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Source of Odor <br />Possible Cause <br />Management <br />Feedstock receiving <br />Material arrives with odor <br />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 <br />Process and incorporate as <br />before it is incorporated <br />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 <br />Unprocessed material in aisles <br />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 <br />Improve grading and <br />drainage, absorb with <br />material high in carbon <br />Windrows <br />Odor coming from windrow in <br />Check C:N ratio and ensure it <br />first few days <br />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 <br />Decrease pile size <br />Re -incorporate and Increase <br />time in windrow <br />