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i <br /> After decontamination, the core barrel was driven to 16 feet, and a core taken <br /> from 16to 18'. It consisted of tan clay grading to brown to grey clay, with some <br /> areas a grey-green color. It was very firm, and difficultly plastic, with occasional <br /> inclusions of black carbonaceous (?) material. There was a very faint odor <br /> detected at IT, but it dissipated almost immediately upon exposure to the air. A <br /> portion of the core at 17 feet was preserved for analysis. <br /> Equipment was cleaned, the core barrel was driven to 22 feet, and a core taken <br /> from 22' to 24'. The core consisted of tan to brown, silty, sandy, clay with some <br /> dark grey areas. It was difficultly friable, and portions separated into 114" to 3116" <br /> "biscuits." The clay was dry, but the outside of the core barrel was wet, indicating <br /> a water contact at about 22 feet. There was a faint petroleum odor noted in <br /> portions of the core, but no visible discoloration. <br /> After cleaning equipment, a core was taken from 24' to 26'. It consisted of grey to <br /> dark brown water sand, very fine to fine-grained; soft, slightly plastic. No odor <br /> was noted, and there was no sample preserved. <br /> • A hydropunch tool was run to bottom & opened. Small diameter plastic tubing <br /> was run and retrieved sufficient water to fill four VOA's with muddy water. There <br /> was no odor or sheen noted in the preserved samples. After 5 minutes, about <br /> 114" of very fine silt had settled to the bottom. The VOA's were labeled and <br /> preserved for analysis. Refer to PLATE IV for more details. <br /> Drilling equipment was decontaminated, and the probe truck repositioned on GP- <br /> 3, as shown on PLATE II. The first core was taken at 1250 hours, and consisted <br /> of brown to dark brown clay, damp, slightly friable, with occassional inclusions of <br /> sand grains and black organic material. There was no odor or discoloration. A <br /> portion of the core at 7 feet was preserved; however, the County EHD did not <br /> require analysis. <br /> After cleaning equipment, tools were advanced to 10', and a core taken from 10' <br /> to 12'. It consisted of dark brown to dark grey clay, damp, sticky, and slightly <br /> plastic. There was a definite petroleum odor and visible contamination in portions <br /> of the core. A portion at 11 feet was preserved for analysis. <br /> Equipment was decontaminated, and a core was taken from 16' to 18' in the same <br /> manner described earlier. It consisted of light grey to dark grey silty clay, dry, <br /> friable, with a mottled appearance due to color changes. A strong petroleum odor <br /> and visible discoloration was noted throughout most of the core. A portion of the <br /> core at 17 feet was preserved for analysis. <br /> 4 <br />