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h <br /> Table 3. Analytical Results <br /> ARCO Station 434, Lodi, California <br /> Monitoring well <br /> number Concentrations to ulaIl <br /> and date sampled Benzene Ethlbenzene Toluene Xylenes TPH-G (a) <br /> W-1 <br /> 4/10/87 120 <1 0 <10 <1 0 120000 <br /> 7123/87 180 <2 5 200 190 <900 <br /> 11/13/87 1600 1400 2300 6900 147200 <br /> 1/5/89 3680 130 740 2280 - <br /> 4/10/89 2920 <50 1050 2830 - <br /> 7/11/89 1140 16 310 685 - <br /> 10/89 - - - - - <br /> Destroyed 5190 <br /> W-1A <br /> 4/23/90 490 41 81 540 <br /> 10/02/90 27 <0 5 6 8 2/t/91 100 34 24 50 - <br /> 4/t8/9 I Ito <0 5 58 63 250 <br /> 7/24/91 75 <0 5 55 46 530 <br /> 10/23/91 20 <0 5 <0 5 <0 5 200 <br /> 2111/92 18 <1 <1 <1 430 <br /> 5112/92 56 <0 5 <0 5 <0 5 220 <br /> 8/18192 65 <0 5 <0 5 <0 5 140 <br /> 11117/92 <0 5 <0 5 <0 5 <0 5 <50 <br /> 2123193 <0 5 <0 5 <0 5 <0 5 <50 <br /> 5126/93 <0 5 <0 5 <0 5 <0 5 <50 <br /> 8123193 <0 5 <0 5 <0 5 <0 5 <50 <br /> W-2 <br /> 4/10/87 4I00 680 9200 5500 64000 <br /> 7/23/87 14000 2300 25000 16000 281700 <br /> 11/13/87 6200 5600 5300 13000 343900 <br /> 6124188 3570 755 3900 3000 - <br /> 10/3/88 260 110 500 4I0 - <br /> 1/6/89 4400 510 4540 2740 - <br /> 4/6/89 4200 450 110 2620 - <br /> 7/11/89 2090 200 1500 1150 - <br /> 1018//89 496 87 206 219 - <br /> 1/22/90 3600 470 4500 5000 18000 <br /> 519/90 4900 350 4000 5000 - <br /> 10/2/90 2800 260 2300 2900 2/1/91 2600 150 1400 1600 - <br /> 4/I6/91 4300 110 2200 1700 16000 <br /> 7/2.3/91 4900 110 740 1300 16000 <br /> 10/23/91 440 64 120 410 4000 <br /> 2110/92 - = _ = <br /> 5/12/92(b) <br /> 8118192(b) <br /> 1 1/16192 (b) - - - <br /> I <br />