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Third Quarter 2001 Ground Water Monitoring Report <br /> CEeanu and Abatement Order NO 5-00 707 CAE Pro ert No 1232 <br /> 4,5 Analytical Testing Results <br /> No MTBE, TBA, D1PE, ETBE, TAME, or EDB above laboratory reporting limits were detected <br />' 1n any of the ground water samples <br /> Similar to lower hydrocarbon concentrations were generally observed during this sampling event <br />' when compared to the prior quarters data The exception was well MW-3 which generally <br /> indicated higher hydrocarbon concentrations (see Table 1) <br /> Water elevations in wells MW-23S/MW-23D, MW-24S/MW-24D, and MW-25S/MW-25D <br /> indicate ground water at the site flows from the shallow zone toward the deeper zone (see Table <br /> 2) Two new deeper zone wells MW-8D and MW-9 were installed during the current quarter <br />' The higher than anticipated hydrocarbon concentrations in these two wells may be the result of <br /> the well installation process, > e , shallow zone water may have entered the deeper zone during <br /> well installation This same reasoning may explain why hydrocarbon concentrations to wells <br /> MW-23S and MW-23D have steadily decreased since these wells were installed <br /> 46 Future Activities <br /> The next quarterly ground water monitoring for the site is scheduled for December 2001 A <br /> report documenting results of the ground water monitoring will be submitted to the RWQCB by <br /> Tanuary 15, 2002 <br />' BHM 123280192 7 E A le <br />