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Note of 28 ` Table 1 9 Groundwater Elevation and Analytical Data ARCO Service Station#2133 2908 Benjamin Holt Dr,Stockton,Califomia Well Depth Product Groundwater Groundwater Total Date Elevation to Water thickness, Elevation Elevation change TPH-G Benzene Toluene Ethylbenzene Xylenes MTBE Sampled (feet,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) E-12 2112191 1810 — -1614 033 500 21 5 8 12 20 -- (cont) 2!25191 1808 -- -1612 002 -- -- — — — 4123191 1710 -- -1514 098 <50 6 9 <0 5 <05 <0 5 - 7116191 1974 — -1778 -264 320 11 <0 5 <0 5 0 9 -- 10/8/91 20 29 -- -1833 -0 55 210 4 5 <0 5 <0 5 <1 0 — 1/22192 1856 -- -16 60 1 73 630 2 9 13 <25 0 8 — 4/22192 1769 -- -1573 0 87 660 4 3 <3 2 0 9 21 — 7129/92 1918 — -1722 -149 830 18 2 9 2 7 54 — 10/29/92 1955 -- -1759 -037 400 6 7 <0 5 13 2 7 — 1127/93 1626 -- -1430 3 29 380 1 5 2 5 12 <1 -- 4129193 1443 -- -1247 183 520 2 7 <2 <1 <2 -- 8/5193 1608 -- -1412 -165 830 0 6 <0 5 1 6 2 2 -- 11/10193 1622 -- -1426 -014 280 <0 7 27 <2 4 1 7 -- 3/21/94 1577 — -1381 0 45 200 2 0 1 2 18 61 — 6127/94 1560 — -1364 017 220 0 8 <0 3 0 3 <05 -- 9129/94 1668 -- -1472 A 08 330 <0 5 <0 5 <05 0 8 -- 1218194 1626 -- -1430 042 150 <0 5 1 0 1 0 21 — 3/8195 1380 -- -11 84 2 46 200 <0 5 <1 <0 5 1 8 — 611/95 1232 -- -1036 1 48 <50 <0 5 <05 <0 5 <0 5 — 9111/95 1370 -- -11 74 -138 <50 <0 5 <05 <0 5 <0 5 -- 1215/95 1488 -- -1292 -1 18 <50 <0 5 <05 <0 5 <0 5 -- 3118/96 918 -722 570 <50 <0 5 <05 <0 5 <0 5 -- 6118/96 9 85 — -7 89 -067 <50 <05 <0 5 <0 5 3 3 13 9/25196 1223 1027 238 <50 <05 <0 5 <0 5 <05 <5 12/4196 11 70 9 74 0 53 <50 <0 5 <0 5 <0 5 <05 <5 3119197 601 - -605 369 <50 <0 5 <0 5 <05 <0 5 -- 6/5197 NP 960 — -7 64 -1 59 <50 <0 5 <05 <0 5 <0 5 <5 8119197 NP 11 07 -911 -1 47 <50 <0 5 <05 <0 5 <0 5 <5 11/25/97 NP 1144 -- -9 48 -037 <50 <0 5 <05 <0 5 <0 5 <5 3/19198 P 518 — -322 626 <50 <05 <0 5 <0 5 <0 5 <5 6124198 NP 724 -- -628 -206 <50 <0 5 <0 5 <0 5 <0 5 <5 7G600-019-01/GW Tables