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attraction and reproduction and odor production. Other highly putresible wastes <br />such as grass will also be incorporated immediately into compost to minimize the <br />chance of vector attraction and reproduction and odor production. All feedstocks will <br />be mixed in proportions that promote efficient composting, aerobic conditions and <br />minimize 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 will be applied to <br />the main access road and processing areas to control dust. No disposal or treatment <br />of this water is required since only a minimal amount is utilized and either <br />evaporates or is absorbed by the road, ground or compact material resulting in no <br />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 />water to a basin located west of the RRF and Composting Facility. The basin can hold <br />the net average annual rainfall. The water collected in the basin can be used as <br />process water, as discussed in Section 3.7, to meet the desired moisture contents <br />for composting. It should be noted that water collected in the basin is not currently <br />used as process water. <br />3.6 PAD MAINTENANCE <br />The Compost i ng Facility pad is constructed of low-permeability compacted native soil <br />and is sloped to allow free drainage and minimize ponding. The compost pad area is <br />sized to accommodate each of the selected composting technologies. The green and <br />wood waste grinding area is approximately 1.56 acres. The green and wood waste <br />screening and storagemater ial sorti ng area is approximately 1.07 acres, and the <br />windrow areas are approximately 14.8 acres. The screening and finished product <br />area is approximately 2.97 acres. Minimizing standing water will eliminate the <br />potent ial source of odors. <br />3.7 PROCESS/WASTEWATER CONTROLS <br />Although this alternative is not currently used, the sedimentation basin water may be <br />used as process water to meet the desired moisture needs for composting <br />operations. Water collected in the sedimentation basin will either be evaporated, <br />used during the initial mixing of the compost, used for dust control, pumped to the <br />on-site impoundment, or transported to a municipal treatment works depending on <br />the quality and quantity of collected water. Water used in the initial mixing of the <br />Forward Compost Fa cil ity -OIMP 6 SWT Engineering <br />z:\projects\alli ed waste \forwardV esource recovery fac ility \5 yr permit rvw 2013-14V cs i 2014\appendi ces\app e-oim p\oi mp <br />text.doc; 7/18/2014