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17863.4. Odor Impact Minimization Plan <br />(a) All compostable material handling operations and facilities shall prepare, implement and <br />maintain a site-specific odor impact minimization plan. A complete plan shall be submitted to <br />the EA with the EA Notification or permit application. <br />(b) Odor impact minimization plans shall provide guidance to on-site operation personnel by <br />describing, at a minimum, the following items. If the operator will not be implementing any of <br />these procedures, the plan shall explain why it is not necessary. <br />(1) an odor monitoring and data collection protocol for on-site odor sources, which describes the <br />proximity of possible odor receptors and a method for assessing odor impacts at the locations of <br />the possible odor receptors; and, <br />(2) a description of meteorological conditions effecting migration of odors and/or transport of <br />odor -causing material off-site. Seasonal variations that effect wind velocity and direction shall <br />also be described; and, <br />(3) a complaint response and recordkeeping protocol; and, <br />(4) a description of design considerations and/or projected ranges of optimal operation to be <br />employed in minimizing odor, including method and degree of aeration, moisture content of <br />materials, feedstock characteristics, airborne emission production, process water distribution, pad <br />and site drainage and permeability, equipment reliability, personnel training, weather event <br />impacts, utility service interruptions, and site specific concerns as applicable; and, <br />(5) a description of operating procedures for minimizing odor, including aeration, moisture <br />management, feedstock quality, drainage controls, pad maintenance, wastewater pond controls, <br />storage practices (e.g., storage time and pile geometry), contingency plans (i.e., equipment, <br />water, power, and personnel), biofiltration, and tarping as applicable <br />(c) The odor impact minimization plan shall be revised to reflect any changes, and a copy shall <br />be provided to the EA, within 30 days of those changes. <br />(d) The odor impact minimization plans shall be reviewed annually by the operator to determine <br />if any revisions are necessary. <br />(e) The odor impact minimization plan shall be used by the EA to determine whether or not the <br />operation or facility is following the procedures established by the operator. If the EA determines <br />that the odor impact minimization plan is not being followed, the EA may issue a Notice and <br />Order (pursuant to section 18304) to require the operator to either comply with the odor impact <br />minimization plan or to revise it. <br />(f) If the odor impact minimization plan is being followed, and the EA determines, in a manner <br />consistent with section 18302(d), that odor impacts are still occurring, the EA shall direct the <br />operator to prepare and implement an Odor Best Management Practice Feasibility Report <br />(Report) as specified in section 17863.4.1. The EA shall consider the results of the Report prior <br />to issuing a Notice and Order (pursuant to section 18304) requiring the operator to take <br />additional reasonable and feasible measures to minimize odors, unless: <br />(1) the EA has evidence that a specific and immediate action would reduce the odor impacts; <br />(2) there is an imminent threat to public health and safety and the environment; or <br />1 <br />SCANNED <br />