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TABLE 2-Continued <br /> Ground Water Analytical Results <br /> Concentrations to parts per billion(ppb) <br /> Monitoring Ethyl- <br /> Well Date Benzene Toluene Benzene Xylenes T'PIr <br /> MW-25 06/19/91 <05 96 72 24 3,600 <br /> 06128/9 lb --- --- --- -_- <br /> 09/20/91° -- — --- ___ <br /> 12/31/9 lb --- -- --- --- <br /> 03/04/92 <0 5 <05 0 9 16 250 <br /> 06/17/92 <0 5 <05 <0 5 <05 <50 <br /> MW-27 06/19/91b --- --- --- -- — <br /> 06/28/91 280 140 15 160 5,200 <br /> 09/20/91 46 23 15 67 820 <br /> 12/31/91 210 37 43 110 5,000 <br /> 03/04/92 16 1 2 09 15 530 <br /> 06/17/92 20 17 76 37 2,300 <br /> RW-1 06/19/91b --- -- --- _— _- <br /> 06/28/91 14 <05 <0 5 26 200 <br /> 09/20/91 63 26 <0 5 42 220 <br /> 12/31/91 <05 06 <0 5 09 <50 <br /> 03/04/92 <05 <0 5 <05 <0 5 <50 <br /> 06/27/92 43 07 <05 2 7 82 <br /> a Total petroleum hydrocarbon as gasoline <br /> b Sample not collected due to no recharge after purging <br /> c Dry well <br /> d Sample not collected due to presence of free product <br /> NOTE This table includes analytical results for monitoring wells which have been sampled or have contained <br /> free product, since June 1991 A summary of analytical results for ground water samples collected at <br /> the site since 1985 is compiled in Enclosure C <br /> LRP051 TA <br />