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• � s <br /> Table 9 <br /> Groundwater Elevation and Analytical Data <br /> Former BP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date P/ Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg/L) "/L) (Rg1L) (pg/L) (pg/L) (pg/L) (pg/L) (mg/L) Comments <br /> AMW-6 10/15/1996 — 2668 621 2047 ND<50 — ND<0 5 ND<l 0 N0<1 0 ND<1 0 ND<10 56 <br /> 4/16/1997 — 2668 487 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 /> 1/79/2000 — 2668 478 21 90 <br /> 4112/2000 — 2668 501 2167 <br /> 7/22/2000 — 2668 522 2146 <br /> 10/26/2000 — 2668 408 2260 <br /> 1/17/2001 - 2668 541 2127 <br /> 4/12/2001 — 2668 502 2166 <br /> 5123/2001 — 2668 486 2182 710 -- ND<0 5 ND<0 5 151 1 ND<1 5 840 -- <br /> 7/31/2001 -- 2668 4 63 2205 140 — ND<0 5 144 ND<0 5 176 113 - <br /> 10/30/2001 — 2668 4 78 2190 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<t 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 /> 713012002 <br /> 63 -7/30/2002 P 2668 472 2196 ND<500 -- ND<5 ND<5 ND<5 ND<10 465 — <br /> 10/31/2002 P2668 4 40 22 28 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 19 — <br /> 01/30/2003 P 2668 930 1738 <50 — <0 50 <0 50 <0 50 <0 50 41 32 <br /> 04/30/2003 P 2668 476 21 92 <50 <0 50 <0 50 <0 50 <0 50 23 — <br /> 07/30/2003 P 2668 520 2148 260 R — 16 <2 5 <2 5 <2 5 16 — <br /> 10/2912003 P 2668 449 2219 <50 — <0 50 <0 50 <0 50 <0 50 27 — <br /> 01/2612004 P 2668 488 2180 <50 -- <0 50 <0 50 <0 50 <0 50 1 6 — <br /> 04/27/2004 P 2668 472 2196 <50 — <0 50 <0 50 <0 50 4 3 093 — <br /> 07/30/2004 P 2668 521 2147 <50 — <0 50 <0 50 <0 50 <050 057 — <br /> 10/28/2004 P 2668 488 2180 <50 -- <0 50 <0 50 <0 50 <0 50 069 — <br /> 01/31/2005 P 2668 477 2191 <50 — <0 50 <0 50 <050 061 17 -- <br /> 04/29/2005 P 2668 439 2229 <50 -- <0 50 I <0 50 <0 50 <0 50 <0 5o -. <br /> MW-1 2/9/1987 — — .- — ND<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 /> 10/20/1987 — -- — -- 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 /> Report Date June 21,2005 Page 10 of 28 <br />