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bailers until the temperature, H, and the conductive of the water had stabilized and a <br /> P P conductivity <br /> minimum of four well volumes were evacuated from each well No floating product was <br /> observed in any of the wells Approximately 12 to 16 gallons of water were removed from <br /> each well, with measurements collected every two gallons (Table 2) The measurements <br /> were obtained using an ICM Water Analyzer Model #52200 The purge water was stored <br /> in 55-gallon DOT-approved drums at the site After purging each well, water samples were <br /> obtained utilizing weighted single-check valve disposable bailers The samples were placed <br /> in EPA approved 40-m1 vials, capped with teflon-faced silicone septa and transported in a <br /> chilled container to Sparger Technology, Inc for analysis <br /> 3.4 Laboratory Analysis of Soil and Water Samples <br /> Selected soil samples were analyzed for total petroleum hydrocarbons (TPH) as gasoline and <br /> diesel, and volatile aromatics (BTE&X) in accordance with EPA methods 8015m and 8020, <br /> respectively Water samples were analyzed for TPH as gasoline and BTE&X in accordance <br /> with EPA methods 8015m and 602, respectively All samples were analyzed by Sparger <br />' Technology, Incorporated <br /> TABLE 1 <br /> SUMMARY OF GROUNDWATER ELEVATIONS <br /> (Feet) <br /> Well No Date Relative Casing Depth to Relative <br /> Elevation Groundwater Groundwater <br /> Elevation <br /> MW-1 2122194 9783 5529 4254 <br /> MW-2 2122194 9749 5487 4262 <br /> MW-3 2122194 9800 5533 4267 <br /> MW-4 2122194 9786 5557 - 4229 <br /> 4.0 FINDINGS <br /> 4 1 Stratigraphy <br /> i <br /> The soil borings penetrated generally fine-grained sediments from approximately 70 feet to <br /> the surface, consisting of clayey silt, silty clay, sandy silt, and gravelly silt Groundwater was <br /> encountered at approximately 55 feet below ground surface <br /> I <br /> A fine-grained interval of clayey silt, silty clay, and fine sand was encountered in Boring B1 <br /> from 75 feet to the surface A silty clay layer was encountered between approximately 40 <br /> [irry a AuwAu",,0 F 41A 17 5 8 <br />