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2373 Mariposa Road August 16, 1999 Pro ect 9688 Page 2 The site and surrounding area are all essentially level and are at an approximate elevation of 27 feet Mean Sea Level (MSL) The surrounding area is rural with several industrial type facilities scattered throughout There is an industrial facility directly to the east of the site A Site Plan, Figure 2 of Appendix A, shows the area of the tank removal excavation, nearby buildings and property lines Directly to the southeast of the site is another industrial facility It's precise business is unknown, but there is a pump island which has several fuel dispensers on it The pump island is within 15 feet of the site and appears to be serviced by three underground storage tanks within 10 feet of the site At the time of the WDE drilling and sampling episode, there were several areas of stained pavement and ponded diesel fuel, all within 5 feet of the property line The approximate location of the pump islands and stained and ponded areas are shown on Figure 3 of Appendix A There is also a monitoring well on the adjacent property In the company of ' Mr Infurna, the well was sounded and the water level was determined to be 58 75 feet below the casing top The purpose of the monitoring well was unknown, but the facility manager or owner indicated that there were plans to close the well bf Site Plan ' The subject site along with the various buildings and the estimated locations of the tanks and previous samples and borings are shown on the Site Plan, Figure 2 of Appendix A Figure 3 of Appendix A shows the WDE boring and the pertinent fuel Mems on the adjacent property The Site Plan also shows the nearby streets Site History Two underground gasoline storage tank (one 500 gallon and one 1,000 gallon) ' were located at the site Research indicates that the tanks were installed by a previous tenant of the site at an unknown date The tanks were removed in either 1986 or 1987 but the operations were not witnessed by the EHD or any other regulatory agency In 1991 in order to comply with regulations, three samples were taken from the tank removal excavation and one from soil stockpiled on site On October 15, 1991, the sampling was carried out under the observation of EHD Specifics of the October 15, 1991 sampling episode are attached in Appendix B The locations of the three excavation samples are shown on the attached Figure 2 The reason for the analyses selected was not discerned WILLIAM DUBOVSKY ENVIRONMENTAL