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3. <br />4. <br />Program's Ability to Respond to Change: <br />Manual separation at MRFs is very flexible in <br />that more or less effort could be expended in the <br />separation of compostable materials as required to <br />respond to changes in markets, policies, or social <br />conditions. <br />The more sophisticated the compost program, <br />the less flexible it is to respond to change. When <br />communities make large investments in site <br />preparation and collection and processing <br />equipment, and their programs change due to <br />legislation, availability of markets or other <br />factors, it could be difficult to scale down <br />operations. Therefore, a sophisticated waste <br />processing facility would be very inflexible to <br />change in the medium -planning period. <br />A MRF used to sort the entire waste stream <br />would have limited ability to respond to change <br />since its economics are based on certain initial <br />assumptions. <br />Effect of Composting on waste Types: <br />Separation of yard waste at material recovery <br />facilities rather than at curbside would result in <br />increased contamination of the yard waste and of <br />paper and other recyclables in the waste stream. <br />Processing at more sophisticated facilities <br />would remove far greater quantities of the various <br />compostable waste types from the waste stream. <br />Most of these waste types would probably end up in <br />the disposal waste stream if not diverted by this <br />type of process. <br />Chapter 5 - Compost 16 <br />