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Table 1. Water-Level Elevations for <br /> ARCO Facility 2093, Tracy, California <br /> Top-ot-casing Depth-to- Floating Water-level Change since <br /> Well number elevation, water, product thickness elevation, last measurement, <br /> and date in feet(a) in teet in teet in feet(b) in feet <br /> ATR-1 <br /> 4/23/87 5058 1249 3809 -- <br /> 12/22/87 1263 -- 3795 -014 <br /> 3/24/88 1254 -- 3804 009 <br /> 6/23/88 1283 -- 3775 -029 <br /> 9/29/88 1301 -- 3757 -0 18 <br /> 2/22/89 1246 -- 38 12 055 <br /> 6/21189 1237 -- 3821 009 <br /> 9/18/89 12 88 -- 3770 -051 <br /> 12/27/89 1268 -- 3790 020 <br /> 4/18/90 1284 -- 3774 -016 <br /> 10/16/90 <br /> 10/19/90 13 10 3748 -026 <br /> 1/10191 1278 -- 3780 032 <br /> 4/10/91 1252 -- 3806 026 <br /> 7110/91 1295 -- 3763 -043 <br /> 9/24/91 1330 -- 3728 -035 <br /> 1/23/92 1277 -- 3781 053 <br /> 4/20/92 1258 - 3800 019 <br /> 718/92 1290 -- 3768 -032 <br /> 1017/92 1309 3749 -019 <br /> 1/18/93 (c) <br /> 4/14/93 123138== 27 078 <br /> 8/30/93 13 18 3740 -087 <br /> 10/27/93 13 13 -- 3745 005 <br /> 2118/94 1265 -- 3793 048 <br /> 5/20194 1271 -- 3787 -006 <br /> 10/7/94 13 14 -- 3744 -043 <br /> 12/16/94 1274 -- 37 84 04 <br /> 2/28/95 1265 -- 3793 009 <br /> 4/26/95 1290 -- 3768 -025 <br /> 7127195 13 22 -- 37 36 -032 <br /> 10/26/95 1340 -- 37.18 -018 <br /> ATR-2 <br /> 4/23/87 4922 11 28 -- 3794 -_ <br /> 12/22/87 11 40 - 37 82 -012 <br /> 3/24/88 11 35 -- 3787 005 <br /> 6123/88 11 55 -- 3767 -020 <br /> 9/29/88 11 71 -- 37 51 -016 <br /> 2/22/89 11 35 37 87 036 <br /> 6/21/89 11 45 -- 3777 -010 <br /> 9/18/89 11 65 -- 3757 -020 <br /> 12/27/89 11 50 -- 37 72 015 <br /> 4/18/90 11 64 -- 3758 -014 <br /> 10/16/90 11 81 3741 -017 <br /> 10/19/90 11 81 - 3741 000 <br /> 1/10191 11 58 == 37 64 023 <br /> 4/10/91 11 35 37 87 023 <br /> 7/10/91 11 74 -- 3748 -039 <br /> 9124/91 1202 - 3720 -028 <br /> 1/23/92 11 60 3762 042 <br /> 4120/92 11 53 -- 3769 007 <br />