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Proposed Odor Impact Minimization Plan — Compost Facility Tracy Material Recovery Facility and Transfer Station 30703 5. MacArthur Drive, Tracy, California 95377 In the event of significant odors where a complaint has been filed, the protocol is for the Operator and/or the LEA to inspect the location of a received complaint. The Operator and/or LEA shall attempt to determine if an offensive odor exists. In the event that the complaint cannot be verified in this manner, the Operator will continue to perform self-monitoring and continue the best management practices (BMPs) described in his operating document. In the event an offensive odor is detected, the Operator and LEA shall discuss additional or enhanced BMPs to minimize the likelihood of future odor detection. The mitigation measures for windrow method would be to load out any odoriferous material to a landfill for disposal. The operator will reduce the holding time from seven days at certain times of the year where there are a high percentage of grass clippings or wet leaves to a time period which will effectively minimize odors. Section 17863.4 (b) (2) - Meteorological Data The climate in the Northern San Joaquin Valley is characterized by hot, dry summers and cool, moist winters. Most of the annual precipitation occurs as rain that falls during the winter and early spring months. Most of the rain falls during the months of November through April, with December, January, and February accounting for more than one-half of the total. Temperatures range from a monthly average low of 38.2 F in January to a monthly average high of 92.7 F in July, reported by the Western Regional Climate Center for the period of 1954 to April 30, 2007 at the Tracy Pumping Plant Station. The prevailing wind direction is from the west. If necessary, windrow turning schedules will be altered during brief periods of wet weather to ensure proper aeration of the compost piles and to maintain appropriate moisture content. There is potential for increased odors existing when turning of windrows or transferring piles that may have been on site for an average time period of 14 days. If necessary, windrow turning schedules and transferring of green material will be altered during brief periods of higher winds towards any potential receptor. Section 17863.4 (b) (3) - Complaint Response Protocol Complaints may be received by either the Operator or the LEA. • Should the LEA receive a complaint, they will notify the Operator within 24 hours and file the complaint on the attached form. • The Operator receives and reviews the complaint. 12