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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former BP Service Station No 11194 <br /> 2375 Tracy Blvd, Tracy CA <br /> Top of Depth to Water Level Ethyl- Total <br /> Well Date PI Casing Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes g/L DO <br /> {pglL <br /> Humber Sampled NP Elevation (feet bgs) (feet msl) (Fig/L) (Eig1L) (jiglL) (Ng/L) (tig/L) (pglL) ) {mglL) Comments <br /> I <br /> AMW-6 4/16/1997 -- 2668 487 21 81 -- - - - - <br /> 10/15/1997 -- 2668 860 1808 -- <br /> 3l1711998 — 2668 813 1855 -- <br /> 1/6/1999 — 2668 511 21 57 — -- — — — — ~ <br /> 9/13/1999 — 2668 523 2145 <br /> 1/19/2000 — 2668 478 2190 <br /> 4/12/2000 -- 2668 501 2167 <br /> 7/22/2000 — 2668 522 2146 -- -- — -- — - ~ <br /> 10/26/2000 -- 2668 408 2260 -- — — -- — <br /> 1/17/2001 — 26 68 541 2127 — - <br /> 4/12/2001 — 2668 502 2166 — — ~ -- — — — <br /> 5/23/2001 -- 2668 486 2182 710 -- ND<0 5 N0<0 5 151 ND<1 5 840 -- <br /> 7/31/2001 — 2668 463 2205 140 — ND<0 5 144 N0<0 5 176 113 -- <br /> 10/30/2001 -- 2668 4 78 21 90 ND<250 - ND<2 5 ND<2 5 ND<2 5 ND<7 5 ND<2 5 -- <br /> 1/29/2002 -- 2668 456 2212 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<1 0 431 -- <br /> 4/30/2002 -- 2668 471 21 97 ND<250 -- ND<2 5 ND<2 5 ND<2 5 ND<5 0 763 -- <br /> 7/30/2002 P 26 68 4 72 21 96 nD<50 - ND<5 ND<5 ND<5 ND<10 46 5 - <br /> 10/31/2002 P 26 68 4 40 22 28 - ND<0 5 ND<0 5 ND<Q 5 ND<0 5 19 - <br /> 01/30/2003 P 26 68 930 17 38 - <0 50 <0 50 <0 50 <0 5041 32 <br /> 04/30/2003 P 2668 476 2192 - <0 50 <0 50 <0 50 <0 50 2307/30/2003 P 2668 520 2148 - 16 <2 5 <2 5 <2 5 16 - <br /> 10/29/2003 P 2668 449 2219 <50 - <0 50 <0 50 <0 50 <0 50 27 -- <br /> 01/2612004 P 2668 488 21 80 <50 -- <0 50 <0 50 <0 50 <0 50 16 •• <br /> MW-1 2/9/1987 - - -- - N0<50 - ND<0 5 ND<0 5 -- ND<0 5 -- _ <br /> 9/21/1987 - -- -- ND<50 - ND<0 5 ND<0 5 - ND<0 5 <br /> 90/20/1987 - - -- - ND<50 - ND<0 5 ND<0 5 -- ND<0 5 -- <br /> 11/20/1987 - -- - -- ND<50 -- ND<0 5 ND<0 5 - ND<0 5 - <br /> 3/13/1988 -- 26 88 588 21 00 <br /> 3/23/1988 -- 2fi 88 588 2100 ND<50 - ND<0 5 ND<0 5 -- ND<0 5 ~ <br /> 6/7/1988 - 2688 595 2093 -- - '- -" <br /> 10/18/1988 - 2688 625 2063 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 - - <br /> 2/15/1990 - 2688 595 2093 N0<50 - ND<0 3 ND<0 3 ND<0 3 ND<0 3 - ~ <br /> 4/26/1990 -- 2688 608 2080 <br /> Page 9 of 24 <br /> Report Date April 28,2004 <br />