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3-14 ♦ Incorporating careful control of processing temperatures to maintain the rate of decomposition. Additionally, as required in 14 CCR, Sections 17863.4 and 18227(n), an Odor Impact Minimization Plan (OIMP) is included as Appendix E-1. Odors are not anticipated from residue storage since residue will be stored for no more than 24 hours. If persistent odors are produced, additional odor control techniques that may be implemented include: ♦ Maintaining a carbon-to-nitrogen (C:N) ratio above 25:1 in initial mixes of high nitrogen materials; ♦ Placing a layer of cured compost over raw compost materials to act as an odor trap and serve as insulation; and, ♦ Using an organic odor neutralizer. The EHD will be contacted should the site receive any odor complaints. 3.6.3 Noise Control Noise at the site includes traffic noise generated by trucks and other vehicles travelling along Austin Road to the landfill and RRF/Compost Facility and noise generated by the equipment used in RRF/Compost Facility operations. Noise levels of onsite equipment are controlled by proper maintenance of mufflers to factory specifications. The EHD will be contacted should the site receive any noise complaints. Additionally, there shall be no ancillary or facility operations (i.e., heavy equipment operations within 1,500 feet of any occupied residence) outside of the permitted hours of operation. Noise levels are not likely to create health hazards to persons using the site due to the use of mufflers on heavy equipment. Protective ear wear is provided to all employees. Due to the remote location of the site, noise levels are not likely to create health hazards to nearby residents. The EHD will be contacted should the site receive any complaints. In general, the major sources of noise at the Compost Facility/RRF will be the grinder and the Windrow turner, if used. These machines typically produce sound levels in the range of approximately 85 to 90 decibels. Since the estimated sound level at 200 feet is approximately that of the human voice during normal conversation, noise should not be a health hazard to persons working approximately 200 feet from the equipment. A noise level study conducted for a tub grinder manufacturer shows the following sound pressure levels: within 50 feet, 85.2 decibels; within 100 feet, 78.4 decibels; and within 200 feet, 73.5 decibels. It should be noted that noise produced at the facility also complies with provisions of the San Joaquin County Development Code, Title 9, Section 9-1025.9 as specified in SWFP No. 39-AA-0020. Due to the site's remote location, the noise produced will not create an offsite concern; therefore, no special noise control devices will be needed at the RRF/Compost Facility. 3.6.4 Dust Control Dust is controlled at the site by (1) proper maintenance of haul roads (paving, grading, and watering), (2) application of fine water spray (dictated by the weather conditions and/or on an as-needed basis) on the active soil-covered work areas, soil excavation areas, and soil 0 stockpile areas where conditions may result in fugitive dust; (3) application of organic dust Forward Composting Facility SWT Engineering Report of Composting Site Information-November 2014 z:\prcjects\allied waste\forward\resource recovery facility\5 yr permit rvw 2013-14\resi 2014\text\sec 3.doc