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Determination of the Long Term Feasibility of Transporting Unstabilized North Olmsted Biosolids to the North Royalton Composting Facility and Composting the transported biosolids with Unstabilized North Royalton Biosolids Pilot Test Plan of Study Revision No. 1 I. INTRODUCTION This April 13, 2001 Plan of Study revision has been prepared in order for both municipalities to precisely define the costs that would be contained in a long term (i.e. three to five years) agreement for disposal of some North Olmsted WWTP biosolids through the North Royalton Composting Facility. The pilot testing was originally undertaken to develop the cost and technical data and information needed to determine the long -term feasibility of stabilizing biosolids generated by the North Olmsted Wastewater Treatment Plant (WWTP) at the North Royalton composting facility. The work completed under the April 13, 2001 Plan of Study has been adequate for both municipalities to determine the technical viability of transporting unstabilized, dewatered North Olmsted WWTP biosolids to the North Royalton Composting Facility for stabilization. The pilot test work completed to date clearly shows that the product produced by the North Royalton Composting Facility is equal to or slightly better than its past product when North Olmsted WWTP biosolids are composted with North Royalton WWTPs biosolids. However, the two week time period of the April 13, 2001 Plan of Study has been determined to be insufficient to precisely define the costs that would be contained in a long term (i.e. three to five years) agreement between North Olmsted and North Royalton. Both municipalities have concluded that the expected long term agreement costs can only be gleaned by continuously operating the North Royalton Composting Facility with large amounts North Olmsted WWTP biosolids. Based on the pilot testing cost data developed to date, it appears that it will be possible to meet the goal of reducing the overall, long -term wastewater utility costs within both municipalities. Presently, the sewer use rate in North Royalton is $47.31 per thousand cubic feet of metered water consumption (mcf) and $36.26 per mcf in North Olmsted. The City of North Royalton was placed in the position of having to enact a very high sewer use rate in 2000 to cover the debt service associated with recently completed improvements. The City of North Olmsted was in the same position in late 1994. Recently, both municipalities have been conducting significant efforts directed toward reducing the immediate and long term overall wastewater utility expenditures since new revenues of both utilities may not grow as quickly as expenses. The wastewater treatment management staffs have the expectation that the growth of expenses will continue to be generally dictated by the annual rate of inflation and other factors outside the direct control of both municipalities. CompostPOS- Rev l.doc Page 1 of 6 September 6, 2001