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I I s Odor Impact Minimization Plan —Compost Facility i Tracy Material Recovery Facility and Transfer Station 30703 S. MacArthur Drive, Trary, California 95377 adequate appropriate feedstock, material bulk density and moisture content, availability of new or additional feedstock sources, and market demand. The Compost Facility was originally designed to have sufficient capacity to receive i and process 170 tons per day over��an area of 5 acres, with peak loads up to 180 tons per day. The Environmental Impact Report prepared in 1993, when the Conditional Use Permit was obtained from San Joaquin County, anticipated a throughput of 132 tons per day of green material and wood waste. Current operations consist of an input of approximately 35 tons per day of green waste and 35 tons per day of wood waste! i An overview of the windrow composting process is presented below: • Incoming trucks are received and weighed at the scale located near the Gate House. The scale personnel will';direct haulers to the appropriate area of the composting facility. Appropriate'signage in conformance with the requirements of 14 CCR §17867(a) (7) will be placed within the composting facility. II The facility personnel will conduct a load check during unloading. At least I one trained load-checking employee will be present during deliveries. f Contaminated and uncompostal�le materials will either be returned to the hauler or placed in bags or cans or set aside. F f li The green material, yard trimmings, and wood wastes will be processed in a portable horizontal grinder within the boundary of the compost operations [ area or deposited directly into We windrows. i • All incoming co-collected organic CCO) feedstock (80% green waste/20% food waste) will be commingled'at the point of generation from residential areas via the use of curbside green waste 'toters'. The CCO feedstock will come to the facility where the feedstock is ground on-site and then placed in E windrows. ii } it • The CCO feedstock that to be processed at the facility will be placed into an next to the under, and will be round within 24 hours of exclusive stockpileg g receipt. The processed CCO material will then be formed into elongated windrows in the CCO composting area for on-site composting. ,I • Incoming material will be shaped into piles within an average of 7 days of .i receipt for green material and within 48 hours for food waste. jj • The material is farmed into S trapezoidal-shaped windrows. Windrows are �I approximately 14 feet wide, 7 feet high, and a length that varies according to pad size. Windrows are separated by a minimum *4-foot wide access road for windrow loading, monitoring, watering, and turning. I • All information pertaining to each pile will be documented in site records and allow instant identification of pile status (e.g. start date, temperature readings, i; 5 170.18 Tracy GIMP 121907.doc }