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Documentation Chapters for Greenhouse Gas Emission and Energy Factors Used in the Waste Reduction Model (WARM)

These documents provide background documentation for the greenhouse gas and energy factors in EPA's Waste Reduction Model (WARM). The WARM documentation chapters are grouped into several files based on chapter topic:

  • Background - includes chapters covering WARM Background and Overview, Definitions and Acronyms, Recent Updates in WARM, and Forest Carbon Storage
  • Management Practices - includes chapters covering Source Reduction, Recycling, Anaerobic Digestion, Composting, Combustion, Landfilling, and Energy Impacts
  • Containers, Packaging and Non-Durable Goods Materials - includes chapters covering Glass, Metals, Paper Products, Plastics, and Polylactide (PLA) Biopolymer
  • Organic Materials - includes chapters covering Food Waste and Yard Trimmings
  • Durable Goods Materials - includes chapters covering Personal Computers and Tires
  • Construction and Demolition Materials - includes chapters covering Asphalt Concrete, Asphalt Shingles, Carpet, Clay Bricks, Concrete, Drywall, Fiberglass Insulation, Fly Ash, Vinyl Flooring, Wood Flooring, and Wood Products.
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