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16 <br /> Railroad. No residences are located within 1,000 feet of the site. Approximately 44,000 square <br /> feet of cold storage space, various maintenance buildings, and an office are located on the <br /> ' property. Water is supplied by two on-site wells. A septic system is located on-site. <br /> ' 2.2 Previous Investigations <br /> Remcor, Inc. of Pittsburgh, Pennsylvania, conducted an environmental assessment in May, 1994 <br /> to determine the current environmental condition of the site. Remcor's report, dated July 21, <br /> 1994, indicated that the potential for soil or ground water contamination existed at several <br /> locations on the property. Of primary concern was a former underground gasoline storage tank <br /> ' that had been removed in the 1970's. No information regarding tank condition, possible soil or <br /> ground water contamination, or subsequent investigations was provided, however, it was <br /> reported that the tank was removed because it was known to be leaking. <br /> ' On August 4 and 5, 1994, Remcor supervised the drillingof seven soil borings. Three of the <br /> g <br /> borings were completed as ground water monitoring wells. Both soil and ground water samples <br /> were collected for analysis of suspected or potential contaminants. Based upon the information <br /> obtained during this investigation, it was determined that an impact had occured in the vicinity of <br /> the former gasoline tank, and that further investigation was warranted. <br /> On August 24 and 25, 1994, Remcor installed an additional seven soil borings and three <br /> monitoring wells to further define the lateral extent of soil and ground water contamination <br /> identified in the initial phase of work. <br /> American Geological Services, Inc. installed three additional monitoring wells on March 8, 1996. <br /> Two wells were installed to further define the lateral extent of soil and ground water <br /> contamination, and one well was installed in the down gradient direction to determine the <br /> vertical extent of the ground water plume. The lateral and vertical extent of ground water <br /> contaminations was determined to have been defined during this last phase of investigation. <br /> 2.3 Site Geology <br /> ' The subsurface geology of the site was determined by logging soil samples collected at various <br /> intervals during the initial and supplemental site investigations performed by Remcor, and <br /> American Geological Services. The maximum depth of boring was 45 feet below grade. <br /> ' Remcor reported that dark brown silty clay dominates the stratigraphy from within one foot of <br /> p Y <br /> the surface to the bottom of their borings installed to 18 feet below grade. In general, fine sand <br /> was found within the silty clay unit near the bottom of the borings. <br /> CA95DE-029 <br /> American Geological Services, Inc. <br /> 1 2 <br />