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Source of Odor Possible Cause Management <br /> Feedstock receiving Material arrives with odor Immediately cover with green <br /> material or other high carbon <br /> material. <br /> Incorporate into the <br /> composting process as soon <br /> as possible. <br /> Monitor to insure the process <br /> prevents odor from moving <br /> off site <br /> Material becomes odorous Process and incorporate as <br /> before it is incorporated soon as possible <br /> Mist processing (grinding) <br /> area to prevent dust and odor <br /> Reduce grinding activity if <br /> wind is in direction of <br /> receptors <br /> Aisles/access roads Unprocessed material in aisles Maintain surfaces of site, <br /> slope so that water is <br /> collected in the pond. Treat <br /> with clean carbon source if <br /> necessary <br /> Ponding water on site Improve grading and <br /> drainage, absorb with <br /> material high in carbon <br /> Windrows Odor coming from windrow in Check C:N ratio and ensure it <br /> first few days is maintained at 30:1 Add <br /> bulking agent if necessary <br /> Increase turning frequency, <br /> check temperatures and <br /> moisture <br /> Curing/product storage Decrease pile size <br /> Re-incorporate and Increase <br /> time in windrow <br /> 6 <br />