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Table 1. Summary of Groundwater Moneng Data- Water Elevations and Analyses i <br /> ARCO Facility 2133, Stockton, California <br /> Top-of-casing Depth-to- Product Water-level Change since Concentrations inµg/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 /> 6/I9/90 1849 -- -1604 -092 2150 30 200 780 -- -- <br /> 7/12/90 1837 -- -1592 0 12 <br /> 8/16/90 1865 -- -1620 -028 <br /> 9117/90 19 01 -- -1656 -036 <br /> 9118/90 19 01 -- -1656 000 7400 210 860 8300 30000 -- -- <br /> 10/11/90 19 11 -- -1666 -0 10 <br /> 12/6/90 1895 -- -1650 0 16 <br /> 2114191 1862 -- -16 17 033 6300 120 560 4300 18000 -- -- <br /> 2/25/91 1859 -- -16 14 003 <br /> 4/23/91 17 87 -- -1542 072 8400 <0 50 270 680 10000 -- -- <br /> 7/15/91 Dry -- -- -- -- -- -- -- -- -- -- <br /> 10/8/91 Dry -- -- -- -- -- -- -- -- -- <br /> 1/22/92 1923 -- -1678 <br /> 4/22/92 1831 -1586 092 4300 130 560 1700 28000 -- -- <br /> 7/29/92 1960 -- -17 15 -129 <br /> 10/29/92 Dry -- -- -- -- -- -- -- -- -- -- <br /> 1/27/93 1690 -- -1445 -- 4000 110 470 800 26000 -- <br /> 4/29/93 1508 -- -1263 1 82 6300 110 920 2200 41000 -- -- <br /> 8/5/93 1680 -- -1435 -172 4700 <50 560 560 26000 -- -- <br /> 11/10/93 17 19 -- -1474 -039 2500 <50 380 690 19000 -- -- <br /> 3/21/94 1660 -- -14 15 059 1700 40 300 650 I3000 -- -- <br /> 6127194 1627 -- -13 82 033 1800 17 260 520 9400 -- <br /> 9/29/94 1723 -- -1478 -096 1200 <20 200 330 7900 -- -- <br /> 12/8/94 1683 -- -1438 040 1300 30 220 410 6800 -- -- <br /> 3/8/95 1434 -- -11 89 249 3000 <50 460 1400 39000 -- -- <br /> 6/1/95 12 75 -- -1030 159 6 9 <2 5 11 53 2300 -- -- <br /> 9/11/95 1475 -- -1230 -200 <3 4 6 14 1200 -- -- <br /> 12/5/95 1541 -- -1296 -066 <br /> 3/18/96 960 -- -7 15 5 81 059 <0 5 <0 5 065 150 -- <br /> 6/18/96 1120 -875 -160 <br /> 9/25/96 13 12 -- -1067 -192 <0 5 <0 5 <0 5 <0 5 <50 <5 -- <br /> 12/4/96 12 65 -- -1020 047 <br /> 3/19197 NP 844 -- -599 421 <0 5 <0 5 <0 5 <0 5 <50 -- 7 81 <br /> 615197 1020 -- -775 -176 -- -- -- -- -- 967 <br /> 8119197 NPI -- 1172 1 -927 -1 52 <0 5 <0 5 <0 5 <0 5 <50 <5 731 <br /> 47571TABLES12133AUG7 XLS <br />