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Table 3 Analytical Results <br /> ARCO Station 434, Lodi, California <br /> Monitonng well <br /> number Concentrations in u,/1 <br /> and date sampled Benzene Toluene Eth lbenzene Xylenes TPH-G(a) <br /> W-1 <br /> 4/10/87 120 <10 <10 <10 120000 <br /> 7/23/87 180 200 <2 5 190 <900 <br /> 11/13/87 1600 2300 1400 6900 1.17200 <br /> 1/5/89 3680 740 130 2280 - <br /> 4/10/89 2920 1050 <50 2830 - <br /> 7111/89 1140 310 16 685 - <br /> 10/89 - - - - - <br /> Destroyed 5/90 <br /> W-1A <br /> 4/23/90 490 81 41 540 - <br /> 10/02/90 27 6 <0 5 8 - <br /> 2/l/91 100 24 3 4 50 - <br /> 4/18191 110 5 8 <0 5 6 3 250 <br /> 7/24191 75 55 <0 5 4 6 530 <br /> 10/23/91 20 <0 5 <0 5 <0 5 200 <br /> 2111192 18 <1 <1 <1 430 <br /> 5/12/92 5 6 <0 5 <0 5 <0 5 220 <br /> . <br /> 8/18/92 65 <0 5 <0 5 <0 5 140 <br /> 11/17/92 <0 5 <0 5 <0 5 <0 5 <50 <br /> 2/23/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 5/26/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 8/23/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 11/17/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> W-2 <br /> 4/10/87 4100 9200 680 5500 64000 <br /> 7123/87 14000 25000 2300 16000 281700 <br /> 11/13/87 6200 5300 5600 13000 343900 <br /> 6/24/88 3570 3900 755 3000 - <br /> 10/3/88 260 500 110 410 <br /> 1/6/89 4100 4540 510 2740 - <br /> 4/6/89 4200 110 450 2620 <br /> 7/t 1/89 2090 1500 200 1150 - <br /> 1018//89 496 206 87 219 - <br /> 1122/90 3600 4500 470 5000 18000 <br /> 5/9190 4900 4000 350 5000 - <br /> 10/2/90 2800 2300 260 2900 - <br /> 2/1/91 2600 1400 150 1600 - <br /> 4116/91 4300 2200 110 1700 16000 <br /> 7124191 4900 740 110 1300 16000 <br /> 10/23/91 440 120 64 410 4000 <br /> 2110/92 - - - - <br /> 5112/92(b) - <br /> 8/18192(b) - - - - <br /> 11/16/92(b) - - - - <br />