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Table 1 ' <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) (.ug1L) (pg/L) (jig/L) (pg/L) (pg1L) (pg1L) (pg1L) (mg1L) Comments <br /> AMW-1 4/26/1990 — 2653 535 2118 100 — ND<0 3 ND<0 3 ND<0 3 ND<0 3 — — <br /> 7l12/1990 — 26 53 558 2095 70 - ND<0 3 ND<0 3 13 06 -- — <br /> 812711990 26 53 5 98 20 55 -- -- — -- — — <br /> 11!2!1990 -- 2653 594 2059 -- — _ <br /> -i-1-/511990 -- 2653 5 97 20 56 ND<50 - ND<0 3 ND<0 3 ND<0 3 ND<0 3 <br /> 2!2511991 -- <br /> 2653 479 21 74 ND<50 ND<0 3 ND<0 3 ND<0 3 ND<0 3 — - <br /> 3/25/1991 -- 26 53 4 75 21 78 ND<30 — ND<D 30 ND<0 30 ND<0 30 ND<0 30 — -- <br /> 6/27/1991 -- 2653 589 2064 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 ND<0 30 -- -- <br /> 12/1D/1991 -- 26 53 5 67 20 86 45 -- ND<0 30 ND<0 3Q ND<0 30 ND<0 30 -- — <br /> 612511992 -- 2653 662 1991 ND<30 -- ND<0 30 ND<0 30 ND<0 30 N0<0 30 — — <br /> 121811992 -- 2653 565 2088 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 — -- <br /> 3/10/1993 -- 2653 4 77 2176 ND<50 -- ND<0 5 ND<Q 5 ND<0 5 ND<0 5 -- — <br /> 6l16/1993 — <br /> 2653 527 21265 — — - — -- — '- <br /> 10/22/1993 -- 2653 589 2064 -- — — — —--f/24M994 — 2653 538 21 15 <br /> 617!1994 - 2653 581 2072 ND<50 — ND<0 5 ND<0 5 ND<Q 5 ND<0 5 ND<5 0 33 <br /> 9/13/1994 - 2653 646 2007 - - - - -- - _ — <br /> 1/10/1995 -- 2653 486 2167 — -- -- -- _ — —3/23/1995 — 26 S3 4 60 2193 NO<50 ND<0 50 ND<0 50 N0<0 50 ND<1 0 -- 83 <br /> 101411995 — 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 N0<10 34 <br /> 7/1/1996 26 53 510 2143 - -- — -- _ —1 D115/1996 - 26 53 531 2122 <br /> 4/16/1997 -- 2653 388 2265 — -- - - -- — "" <br /> 10/15/1997 2653 604 2049 <br /> 3!1711998 -- 2653 560 20 93 <br /> 1/6/1999 — 2653 555 2098 <br /> 9!13!1999 -- 2653 510 2143 <br /> 1/1912000 - 26 53 519 21 - <br /> 4/12/2000 — 2653 6 12 2041 <br /> 7/22/2000 -- 2653 598 2055 <br /> Page 1 of 28 <br /> Report Date October 13, 2005 <br />