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• TAW Qe3of6 <br /> Groundwater Monitoring Data <br /> ARCO Service Station No 2186 <br /> 3212 North California Street, Stockton, California <br /> Elevation of Static Water[1] Screen Elevation of Total <br /> Well Top of Casing Level Interval Groundwater Groundwater TPHG Benzene Toluene Ethylbenzene Xylenes MTBE[3] <br /> Sample No Date (feet msl) (feet b9s) (feet bl;s) (feet msl) Flow Direction 11911 µEll ILO 90 µ9J1 µ9J1 Observations <br /> MW-3 12/3/1999 38 12 -2357 E <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> (Cont) 4/3/2000 3485 -2030 NE <50 <0 5 <0 5 <0 5 <0 5 <5 0 No FP,No S <br /> 6/22/2000 3490 -2035 E <50 <2 0 <2 0 <2 0 <2 0 <2 0[4] No FP No S <br /> 9/27/2000 4007 -2552 E NE <50 <0 5 4 5 <0 5 <0 5 4 98[4) No FP No S <br /> 10/19/2000 3996 -2541 E NE NA NA NA NA NA NA Not observed <br /> 12/20/2000 38 11 2356 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> 3/16/2001 3703 -2248 E-NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[4] No FP No S <br /> 6/21/2001 3970 25 15 NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[4] No FP No S <br /> 9/1312001 4540 3085 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[41 No FP,No S <br /> 12/11/2001 4281 -2826 NE <50 <0 50 <0 50 <0 50 <0 50 <2 0[4] No FP,No S <br /> 3/14/2002 3976 2521 E-NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP,No S <br /> 6/19/2002 4197 2742 E-NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP,No S <br /> 9/12/2002 4878 3423 E-NE <50 <0 5 <0 5 <0 5 <0 5 <0 5 No FP No S <br /> 12/3/2002 4597 -3142 r E NE <50 <05 <0 5 <0 5 <0 5 <0 5 No FP,No S <br /> MW-4 11/20/1997 1383 4836 45-65 3453 E 89 10 1 1 063 20 11 No FP,No S <br /> 2/17/1998 4355 2972 E-SE 180 057 <0 5 <0 5 059 29 No FP No S <br /> 6/24/1998 3506 2123 E <50 <0 5 <0 5 <0 5 <0 5 162 No FP,No S <br /> 9/21/1998 3867 2484 E-NE 131 <0 5 <0 5 1 15 167 262 No FP No S <br /> 12/14/1998 3661 -2278 E-NE 136 108 <0 5 <0 5 <0 5 29 1 No FP No S <br /> 3/31/1999 3385 -2002 N NE <50 <0 5 <0 5 <0 5 <0 5 796 No FP,No S <br /> 6/11/1999 3347 -1964 E-NE 194 <0 5 <0 5 <0 5 <0 5 41 No FP,No S <br /> 9/10/1999 3772 -2389 E NE 213 148 <0 5 <0 5 <0 5 1,100 No FP,No S <br /> 1213/1999 3764 -2381 E 641 <0 5 <0 5 <0 5 <0 5 731 No FP No S <br /> 4/3/2000 3430 -2047 NE <50 <0 5 <0 5 <0 5 <0 5 166 No FP,No S <br /> 6/22/2000 3437 -2054 E 232 <2 0 <2 0 <2 0 <2 0 2,070[4] No FP No S <br /> 9/27/2000 3980 -2597 E-NE 185 160 <0 5 0 542 1 17 6,590[4] No FP,No S <br /> 10/19/2000 3959 -2576 E NE NA NA NA NA NA NA Not observed <br /> 12/20/2000 3768 -2385 E-NE <50 <0 5 <0 5 <0 5 <0 5 1,170 No FP,No S <br /> 3/16/2001 3650 -2267 E NE <50 <0 5 <0 5 <0 5 <0 5 481[41 No FP No S <br /> 6/21/2001 3937 -2554 NE <50 <0 5 <0 5 <0 5 <0 5 590[41 No FP No S <br /> 9/13/2001 45 12 -3129 E-NE 150 <0 5 <0 5 <0 5 <0 5 7,600[4] No FP,No S <br /> 12/11/2001 4243 -2860 NE 84[7] <0 50 <0 50 <0 50 <0 50 5,600[4] No FP,No S <br /> 3/14/2002 3926 -2543 E-NE 88[7] <0 50 <0 50 <0 50 <0 50 4,900[41 No FP,No S <br /> 6/19/2002 4146 -2763 E-NE 540[71 <0 50 <0 50 <0 50 <0 50 2,900[4] No FP,No S <br /> 9/12/2002 4862 -3479 E NE <50,000 <500 <500 <500 <500 16 000 No FP No S <br /> 12/3/2002 4554 — 3171 E-NE <50,000 <500 <500 <500 <500 6,600 No FP,No S <br /> MW 5 9/13/2001 1276 45 13 -3237 E-NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[41 No FP,No S <br /> 12/11/2001 4180 -2904 NE <50 <0 50 <0 50 <0 50 <0 50 <2 0[4] No FP,No S <br /> 3/14/2002 3870 -2594 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP,No S <br /> 611912002 4157 2111 E-NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP,No S <br /> 9/12/2002 4874 -3598 E NE <50 <0 5 <0 5 <0 5 <0 5 <0 5 No FP,No S <br /> 12/3/2002 45051-- -3229 &NE 81 <0 5 <0 5 _ _ <0 5 18 <0 5 No FP,No S <br /> K U5 BP ARC0+02186%QuartcrlyW QTR OZU186 GWMR 4Q02 <br />