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Report of Composting Site Information <br /> Tracy Material Recovery Facility and Transfer Station <br /> 30703 S. MacArthur Drive, Tracy, Ca. 95377 <br /> ratio to reduce ammonia levels. The consistent monitoring of the active compost will <br /> maximize the aerobic decomposition. Maintenance of the optimum moisture content <br /> and application of water will enhance and expedite aerobic decomposition and minimize <br /> odor emissions. Placement and maintenance of buffer zones and exterior landscaping <br /> may further mitigate odor impacts. Excessive odors from the ASP system are not <br /> anticipated due to its covered and aerated nature. <br /> The new Compostable Material Handling regulations effective April 4, 2003 require that <br /> an Odor Impact Minimization Plan (GIMP). The OIMP is provided as an attachment to <br /> this document. <br /> Dust Control: The primary sources of dust at the facility include the truck traffic, material <br /> turning, and material screening. The primary means of dust control at the compost <br /> facility will be by water truck. Periodic watering of roads and aisles between windrows <br /> will minimize dust from incoming vehicles. Maintaining appropriate moisture levels in the <br /> windrows during aeration will also help alleviate dust. The Tracy MRF/TS will avoid <br /> screening finished materials during periods of high winds to minimize dust creation and <br /> dispersion. Processing or movement of materials will be halted in high wind conditions. <br /> Good housekeeping measures are practiced, like regularly clearing roads and windrow <br /> aisles of spilled material and any blowing litter. Processing equipment uses water spray <br /> as appropriate to reduce-dust. <br /> Noise Control: Noise is controlled through the proper use and maintenance of mufflers <br /> and noise suppression systems on equipment. The below grade nature of the site, <br /> elevated roadbed and surrounding windrows should attenuate equipment noise. Noise <br /> from the aeration fans is not anticipated to be a significant noise source, as evidenced <br /> from operations at other facilities over the last several years. <br /> Vector Control: Vectors are animal, insects, and other organisms that may carry <br /> pathogens, such as mosquitoes, birds, flies, and rats, from one host to another. These <br /> vectors are frequently carried into solid waste facilities and compost facilities by delivery <br /> trucks, and may migrate on site from surrounding lands. <br /> Maintenance of appropriate temperature and moisture within active compost windrows <br /> provides excellent vector control, as the heat of decomposition both destroys pests <br /> within piles, and deters new invasion. Properly constructed drainage facilities will be <br /> provided to significantly reduce the potential for liquids and stormwater to pond on the <br /> site, mitigating the potential for mosquito propagation. Presence of vectors or <br /> conditions that could attract them will be mitigated as needed through appropriate <br /> methods. Maintenance, monitoring, and, if necessary, rebuilding of compost piles will <br /> ensure vector control. Vector eradication programs could further employ electric "bug <br /> zappers", chemical sprays, and/or traps. Commercial pest control services could be <br /> retained as necessary. <br /> Bioaerosols: Potential adverse health effects associated with airborne fungal spores, <br /> specifically Aspergillus fumigatus and or Aspergillus flavus, have raised concerns by <br /> 23 <br />