ARCHIVED REPORTS_XR0007553 - Laserfiche WebLink

Home Browse Search

• i • Table 1 Groundwater Elevation and Analytical Data ARCO Service Station No 2093 3425 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 msl) (pq/L) (pig/L) (pg1L) (pg1L) (pg/L) Wg/L) (p91L) (mg/L) Comments ATR-7 06/01/2004 -- 2144 1248 896 -- — — — -- -- — Not Sampled ATR-8 8/25/1991 — 4598 -- -- 2,700 -- 110 <0 5 130 98 — -- 9/25/1991 — 4598 885 3713 1,400 -- 95 <05 51 97 — — 1/23/1992 - 4598 829 3769 <50 25 <05 <0 5 <0 5 -- — 4/20/1992 4598 811 3787 — — — — — -- 4/21/1992 -- 4598 -- — 140 — 14 09 14 9 3 -- — 7/8/1992 — 4598 848 3750 87 — 4 <0 5 92 0 8 — -- 10/7/1992 -- 4598 8 69 3729 — — — -- -- — — — 10/8/1992 — 4598 — — 140 - 78 3 2 11 88 - — 1/18/1993 4598 709 3889 — - -- -- — -- — — 1/19/1993 — 4598 — — 980 -- 14 1 7 11 34 — -- 4/14/1993 — 4598 780 3818 -- — — — — — - -- 4/15/1993 — 4598 — -- 110 — 42 <0 5 4 6 4 9 — -- 8/31/1993 — 4598 981 3617 700 -- 15 15 41 71 — -- 10/27/1993 -- 4598 868 3730 52 000 — 620 2,100 2,800 8,700 -- — 2/17/1994 -- 4598 825 3784 -- - -- -- -- — -- — ^,0 14 ft free product present 5/20/1994 -- 4598 855 3754 — — - -- -- -- -- — ",014 ft free product present 10/7/1994 -- 4598 870 3738 — - — — — -- — — ^ 0 14 ft free product present 12/16/1994 -- 4598 821 3777 -- — — — — — -- Sheen 2/28/1995 — 4598 845 3755 -- -- __ -- — -- — ",0 02 ft free product present 4/26/1995 — 4598 851 3786 — — -- — -- — -- — ",0 5 ft free product present 7/27/1995 — 4598 985 3622 -- - — — — — -- " 012 ft free product present 10/26/1995 — 4598 928 3672 -- -- _ _ w _ _ _ ^,0 03 ft free product present 2/12/1996 — 4598 7 87 3813 -- — -- -- -- — A.0 02 ft free product present 4/18/1996 -- 4598 845 3755 — — — - — -- - — ^,0 02 ft free product present 7/1811996 -- 4598 895 3703 88,000 -- 72 220 620 2,500 <500 — Report Date July 15, 2004 Page 15 of 26