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O_8:.3. - $tioCfktcxl P l at i rr,7. Irwo <br /> 7rnurry 2. 1990 <br /> E'ava -2- <br /> 2. 0 INVESTIGATION <br /> James Wack of Condor Earth Technologies, Inc. (Condor) , <br /> was on site to collect soil samples following the removal of <br /> Ithe tank. The tank was in poor condition and extremely <br /> corroded on the east end. One hole ( 1 centimeter in <br /> diameter) was observed on the east end at the base of the <br /> tank. The fill material surrounding the tank consisted of <br /> light brown, medium sand and gravel . The native soil <br /> consisted of brown, clayey silt overlain by a 2-foot layer <br /> of fill . A strong petroleum odor was noticed in the brown, <br /> clayey silt beneath the tank. No groundwater was <br /> encountered in the excavation. The excavation was left open <br /> and barricaded with temporary chain link fencing following <br />' sampling procedures. <br /> 1 <br /> 2. 1 Soil Samples <br />' Two soil samples were collected from the excavation <br /> after the tank was removed (See Figure 2 for sample <br />' locations) . Sample 23WW-TKi -E was taken from beneath the <br />' east end of the tank at a depth of 10 feet below the ground <br /> surface. Sample 23WW-TK1 -W was taken from beneath the west <br />' end of the tank at a depth of 11 feet . The soil samples <br /> were taken by driving a clean brass sleeve into soil brought <br />' to the surface in a backhoe bucket . The samples were sealed <br /> CONDOR <br /> 1 <br />