ARCHIVED REPORTS XR0000813 - Laserfiche WebLink

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TABLE 1 • Groundwater Monitoring Data ARCO Service Station No 2186 3212 North California Street, Stockton,California Elevation of Static Water[1] Screen Elevation of Total Well Top of Casing Level Interval Groundwater Groundwater TPHG Benzene Toluene Ethylbenzene Xylenes MTBE[3] Sample No Date (feet msl) (feet b s) (feet b s) (feet msl) Flow Direction ppb ppb ppb ppb ppb pLb Observations MW-3 9/27/2000 4007 -2552 E NE <50 <0 5 <0 5 <0 5 <0 5 4 98[4] No 1~P No S (Cont) 10/19/2000 3996 -2541 E-NE NA NA NA NA NA NA 12/20/2000 38 11 -2356 E-NE <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP No 5 3/16/2001 3703 -2248 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[4] No FP No S 6/21/2001 3970 -25 15 NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[4] No FP No S 9/13/2001 4540 -3085 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[41 No FP No S 12111/2001 4281 -2826 NE <50 <0 50 <0 50 <0 50 <0 50 <2 0[4] No FP No S 3/14/2002 3976 2521 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50f4] No FP,No S 6/1912002 4197 -2742 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP No S 9/12J2002 4878 -3423 / E NE <50 <0 5 <0 5 <0 5 <0 5 <0.5 No FP,No S MW-4 11/20/1997 13 83 4836 45-65 -3453 E 89 10 1 1 063 20 11 No FP No S 2/17/1998 4355 -2972 E-SE 180 057 <0 5 <0 5 059 29 No FP No S 6/24/1998 3506 -21 23 E <50 <0 5 <0 5 <0 5 <0 5 162 No FP No S 9/21/1998 3867 -2484 E NE 131 <0 5 <0 5 1 15 167 262 No FP No S 12/14/1998 3661 -2278 E-NE 136 108 <0 5 <0 5 <0 5 29 1 No FP,No S 3/31/1999 3385 -2002 N-NE <50 <0 5 <0 5 <0 5 <0 5 796 No FP,No S 6/1111999 3347 -1964 E-NE 194 <0 5 <0 5 <0 5 <0 5 41 No FP No S 9/10/1999 3772 -23 89 E-NE 213 148 <0 5 <0 5 <0 5 1,100 No FP No S 12/3/1999 3764 -23 81 E 641 <0 5 <0 5 <0 5 <0 5 731 No FP,No S 4/3/2000 3430 -2047 NE <50 <0 5 <0 5 <0 5 <0 5 166 No FP No S 6/22/2000 3437 -2054 E 232 <2 0 <2 0 <2 0 <2 0 2 070[4] No FP No S 9/27/2000 3980 -2597 E NE 185 160 <0 5 0 542 1 17 6 590[4] No FP,No S 10/19/2000 3959 -2576 E NE NA NA NA NA NA NA 12/20/2000 1768 -23 85 E NE <50 <0 5 <0 5 <0 5 <0 5 1 170 No FP No S 3/16/2001 3650 -2267 E NE <50 <0 5 <0 5 <0 5 <0 5 48 l[4] No FP,No S 6/21/2001 3937 -2554 NE <50 <0 5 <0 5 <0 5 <0 5 590[4] No FP No S 9/13/2001 45 12 -31 29 E NE 150 <0 5 <0 5 <0 5 <0 5 7 600[4] No FP,No S 12/11/2001 4243 -2860 NE 84[7] <0 50 <0 50 <0 50 <0 50 5 600[4] No FP,No S 3/14/2002 3926 -2543 E NE 88171 <0 50 <0 50 <0 50 <0 50 4 900[4] No FP,No S 6/19/2002 4146 -2763 E NE 540[7] <0 50 <0 50 <0 50 <0 50 2 900[4] No FP No S 9/12/2002 4862 -3479 — E-NE <50,000 <500 <500 <500 <500 16,000 No FP,No S MW-5 9/13/2001 1276 45 13 -3237 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[4] No FP No S 12/11/2001 4180 -2904 NE <50 <0 50 <0 50 <0 50 <0 50 <2 0[41 No FP,No S 3/14/2002 3870 -2594 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[41 No FP,No S 6/19/2002 4157 -28 81 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP No S 9/12J2002 4874 -3598 E NE <50 <0 5 <0 5 <0 5 <04 <0 5 No FP,No S MW 6 9/13/2001 1382 4576 -3194 E NE <50[6] <0 5[6] <0 5[6] <0 5[6] <0 5[6] <2 0[4]16] No FP,No S 12/11/2001 4264 -28 82 NE <50 <0 50 <0 50 <0 50 <0 50 <2 0[4] No FP No S 3/14/2002 3955 2573 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP No S 6/19/2002 4157 -2775 E-NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP,No S 9/12!2002 49.30 -3548- E NE <50 <0 5 <0 5 <0.5 <0 5 <0 5 No FP,No S K U5 RP ARC05Q2I86%Quanc0 1_QTR 0212186 GWMR 3902