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the winter nonths. Following the 6 month curing process, the product is ready for end <br />use. The la ~dfill is looking to use that compost material as final cover on the landfill and to <br />enhance sol Is on the site. The compost material will also be made available to the public for <br />use on garc ens and lawns. <br /> <br />Steve Kol~dge proceeded to address areas of concern. The major concern is odor <br />problems v~hich result from poor management of compost sites. Odor problems are caused <br />by the bacl :ria that grow in a compost pile because it has turned anaerobic from lack of <br />oxygen. TI .e remedy to compost piles turning anaerobic is turning the pile and keeping the <br />moisture al a proper level. If odor does become a problem, there are other processes that <br />can be utili :ed to reduce odors. Another concern expressed is groundwater contamination. <br />The materi: in a compost pile is the same material found in forests and not associated with <br />groundwa~ ~,r contamination. Some studies have been done on composting projects and <br />they indic,' te that there have not been significant contamination problems because of <br />compostin][ sites. Steve noted that there are monitoring wells in the vicinity of the <br />proposed domposting site that are capable of detecting any contamination due to the <br />composnnl] famhty. <br /> <br />CITIZENi INPUT <br /> <br />Sharon D~lgren - 6328 143rd Lane N.W. - Inquired as to the proposed composting <br />method. <br /> 'i <br />Steve Kol~odge - Replied that the proposed compost method is the Rutger University <br />method, lo$, level technology. <br /> <br />Sharon Da~. lgren - Noted that Rutger has no research information regarding composting <br /> relying <br /> if Waste Management is research. <br /> inquired solely on <br />grass clipp~ngs~ and Rutger's <br /> <br />Steve Kollodge - Replied that because of the high moisture content in grass, it is <br />responsibl[ for a lot of the odor problems at a composting site. To remedy this, it is <br />proposed t~} place the grass clippings on the outer edges of the piles. <br /> <br />Sharon Da~lgren - Inquired as to how often the piles will be turned. <br />Steve Koll~dge - Replied that typically, piles are turned once a month. The piles will be <br />monitored ~or temperature, oxygen and pH. <br /> <br />Sharon Da_hlgren - Stated that she has found in her research that Rutger's manual is in the <br />process of~eing rewritten. In order to minimize odors it is being recommended that one <br />part grass I~e mixed with 3 parts leaves and initially the piles should be turned once a week <br />for two w~.eks and every 10 days following that. The only way to achieve thorough <br />turning is $vith a windrow machine. Sharon explained that this method is being used in <br />Morals Co!jnty, New Jersey, a 40,000 ton compost site, and there have been no complaints <br />about the 4peration. Sharon stated that without the proper mix of grass and leaves, there <br />will be od~r problems no matter what the temperature and moisture levels are. Sharon <br />stated thatlyard waste is a large percent of municipal waste and people are looking to <br />recycle bu~there is not enough technology available to indicate a successful compost project <br />of this size~can be developed using a front end loader. <br /> <br />Pl~tnning & Zoning Commission Public Hearing/February 6, 1990 <br /> Page 2 of 7 <br /> <br /> <br />