Author/Creator
- National Institute of Standards and Technology (U.S.)136
- United States. Environmental Protection Agency. Office of Air Quality Planning and Standards61
- Favreau, Jean-Philippe51
- National Institute of Standards and Technology (U.S.). Electronic Commerce Acquisition Program Management Office51
- United States. National Bureau of Standards37
- United States. Environmental Protection Agency. Emission Standards Division36
- United States. Environmental Protection Agency. Emission Standards and Engineering Division35
- United States26
- United States. Environmental Protection Agency. Effluent Guidelines Division25
- United States. Joint Financial Management Improvement Program21
- United States. Environmental Protection Agency. Office of Water20
- U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research19
- United States. Congress. House. Committee on Coinage, Weights, and Measures16
- United States. National Aeronautics and Space Administration13
- United States. Federal Highway Administration12
- United States. Food and Drug Administration. Division of Field Investigations11
- United States. General Accounting Office11
- United States. National Highway Traffic Safety Administration11
- United States. Administration on Aging9
- United States. Congress. House. Committee on Interstate and Foreign Commerce9