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Project Description - Report of Composting Site Information Tracy Material Recovery Facility and Transfer Station 30703 S. MacArthur Drive, Tracy, California 95377 Technology Application Section 3 Pile, enclosed aerated static ("CTI Systemim 11) The enclosed vessel composting system operated by the TMRITS and CF for processing mixed solid waste, pre and post-consumer food material and green material is designed and distributed by Compost Technologies Inc. (CTI). The CTI SystemTM provides a method to aerobically decompose organic waste through aeration, compaction, and continual percolation of moisture. The collapsible, portable bag system produces beneficial soil amendments and fertilizers. All methods and . procedures used by The TMRITS and CF shall be pursuant to manufacturer's specifications. b. A descriptive statement of the operations conducted at the facility • Feedstocks The feedstock material for the existing enclosed vessel system consists of pre and post-consumer food wastes from residential, commercial and industrial sectors mixed with a bulking additive to provide porosity in bags that are 12 feet wide and 185 feet long. Non-com' postable materials removed from accepted loads of feedstock material will be handled as previously described. This will aid in reducing the overall residual percentage generated through the in-vessel composting method. • Load Checking and Process Liquids The food waste will be mixed with the bulking agent (green materials and wood chips) and process liquid added to achieve the desired moisture content. The process liquid will be absorbed as all the materials are combined. The combination of these waste streams will then be placed into the CTI System TM bag. The process liquids are both desirable and needed for the CTI SystennTm. If necessary, additional green material or wood chip material may be used to absorb free liquids. This green material or wood chip material would then be introduced as feedstock into the mixer for bagging in the CTI SystemTm. Areas where waste accumulates will be cleaned to ' control odors, rodent attraction, or fly breeding. • Odor Control Operational practices will be key contributors to effective odor control. Thorough inspections of incoming loads coupled with prompt blending of yard and organic wastes, plus rapid movement of feedstock from the CTI feedstock prodessinglmixing area into the fully enclosed composting bags are all essential operating steps. Under normal operations, wastes will be processed into bags within 48 hours of receipt. • gagging The feedstock is placed into a bagging machine that fills an elongated thermoplastic 8-mil laminated plastic composting bag and installs two air vent pipes to assist 1 38 Edgar&Associates,Inc. Tracy Compost Fac Proj Deso04231 0