American Coal Ash Association

American Society for Testing and Materials

Center for By-Products Utilization

Combustion ByProducts Recycling Consortium

DOE's Clean Coal Technology Program

Edison Electric Institute

Electric Power Research Institute

Energy and Environmental Research Center

Environmental Protection Agency Office of Solid Waste

Federal Energy Technology Center

Federal Highway Administration

The Fly Ash Resource Center

National Research Center of Coal and Energy

Office of Surface Mining (and reclamation)

Resonant Shock Compaction

Resource Data International, Inc. (RDI)

Texas Coal Ash Users Group

Turner-Fairbanks Highway Research Center

United States Geological Survey Coal Data

USDI Office of Surface Mining

Western Coal Council

Marketers

Ash Grove Resources Boral Materials Technologies

Fly Ash Direct

Holcim

Headwaters Resources

Lafarge North America

Mineral Resource Technologies

Plains Pozzolanic

Salt River Materials Group

Producers

American Electric Power

Arizona Electric Power Cooperative

Basin Electric Power Cooperative

Colorado Springs Utilities

Great River Energy

Kansas City Power and Light

Montana – Dakota Utility Company

Nebraska Public Power

Otter Tail Power Company

Pacificorp

Salt River Project

Xcel Energy

State Agencies

Arkansas Department of Environmental Quality

Arizona Department of Environmental Quality

California Environmental Protection Agency

Colorado Department of Public Health and Environment

Idaho Department of Environmental Quality

Kansas Department of Health and Environment

Iowa Department of Natural Resources

Minnesota Pollution Control Agency

Missouri Department of Natural Resources

Louisiana Department of Environmental Quality

Montana Department of Environmental Quality

Nebraska Department of Environmental Quality

New Mexico Bureau of Mines

New Mexico Department of Energy, Minerals and Natural Resources

Nevada Department of Minerals

Oklahoma Department of Environmental Quality

Oregon Department of Environmental Quality

South Dakota Department of Energy and Natural Resources

Texas Natural Resource Conservation Commission

Utah Department of Environmental Quality

Washington Department of Natural Resources

Wyoming Department of Environmental Quality

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