> 12/16/94 310 2.3 " 350 200 1600 <br /> 2128195 180 <5(e) 750 100 4600 <br /> f 4126/95 19 <1 (e) <br /> 110 8.3 1100 <br /> 7127/95 12 <2.5(e) 170 8.4 1700 <br /> 10/27/95 7 <1 (e) 30 2 600 <br /> 2/12/96 <0.5 <0.5 340 150 6300 <br /> ATR-5 <br />'F 3/10/89 693 <5.0 327 7 6600 <br /> 6129189 490 2.4 280 1.3 2200 <br /> 9/18189 68 1.1 63 5.8 1000 <br /> 12/27/89 94 2 150 <1 2200 <br /> 4/18/90 120 2.6 6.8 140 1900 <br /> 10/16/90 18 4.7 79 16 1000 <br /> 1/10191 7.1 1.2 16 2.6 350 <br /> 4/10/91 4.6 <0.5 7 <0.5 370 <br /> 7/10/91 9.5 <0.5 18 1.5 1200 <br /> 9124/91 <0.5 <0.5 <0.5 <0.5 <50 <br /> 1/23192 1.4 1.5 1.5 <0.5 180 <br /> 4/21/92 1.6 <0.5 2 <0.5 290 <br /> 7/8/92 <0.5 <0.5 0.6 <0.5 240 <br /> 10/8192 <0.5 <0.5 <0.5 <0.5 160(f) <br /> 1119193 2.5 <0.5 7.9 1.3 1000 <br /> 4/15/93 1.5 <0.5 8.3 0.9 8I0 <br /> j 8131193 <0.5 <0.5 <0.5 <0.5 80 <br /> 10/27/93 <0.5 <0.5 <0.5 <0.5 63 <br /> 2/18194 3 5 1 4 160 <br />� n <br /> 5/20194 <0.3 2 ;; 1.2 1.7 600 <br /> 1017194 <0.5 <0.5 <0.5 <0.5 660 <br /> 12/16/94 6.5 <0.5 <0.5 <0.5 410 <br /> 2128/95 <0.5 0.6 <0.5 <0.5 60 <br /> 4126195 <0..5 <0.5 <0.5 <0.5 83 <br /> 7/27/95 <0.5 <0.5 <0.5 1.2 58 <br />