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Page 20 of 35 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data 1 <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> f[ <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness' Elevation Elevation TPI-Ig Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft} (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-11 3121194 1720 -- -1378 036 4,900 220 16 39 170 <br /> (cont) 6127194 1704 -- -13 62 016 3,400 210 79 22 120 <br /> 9/29/94 1812 -14 70 -108 2,200 180 13 24 65 <br /> 1218194 1773 -- -14 31 039 1,800 150 79 25 28 -- - <br /> 3/8195 1525 -- -1183 248 8,600 85 <17 35 32 -- <br /> 6/1/95 1375 <br /> -1033 150 8,900 180 <17 50 71 -- <br /> 9/11/95 1596 - -1254 -221 7,500 38 <20 32 49 -- — <br /> 1215/95 1634 -- -1292 -038 1,100 13 <8 6 5 <br /> 3/1&96 1100 - -7 581 534 2,000 24 <0 5 43 65 -- <br /> -- <br /> 6/18/96 1205 F -- <br /> -8 63 -1 05 620 11 9 32 32 <5 <br /> 9125196 1445 - -1103 -240 400 4 <0 5 15 33 <5 <br /> 1214196 1393 -10511, 052 280 35 <0 5 14 2 <5 <br /> 3119197 NP 950 - -6 08 443 <50 <0 5 <0 5 <0 5 <0 5 -- 1 1 <br /> 615/97 NP 1117 -- -7 75' -167 <50 <0 5 <0 5 <0 5 <0 5 <5 1 5 <br /> 8/19197 NP 1264 -9 22 -147 <50 <0 5 <05 <05 <0 5 <5 17 <br /> 11/25/97 NP 1285 r -943 -021 <50 <0 5 <Q 5 <05 <0 5 <5 -- <br /> 3119/98 NP 657 -- -315 628 <50 <0 5 <0 5 <0 5 <0 5 <5 32 <br /> 6/24198 NP 866 -- -5 24f -209 <50 <0 5 <0 5 <0 5 <0 5 <5 14 <br /> 9/10/98 NP 1030 -- -688 -164 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/17/98 NP 1036 -- -6 94! -006 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/10/99 NP 819 -4 771 217 <50 <0 5 <0 5 <0 5 <0 5 <5 39 <br /> 6122199 NP 1019 - -- -6 77 -200 <50 <0 5 <0 5 <0 5 <0 5 <5 36 <br /> 9/13/99 NP 1184 -- 1 -842 -165 <50 <0 5 <0 5 <0 5 <05 <5 19 <br /> 12/16/99 NP 1182 - -840 002 <50 <0 5 <0 5 <0 5 <0 5 <2 5 63 <br /> 3123100 NP 710 <br /> -368 472 <50 <05 <Q 5 <0 5 <Q 5 <2 5 19 <br /> 6121/00 NP 935 -- 1 -593 -225 <50 <0 5 <br /> <05 <05 c0 5 <2 5 1 5 <br /> 9/13/00 NP 11 11 -769 -176 <50 c0 5 <0 5 <0 5 <0 5 <2 5 131 <br /> 12/15/00 P 1058 -716 053 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 1 17 <br /> 311101 P 846 -- -504 212 644 0 865 0 717 <0 500 173 <2 50 33 <br /> 5/10101 P 863 -- -521 -017 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 18 <br /> 8/22101 P 1133 — -791 -270 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <br /> 12/5/01 P 1045 -703 088 <50 <0 50 <0 50 <0 50 <0 50 <2 5 044 <br /> 3111102 P 872 <br /> -530 173 <50 <0 50 c0 50 c0 50 <0 50 <2 5 138 <br /> 616102 P 967 — -625 -095 <50 <0 50 <0 50 <0 5o <0 50 <2 5 037 <br /> 1 <br /> i <br /> Projects/2133/Reports/Tables/gwtables2133)d5 1 . <br />