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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 PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (091L) (pg/L) WIL) WIL) (pg/L) (Erg/L) (pglL) (mg/L) Comments <br /> AMW-5 10/28/2004 P 2619 588 2031 <50 — <0 50 <0 50 <0 50 <0 50 29 - <br /> 01/31/20051 P 2619 553 2066 <50 -- <0 50 <0 50 <0 50 <0 50 <0 50 — <br /> 0412912005 P 1 26 19 569 2050 <50 — <0 50 <0 50 <0 s0 <0 50 0 84 — <br /> AMW-6 12/10/1991 — 2668 585 2083 ND<30 — ND-,:O 30 ND<0 30 ND<0 30 ND<0 30 — — <br /> 3/25/1992 — 2668 486 2182 97 — 43 ND<0 30 74 61 — — <br /> 6/25/1992 — 2668 700 1968 ND<30 — ND<0 30 ND<0 30 ND<0 30 ND<0 30 -- — <br /> 12/8/1992 -- — — -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 — — QC-2 <br /> 12/8/1992 — 2668 582 2086 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- — <br /> 3/10/1993 — -- — — ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 — — QC-2 <br /> 3/10/1993 — 2668 547 2121 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 — — <br /> 6/16/1993 — -- — — ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 — — QC-2 <br /> 6/16/1993 -- 2668 348 2320 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- — <br /> 10/22/1993 — — — — ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 — QC-2 <br /> 10/22/1993 — 2668 590 2078 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 — <br /> 1/24/1994 -- -- — -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- — QC-2 <br /> 1/24/1994 -- — — -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 — QC-1 <br /> 1/24/1994 -- 2668 578 20 90 ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 <br /> 6!7/1994 — — — — ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 — — QC-2 <br /> 6/7/1994 — 2668 623 2045 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- 34 <br /> 9/13/1994 — — — — ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- — QC12 <br /> 9/13/1994 — 2668 639 2026 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 0 82 <br /> 1/10/1995 — — — — ND<50 — ND<0 5 ND<0 5 ND<0 5 ND<1 — — QC-2 <br /> 1/1011995 — 2668 540 2128 ND<50 — 1 ND<O 5 3 2 -- 64 <br /> 3/23/1995 — — — — ND<50 — ND<0 50 ND<0 50 ND<0 50 ND<1 0 — -- QC-2 <br /> 3/23/1995 — 2668 550 2`118 ND<50 — ND<0 50 ND<0 50 N0<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 20 50 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 21 22 60 — ND<0 5 ND<I ND<1 ND<1 26 35 <br /> 7/1/1996 — — — — ND<50 -- ND<0 5 ND<1 ND<1 ND<t ND<10 — QC-2 <br /> 711/1996 — 2668 601--1 2067 ND<50 — ND<0 5 ND<l ND<1 ND<1 ND<10 4 9 <br /> Report Date June 21,2005 Page 9 of 28 <br />