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WASTE GENERATION Waste generation projections for the TPA were based onulation growth estimates Pop g as provided by the COG and the County DPW, and 1990 baseline waste disposal and diversion estimates provided in City and County S 's. Due to the difference in waste composition and quantities of waste generated for the City of Tracy and the unincorporated areas of the County, waste estimates for the TPA were based on separate generation projections for the Tracy Area (as defined above) and the rural unincorporated of the TPA. MoNly AM Though a large percentage of planned community elopment in the region is expected to take place in the unincorporated part of the County, the majority of this development is anticipated to occur in the vicinity of Tracy. The waste generated from these developments was assumed to be proportional to the quantity and composition of waste currently disposed of in the City of Tracy. The rationale for this assumption is that future community development in the region will largely be an extension of current growth development of the City. The quantity of waste annually disposed of in the City is estimated to be approximately 48,990 tons (1990). The annual per capita waste disposal rate in 1990 was approximately 1.47 tons. These estimates are based on DPW records of weights and volumes of waste received from franchised and licensed collectors and from other commercial, industrial, and residential customers in the County. The DPW currently operates the Corral Hollow Sanitary Landfill and records incoming waste by volumetric estimates. Volumetric conversion to tons is based on the DPW conversion factor of 0.1838 tons per cubic yard - derived from volume and weight measures obtained from the County's Loveless Transfer Station. Waste disposal projections for the planning period were assumed to be in direct proportion to population growth. Estimates of waste generated on a daily basis were based on a 5-day week. Quantities of waste which were diverted in 1990 (according to estimates provided in the City of Tracy SRRE) were also projected proportional to the estimated population growth rate. The waste types included were limited to those materials which would be processed at the materials recovery facility - materials currently handled by Tracy Disposal Service through buy-back and commercial/industrial recycling operations. Diversion activities in the City which were not L:TROIECM9TMRF\RSFI.TCY EBA WASTECHNOLOGIES DRAFr B-5 December 14, 1993