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i0 > <br /> Taf? Pa e 8 of 14 <br /> Groundwater Elevation and Analytical Data g <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,California <br /> Floating <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) (mgll) <br /> ATR-6 6125198 11 97 - 3738 -028 -- — _ _ _ _ -- <br /> (cont) 9111198 NP 1208 -- 3727 -011 <50 <0 5 <05 <0 5 <0 5 <2 5 1 27 <br /> 12/15/98 1195 -- 3740 0 13 -- — _ _ — 0 9 <br /> ATR-7 3110/89 4965 — -- -- — <200 <0 5 <0 5 <0 5 1 7 -- <br /> 6/21189 11 90 - 3775 — <50 1 <0 3 0 6 0 5 — <br /> 9/18189 11 98 -- 3767 -008 <50 04 <0 3 <0 3 1 1 -- — <br /> 12/27/89 11 94 — 3771 004 90 10 0 9 27 7 9 <br /> 4118190 1201 -- 37 644 -007 <50 61 2 6 21 5 8 <br /> 10/16/90 -- - -- — <50 <0 5 <0 5 <05 <0 5 -- - <br /> 10/19/90 1220 3745 -- — __ <br /> 1110191 -- — — <50 6 <0 5 1 8 41 -- <br /> 4110191 <br /> 7/10/91 __ <br /> 9124191 1234 -- 3731 _ _ <br /> 9/25/91 -- — -- — <50 1 3 <0 5 <0 5 <05 -- <br /> 1123192 <br /> 4120/92 <br /> 7/8/92 — <br /> 1017192 1221 — 3744 -- _ _ <br /> 10/8192 — -- -- — <50 <0 5 <0 5 <0 5 <0 5 —1/18/93 11 33 — 3832 -- _ _ <br /> 1119193 -- — -- -- <50 1 <0 5 0 6 <0 5 — — <br /> 4/14/93 1175 -- 3790 -- _ _ _ <br /> 4/15193 -- — -- <50 2 9 <0 5 <0 5 <0 5 -8/31/93 1224 -- 3741 — <50 <0 5 <0 5 <0 5 <0 5 - — <br /> 10/27/93 1223 — 3742 0 01 <50 <0 5 <0 5 <0 5 1 3 — -- <br /> 2118/94 11 93 — 3772 030 <10 <0 3 <0 3 <03 <0 5 — — <br /> 5/20194 1200 -- 3765 -007 <10 <0 3 <03 <0 3 <0 5 — — <br /> 10/7/94 1223 — 3742 -023 <50 <05 <0 5 <05 <0 5 — -- <br /> 12/16/94 1194 -- 3771 0 29 <50 <05 <0 5 <05 <0 5 -- -- <br /> 2/28195 1200 — 37 65 -006 <50 C05 <0 5 <0 5 <05 -- — <br /> 4125/95 1241 -- 3724 -0 41 <50 <0 5 <0 5 <0 5 <05 <br /> 7127/95 — — <br /> 12 61 37 04 -0 20 <50 <0 5 <p 5 c0 5 <05 _ _ <br /> 10/26/95 1267 -- 3698 -0 06 <50 <0 5 <0 5 <0 5 <05 — -- <br /> 2112196 1195 — 3770 072 <50 <0 5 <0 5 <0 5 <0 5 — — <br /> 4118/96 1235 -- 3730 -0 40 <50 <05 co 5 <0 5 <0 5 — -- <br /> 7G600-026-001/GW Tables <br />