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f. <br /> Ground Zero Analysis,. Inc. <br /> SITE SAFETY PLAN <br /> i <br /> FACILITY BACKGROUND <br /> On June 9, 1992, one gasoline UST was removed from the site. Notes from PHS/EHD state <br /> that the tank was rusty but did not contain holes. No odor or discoloration was noted in the tank <br /> pit, except in native soil beneath the east end of the tank. Two soil samples were collected from <br /> native soil beneath the tank and analyzed for total petroleum hydrocarbons as gasoline (TPHg), <br /> benzene, toluene, ethylbenzene, and total xylenes (BTEX). The eastern soil sample reportedly <br /> contained 3,300 parts per million (ppm) TPHg, 20 ppm ethylbenzene, and 210 ppm total <br /> xylenes. The western sample did not contain any detectable TPHg and BTEX. <br /> WORK PLAN <br /> Task 1 <br /> Advance up to four soil borings at the site. One boring, located at.the eastern end of the former <br /> UST pit, will be advanced to 40 feet, the historical low groundwater elevation. The three lateral <br /> borings will be advanced to groundwater,': <br /> approximately 35 feet bgs. Soil 'samples and <br /> groundwater samples will be collected and submitted for laboratory analysis. <br /> I <br /> { <br /> i <br /> I <br /> Page 2 <br />