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Table 1. Water-Level Elevations <br /> it ARCO Facility 2093, Tracy, California <br /> Top-of-casing Depth-to- Floating Water-level Change since <br /> ii <br /> Well number elevation water product elevation last measurement <br /> and date (feet) (a) (feet) thickness,(feet) (feet) (feet) <br /> 7/8/92 11.72 -- 37.63 -0.16 <br /> 10/7/92 11.82 -- 37.53 -0.10 <br /> 1/18/93 11.04 -- 38.31 0.78 <br /> 4/14193 11.42 -- 37.93 -0.38 <br /> 8131193 (e) -- -- -- -- <br /> i <br /> 10/27/93 �; 11.84 -- 37.51 -0.42 <br /> 2/I7/94(e) -- -- -- -- <br /> 5/20/94(e) -- -- -- . <br /> 10/7/94 i 11.85 -- 37.50 -0.01 <br /> 12!16/94 �� 11.54 -- 37.81 0.31 <br /> ATR-7 it <br /> = 3/10/89 49:65 -- -- -- -- <br /> 6/21/89 i' 11.90 -- 37.75 <br /> 9/18/89 11.98 -- 37.67 -0.08 <br /> 12/27/89 11.94 -- 37.71 0.04 <br /> 4/18/90 .'` 12.01 -- 37.64 -0.07 <br /> 10/16/90 -- -- -- -- <br /> 10/19/90 12.20 -- 37.45 -0.19 <br /> 4/10/91 r -- -- -- -- <br /> 7110/91 �! -- -- -- -- <br /> 9/24/91 1+ 12.34 -- 37.31 -0.14 <br /> 1/23/92 -- -- -- -- <br /> 4120/92 -- -- -- -- <br /> 718/92 ; -- -- -- -- <br /> 10/7/92 12.21 -- 37.44 0.13 <br /> 1118193 11.33 -- 38.32 0.88 <br /> 4/14/93 11.75 -- 37.90 -0.42 <br /> 8/31193 12.24 -- 37.41 -0.49 <br /> 10/27/93 12.23 -- 37.42 0.01 <br /> 2118194 11.93 -- 37.72 0.30 <br /> 5120194 12.00 -- 37.65 -0.07 <br /> 10/7/94 12.23 -- 37.42 -0.23 <br /> 12,16/'94 11.94 -- 37.71 . 0.29 <br /> ATR-8 <br /> 8/25/91 45!98 -- -- -- -- <br /> 9/25/91 j' 8.85 -- 37.13 -- <br /> 1/23/92 8.29 -- 37.69 0.56 <br /> 4/20192 8.11 -- 37.87 0.18 <br /> 7/8/92 !i 8.48 -- 37.50 -0.37 <br /> 10/7/92 8.69 -- 37.29 . -0.21 <br /> 1/18/93 7.09 -- 38.89 1.60 <br /> 4/14/93 7.80 -- 38.18 -0.71 <br /> 8131/93 ! 9.81 -- 36.17 -2.01 <br /> 10/27/93 8.68 -- 37.30 1.13 <br /> 2117/94 8.25 0.14 37.83 0.53 <br /> 5/20/94 8.55 0.14 37.53 -0.30 <br /> 10/7/94 8.70 0.14 37.38 -0.15 <br /> 12/16/94 8.21 Sheen 37.77 0.39 <br />