Federal Sites:
- Federal Information Center
- National Archives and Records Administration: Federal Register 1994-2005
- FedWorld
- HUD Office of Lead Hazard Control
- National Lead Information Center
- National Institute for Occupational Safety and Health
- National Institute of Standards and Technology
- National Institutes of Health
- National Library of Medicine
- Occupational Safety and Health Administration
- Occupational Safety and Health Administration: Indoor Air Quality
- United States Army Corps of Engineers
- United States Department of Transportation
- United States Environmental Protection Agency
- United States Environmental Protection Agency: Laws and Regulations
- White House
State Sites:
- Delaware Department of Natural Resources and Environmental Control
- Maryland Department of the Environment
- New Jersey Department of Environmental Protection
- New York City Department of Environmental Protection
- Pennsylvania Department of Environmental Protection
Other State Sites:
- Alabama Department of Environmental Management
- Connecticut Department of Environmental Protection
- Georgia Department of Natural Resources
- Florida Department of Environmental Protection
- Indiana Department of Environmental Management
- Kentucky Department for Environmental Protection
- Louisiana Department of Environmental Quality
- Massachusetts: Environment
- Michigan Department of Environmental Quality
- Mississippi Department of Environmental Quality
- New Hampshire Department of Environmental Services
- North Carolina Department of Environment and Natural Resources
- Ohio Environmental Protection Agency
Miscellaneous Sites:
- American Industrial Hygiene Association
- American Society for Testing and Materials
- American Conference of Governmental Industrial Hygienists
- Environmental Microbiology Laboratory Fungus Index
- The Homeowner’s Guide
- HVAC Plus – Improving Indoor Air Quality
- International Organization for Standardization
- neuHOME Home improvement products – Shop online for a wide selection of bathroom suites and home improvement products from leading international designers at low internet prices and fast home delivery service – neuhome.co.uk
- Mesothelioma Center
- Manufacturer MSDSs
- MapBlast! Maps
- World Health Organization
- Mesothelioma Guide