Laserfiche WebLink
9 0 0Table 1. Summa of Groundwater Monitoring t'Y o ng Data: Water Elevations and Analyses <br /> ARCO Facility 2093, Tracy, California <br /> Floating Change Concentrations inµgll, m <br /> Top-of-casing Depth-to- product Water-level since last <br /> Well number elevation, water, thickness elevation, measurement, Total <br /> and date in feet(a) in feet i to feet in feet(b) in feet Benzene Toluene Eth lbenzene Xylenes TPH-G MTBE DO <br /> 7/10/91 Il 02 -- 3771 -035 95 <0 5 18 15 1200 <br /> 9/24/91 1129 -- 3744 -027 <0 5 <0 5 <0 5 <0 5 <50 + <br /> 1/23/92 1078 -- 3795 051 14 15 15 <0 5 180 <br /> 4/20/92 1070 -- 3803 008 -- -_ <br /> 4/21/92 -- -- -- -- 16 <0 5 2 <0 5 290 -- <br /> 7/8/92 1097 -- 3776 -- <0 5 <0 5 06 <0 5 240 -- <br /> 10/7/92 11 11 37 62 -014 -- __ <br /> 10/8/92 -- -- -- -- <0 5 <0 5 <0 5 <0 5 160 <br /> 1/18/93 994 -- 3879 -- __ <br /> -- -- -- -- -- <br /> 1/19/93 -- -- -- 25 <0 5 79 13 1000 -- <br /> 4 14/93 1047 3826 — -- <br /> 4/15/93 -- -- — -- 15 <0 5 83 09 810 . <br /> 8/31193 11 16 -- 3757 -- <0 5 <0 5 <0 5 <0 5 80 -- <br /> 10/27/93 11 11 -- 3762 005 <0 5 <0 5 <0 5 <0 5 63 <br /> 2/18/94 1073 -- 3800 038 3 5 1 4 160 <br /> 5/20/94 1082 -- 3791 -009 <0 3 2 12 17 600 <br /> 10/7/94 11 14 -- 3759 -032 <0 5 <0 5 <0 5 <0 5 660 <br /> 12/16/94 1077 -- 3796 037 65 <0 5 <0 5 <0 5 410 - <br /> 2/28/95 1080 -- 3793 -003 <0 5 06 <0 5 <0 5 60 -- -- <br /> 4/26/95 1104 -- 3769 -024 <0 5 <0 5 <0 5 <0 5 83 <br /> 7/27/95 1127 3746 -023 <0 5 <0 5 <0 5 1 2 58 -- -- <br /> 10/26/95 (c) 1051 -- 076 -- -- <br /> 10/27/95 -- -- -- <5 <0 5 <0 5 <0 5 <520 <br /> 2/12/96 960 -- -- -- 1 <0 5 <0 5 <0 5 92 _- <br /> 4/18/96 806 -- -- 154 <0 5 <0 5 <0 5 <0 5 60 <br /> 7/18/96 1011 -- -- -205 48 <0 5 <0 5 <0 5 280 14 "- <br /> 11/15/96 __ <br /> 3/14/97 1094 -- -- -- <0 5 <0 5 <0 5 <0 5 <50 <2 5 0 15 <br /> 6/4/97 NP 1026 -- — 0.68 27 <0 5 <0 5 <0 5 97 <2.5 017 <br /> ATR-6 <br /> 3/10/89 4935 -- -- -- <0 5 <0 5 <0 5 <0 5 <200 <br /> 6/21/89 1154 -- 3781 -- <0 3 <0 3 <0 3 03 <50 -- <br /> 9118189 1160 -- 3775 -006 05 13 1 03 38 <50 <br /> 12/27/89 1157 -- 3778 003 <0 3 <0 3 <0 3 04 <50 <br /> 4747kTABLES12093JUN7 XLS <br />