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a) Currently the applicant conducts the majority of its activities indoors at the material recovery building consisting of approximately 45,000 square feet, including the tipping, processing and transfer of municipal solid waste and non -recyclable residues for land -filling. The tipping, sorting and processing of recyclables; vehicles and equipment maintenance takes place in a separate building. The applicant proposes to continue the current operation. The applicant is currently permitted through San Joaquin Valley Air Pollution Control District (SJVAPCD) Permit # N-3187-4-0. b) The project is currently permitted under SJVAPCD Permit # N-3187-4-0. The applicant will . continue to work with the Air District on air quality issues. SJVAPCD has been sent a referral for further review. The applicant has prepared a number of studies to address emissions of various air c -e) pollutants, Including greenhouse gas emissions. The net increase In daily and annual emissions of various air pollutants were compared with the thresholds of significance as adopted by the San Joaquin Valley Air Pollution Control District. The SJVAPCD has adopted thresholds of significance for two air pollutants. These air pollutants and the thresholds of significance are: Oxides of Nitrogen 10 tons/year, and Reactive Organic Gases 10 tons/year. The SJVAPCD has set a threshold for PM10 of 15 tons per year under their New Source Review Offset Requirements. The primary air quality study, which is entitled: Analysis of Air Quality Impacts from Mobile Sources, dated October 6, 2010 and which is available for review, concludes that emissions of various pollutants were evaluated from mobile sources associated with the proposed expansion at Tracy Material Recycling and Transfer Station. Comparisons of annual emissions with thresholds of significance indicate emissions from mobile sources would not lead to significant air quality impact. The Green muse Gas. Impact Assessment Baseline report submitted by the applicant on October 8, •610 and which is,available for review indicates that the Greenhouse Gas I~missions,(GHG) are significantly avoided by increasing recycling and composting.. The project will include composting as part of the overall operation. On July 8, 2010 the applicant submitted an Odor impact Minimization Plan (IP) to address possible odor impacts to surrounding nelgh.bors.•The GIMP indicated that the closest receptors will be operations, staff and management during operating hours to monitor the compost materials handling operation. The site is located in rural San Joaquin County away from most sensitive receptors. The California Integrated. Waste Management Board (now CalRecycle) has identified 1,000 feet as the distance required for identification of receptors,•The project site is su.rrounde -by: 1) Lone Star industries gravel mining operations on the adjacent parcel to t the west; 2�Jeichert Aggregates operation of a sand gravel mining facility ti the north; 3) tWo reside*tj�es (mobile homes) located approximately 600 feet north of the site on the east side of MacArthur Drive. There is also 1 residence approximately 1.4 miles south of the site oe`i the wesi side of MacArthur Drive. The closest residential subdivision is approximately 1 mile north. f the site along MacArthur Drive. An analysis of prevailing wind .'conditions for the site indicates wind is predominantly from the west, which could impact two residences northeast of the facility. However, the compost facility is located 30-40 feet below grade because it- ip..sited within a depression from a closed gravel quarry. This would tend to mitigate thi!k$ransfer.of odors;to surrounding properties. The following mitigation measures dgveloped,iiy.the ®IMP and *,hich.will be included in the conditions of approval for the project are as follows: 1) Operator W maintain an updated GIMP; 2) Compost feedstock shall bp. process -4 within, 7 days of receipt, and commercial food waste shall be processed within 4$ hours o jreceipt;. 3) Commercial food waste composted on-site shall use the covered aerated std ic. pile system, that encompasses the compost feedstock and forces air through a •• bio -filter to minimize odor geherat9on; 4) Compost operations shall occur on a paved surface to minimize.ponding and anaerobic,conditions that could generate odors; and Compost windrow shill not be,turned.when winds exceed 25 miles per hour to minimize odor goneration.;These mitigation: measures are expected to reduce the odor impacts to less than significant-:', Constructi(q?pactivities associated with the proposed project could generati. sOort-term emisslons:that exceed the SJVAPCD threshold criteria and contribute to the•nonattainment designatior) of the San Joaquin Valley Air Basin -for ozone and particulate ..,.