Materials generated by residences and commercial, municipal and institutional establishments which are specified by a municipality and can be separated from municipal waste and returned to commerce to be reused as a resource in the development of useful products. Recyclable materials may include, but are not limited to, clear glass, colored glass, aluminum, steel and bimetal cans, high grade office paper, newsprint, corrugated cardboard, leaf waste, plastics and any other items selected by a municipality or specified in future revisions to Act 101.