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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Farmer BP Retail Site No 11194 <br /> 2375 Tracy Blvd, Tracy, CA <br /> TO 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) (pg/L) (pglL) (ugIL) (pg/L) WL) (1,91L) (mg/L) Comments <br /> AMW-i 4/26/1990 — 2653 535 2118 100 — ND<0 3 ND<0 3 ND<0 3 ND<0 3 -- -- <br /> 7/12/1990 — 26 53 558 2095 70 - ND<0 3 ND<0 3 13 06 — ~ <br /> 8/27/1990 — 265 3 598 2055 — — ~ — — '- <br /> 11/2/1990 -- 2653 594 2059 <br /> 11/5/1990 — 2653 5 97 2056 ND<50 — ND<0 3 ND<0 3 ND<0 3 ND<0 3 -- <br /> 2/25/1991 -- 2653 479 2174 ND<50 -- ND<0 3 ND<0 3 ND<0 3 ND<0 3 — - <br /> 3/25/1991 -- 2653 475 21 78 ND<30 -- ND<0 30 ND<0 30 ND<0 30 ND<0 30 -- -- <br /> 6/27/1991 - 2653 589 20 64 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 - -- <br /> 9/25/1991 -- 2653 653 2000 ND<30 - ND<0 30 ND<0 30 ND<0 30 N0<0 30 - - <br /> 12/10/1991 -- 2653 567 2086 45 - ND<0 30 ND<0 30 ND<0 30 ND<0 30 - - <br /> 6/25/1992 -- 2653 662 1991 ND<30 - ND<0 30 ND<0 30 ND<0 30 ND<0 30 - -- <br /> 12/8/1992 - 2653 565 2088 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- <br /> 3/10/19993 -- 26 53 477 2176 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- ~ <br /> 6/16/1993 -- 2653 527 2126 <br /> 10/22/1993 - 2653 589 2064 <br /> 1/24/1994 - 2653 5 38 21 15 <br /> 6/7/1994 - 2fi 53 5 81 20 72 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 33 <br /> 9/13/1994 -- 2653 646 2007 -- — - — ~ -- — —1110/1995 -- 2653 486 2167 -- — -- — ~ — — <br /> 3/23/1995 -- 26 53 460 2193 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 - 83 <br /> 10/4/1995 — 2653 622 2031 - — - — ~ — <br /> 1/4/1996 — 2653 512 2141 — -- -- — '- '- <br /> 3/29/1996 -- 2653 452 2201 ND<50 -- ND<0 5 ND<1 ND<1 ND<1 ND<10 34 <br /> 7/1/1996 — 2653 510 2143 — — -- — ~ — —10/15/1996 -- 2653 531 21 - <br /> 4/16/1997 -- 2653 388 2265 — — — — — — -- — <br /> 10/15/1997 — 2653 604 2049 — — -- — — — _ <br /> 3/17/1998 - i653 560 2093 1 -- — — — -' — ' <br /> 1/6/1999 — 2653 555 2098 - — — -- — " - <br /> 9/13/1999 — 2653 510 2143 - - -- - -- — <br /> 1/19/2000 — 2653 519 2134 <br /> 4/12/2000 -- 2653 612 2041 <br /> 7/22/2000 - 26 53 598 20.55 <br /> Page 1 of 26 <br /> Report Date September 10,2004 <br />