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■ <br />The County's primary role in developing a composting program would <br />be in the identification of sites and program financing. Separate <br />yardwaste collection and handling would be financed similar to the <br />source separation program. <br />By implementing a composting program in the County, disposal require- <br />ments are expected to be reduced by 15,000 tons /year. <br />4. Co- composting <br />The feasibility of co- composting sewage sludge and solid waste is <br />being considered for the Metropolitan Wastewater Treatment Plant. <br />If demonstration studies substantiate preliminary feasibility /market <br />projections, a co- composting facility with a 750 ton per day capacity <br />(50% of Ramsey County's solid waste) could be developed. The <br />actual size of such a facility, can however, not be firmly estab- <br />lished at this time. <br />The Advisory Council views co- composting as an important element of <br />the overall plan proposed for the County because a co-composting. <br />facility could be readily sized up or down to meet waste flow reuire- <br />ments of other resource recovery facilities; or it may serve as an <br />important back -up if other alternatives fail. <br />The City of St. Paul and the Metropolitan Waste Control Commission <br />have assumed primary roles in developing a co- composting project. <br />County involvement is expected to remain limited to general coordina- <br />tion and political support. <br />5. Mass Burning Incineration <br />The wast to- energy element of this Proposal involves construction <br />of a TSG ton per day mass burning incinerator. The supply of waste <br />would come primarily from Ramsey County, with Washington County and <br />possibly Dakota County supplying the balance. Although specific <br />wasteshed boundaries for the facility have not been established, see'-tt - <br />t a mass burning incinerator S,ould abate the County's <br />landfill capacity requirements by 50 percent. <br />• <br />• <br />The project which is currently under inamtigation by the City of <br />St. Paul and Ramsey County involves a ton per day incineration <br />facility located in eastern Ramsey County or western Washington <br />County that would supply-steam energy to the 3 -M Corporate head- <br />quarters in Maplewood. The County has entered into a joint admin- <br />istrative agreement with Washington County and the City of St. Paul <br />to continue evaluating the feasibility of this project. <br />70 <br />