Documentation Chapters for Greenhouse Gas Emission, Energy and Economic Factors Used in the Waste Reduction Model

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

• User’s Guide WARM version 16 Excel (pdf) (246.27 KB)  – provides an overview for users of the Excel-based tool for WARM version 16. This guide is the same as the guide found on the first sheet of the WARM Excel tool.
• Background Chapters (pdf) (947.89 KB)  - includes chapters covering WARM Background and Overview, Definitions and Acronyms, Recent Updates in WARM, Forest Carbon Storage and Transportation Assumptions.
• Management Practices Chapter (pdf) (6.43 MB) - includes chapters covering Source Reduction, Recycling, Anaerobic Digestion, Composting, Combustion, Landfilling, Energy Impacts and Economic Impacts.
• Containers, Packaging and Non-Durable Goods Materials Chapters (pdf) (3.84 MB)  - includes chapters covering Glass, Metals, Paper Products, Plastics, and Polylactide Biopolymer.
• Organic Materials Chapters (pdf) (1.46 MB)  - includes chapters covering Food Waste and Yard Trimmings.
• Electronics Chapter (pdf) (1.4 MB)  - includes chapter covering Electronics.
• Tires Chapter (pdf) (679.12 KB)  - includes chapter covering Tires.
• Construction Materials Chapters (pdf) (4.33 MB)  - includes chapters covering Asphalt Concrete, Asphalt Shingles, Carpet, Clay Bricks, Concrete, Drywall, Fiberglass Insulation, Fly Ash, Vinyl Flooring, Wood Flooring, and Wood Products.