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• • <br /> 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 Pl Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet ms]) (pglL) (pglL) (pg/L) WIL) (pg/L) (pg/L) (pg/L) (mg/L) Comments <br /> AMW-4 07/30/2004 P 2536 537 1999 <50 — <0 50 <0 50 <0 50 <0 50 <0 50 -- <br /> AMW-5 12/10/1991 -- 2619 595 2024 ND<30 — ND<0 30 ND<0 30 ND<0 30 ND<0 30 — — <br /> 3/25/1992 -- 2619 539 2080 72 — 48 ND<0 30 ND<0 30 ND<0 30 - — <br /> 6/25/1992 — 2619 727 1892 ND<30 -- ND<0 30 ND<0 30 ND<0 30 ND<0 30 -- _ <br /> 12/8/1992 — 2619 578 2041 56 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 — -- <br /> 3/10/1993 -- 2619 550 2069 1 ND<50 - 32 1 06 2 51 — -- <br /> 6/16/1993 -- 2619 376 2243 ND<50 -- ND<0 5 ND<0 5 ND<0 5 N0<0 5 -- <br /> 10/22/1993 — 2619 593 2026 300 - N0<0 5 ND<0 5 N0<0 5 ND<0 5 840 — <br /> 1/24/1994 — 2619 555 2064 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 45 — <br /> 6/7/1994 — 2619 601 2018 ND<50 — ND<0 5 ND<0 5 ND<0 5 N0<0 5 ND<5 0 37 <br /> 9/13/1994 — 2619 633 1986 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 73 <br /> 1/10/1995 -- 2619 541 2078 ND<50 — 5 2 ND<0 5 2 — 51 <br /> 3/23/1995 -- 2619 542 2077 ND<50 -- 15 ND<0 50 079 16 -- <br /> 93 <br /> 10/4/19995 — 2619 630 1989 210 — ND<1 0 ND<1 0 ND<1 0 ND<2 0 840 64 <br /> 1/4/1996 -- — — — 370 -- ND<2 5 ND<2 5 ND<2 5 ND<5 0 1 300 — QC-1 <br /> 1/4/1996 — 2619 571 2048 360 -- ND<2 5 ND<2 5 ND<2 5 ND<5 0 1,300 1 9 <br /> 3/29/1996 — 2619 550 2069 9,400 — 25 6 14 4 12,000 3 <br /> 7/1/1996 -- — — — 170 -- ND<0 5 ND<1 ND<1 ND<1 230 — QC-1 <br /> 7/1/1996 — 2619 605 2014 170 — N0<0 5 ND<1 ND<1 ND<1 220 52 <br /> 10/15/1996 — 2619 627 1992 ND<250 -- 10 ND<5 0 ND<5 0 ND<5 0 27,000 64 <br /> 4/16/1997 -- 2619 4 84 2135 - <br /> 10/15/1997 — 2619 604 2015 <br /> 3/17/1998 -- 2619 560 2059 <br /> 1/6/1999 -- 2619 579 2040 <br /> 9/13/1999 - 2619 557 2062 -- — — -- _ -- — <br /> 1/19/2000 -- 2619 569 2050 <br /> 4/12/2000 — 2619 534 2085 <br /> 7/22/2000 -- 2619 597 2022 <br /> 10/26/2000 -- 2619 490 2129 -- <br /> 1/17/2001 -- 2619 610 2009 <br /> 4/12/2001 -- 2619 586 2033 <br /> 5/23/2001 — 2619 5 93 2026 580 — 178 439 323 165 612 - <br /> 7/31/2001 — 2619__t. 607 2012 2,100 — 153 ND<2 5 ND—<2 5 ND<7 5 2,470 — <br /> Report Date September 10,2004 Page 7 of 26 <br />