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From October 30, 1986 to December of 1988 this location <br /> continued with retail gasoline sales., using two (2) <br /> tanks. <br /> Regular (north ofthree) <br /> Unleaded (center of three) . <br /> Abandoned/closed (south of three) <br /> All tanks were abandoned during December of 1988. <br /> You will find a sketch has been enclosed which identi- <br /> fies the tank assignment at this location and the change <br /> g g <br /> that occurred. For your review, a scaled site plan is <br /> also enclosed, as builts of the original piping plans <br /> are non-existent. <br /> Item #2 Documentation of disposal of purged <br /> groundwater and soil cuttings <br /> You will find waste manifests are enclosed for all . <br /> wastewater generated. <br /> You will find waste manifests are enclosed for all soil <br /> which was identified as contaminated. <br /> Item #3 Luft manual procedures- <br /> No comment <br /> Item #4 Removal of underground storage tanks- <br /> My records indicate that a Mr. William Snavley of the <br /> San Joaquin County Environmental Health`District was on <br /> site on March 14, 1989 for an inspection.. ' -It is my <br /> recollection that a negotiation was made with Mr. <br /> Snavely that no soil samples be taken because of the <br /> water present in the tank vault and because of the <br /> amount of site assessment work -which -had previously been <br /> completed to characterize the site. <br /> - <br /> Monitor number 7 which was installed at -a location which <br /> was previously known as well "B" . well "B" was <br /> installed within the original tank excavation. Well 7 <br /> was drilled to a depth of 12 ' below grade surface and - <br /> therefore did not extend more than l', foot into native <br /> material. The removal of well #7 during the tank exca- <br /> vation was unavoidable. Construction details for moni- <br /> toring well 7 are enclosed. <br /> t <br />