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I ). H.hLEINFELDER&ASSOCIATES <br /> : File: W--2006-1 <br /> -_ December 16, 1985 <br /> Page 3 <br /> a Placing soil borings around the excavates; area, <br /> qualitatively screening the soil samples using a Photovac <br /> photoionization detector ( PID , and performing <br /> M quantitative chemical analyses on selected samples. <br /> Evaluating the data gathered during the investigation and <br /> determining what impacts the previously leaking <br /> underground gasoline storage tank may have had on the <br /> local ground water quality. <br /> s Recommending appropriate remedial measures and/or follow- <br /> r up assessment work as warranted. <br /> IV. FIELD ACTIVITIES <br /> A. soil Borinos <br /> A total of eight soil borings were drilled on site. <br /> Four soil borings in which ground water monitoring wells <br /> were installed, were drilled on July 23, 1985 and July <br /> 26, 1985. The borings were drilled using a track- <br /> mounted Acker AD-II drill rig. The borings, in which <br /> monitoring wells were installed, were dril. tid with 10- <br /> Inch hollcw stem auger. The soil sample borings were <br /> drilled with 6-inch continuous flight augers. The <br /> locations of the monitoring wells and the soil sample <br /> borings ase shown on-P I a_te _2.___-Dur ing-the_-drII Iin - ---- <br /> Kleinfel.dex geologist classified the subsurface soils; <br /> collected soil samples; and logged the boreholes. A <br />