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Table 1 Summary of Groundwater Mont*ng Data Water Elevations and Analyses 0 <br /> ARCO Facility 2133, Stockton, California , <br /> Top-of-casing Depth-to- Product Water-level Change since Concentrations in µg/L mg/L <br /> Well number elevation, feet water, thickness, elevation, last measurement, Total <br /> and date above mean sea level in feet in feet in feet(a) in feet Benzene Toluene Ethylbenzene Xylenes TPH-G MTBE DO <br /> 7/12/90 1703 -1587 <br /> 8/I6/90 1712 -- -1596 -009 <br /> 9/17/90 1772 -- -1656 -060 -- -- ._ -- __ <br /> 9/18190 1772 -- -1656 000 100 12 45 28 1100 -- -- <br /> 10/11/90 1776 -- -1660 -004 -- -- __ -- __ <br /> 12/6/90 -- <br /> 2/12/91 <br /> _2/12/91 1728 -- -16 12 -- 33 8 72 21 840 -- -- <br /> 2/25/91 1722 -- -1606 006 -- -- -- __ -- <br /> 4/23/91 1633 -- -15 17 089 <br /> 7/16/91 1865 -- -1749 -232 <br /> 10/8/91 1900 -- -1784 -035 -- -- -- __ <br /> 1/22/92 1775 -- -1659 125 2 8 12 2 1 23 860 -- -- <br /> 4/22/92 1681 -- -1565 094 <2 1 <3 2 <1 9 <1 9 500 -- -- <br /> 7/29/92 1827 -- -17 11 -146 -- -- ._ ._ -- <br /> 10/29/92 -- -- -- -- -- -- -- -- -- -- <br /> 1/27/93 1548 -- -1432 -- <5 27 16 29 660 -- -- <br /> 4/29/93 1373 -- -1257 1 75 <3 4 <3 I <2 0 <0 9 450 -- -- <br /> 8/5/93 1543 -- -1427 -170 <5 <3 29 09 360 -- -- <br /> 11/10/93 1567 -- -1451 -024 16 06 14 06 150 -- -- <br /> 3/21/94 1509 -1393 058 29 14 08 34 68 -- -- <br /> 6/27194 1486 -- -1370 023 <0 3 <0 3 3 9 08 180 -- -- <br /> 9129/94 1605 -- -1489 -1 19 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 12/8194 1565 -- -1449 040 <0 5 <0 5 <0 5 <0 5 <50 <br /> 3/8/95 1301 -- -11 85 264 <0 5 <0 5 <0 5 <0 5 <50 --6/l/95 1169 -- -1053 132 <0 5 <0 5 3 5 12 67 --9/11/95 13 85 -- -1269 -2 16 <0 5 <0 5 05 <0 5 75 -- -- <br /> 12/5/95 1420 -1304 -035 -- -- __ -- <br /> 3/18/96 9 18 -- -802 502 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 6118196 1000 -- -884 -082 -- -- -- __ <br /> 9/25/96 1247 -- -1131 -247 <0 5 <0 5 <0 5 <0 5 56 <5 -- <br /> 12/4/96 1188 -- -1072 059 -- -- -_ _. -- <br /> 3/19197 NP 734 -- -6 18 454 <0 5 <0 5 <0 5 <0 5 <50 -- 0 19 <br /> 6/5197 887 -- -771 -153 -- -- -- -- -- -- 027 <br /> 8119197 NP 1042 -- -926 -155 <0 5 <0 5 <0 5 <0 5 54 <5 023 <br /> 4757tTABLES12133AUG7 XLS <br />