Links
For more information about the safe and environmentally beneficial uses of coal ash, look here:
Coal Ash Facts
http://coalashfacts.org/
American Coal Ash Association
http://acaa-usa.org/
Association of Canadian Industries Recycling Coal Ash
http://www.circainfo.ca/
Smart Ash
http://smartash.info/
Other interesting web sites include:
University of Kentucky Center for Applied Energy Research Ash Library
http://www.flyash.info/
The Ohio State University Coal Combustion Products Program
http://ccp.osu.edu/
Recycled Materials Resource Center
http://www.rmrc.unh.edu/
The Fly Ash Resource Center
http://www.rmajko.com/flyash.html