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TAI • J
<br /> Groundwater Elevation and Analytical Data
<br /> ARCO Service Station No 2186
<br /> 3212 North California Street Stockton,California
<br /> TOC Static Water[l] Screen Groundwater Ethyl- Total
<br /> well Sample Elevation Level Interval Elevation Groundwater TPHg Benzene Toluene benzene Xylenes MtBE[3]
<br /> Sample No Date it msl it b s ft b s ft msl Flow Direction L p p p 1L L juIL Observations
<br /> MW 1 9/25/1995 1465 5805 456747 4340 SE 20,000 780 2,000 690 4 100 NA No FP,No S
<br /> 10/23/1995 5789 -4324 20,000 590 1,100 600 3,600 NA No FP,No S
<br /> 12/22/1995 5378 -3913 E 730 35 <1 0[2] 13 13 NA No FP,No S
<br /> 2/16/1996 5013 -3548 E 1,200 22 <1 0[2] 51 24 NA No FP,No S
<br /> 5/23/1996 4535 3070 E 760 90 10 22 50 <50 No FP,No S
<br /> 9/19/1996 5363 -3898 NE 10,000 480 570 520 700 <50' No FP,No S
<br /> 11/27/1996 5077 -3612 SE 19 000 700 1,800 B20 2,200 <100` No FP,No S
<br /> 3/21/1997 4Z06 2741 SE 5,300 260 210 200 440 <30" No FP,No S
<br /> 5/2211997 4389 2924 E NE 25,000 920 1,900 1,400 3,500 <120' No FP,No S
<br /> 8/20/1997 4983 3518 E NE 31,000 1,000 2,800 1,300 4,000 <500" No FP,No S
<br /> 11/20/1997 4907 3442 E 24,000 830 1900 1,100 3,600 <1,000" No FP,No S
<br /> 2/17/1998 4432 2967 E-SE 19,000 680 990 980 3200 <100" No FP No S
<br /> 6/24/1998 3579 21l4 E 505 275 <2 5 602 973 <25 No FP, No S
<br /> 9/21/1998 3935 2470 E NE 18,900 792 1,410 1,130 3,690 <125 No FP,No S
<br /> 12/14/1998 3734 2269 E NE 13,800 613 449 696 2 800 <100 No FP,No S
<br /> MW 1 (Discrete) 12/14/1998 3734 2269 E NE 7,170 424 161 527 848 <100 No FP, No S
<br /> 3/31/1999 3414 1949 N-NE 817 432 <0 5 <0 5 <0 5 <50 No FP,No S
<br /> 6/11/1999 3422 1957 E-NE 7,310 397 162 543 1,500 <50 No FP,No S
<br /> 9/10/1999 3841 2376 E-NE 22,800 941 1,180 1,410 4,450 2,590 No FP,No S
<br /> 12/3/1999 3834 2369 E 15,400 552 155 907 2,680 517 No FP,No S
<br /> 4/3/2000 3500 2035 NE 6,940 534 <20 518 1 260 334 No FP,No S
<br /> 6/22/2000 3513 -2048 E 14,700 675 144 744 2,500 114[4] No FP,No S
<br /> 9/27/2000 4046 -2581 E-NE 1,190 531 202 843 2,140 4,500[4] No FP,No S
<br /> 10/19/2000 4025 -2560 E-NE NA NA NA NA NA NA Not observed
<br /> 12/20/2000 3833 -2368 E-NE 14,600[5] 704 ill 741 2,870 2000 No FP,No S
<br /> 3/16/2001 3725 2260 E-NE 16,800[5] 1,210 802 848 4,230 2,190[4] No FP,No S
<br /> 6/21/2001 4002 2537 NE 24,000[5] 1,000 380 980 4,100 28,000[4] No FP, No S
<br /> 9/13/2001 4582 3117 E NE 38,000 2,200 2,200 2,100 8,800 4,500[4] No FP, No S
<br /> 12/11/2001 4305 2840 NE 13,000 920 430 780 3 100 8,800[4] No FP,No S
<br /> 3/14/2002 3999 2534 E NE 6,800 620 120 420 1 500 4,700[4] No FP,No S
<br /> 6/19/2002 4230 2765 E NE 12,000 430 320 310 1,200 17,000[4] No FP,No S
<br /> 9/12/2002 4918 3453 E NE 64,000 2,900 4,100 3,100 14,000 3,100 No FP,No S
<br /> 12/3/2002 4624 31 59 E NE 30,000 1,700 950 11500 5,700 3,100 No FP,No S
<br /> 3/11/2003 4556 -3091 NE <5,000 360 <50 <50 <50 3,200 No FP,No S
<br /> 6/9/2003 4241 2776 E-NE <2,500 79 <25 <25 <25 10,000 No FP,No S
<br /> 9/17/2003 51 26 -3661 NE 2,300 230 <50 <50 <50 3,600 No FP,No S
<br /> 12!1112003 4540 - -3075 _ NE-SW 12,000 970 860 1,000 3,900 3,209 d No FP,No S
<br /> K UprxessV5 BP ARM021 MQuarterIM QTR=186 GWMR 4003 Page 1 of e
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