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4.2.2 Ground Water <br /> TPH-G, BTEX and phenols were not detected at or above the laboratory MRL in the ground <br /> Lwater samples analyzed. <br /> The ground water sample collected from SB-01, while below the MRL for TPH-D, was <br /> found to contain a low level TPH hydrocarbon mixture, at a concentration of 51 micrograms <br /> per liter (pg/Q. This concentration is just above the MRL of 50 µg/L, and is well below the <br /> EPA suggested no-adverse-response level of 100 µg/L, established for diesel. As reported <br /> by the laboratory, the hydrocarbon pattern present represents an unknown mixture atypical of <br /> diesel fuel in the range of n-009 to n-C40. <br /> Of the 17 CAM dissolved metals analyzed, barium and vanadium were the only dissolved <br /> metals detected above their respective MRLs. As shown in Table 2, both metals were well <br /> Lbelow their respective water quality goals. <br /> L <br /> L <br /> L <br /> L <br /> L <br /> 809-001.rpt/04-18-97/u/keydata/repons 12 <br /> TermNeXt <br />