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♦ Moisture content-approximately 50 to 60 percent <br /> ♦ C:N ratio -greater than approximately 25:1 <br /> ♦ Density- less than approximately 1,000 pounds per cubic yard <br /> ♦ Porosity structure-as necessary to maintain aerobic conditions <br /> Moisture content is monitored based on knowledge of incoming moisture content, <br /> moisture addition, and by manual and laboratory testing. Piles are watered and/or <br /> turned based on the results of monitoring. All operating standards defined by State <br /> composting regulations are and will continue to be followed. <br /> 3.3 FEEDSTOCK CHARACTERISTICS AND QUALITY <br /> The Compost Facility handles the feedstock materials listed in Section 1.0. Incoming <br /> materials are checked for physical contaminants. The load inspection process <br /> begins at the RRF. The loads are spread out in the material sorting area (see Figure <br /> 1) and the entire load is checked for unacceptable or prohibited waste. Loads of <br /> material that have been processed prior to arriving at the Compost Facility are <br /> visually inspected to ensure that contaminants are removed. <br /> Feedstock, such as food processing residue, is incorporated immediately into <br /> compost piles to minimize the chance of vector attraction and reproduction and odor <br /> production. Semi-solid and liquid feedstocks are added to other drier feedstocks at a <br /> rate to meet the composting mixture moisture criteria, thus minimizing the potential <br /> for free-liquid formation. Semi-solid and liquid feedstocks are incorporated <br /> immediately into compost piles to minimize the chance of vector attraction and <br /> reproduction and odor production. Other highly putresible wastes, such as grass, are <br /> also incorporated immediately into compost to minimize the chance of vector <br /> attraction and reproduction and odor production. All feedstocks are mixed in <br /> proportions that promote efficient composting, aerobic conditions, and minimize <br /> ammonia odor release. <br /> 3.4 AIRBORNE EMISSION CONTROLS <br /> In order to reduce airborne emissions, dust is controlled at the site by (1) proper <br /> maintenance of haul roads (surface impoundment with C&D or gravel type material, <br /> grading, and watering), (2) application of fine water spray (dictated by the weather <br /> conditions and/or on an as-needed basis) on the active soil-covered work areas; and <br /> material storage/processing areas where conditions may result in fugitive dust; (3) <br /> application of organic dust suppressant, and (4) limiting the speed of all vehicles on <br /> site to 10 miles per hour. Water is the main dust control procedure used to control <br /> fugitive emissions (dust). Surface water runoff or on-site well water is applied to the <br /> main access road and processing areas to control dust. No disposal or treatment of <br /> this water is required since only a minimal amount is utilized and either evaporates <br /> or is absorbed by the road, ground or compact material resulting in no run-off. <br /> 3.5 DRAINAGE CONTROLS <br /> Standing water is a potential source of odors. The composting windrows are <br /> arranged normal to the working surface gradient to allow free drainage while <br /> minimizing potential ponding. The site is sloped to drain to ditches that carry the <br /> Forward Compost Facility-OIMP 6 SWT Engineering <br /> z:\projects\allied waste\forward\resource recovery facility\5 yr permit rvw 2013-14\tpr 2014\appendices\app a-3-oimp\oimp <br /> text-rev 111414.doc;11/18/2014 <br />