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1 <br /> 590 µg/L was detected in the first sample (Table 2) <br /> Following the excavation of contaminated soil from the site in 1992, groundwater <br /> monitoring wells MW-2 and MW-3 were installed by representatives of GeoAudtt <br />' (Figure 2). Well MW-1 had been previously installed by another consultant for <br /> assessment of groundwater contamination at a neighboring site Minor soil contamination <br /> was encountered in MW-2 and MW-3, and groundwater contamination was detected in <br />' the first two sampling events (June and September, 1992 Table 2) Monitoring was <br /> repeated in December 1992, March and September 1993, and January 1994 No <br /> groundwater contamination was detected in the first three of these events, which were <br /> described in previous GeoAudit Quarterly Reports The results of the January 1994 <br /> monitoring are reported here <br />' TABLE 2 <br /> ANALYTICAL RESULTS OF WATER SAMPLES* <br />' Sample Date TPH as TPH as Ethyl- Total <br /> ID Sampled Gas Diesel Benzene Toluene benzene Xylenes <br /> FLOOR 2-92 --- 590 --- --- -- _-. <br /> BD-W2 3-92 --- <50 --- --- --- _-- <br />' MW-1 6-92 <5 240 <0 30 <030 <050 <0 50 <br /> 9-92 <5 54 <0 30 <0 30 <050 <050 <br /> 12-92 <50 <50 <0 30 <0 30 <0 30 <0 50 <br /> 3-93 <50 <50 <0 30 <0 30 <0 30 <0 50 <br /> 9-93 <50 <50 <0 30 <0 30 <030 <050 <br /> 1-3-94 <50 <50 <0 30 <030 <0 30 <0 50 <br />' MW-2 6-92 <5 --- <030 <030 <050 <050 <br /> 7-92 76 <br /> 9-92 5 7 <50 <0 30 <030 <050 <0 50 <br /> 12-92 <50 <50 <0 30 <030 <030 <050 <br /> 3-93 <50 <50 <0 30 <030 <0 30 <0 50 <br /> 9-93 <50 <50 <0 30 <030 <0 30 <050 <br /> 1-3-94 1 <50 <50 <0 30 <030 <030 <050 <br /> IMW-3 6-92 <50 100 <030 <030 <050 <050 <br /> 9-92 <50 <50 <0 30 <030 <050 <050 <br /> 12-92 <50 <50 <0 30 <030 <030 <0 50 <br /> I 3-93 <50 <50 <030 <0 30 <030 <050 <br /> 9-93 <50 <50 <030 <030 <0 30 <0 50 <br /> 11 1 1-3-94 1 <50 1 <50 <0 30 <030 <0 30 <0 50 <br /> I *A&S Pa+per billion(PPb) <br /> 6 <br /> r <br />