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� � s <br /> Table 9 <br /> Groundwater Elevation and Analytical Data <br /> Former ARCO Service Station No 4493 <br /> 205 N Center Street, Stockton, CA <br /> TQC Depth to Water Level Ethyl- Total <br /> Well Date PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DQ <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg/i.) (pg/L) (yg/L) (pglL) (pglL) (pglL) (pg1L) (mg1L) Comments <br /> MW-10M 06!0912004 P 1076 1578 -502 <50 -- <1 0 <1 0 <1 0 <1 0 <1 0* 22 Water Levels taken on <br /> 618104 <br /> MW-11D 1215!2002 P 1172 2064 -892 <50 -- <1 0 <1 0 <1 0 11 2 2* 32 <br /> 03/14/2003 P 1172 2041 -869 <50 -- <0 50 <0 50 <0 50 <0 50 3 5* 32 <br /> 06/09/2003 P 1172 2033 -861 <50 — <1 0 <1 0 <1 0 <1 0 13' 52 <br /> 0912512003 P 1172 21 07 -935 <50 — <1 0 <1 0 <1 Q <1 0 <1 0* 14 <br /> 1212312003 P 11 72 2147 -975 <50 -- <1 0 <1 0 <1 Q <br /> <10 19' 43 <br /> 03/08/2004 P 11 72 2033 -861 <50 — <1 0 <1 0 <1 0 <1 0 1 4* 57 <br /> 06/09/2004 P 1172 2074 -902 <50 — <1 0 <1 0 <1 0 <1 0 3 4* 1 8 Water Levels taken on <br /> 618104 <br /> MW-11M 12/512002 P 11 76 2042 -866 <50 -- <10 <1 0 <1 0 <1 0 55* 41 <br /> 03/14/2003 P 11 76 2036 -860 130 — <10 <1 0 <1 0 <1 0 110* 09 <br /> 06/09/2003 P 11 76 2039 -863 <50 -- <50 <50 <50 <5 0 130` 12 <br /> 09/25/2003 P 1176 21 20 -944 65 R - <50 <50 <5 0 <5 0 150* 08 <br /> 12/23/2003 P 1176 2152 1 -976 70 R — <10 <1 0 <1 0 1 <1 0 100` 1 7 <br /> 03108!2004 P 11 76 20 40 -864 <50 — <5 0 <50 <50 <50 70* 15 <br /> 0610912004 P 11 76 2080 -904 <50 <10 <1 0 <1 0 <1 0 48* 16 Water Levels taken on <br /> 616104 <br /> MW-12D 12124/2003 P 1234 2524 -1290 52 — 18 17 21 1 6 2 2* 21 <br /> 03108!2004 P 1234 2495 -1261 <50 - <1 0 <1 0 <1 0 <1 0 1 5* 38 <br /> 06!0912004 P 1234 2538 -1304 <50 -- <1 0 <1 0 <1 0 <1 0 <1 0* 18 Water Levels taken on <br /> 618104 <br /> MW-130 06!0912004 P 1052 20681_1 0 <50 — <i 0 <7 0 <1 D <1 0 <7 0* 19 Water Levels taken on <br /> 618104 <br /> MW-13M O610912004 P 1059 1983 .924 <50 — <1 0 <1 0 <1 0 <1 0 <1 0* 13 Water Levels taken on <br /> 618104 <br /> QCTB 311312002 -- - -- — <50 - <05 <0 5 <0 5 <0 5 -- — <br /> TB-1 213V20011I -- -- <50 1 -- <0 5 1 <0 5 <0 5 <0 5 -- - <br /> Report Date July 29,2004 Page 7 of 8 <br />