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<br /> Groundwater Monitoring Data Page 1 of 4
<br /> ARCO Service Station No. 2186
<br /> 3212 North California Street
<br /> Stockton, California
<br /> ell Elevation of Static Water[1] Top of Elevation of Groundwater Total
<br /> Sample No Date To of CasingLevel Screen 2 Groundwater Flow Direction TPHG Benzene Toluene Eth lbenzene Xylenes MTBE 3 Observations
<br /> MW-1 09/25/95 1465 5805 4560 -4340 SE 20,000 780 2,000 690 4,100 No FP,No S
<br /> MW-1 10/23/95 1465 5789 -4324 --- 20,000 590 1,100 600 3,600 No FP,No S
<br /> MW-1 12/22/95 1465 5378 -3913 E 730 35 <1 [2] 13 13 No FP,No S
<br /> MW-1 02/16/96 1465 5013 -3548 E 1,200 22 <1 [2] 51 24 No FP,No S
<br /> MW-1 05/23/96 1465 4535 -3070 E 760 9 1 22 5 <5 No FP,No S
<br /> MW-1 09/19/96 1465 5363 -3898 NE 10,000 480 570 520 700 <50* No FP,No S
<br /> MW-1 11/27/96 146S 5077 -3612 SE 19,000 700 1,800 820 2,200 <100* No FP,No S
<br /> MW-1 03/21/97 1465 4206 -2741 SE 5,300 260 210 200 440 <30* No FP,No S
<br /> MW-1 05/22/97 1465 4389 -2924 E-NE 25,000 920 1,900 1,400 3,500 <120* No FP,No S
<br /> MW-1 08/20/97 1465 4983 -3518 E-NE 31,000 1,000 2,800 1,300 4,000 <500** No FP,No S
<br /> MW-1 11/20/97 1465 4907 -3442 E 24,000 830 1,900 1,100 3,600 <1,000** No FP,No S
<br /> MW-1 02/17/98 1465 4432 -2967 E-SE 19,000 680 990 980 3,200 <100** No FP,No S
<br /> MW-1 06/24/98 1465 3579 -2114 E 505 275 <2 5 602 973 <25 No FP,No S
<br /> MW-1 09/21/98 1465 3935 -2470 E-NE 18,900 792 1,410 1,130 3,690 <125 No FP,No S
<br /> MW-1 12/14/98 1465 3734 -2269 E-NE 13,800 613 449 896 2,800 <100 No FP,No S
<br /> MW-1(D,screei) 12/14/98 1465 3734 -2269 E-NE 7,170 424 161 527 848 <100 No FP,No S
<br /> MW-1 03/31/99 1465 3414 -1949 N-NE 817 432 <05 <0 5 <0 5 <5 No FP,No S
<br /> MW-1 06/11/99 1465 3422 -1957 E-NE 7,310 397 162 543 1,500 <50 No FP,No S
<br /> MW-1 09/10/99 1465 3841 -2376 E-NE 22,800 941 1,180 1,410 4,450 2,590 No FP,No S
<br /> MW-1 12/03/99 1465 3834 -2369 E 15,400 552 155 907 2,680 517 No FP,No S
<br /> MW-1 04/03/00 1465 3500 -2035 NE 6,940 534 <20 518 1,260 334 No FP,No S
<br /> MW-2 09/25/95 1549 5901 5550 -4352 SE <50 <0 5 <0 5 <0 5 20 No FP,No S
<br /> MW-2 10/23/95 1549 NM NM --- NA NA NA NA NA NM
<br /> MW-2 12/22/95 1549 5476 -3927 E <50 <0 5 <0 5 <0 5 <0 5 No FP,No S
<br /> MW-2 02/16/96 1549 5116 -3567 E <50 <0 5 <0 5 <0 5 <0 5 No FP,No S
<br /> MW-2 05/23/96 1549 4628 -3079 E <50 <0 5 <0 5 <0 5 <0 5 No FP,No S
<br /> MW-2 09/19196 1549 5453 -3904 NE <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S
<br /> MW-2 11/27/96 1549 5167 -3618 SE <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S
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<br /> 5/17/00
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