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3. <br />4. <br />There are health and safety considerations at <br />the composting site where heavy equipment is used <br />to shred and turn the yard waste. Possible <br />problems at composting sites include blowing <br />debris, odors, and vectors. <br />Source separated yard waste, whether picked up <br />at the curb or brought to a disposal site, can <br />provide raw material for any composting program <br />within a reasonable distance. The more <br />sophisticated the compost program, the less <br />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. <br />A basic low -technology composting program <br />could utilize equipment applicable to other jobs, <br />such as shredders, front-end loaders, and dump <br />trucks. Such a program could collect the yard <br />waste at the curb, shred it, windrow it, and turn <br />it periodically, and yet be flexible if the program <br />were changed or curtailed. <br />Effect of Source Separation on Waste Types: <br />Source separation of yard waste for composting <br />has a beneficial effect on other waste types from <br />the viewpoint of recycling. Removing yard waste <br />from the waste stream reduces contamination of <br />other recyclable materials, especially paper. <br />Chapter 5 - Compost 10 <br />