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Water Samples <br /> Table 6 summarizes the results of the laboratory analyses performed on the water samples collected from <br /> the temporary well screens installed in the exploratory borings (B-2 through B-9)and the water sample <br /> collected from monitoring well MW-1. The formal laboratory reports and chain-of-custody records are <br /> presented in Appendix B. <br /> Petroleum hydrocarbons were detected in all of the water samples collected except borings B-6 and B-8 <br /> (located to the south and west of the former reboiler unit). The petroleum hydrocarbons noted in these <br /> samples consist primarily of kerosene-range hydrocarbons and were reported at concentrations up to <br /> 47,000 pg/L(MW-1). TPH-G and BTEX levels were highest in the water samples collected from borings <br /> B-2, B-3 and B4. <br /> cca/08/18/93/9449arpt.doc/mkn4 6-6 <br />