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 15 – provides an overview for users who may be new to the tool or need some basic knowledge about downloading and modeling scenarios in WARM version 15
- User’s Guide WARM version 15 Excel – provides an overview for users of the Excel-based tool for WARM version 15. This guide is the same as the guide found on the first sheet of the WARM Excel tool
- Background - includes chapters covering WARM Background and Overview, Definitions and Acronyms, Recent Updates in WARM, Forest Carbon Storage and Transportation Assumptions
- Management Practices - includes chapters covering Source Reduction, Recycling, Anaerobic Digestion, Composting, Combustion, Landfilling, Energy Impacts and Economic 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
- Electronics - includes chapter covering Electronics
- Tires - includes chapter covering Tires
- Construction Materials - includes chapters covering Asphalt Concrete, Asphalt Shingles, Carpet, Clay Bricks, Concrete, Drywall, Fiberglass Insulation, Fly Ash, Vinyl Flooring, Wood Flooring, and Wood Products.
- Waste Reduction Model (WARM) Tool User's Guide (PDF)(17 pp, 2 MB)
- Waste Reduction Model (WARM) Excel User’s Guide Version 15 (PDF)(3 pp, 630 K)
- Background Chapters (PDF)(61 pp, 957 K)
- Management Practices Chapters (PDF)(129 pp, 3 MB)
- Construction Materials Chapters (PDF)(123 pp, 3 MB)
- Containers, Packaging, and Non-Durable Goods Materials Chapters (PDF)(81 pp, 2 MB)
- Electronics Chapter (PDF)(23 pp, 868 K)
- Tires Chapter (PDF)(16 pp, 614 K)
- Organic Materials Chapters (PDF)(60 pp, 2 MB)