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I'�ge3of6 Table 1 Groundwater Elevation and Analytical Data ARCO Service Station#4932 16 E Larding Way Stockton CA Weil Depth Groundwater LPH Groundwater Ethyl- Xylenes MtBE MtBE Well, r Date, Elevation to Water Elevation Thickness Elevation TPHg Benzene Toluene benzene (total) 8020 (802018260) DO Number L' Sampled, (ft,m8p_ (ft,TOC) (ft.MSL)__- (ft) Change(ft) (Ppb) (Ppb) (ppb) (Ppb) „(Ppb) (ppb) (mgt) MW 7 07/20/01 P 11 00 26 73 1573 000 - <50 <0 50 <0 50 <0 50 <050 180 <2 0 -- 10/22/01 P 2862 1762 0 00 1 89 120 43 <0 50 <0 50 <0 50 78 <2 0 1 81 01/15/02 P 2798 -1698 000 0 64 94 <0 50 1 4 <0 50 0 92 33 <0 50 3 6 04/11/02 P 2715 -1615 000 063 <50 <0 50 <0 50 <0 50 <0 50 27 0 7 3 6 07/12/02 P 2903 -1803 000 188 <60 <0 50 075 <0 50 <0 50 <2 5 <0 50 2 5 11/20/02 P 3069 1969 000 -166 260 8 3 078 <0 50 <0 50 41 6 3 097 01/30/03 P 29 90 1890 000 0 79 380 5 5 0 54 <0 50 <0 50 85 <0 50 1 98 04/28/03 P 2920 1820 0 00 0 70 330 4 50 <0 50 <0 50 <0 50 - <0 50 1 86 07/29103* P 3069 1969 000 1 49 <50 5 <0 50 <0 50 <0 50 <0 50 <0 50 - 10/08/03 P 3224 -21 24 000 -155 <50 <0 50 <0 50 <0 50 <0 50 <0 50 130 MW-8 07/20/01 P 1299 28 44 -1546 000 - <60 <0 50 <0 50 <0 50 <0 50 6 <2 0 - 10/22/01 P 30 40 -1741 000 -196 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <2 0 1 38 01/15/02 P 29 96 -1697 000 044 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <0 50 - 04/11/02 P 29 16 -1617 000 080 <50 <0 50 <0 50 <0 50 <0 50 <2 5 068 -- 07/12/02 P 29 99 -1700 000 -083 <50 <0 50 089 <0 50 053 <2 5 <0 50 21 11/20102 P 3047 1748 000 -048 <50 <0 50 <0 50 <0 50 <0 50 <2 5 066 126 01/30/03 — - -- - - Well unable to be sampled car parked on well 04/28/03 - - — - Well unable to be sampled car parked on well 07/28/03' P 33 36 -2037 000 - <50 5 <0 50 <0 50 <0 50 <0 50 <0 50 - 10/08-09103 P 3382 -2083 000 -046 <50 <0 50 0 59 <0 50 075 — <0 50 185 MW 9 07/20/01 P 11 24 2649 1525 000 -- 200 1 2 056 <0 50 1 7 2 8 <2 0 — 10/22I01 P 2836 1712 000 -187 690 33 093 14 12 <2 5 <2 0 12 01/15/02 P 2789 -1665 0 00 047 540 <50 <50 <5 0 <5 0 <25 <0 50 2 6 04/11/02 P 2703 -1579 0 00 086 170 1 2 <0 50 <0 50 <0 50 35 <1 0 36 07/12/02 P 2794 -1670 000 091 130 ** <0 50 1 6 <0 50 087 <2 5 <0 50 31 11/20/02 P 3052 1928 000 2 58 120 ** 0 75 066 <0 50 <0 50 <2 5 <0 50 030 01/30/03 P 29 74 -1850 000 078 100 15 0 67 <0 50 <0 50 <2 5 <0 50 042 04/28/03 P 2906 1782 000 068 95 <0 50 <0 50 <0 50 <0 50 - <0 50 1 65 07/29/03* P 3024 1900 000 -1 18 130 5 0 83 <0 50 <0 50 <0 50 <0 50 - 10/08-"/03 P 3184 -2060 000 -160 <50 <0 50 078 <0 50 0 77 <0 50 068 MW-10 07/12/02 P 11 32 2885 1753 000 - <50 <0 50 1 4 <0 50 0 52 <25 <0 50 28 11120/02 P 3141 -2009 000 2 56 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <0 50 092 1 03 01/30/03 P 30 59 -1927 000 082 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <0 50 1 92 04/28/03 P 2983 -18 51 000 076 <50 <0 50 <0 50 <0 50 <0 50 -- <0 50 t fit 07/29/03 P 3142 2010 0 00 159 <50 5 <0 50 <0 50 <0 50 <0 50 <0 50 - 10/08-09103 P 3296 -21 84 000 -154 <50 <0 50 14 <0 50 1 1 <0 50 143 Project/ARCO/4932/Reports/Tables/4003 gwtables4932 xls