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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton California <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (mg/l.) <br /> 3121194 1660 1415 059 13 000 1 700 40 300 650 <br /> E 5 6/27194 1627 1382 0 33 9 400 1 800 17 260 520 <br /> (cant) 9/29!94 1723 -1478 096 7 900 1200 <20 200 330 <br /> 1218194 1683 1438 040 6 800 1 300 30 220 410 <br /> 3095 14 34 11 89 249 39 000 3 000 <50 460 1 400 <br /> 611/35 1275 1030 159 2 300 69 <2 5 11 53 <br /> 9111195 1475 1230 2 00 1200 <3 4 6 14 <br /> 1215195 1541 1296 066 <br /> 3/18196 960 715 581 150 059 <0 5 <0 5 065 <br /> 6118196 1120 875 1 60 - — <br /> 9125196 1312 1067 1 92 <50 <0 5 <0 5 <05 <0 5 <5 <br /> 1214/96 12 65 1020 047 — <br /> 3/19197 NP B 44 599 421 <50 <0 5 <0 5 <05 <0 6 78 <br /> 615197 P 1020 775 176 9 7 <br /> B119197 NP 11 72 927 152 <50 <0 5 <0 5 <05 <0 5 <5 73 <br /> 11/25/97 P 1193 948 021 - <br /> 3120/98 NP 561 316 632 1200 5 7 26 1 4 1 3 <5 14 0 <br /> 6124198 766 521 205 -- -- - <br /> 9l10198 NP 940 6 95 174 <50 <0 5 <05 <0 5 <05 <5 — <br /> 12/17/98 945 — 7 00 -005 <br /> 3110199 NP 727 482 218 <50 <0 5 <05 <0 5 <05 <5 4 1 <br /> 6122199 922 677 195 — 31 <br /> 9113199 NP 1093 848 171 <50 <0 5 <05 <0 5 <0 5 <5 5 6 <br /> 12/15/99 1082 837 Oil - - 95 <br /> 3123/00 NP 612 367 470 <50 <05 <0 5 <0 5 <0 5 <2 50 47 <br /> 6/21100 8 37 — 592 225 048 <br /> 9/13100 NP 1017 — 772 180 <50 <05 <0 5 <0 5 <0 5 <2 50 3 09 <br /> 12/15/00 9 62 -- 717 055 -- 110 <br /> 311101 P 795 — 550 1 67 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 39 <br /> 5/10101 7 64 519 031 2 8 <br /> 8122!01 P 1042 797 278 <50 <0 50 <050 <050 <0 50 <2 5 <br /> 1215101 959 714 0 83 <br /> 3111102 P 780 535 179 <50 <0 50 <050 <0 50 <0 50 <2 5 136 <br /> 616/02 876 631 096 089 <br /> 9124102 P 1055 810 1 79 <50 <0 50 <0 50 <050 <050 <2 5 1 48 <br /> 12/17/02 880 635 1 75 — — <br /> 3/18/03 P 8 74 629 006 <50 <050 <0 50 <0 50 <0 50 <2 5 1 14 <br /> 6/17103 8 98 653 024 — 010 <br /> W24103 a P 1075 — -830 177 <50 <0 50 <0 50 <0 50 <0 50 <0 50 053 <br /> I IPrgectsUARCO%21331Tableslgwtables2133 Page 8 of 36 <br />