Municipal waste recycling facilities and intermediate processing centers (IPC's) which are utilized to separate commingled recyclable materials previously removed from the municipal waste stream through a curbside source-separation program or where materials are collected or processed for sale or delivery to secondary markets. All separation and mechanical processes, including but not limited to materials separation, crushing, compacting and baling, shall be within a completely enclosed structure. Activities associated with the processing, transfer, compaction or disposal of municipal solid waste other than commingled or source-separated recyclable materials (as established in Chapter 15 of Act 101 of 1988, the Municipal Waste Planning, Recycling and Waste Reduction Act of the Commonwealth of Pennsylvania, or subsequent legislation) is prohibited.