(a) Program description. The intent of demonstration grants awarded under this section shall be to subsidize and support the implementation or operation of municipal solid waste demonstration projects. The purpose of supported demonstration projects shall be to illustrate, by example, the economic value and operational merit of a particular operation, system, or technology. This will in turn reduce the uncertainty inherent with investing in emerging, innovative, or alternative technologies, thereby indirectly encouraging larger scale application, participation, and/or acceptance by the public.(b) Eligible projects. Potential study topics include, but are not limited to, the review of various waste management options and their practicality with regard to:(1) waste minimization;(2) recycling and reuse;(3) composting;(4) transfer stations;(5) landfill - gas recovery, treatment, and/or sale;(6) landfill - leachate recovery and treatment;(7) collection and handling; or(8) landfill operations.(c) Participation frequency. Recipients shall be limited to one feasibility study grant, issued under this section, during any specific contract performance period, unless specifically otherwise authorized in the published request for proposal.