- Author: National Research Council Washington DC (USA). Committee on Haze in National Parks and Wilderness Areas, DOE/FE, Washington Procurement Operations Office Washington DC (United States)., United States. Department of the Interior., United States. Environmental Protection Agency., United States. Department of Energy. Office of Scientific and Technical Information.
- Language: English
- Year: 1990
- Author: U.S. Environmental Protection Agency
- Year: 1993
- Author: United States. Environmental Protection Agency., U.S. Consumer Product Safety Commission
- Language: English
- Year: 2001
- Author: US Environmental Protection Agency
- Language: English