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Tab* <br /> Page.28 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Or,Stockton,California <br /> Well Depth Product Groundwater Groundwater Total <br /> Date Elevation to Water thickness, Elevation Elevation change TPH-G Benzene Toluene Ethylbenzene Xylenes MTBE DO <br /> Sampled (feet,MSL) (feet,TOC) In feet (feet MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mg/l <br /> E-9 1216190 1811 — -1655 013 — — -- -- -- — — <br /> (cont) 2112191 1780 — -1624 031 18,000 2,600 130 610 4,700 - — <br /> 2125191 1876 — -1720 -0 96 -- - -- — <br /> 4/23191 1689 -- -1533 187 - - - <br /> 7115/91 Dry — -- — -- - <br /> 1018191 Dry — - - - - — — -- <br /> 1122192 1824 — -1668 -- — — — - — <br /> 4!22192 1745 — -1589 079 3,600 170 10 50 120 — — <br /> 7129192 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 /> 4/29/93 1419 — -1263 191 12,000 270 <98 150 380 — — <br /> 8/5/93 15 83 — -1427 -164 16 000 370 22 220 460 — -- <br /> 11110193 1618 — -1462 -035 12,000 210 21 200 390 — — <br /> 3121194 1551 — -1395 0 67 6,300 170 24 200 320 — — <br /> 6/27/94 1534 — -1378 017 10,000 780 18 660 980 -- — <br /> 9129194 1636 — -1480 -102 8,800 430 14 470 630 — — <br /> 1218/94 1597 — -1441 0 39 7,800 450 20 610 810 — — <br /> 318/95 1354 — -1198 2 43 8,600 100 <20 230 260 — -- <br /> 611195 1202 — -1046 152 24,000 550 38 870 2,000 — — <br /> 9111195 14 22 - -1266 -220 150 000 1,700 7,600 3 000 14,000 — — <br /> 12/5/95 1458 — -1302 -036 45,000 960 1,500 1,000 3,200 -- — <br /> 3118/96 9 62 — -806 496 8,800 290 130 240 490 -- - <br /> 6/18/96 1035 — -879 -073 1,600 110 32 69 91 110 — <br /> 9125196 1282 — -11 26 -247 2,800 130 <5 180 46 83 — <br /> 1214196 1220 — -1064 0 62 2,800 290 32 250 80 560 - <br /> 3119/97 NP 772 — -616 448 <50 <0 5 <0 5 <0 5 <05 <5 01 <br /> 615197 NP 939 — -7 83 -167 <50 <05 <0 5 <05 -CO 5 6 5 02 <br /> 8119197 NP 1084 — -928 -145 <50 <0 5 <0 5 <05 'CO 5 <5 0 2 <br /> 11/25197 N P 11 10 — -9 54 -026 <50 <0 5 <0 5 <05 <0 5 <5 — <br /> 3119198 P 480 — -324 630 <50 <0 5 <05 <05 <05 320 09 <br /> 6124198 NP 676 — -520 .196 <50 <0 5 <0 5 <0 5 <0 5 <5 22 <br /> 9/10198 NP 859 — -7 03 -183 <50 <0 5 <0 5 <0 5 <0 5 <5 -- <br /> 12/17/98 NP 8 61 — -7 05 -002 <50 <05 <0 5 <0 5 <0 5 ISO — <br /> 3110199 NP 647 — -491 214 <50 <0 5 <0 5 <05 <0 5 <5 37 <br /> 6122199 NP 839 — -683 -192 <50 <0 5 <05 <05 <0 5 <5 29 <br /> 9113M NP 1007 — -851 -168 <50 <05 <0 5 <05 <0 5 127 19 <br /> 12/16199 NP 999 — -843 008 <50 <0 5 <6 6 <0 5 <0 a <2 5 37 <br /> 077 41727 006/GW Tables <br />