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1 <br /> 1.0 INTRODUCTION <br /> ' This ground water investigation report has been prepared by American Geological <br /> Services, Inc for Western Refrigerating and Cold Storage Company As part of the <br /> ongoing site investigation program, this report describes the scope of work conducted at <br /> the Tracy Cold Storage site during this phase of activities The following sections <br /> describe the monitoring well installation, development and sampling, and analytical <br /> ' laboratory methodology employed A review of remediation options is also included <br /> 1.1 Site Description <br /> ' The Trac Cold Storage site is located at 24500 S MacArthur Road in T <br /> Y g racy, California <br /> (Figure 1) The property includes approximately eight acres of land which is utilized as a <br /> commercial cold storage facility for agricultural products The site is bounded on three <br /> sides by undeveloped agricultural land The northern boundary of the property is shared <br /> ' with the Southern Pacific Railroad No residences are located within 1,000 feet of the <br /> site <br /> ' Approximately 44,000 square feet of cold storage space, various maintenance buildings, <br /> and an office are located on the property Water is supplied by two on-site wells A <br /> septic system is located on-site <br /> 1.2 Site Background <br /> ' Remcor, Inc of Pittsburgh, Pennsylvania, conducted an environmental assessment in <br /> May, 1994 to determine the current environmental condition of the site Remcor's <br /> ' report, dated July 21, 1994, indicated that the potential for soil or ground water <br /> contamination existed at several locations on the property Of primary concern was a <br /> former underground gasoline storage tank that had been removed in the 1970's No <br /> ' information regarding tank condition, possible soil or ground water contamination, or <br /> subsequent investigations was provided, however, it was reported that the tank was <br /> removed because it was known to be leaking <br /> On August 4 and 5, 1994, Remcor supervised the drilling of seven soil borings Three of <br /> the borings were completed as ground water monitoring wells Both soil and ground <br /> ' water samples were collected for analysis of suspected or potential contaminants Based <br /> upon the information obtained during this investigation, it was determined that an impact <br /> had occurred in the vicinity of the former gasoline tank, and that further investigation was <br /> warranted <br /> f' <br /> CA95DE-029 American Geological Services,Inc <br /> i <br /> � l <br />