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Lodi City Landfill November 16,2011 ® North of Awani Drive,Lodi,California Project No. 104690061 In May 1985,J.H. Kleinfelder prepared a report titled "Report Geotechnical Investigation Pro- posed River Pointe Subdivision, Lodi, California."In their report it was concluded that the major concern on the site from a geotechnical standpoint is the presence of significant amounts of un- controlled fill and debris and an extremely large pit up to approximately 15 to 20 feet deep or deeper near the center of the site that required backfilling. Kleinfelder stated, "It is our opinion that the concrete portions of the debris can be buried in proposed Engineered Fills provided they are below the depth of any proposed or future possible excavations." In May 1992, a Draft Environmental Impact Report was prepared by Kreines& Kreines titled "River Pointe General Plan Amendment, Rezoning and Tentative Map, Draft Environmental Impact Report."The report indicated that the project encompasses a 12.11-acre rectangular site bound by the Mokelumne River to the north,Turner Road to the south two communities to the west and southern Pacific Railroad tracks to the east.The proposed development would consist of 45 single-family lots and a homeowners association would own and maintain the private street. As indicated in the report, the site was formerly a winery and distillation facility for 77 years, beginning in 1909.An on site storage tank from the winery was previously removed from the site and during this removal process soil contamination was noted. Reportedly, the project applicant carried out "extensive soil and groundwater testing. The removal of the storage tank and testing process resulted in the creation of large stockpiles on the project site consisting of clean soil, AMIL contaminated soil, and rubble from the demolished winery buildings and driveways. Approxi- mately two thirds of the site is disturbed be either excavation or stockpiling, as shown in Exhibit 8."(Appendix A). The EIR indicated that several reports on the cleanup of the stockpiled soils on the project site were prepared by the current and previous site owners and submitted to various regulatory agen- cies. The report stated, "The existence of hazardous materials on the project site and cleanup of the project site are not a part of the proposed project under study in this EIR. However, the cleanup of the project site must be completed before the project site could be graded prior to construction. It was indicated, "According to the project site owners, the drying ponds were tested for contamination by a former owner of the project site in the 1980' and no contamination was found." (Documentation pertaining to this testing and the analytical results was not avail- able). According to the EIR, the drying ponds are part of a floodplain terrace, which comprises the northern one-third of the project site. In February 1993,Wm. J. Hunter &Associates (WJH) prepared a report titled "Final Report and Closure Plan, I West Turner Road, Lodi, CA Site Code 2195" for the San Joaquin County Public Health Service Environmental Health Division. Based on the report, the property was used as a winery and distillery from 1909 to 1986 at which time operations were discontinued and usable equipment and fixtures were removed from the site. In 1988, Richard Thorpe, Jim Thorpe Oil, Inc. purchased the property for the purpose of removing existing buildings, tanks and other features and converting the site to residential use. It was indicated that in the process of abandoning the buildings and underground storage tanks, a large concrete bunker was uncovered and removed which had contaminated the surrounding soil,and possibly groundwater. • 104690061 x snal.aoc 9 r: