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E <br /> l <br /> Ei <br /> 6/15101 <br /> Tank 2 was inerted by placing the appropriate amount of dry;ice inside and monitoring the oxygen <br /> level and LEL for gasoline. When safe levels for the monitored parameters were reached, <br /> excavation resumed and Tank 2 was removed. Final excavation dimension 30 feet x 11 feet x 10 <br /> feet. Contamination was evident in impacted soil. Moderate to high diesel and heavy end petroleum <br /> hydrocarbon odor was evident along excavation floor; sidewallsl'appeared to be clean. Water was not <br /> visible; however, groundwater samples were taken from below the center of each respective tank <br /> location. Had backhoe operator dig down a few feet to access water for sample collection. Soil <br /> samples were collected from the eastern and western ends of the tank along the floor of the pit approximately <br /> 2 feet below the tank bottom. Discrete stockpile samples were collected from east and west ends. 40 cu yd <br /> removed in Tank 2 location. Approximate total volume of soil removed=91 cu yd. Analysis: TPHd,TPHg, <br /> gasoline oxygenates,BTEX,total lead. <br /> iL <br /> ;l <br /> I <br /> :i <br /> ,I <br /> .4 <br /> 3 <br /> iE <br /> 4 <br /> E <br /> 3 of 3 <br />