Questions about the county recycling program can be answered by getting an Allegheny County Recycling Directory, by calling 355-5865 or by writing the Allegheny County Division of Waste Management, 416A County Office Bldg, Pittsburgh, PA 15219. In it, there is a listing of who collects what recyclable materials in all of Allegheny County. Another helpful directory of is generated by G.R.I.P.(Group for Recycling in Pennsylvania,Inc.) at 661-4447. The number of the City Recycling Department is 255-2631. Other numbers: Magazines: Penn Pro Insulation, Washington PA, 222-6450. Plate glass: Dlubak Glass, Natrona Heights, 224-6611. Newsprint: Atlas Waste Paper, South Side, 431-5329. Cardboard & Office Paper: American Recycling, Strip District, 391-3100. Plastic: Polymer Grinding & Recycling, Washington PA, 228-6628.