1. Terms of the Environment http://www.epa.gov/OCEPAterms/hterms.html 2004
2. The National Biennial RCRA Hazardous Waste Report (Based on 1999 Data) http://www.epa.gov/epaoswer/hazwaste/data/brs99/ 2004
3. Basic Facts: Municiple Solid Waste http://www.epa.gov/msw/facts.htm 2004
4. Assessment of the Potential Costs, Benefits, & Other Impacts of the Hazardous Waste Combustion MACT Standards: Final Rule 1999 3 4