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• • • <br /> Table 1 U <br /> Groundwater Elevation and Analytical Data <br /> Former BP Retail Site No 11194 0 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg/L) WL) WIL) (pg1L) (/..g/L) (pg/L) (P9/L) (mg1L) Comments <br /> AMW-6 3/23/1995 — 2668 550 2118 ND<50 — ND<0 50 ND<0 50 ND<0 50 ND<1 0 — 84 <br /> 10/4/1995 -- -- — — ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<5 0 -- QC-2 <br /> 10/4/1995 -- 2668 618 2050 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<5 0 66 <br /> 1/4/1996 — — — — ND<50 — ND<0 50 ND<0 50 ND<0 50 ND<1 0 ND<5 0 — QC-2 <br /> 1/4/1996 -- 2668 568 2100 ND<50 — ND<0 50 ND<0 50 ND<0 50 ND<1 0 68 14 <br /> 3/29/1996 — — -- -- ND<50 -- ND<0 5 ND<1 ND<1 ND<1 ND<10 -- QC-2 <br /> 3/29/1996 — 2668 546 2122 60 -- ND<0 5 ND<1 ND<1 ND<1 26 35 <br /> 7/1/1996 — — — -- ND<50 -- ND<0 5 ND<1 ND<1 ND<1 ND<10 -- QC-2 <br /> 7/1/1996 -- 2668 601 2067 ND<50 — ND<0 5 ND<1 ND<1 ND<1 ND<10 49 <br /> 10/15/1996 — 2668 621 2047 ND<50 — ND<0 5 ND<1 0 ND<1 0 ND<1 0 ND<10 56 <br /> 4/16/1997 -- 2668 4 87 2181 — -- _ _ -- -- _ — <br /> 10/15/1997 — 2668 860 1808 — — <br /> 3/17/1998 — 2668 813 1855 — — -- — — -- — _ <br /> 1/6/1999 — 2668 511 2157 — — <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 /> 1117/2001 -- 2668 541 2127 — — - -- -- -- _ _ <br /> 4/12/2001 -- 2668 502 2166 — -- - — — -- — - <br /> 5/23/2001 -- 2668 486 2182 710 -- ND<0 5 ND<0 5 151 ND<1 5 840 — <br /> 7/31/2001 — 2668 463 1 2205 140 — ND<0 5 144 ND<0 5 176 11 3 -- <br /> 10/30/2001 — 2668 478 2190 ND<250 -- ND<2 5 ND<2 5 ND<2 5 ND<7 5 ND<2 5 -- <br /> 1/29/2002 — 2668 4 56 2212 ND<50 -- N0<0 5 ND<0 5 ND<0 5 ND<1 0 431 -- <br /> 4/30/2002 -- 2668 471 2197 ND<250 — ND<2 5 ND<2 5 ND<2 5 ND<5 0 763 — <br /> 7/30/2002 P 2668 472 2196 ND<500 _ ND<5 ND<5 ND<5 ND<10 465 -- <br /> 10/31/2002 P 2668 440 2228 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 19 — <br /> 01/30/2003 P 2668 930 1738 <50 - <050 <0 50 <0 50 <0 50 41 32 <br /> 04/30/2003 P 2668 476 2192 <50 <0 50 <050 <0 50 <0 50 23 — <br /> 07/30/2003 P 2668 520 2148 260 R — 16 <25 <2 5 <2 5 16 <br /> 10/29/2003 P 2668 449 2219 <50 — <0 50 <050 <0 50 <050 27 -- <br /> 01/26/2004 P 2668 488 2180 <50 <0 50 <0 50 <0 50 <0 50 1 6 — <br /> Report Date September 10,2004 Page 9 of 26 <br />