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TABLE 1
<br /> Groundwater Monitoring Data
<br /> ARCO Service Station No 2186
<br /> 3212 North California Street, Stockton, California
<br /> Elevation of Static Water[]] Screen Elevation of Total
<br /> Well Top of Casing Level Inteival Groundwater Groundwater IPilo Benzene Toluene Ethylbenzene Xyicnes MTBE[3]
<br /> Sample No Date (feet ms]) Qfeet b s feet b s (feet msl) Flow Duection pWL t L t /L L I L t L Observations
<br /> mW-1 09/25/95 1465 5805 45 6-74 7 4340 SE 20,000 780 2,000 690 4,100 NA No 1'P,No S
<br /> 10/23/95 1465 5799 -4324 20,000 590 l 100 600 3,600 NA No FP,No S
<br /> 12/22/95 1465 53 78 39 13 E 730 3 5 <1 0[2] 13 13 NA No FP,No S
<br /> 02/16/96 1465 50 13 3548 E 1,200 22 <l 0[2] 51 24 NA No FP,No S
<br /> 05/23/96 1465 4535 3070 E 760 90 1 0 22 5 0 <5 0 No FP,No S
<br /> 09/19/96 1465 53 63 3998 NE 10,000 480 570 520 700 <50* No FP,No S
<br /> 11/27/96 1405 5077 -36 12 SE 19,000 700 1,800 820 2,200 <100* No IP,No S
<br /> 03/21/97 1465 4206 2741 SL 5,300 260 210 200 440 <30* No FP,No S
<br /> 05/22/97 1465 43 89 2924 L-NL 25,000 920 1,900 1,400 3,500 <120* No FP,No S
<br /> 08/20/97 1465 49 83 35 18 E NE 31,000 1,000 2,800 1,300 4,000 <500** No FP,No S
<br /> I 1120/97 1465 4907 3442 L 24,000 830 1,900 1,100 3,600 <1,000** No 1711,No S
<br /> 02/17/98 1465 4432 -2967 E SE 19,000 680 990 980 3,200 <100** No FP,No S
<br /> 06/24/98 1465 35 79 21 14 E 505 27 5 <2 5 602 9 73 <25 No FP,No S
<br /> 09/21/98 1405 39 35 2470 h-NE 18,900 792 1,410 1,130 3,690 <125 No FP,No S
<br /> 12/14/98 1465 37 34 2269 E-NE 13,800 613 449 896 2,800 <100 No IP,No S
<br /> MW-1(Discreet) 12/14/98 1465 37 34 2269 E-NC 7,170 424 16 l 527 848 <100 No FP,No S
<br /> 03/31/99 1465 34 14 -1949 N-NE 81 7 432 <0 5 <0 5 <0 5 <5 0 No FP,No S
<br /> 06/11/99 1465 3422 1957 E-NE 7,310 397 162 543 1,500 <50 No FP,No S
<br /> 09/10/99 1465 3841 -2376 E NE 22,800 941 1,180 1,410 4,450 2,590 No FP,No S
<br /> 12/03/99 1465 38 34 -23 69 E 15,400 552 155 907 2,680 517 No 1"P,No S
<br /> 04/03/00 1465 3500 -2035 NE 6,940 534 <20 5 t 8 1,260 334 No PP,No S
<br /> 06/22/00 1465 35 13 -2048 E 14,700 675 144 744 2,500 114[4] No FP,No S
<br /> 09/27/00 1465 4046 25 81 E NE 1,190 531 202 843 2,140 4 500[4] No FP,No S
<br /> 10/19/00 1465 4U 25 2560 E-NE NA NA NA NA NA NA
<br /> 12/20/00 1465 3833 23 68 E-NE 14,600[51 704 111 741 2,870 2,000 No FP,No S
<br /> 03/16101 1465 3725 2260 E-NE [6,800[5] 1,210 802 848 4,230 2,190[41 No FP,No S
<br /> C lARCOU 1801'ab1esU 186 Qumtei ly Data X1,5 1 Of 5 Delta 5!4!01
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