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Table 3. Analytical Results <br /> ARCO Station 434, Lodi, California <br /> Monitoring well <br /> number Concentrations in uIcy/1 <br /> and date sampled Benzene Toluene Eth Ibenzene X Ienes TPH-G (a <br /> W-1 <br /> ✓ 4110/87 120 <10 <10 <10 120000 <br /> ✓ <br /> 7/23187 180 200 <25 190 <900 <br /> 11/13/87 1600 2300 1400 6900 147200 <br /> ✓ <br /> 1/5/89 3680 740 130 2280 - <br /> v 4110/89 2920 1050 <50 2830 - <br /> ✓ 7/t1/89 1140 310 16 685 - <br /> 10/89 - - - - <br /> Destroyed 5/90 <br /> W-1A <br /> 04/23/90 490 81 41 540 <br /> ✓10102/90 27 6 <0 5 8 � <br /> ,/2/l/91 100 24 3 4 50 �� <br /> V 4118191 110 5 8 <0 5 6 3 250 <br /> ✓7124/91 75 55 <0 5 46 530 <br /> ,/10/23/91 20 <0 5 <0 5 <0 5 200 <br /> 2111192 18 <1 <1 <1 430 <br /> 5/12192 5 6 <0 5 <0 5 <0 5 220 <br /> 8118192 65 <0 5 <0 5 <0 5 140 <br /> 11/17/92 <0 5 <0 5 <0 5 <0 5 <50 <br /> 2/23193 <0 5 <0 5 <0 5 <0 5 <50 <br /> 5/26193 <0.5 <0 5 <0.5 <0 5 <50 <br /> W-2 <br /> ✓ 4/10187 4100 9200 680 5500 64000 L�bb <br /> L/ 7/23/87 14000 25000 2300 16000 281700 <br /> V 11/13/87 6200 5300 5600 13000 343900 <br /> V- 6124188 3570 3900 755 3000 - <br /> �/ 10/3188 260 500 110 410 - <br /> �/ 116189 4400 4540 510 2740 - <br /> �J 4/6/89 4200 110 450 2620 - <br /> V 7/11/89 2090 1500 200 1150 - _ <br /> 1018//89 496 206 87 219 - c4 <br /> 1/22/90 3600 4500 470 5000 18000 �! <br /> v/ 5/9190 4900 4000 350 5000 n 6-00 <br /> 1012/90 2800 2300 260 2900 p#0 W4-0 All - <br /> 2/1/91 2600 1400 150 1600 (,%60 �' C) <br /> V"4116191 <br /> V"4/16191 4300 2200 110 1700 16000 -t'Q��- r <br /> E/ 7/24/91 4900 740 110 1300 160 4el <br /> a/10/23/91 440 120 64 410 4000 /l u <br /> 2110192 - - - - - <br /> 5/12/92(b) - - - - <br /> 8/18/92(b) - - - - <br /> 11/16/92 (b) - - <br /> 2/22193 (b) - - - - - <br /> 5/25/93(b) <br />