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Table 3 Analytical Results <br /> ARCO Station 2093, Tracy, California (cont'd) <br /> Monitoring well <br /> number Concentrations in u-/1 <br /> and date sampled Benzene Toluene Etb (benzene Xylenes TPH-G (a) <br /> 7/10/91 39 <0 5 37 3 190 <br /> 9/24/91 22 <05 42 1 5 70 <br /> 1/23/92 300 52 49 72 1200 <br /> 4/21/92 150 <5 36 29 560 <br /> 718/92 150 2I 36 39 590 <br /> 10/8/92 240 48 62 97 1200 <br /> 1/19/93 240 55 44 90 1200 <br /> 4/15/93 160 42 47 63 810 <br /> 8/31/93 33 <0 5 6 13 100 <br /> 10/27/93 12 12 79 16 200 <br /> 2/18/94 140 5 73 30 950 <br /> AIR-5 <br /> 3/10/89 693 <5 0 327 7 6600 <br /> 6/29/89 490 24 280 1 3 2200 <br /> 9118189 68 I 1 63 58 1000 <br /> 12/27/89 94 2 150 <1 2200 <br /> 4/18/90 120 26 68 140 1900 <br /> 10/16/90 18 47 79 16 1000 <br /> 1/10/91 7 1 1 2 16 26 350 <br /> 4/10191 46 <0 5 7 <0 5 370 <br /> 7110/91 95 <0 5 18 1 5 1200 <br /> 9/24/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 1/23/92 14 1 5 1 5 <05 180 <br /> 4/21192 16 <0 5 2 <0 5 290 <br /> 7/8/92 <0 5 <0 5 06 <0 5 240 <br /> 10/8/92 <0 5 <0 5 <0 5 <0 5 160 (d) <br /> I/19/93 25 <0 5 79 l 3 1000 <br /> 4/15/93 15 <0 5 83 09 810 <br /> 8131193 <0 5 <0 5 <0 5 <0 5 80 <br /> 10/27/93 <0 5 <0 5 <0 5 <0 5 63 <br /> 2/18/94 3 5 1 4 160 <br /> ATR-6 <br /> 3/10/89 <0 5 <0 5 <0 5 <0 5 <200 <br /> 6/21189 <0 3 <0 3 <0 3 03 <50 <br /> 9/18/89 05 1 3 03 38 <50 <br /> 12/27/89 <0 3 <0 3 <0 3 04 <50 <br /> 4/18/90 19 24 06 5 <50 <br /> 10/16/90 <0 5 <0 5 <0 5 <0 5 <50 <br /> 1/10/91 <0 5 <0 5 <0 5 <0 5 <50 <br /> 4/10/91 <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 /> 1/23/92 <0 5 <0 5 <0 5 <0 5 <50 <br /> 4121192 <0 5 <0 5 <0 5 <0 5 <50 <br />