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Nov 19 2004 4: 31PM Chapin Brothers Investmen 209-464-6947 _ p. 1 <br /> 7 <br /> HISTORY OF SITE (1766 Mounte Diablo) <br /> Since March 25, 1946 the two brothers(Russell tit Charles Chapin)subleased the <br /> property and all improvements including the storage tanks from the Shell Oil Co. This <br /> property was later acquired under the name of Chapin Bros, Inc. <br /> In 1972 one 8,000 storage tank was replaced by the Shell Oil. It was estimated that <br /> approximately 1ha thou d gallons of fue were log over a sixty day(60) <br /> The holes were observed in the former tank ager removal <br /> At all times the tank operated under a permit from the San Joaquin County Health <br /> District and had passed all integrity tests. <br /> In the early 1990's Chapin Bros. Inc desired to bell the property and aware of the <br /> previous gas spill anticipated that an investigation would be repaired to evaluate the <br /> degree and spatial extent of contamination. <br /> In October 31, 1990 the necessary permits to remove all storage tants was obtained. The <br /> firm of ROGER'FOOT ASSOCIATES, INC. provided the propoeed sclnedute of charges <br /> and general conditions. <br /> Upon receiving the necessary iow interest loan froth Ca. Trade &Commerce the <br /> investigative work including the tank removal commenced. The investiga'ave work or: <br /> the ®ub-surface analyses of soil samples indicated contatninaLion had occurred below the <br /> tank level prior to removal of the petroleum storage and dispensing system. <br /> On April 6, 1992 the State Water Board gave 1:s notice of acceptance as a priority`B" <br /> claim number 557, <br /> 7hc process was highly regulated, preliminarywork included' <br /> Bids to define subsurface environmental investigation to evaluate The degree and <br /> Lateral extent of the site <br /> Request bids for proposal (R.F.S..)Remediation Feasibility Study <br /> Request bids for a (R.F.F.) Remedial Feasibility dart <br />