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0 0 9 - <br /> Table 1. Summary of Groundwater Monitoring Data: Water Elevations and Analyses <br /> ARCO Facility 2133, Stockton, California <br /> Tap-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 /> 4/29/93 13 19 -- -1254 1 80 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 8/5/93 1477 -- -14 12 -158 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 1 1/10/93 1483 -14 18 -006 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 3/21/94 1430 -- -1365 053 <0 3 <0 3 <0 3 <0 5 <10 -- -- <br /> 6/27/94 1422 -13 57 008 <0 3 <0 3 <0 3 <0 5 <10 -- -- <br /> 9/29/94 1541 -1476 -1 19 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 12/8/94 1506 -1441 035 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 3/8195 1255 -- -1190 251 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 6/1195 11 09 -- -1044 146 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 9/1 1/95 1326 -1261 -2 17 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 12/5/95 1364 -- -1299 -038 <br /> 3/18/96 845 -- -780 5 19 <0 5 <0 5 <0 5 <0 5 <50 -- -- <br /> 6/18/95 945 -- -8 80 -100 -- -- -- .- -- -- <br /> 9/25/96 11 83 -- -11 18 -238 <0 5 <0 5 <0 5 <0 5 <50 <5 -- <br /> 12/4/96 1129 -- -1064 054 -- -- -- -- -- -- -- <br /> 3/19/97 683 -- -6 18 446 <0 5 <0 5 <0 5 <0 5 <50 -- 226 <br /> 615/97 853 -- -789 -1.70 -- -- -- -- -- -- 078 <br /> 13HD-1 058 <br /> 8/26/88 -- -- -- 6050 220 2000 1000 -- -- -- <br /> 11/28/88 -- -- -- -- 1870 <100 480 100 -- -- -- <br /> 2/27/89 -- -- -- -- -- -- -- -- -- -- <br /> 5/30/89 -- -- -- -- 2900 120 870 780 -- -- -- <br /> 8/22/89 -- -- -- -- 1450 300 890 1170 -- -- <br /> 12/4/89 -- -- -- -- 1400 170 1600 2800 -- -- -- <br /> 1/4/90 15 70 -- -15 12 <br /> 2/1190 1542 -- -1484 028 <br /> 2/15/90 1539 -- -1481 003 <br /> 2/22/90 1622 -- -1564 -083 <br /> 3/8/90 15 17 -- -1459 105 1250 50 1870 1360 -- -- -- <br /> 4/5/90 1538 -- -1480 -021 <br /> 4/19/90 1558 -- -1500 -020 <br /> 5/10/90 1592 -1534 -034 <br /> 5/24/90 1589 -- -1531 003 <br /> 4757kIABI,B\2133JUN7 XLS <br />