ARCHIVED REPORTS_XR0008047 CASE 1

Home Browse Search

tlel Groundwater Elevation and Analytical Data Former BP Retail Site No 11194 2375 Tracy Blvd, Tracy, CA TOC Depth to Water Level Ethyl- Total Well Date PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO Number Sampled NP (feet msl) (feet bgs) (feet ms I) 4,g/L) (pg/L) (pg/L) (pg/L) (P91L) (pg/L) (pg/L) (mg/L) Comments MW-1 07/30/2004 P 2688 691 1997 <50 <050 <0 50 <050 <0 50 <0 50 10/28/2004 2688 678 2010 -- -- - - Sampled Annually 3rd Quarter 01/31/2005 2688 598 2090 - - Sampled Annually 3rd Quarter 04/29/2005 2688 638 2050 - - -- Sampled Annually 3rd Quarter 07/29/2005 P 2688 688 2000 <50 <0 50 <050 <0 50 <0 50 <0 50 10/28/2005 — 2688 672 2016 — -- — — — — — - Sampled Annually 3rd Quarter MW 2 11/20/1987 -- -- -- ND<50 N0<0 5 ND<O 5 ND<O 5 3/13/1988 - 2633 5 67 2066 3/23/1988 2633 563 2070 ND<50 ND<O 5 ND<O 5 ND<0 5 -- 6/7/1988 - 26 33 5 70 20 63 10/18/1988 2633 570 2063 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<O 5 2/15/1990 2633 535 2098 50 43 0 8 0 7 1 6 4/26/1990 2633 550 2083 -- - -- 7/12/1990 2633 548 2085 80 - 04 1 3 05 15 8/27/1990 - 2633 580 2053 - - -- __ _ 11/2/1990 2633 585 2048 -- 11/5/1990 2633 587 2046 ND<50 ND<O 3 I ND<0 3 ND<O 3 ND<0 3 2/25/1991 2633 534 2099 ND<50 ND<0 3 ND<0 3 ND<O 3 ND<O 3 6/27/1991 26 33 607 2026 ND<50 ND<0 5 ND<O 5 ND<0 5 ND<0 5 - 9/25/1991 26 33 636 1997' ND<0 30 ND<0 30 ND<O 30 ND<O 30 ND<O 30 12/10/1991 26 33 586 2047 ND<0 30 ND<O 30 ND<O 30 ND<0 30 ND<0 30 3/25/1992 2633 542 2091 240 42 1 8 0 8 38 - 6/25/1992 2633 733 1900 ND<30 ND<0 30 ND<0 30 ND<O 30 ND<O 30 12/8/1992 2633 591 2042 61 ND<O 5 ND<O 5 ND<O 5 ND<O 5 3/10/1993 2633 569 2064 220 35 06 57 92 6/16/1993 2633 353 2280 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 - 10/22/1993 -- -- - - 460 - 09 07 1 4 08 1,700 QC-1 10/22/1993 2633 606 2027 460 1 06 1 4 0 8 1,600 1124/1694F---- 2633 563 2070 ND<50 7 ND<0 5 ND<0 5 ND<O 5 0 6 209 - 6/7/1994 2633 6 08 2025 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 0 28 Report Date December 1,2005 Page 13 of 29