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Author/Creator
- National Research Council (U.S.). Committee on Toxicology10
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Water Resources7
- National Research Council (U.S.). Committee on Acute Exposure Guideline Levels6
- National Research Council (U.S.). Committee on Toxicity Testing and Assessment of Environmental Agents6
- United States. Agency for Toxic Substances and Disease Registry. Division of Toxicology6
- National Research Council (U.S.). Board on Environmental Studies and Toxicology4
- National Research Council (U.S.). Subcommittee on Acute Exposure Guideline Levels4
- United States. Agency for Toxic Substances and Disease Registry4
- United States. Agency for Toxic Substances and Disease Registry. Division of Toxicology and Environmental Medicine4
- United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Toxic Substances, Environmental Oversight, Research and Development4
- United States. Congress. Senate. Committee on Governmental Affairs3
- Richter Productions, production company2
- Richter, Robert, 1929-2
- Robards, Jason2
- Time-Life Video, production company2
- United States2
- WGBH Educational Foundation, production company2
- ebrary, Inc2
- DeLima Associates1
- DeLima Associates, issuing body1