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OIMP SWT Engineering <br />z:\projects\allied waste\forward\resource recovery facility\5 yr permit rvw 2013-14\rcsi 2014\appendices\app _-oimp\oimp <br />table1.doc; 5/2/2014 <br />TABLE 1 <br /> <br />FORWARD COMPOST FACILITY <br />SOURCES OF ODOR AND POSSIBLE MANAGEMENT TECHNIQUES <br /> <br />Odor Source <br />Location Possible Cause Management Approach <br />Feedstock <br />Receiving <br />Material exceptionally <br />odorous upon receipt <br />Increase collection frequency <br />Blend wood waste and green <br />waste to increase porosity <br />First in, First out <br />Odorous material remaining <br />unprocessed on receiving <br />pad (mix sitting too long prior <br />to processing) <br /> <br />Expedite material processing <br />First in, first out <br />Reduce size of stockpiles and <br />increase surface to volume ratio <br />Blanket odiferous material with <br />woody overs <br />Aisles / Access <br />Roads <br />Storm water allowed to pond <br />in improperly graded areas <br />Absorb ponded water with wood <br />chips/other absorbent, fill <br />depressions, improve grading <br />and/or drainage control <br />Unprocessed material in <br />aisles <br />Clean aisles of spilled material <br />and treat with carbon source <br />Stockpiles / <br />Windrows <br />Varying odors in pile Turn windrows to achieve even <br />mixing, check temperatures, <br />porosity, fiber-length, bulk <br />density, and moisture content, <br />adjust windrow constituents, <br />geometry, and/or configuration <br />Odors generated after turning Increase turning frequency, <br />increase pile porosity, add odor- <br />absorbing amendment (like wood <br />chips, sawdust, wood ash) <br />Long retention time Remove chipped and ground <br />material more frequently <br />Curing Piles / <br />Product Storage <br />Areas <br />Odors present at time of <br />loading (temperatures above <br />122°F) <br />Decrease pile size, increase <br />windrow time prior to moving to <br />curing piles or product storage <br />