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Table 1 Page 3 of 28 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,California <br /> Well Depth Product Groundwater Groundwater Total <br /> Date Elevation to Water thLckness, Elevation Elevation change TPH-G Benzene Toluene Ethylbenzene Xylenes MTBE <br /> Sampled (feet,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> E-9 4123191 1689 -- -1533 187 — — — — <br /> (cont) 7115191 Dry — — — — — — — <br /> 1018191 Dry -- — - - -- <br /> 1122192 1824 -1668 -- -- -- <br /> 4122/92 1745 — -1589 079 3,600 170 10 50 120 — <br /> 7/29192 Dry -- -- -- — -- -- -- — <br /> 10/29/92 1719 -- -1563 -- 8,900 480 32 440 1 100 — <br /> 1127193 1610 -- -1454 109 12,000 390 25 310 730 — <br /> 4/29193 1419 — -1263 1 91 12,000 270 <98 150 380 — <br /> 815193 1583 — -1427 -1 64 16,000 370 22 220 460 — <br /> 11/10/93 1618 -- -1462 -035 12 000 210 21 200 390 -- <br /> 3/21194 1551 - -1395 0 67 6,300 170 24 200 320 — <br /> 6127/94 1534 — -1378 017 10,000 780 18 660 980 — <br /> 9/29194 1636 — -1480 -102 8,800 430 14 470 630 — <br /> 1218/94 1597 -- -1441 039 7,800 450 20 610 810 <br /> 318195 1354 - -11 98 2 43 8,600 100 <20 230 260 — <br /> 6/1195 1202 — -10 46 1 52 24,000 550 38 870 2,000 — <br /> 9/11195 1422 -- -1266 -2 20 150 000 1,700 7,600 3,000 14,000 -- <br /> 1215195 1458 — -1302 -036 45,000 960 1,500 1 000 3200 <br /> 3118/96 962 -- -8 06 496 8 800 290 130 240 490 — <br /> 6118196 1035 -- -879 -073 1,600 110 32 69 91 110 <br /> 9/25/96 1282 -- -11 26 -247 2,800 130 <5 180 46 83 <br /> 12/4196 1220 -- -1064 062 2,800 290 32 250 80 560 <br /> 3119197 NP 772 -- -616 448 <50 <0 5 <05 <05 <0 5 <5 <br /> 615/97 NP 9 39 -- -7 83 -167 <50 <0 5 <05 <05 <0 5 8 5 <br /> 8119197 NP 1084 -- -928 -1 45 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 11/25/97 NP 11 10 -- -954 -0 26 <50 <0 5 <0 5 <0 5 <05 <5 <br /> 3119198 P 480 -- -324 630 <60 <0 5 <0 5 <0 5 <0 5 920 <br /> 7G600-019-01/GW Tables <br />