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Proposed Odor Impact Minimization Plan — Compost Facility Tracy Material Recovery Facility and Transfer Station 30703 S. MacArthur Drive, Tracy, California 95377 • The LEA and/or the Operator will go to the location of the complaint to verify that the site is responsible for the odor. • The Operator documents complaints in the site operations log. • The Operator assesses the complaint and makes recommendations to the LEA within 24 hours of receiving the complaint or 48 hours should the citizen complaint be received on a weekend or holiday. • The Operator implements reasonable recommendations suggested by LEA. As long as the Operator continues to implement reasonable recommendations and proceeds in good faith to improve the operations to a level that meets the recommended changes and design goals, the Operator will continue operations utilizing best management practices. • The Operator, LEA, and complainant (if known and choosing to participate) meet within a reasonable time frame to assess the original problem and results from implementing the recommendations. • Results and actions must be documented in the site operations log, which serves as the operation's permanent record. Section 17863.4 (b) (4) - Design Considerations and Procedures to Minimize Odors. Facility Siting: The siting of the green material composting operations in remote rural San Joaquin County, away from many sensitive receptors and in a closed gravel quarry that is 30 to 40 feet below grade, meets the optimal siting criteria to reduce the potential for odor complaints. Proper Drainage: Standing water is a potential source of odors. The pad is paved asphalt -concrete and is sloped to drain at a minimum of 1%. The pad is maintained to prevent ponding. On-site drainage is controlled by use of drainage ditches surrounding the perimeter of the facility and directing all surface water flow toward the storm water retention basin adjacent to the compost pad, which is maintained to prevent sedimentation and organic loading that could potentially cause odors. Feedstock characteristics: Feedstocks are managed to minimize odors utilizing the following procedures during the composting process: Load Check Program The workers at the compost facility are trained to screen incoming vehicles for presence of unacceptable wastes. All loads will be checked prior to loading the material into the processing equipment or windrows. Unacceptable material that does not pose an immediate threat to public 13