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Report of Composting Site Information <br /> Tracy Material Recovery and Transfer Facility <br /> 30703 S. MacArthur Drive, Tracy, Ca. 95377 <br /> • Material Delivery - The Tracy Material Recovery & Transfer Facility plans to <br /> operate 24 hours per day seven days per week. The facility will accept commercial <br /> loads from 4:00 a.m. to 6:00 p.m. and self-haul loads from 6:00 a.m. to 6:00 p.m., <br /> Monday through Saturday. <br /> • Receiving - Green material, food waste, wood wastes and other organic materials <br /> enter the Tracy Material Recovery & Transfer Facility site through the gatehouse <br /> and scale. Materials are evaluated for acceptability and pertinent data as to type <br /> of material, source, weight and vehicle are recorded. Unacceptable materials are <br /> rejected. <br /> • Unloading - Acceptable materials are unloaded in a designated area and <br /> segregated by type such as yard waste, wood waste and salvageable lumber. <br /> Sorters check the loads for unacceptable material and contaminants. <br /> • Size-Reduction and Mixing - Materials are processed through a tub grinder <br /> where they are shredded and ground. Composting mixes are prepared in one <br /> process by alternating loads of various feedstocks into the grinder. <br /> • Screening - Ground materials are screened into various sizes depending on the <br /> product to be produced. Contaminants are removed. <br /> • Wood Products - Various products such as mulch, landscape chips, and co- <br /> generation fuel are stored or shipped off-site. <br /> • Windrowing - Some of the ground materials are placed in windrows for <br /> composting. The rapid decomposition phase of the process will take <br /> approximately 12 weeks. The curing phase of the composting process will take <br /> approximately 8 weeks. <br /> • Aerated Static Pile - Some of the ground materials, particularly those with food <br /> waste content greater than 15%, are placed in aerated static piles for <br /> composting. <br /> • Screening - Finished compost will be screened based on the product to be <br /> produced. <br /> • Storage - Finished compost products are moved to a storage area or shipped off- <br /> site. <br /> Material Processing and Load Checking <br /> When a truck enters the facility, it is weighed and the organic material is unloaded from <br /> the trailer. The facility's scale personnel are trained to screen incoming vehicles for <br /> presence of unacceptable wastes. This applies to those wastes delivered by <br /> commercial haulers, governmental agencies, self-haulers or landscapers. <br /> 19 <br />