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Table 3. Analytical Results for <br /> ARCO Facility 434, Lodi, California <br /> Monitonng well <br /> number and Concentrations in ggfL <br /> date sampled Benzene Toluene Eth lbenzene Xylenes TPH-G(a) MBTE <br /> W-1 <br /> 4110187 120 <10 <10 <10 120000 -- <br /> 7/23187 180 200 <2 5 190 <900 -- <br /> 11/13/87 1600 2300 1400 6900 147200 -- <br /> 115/89 3680 740 130 2280 -- <br /> 4/10189 2920 1050 <50 2830 -- -- <br /> 7/11/89 1140 310 16 685 -- -- <br /> 10/89 -- -- -- -- <br /> Destroyed 5/90 <br /> W-1A <br /> 4/23190 490 81 41 540 -- -- <br /> 10/02/90 27 6 <0 5 8 -- -- <br /> 211/91 100 24 34 50 -- <br /> 4/18/91 <br /> -4/18191 110 59 <0 5 63 250 -- <br /> 7/24191 75 55 <0 5 46 530 -- <br /> I0/23191 20 <0 5 <0 5 <0 5 200 -- <br /> 2111192 18 <1 <1 <1 430 =- <br /> 5112/92 56 <0 5 <0 5 <0 5 220 <br /> 8/18/92 65 <0 5 <0 5 <0 5 140 11/17/92 <05 <0 5 <0 5 <0 5 <50 -- <br /> 2/23193 <05 <0 5 <0 5 <0 5 <50 -- <br /> 5/26193 <05 <0 5 <0 5 <0 5 <50 -- <br /> 8/23/93 <05 <0 5 <0 5 <0 5 <50 -- <br /> 11/17/93 <05 <0 5 <0 5 <0 5 <50 -- <br /> 3122194 <0 3 <0 3 <0 3 <0 5 <10 -- <br /> 6/23/94 <0 3 <0 3 <0 3 <0 5 <10 -- <br /> 9/28194 <0 5 <0 5 <0 5 <0 5 <50 <br /> 12/19/94 <05 <0 5 <0 5 <0 5 <50 -- <br /> 3/2/95 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 5/19/95 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 8/10195 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 11/17/95 <br /> - <br /> 11/17/95 <0 5 <0 5 <0 5 <0 5 <50 <3 <br /> 2114196 055 14 <0 5 11 <50 -- <br /> W-2 <br /> 4/10187 4100 9200 680 5500 64000 -- <br /> 7123/87 14000 25000 2300 16000 281700 -- <br /> 11/13/87 6200 5300 5600 13000 343900 -- <br /> 6/24188 3570 3900 755 3000 -- -- <br /> 1013/88 260 500 110 410 -- -- <br /> 1/6/89 4400 4540 510 2740 <br /> 4/6/89 4200 110 450 2620 -- -- <br />