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Author/Creator
- United States. Bureau of the Census7
- United States. Environmental Protection Agency7
- United States. Environmental Protection Agency. Office of Air Quality Planning and Standards7
- United States. Environmental Protection Agency, issuing body5
- United States3
- United States. Division of Air Pollution3
- Boundy, Robert G.2
- Center for Disease Control2
- Davis, Stacy C.2
- Diegel, Susan W.2
- John A. Volpe National Transportation Systems Center (U.S.). Service Assessment Division2
- Kravets, N. (Nataliya)2
- National Center for Health Statistics (U.S.)2
- National Center for Health Statistics (U.S.), issuing body2
- National Health and Nutrition Examination Survey (U.S.)2
- Oak Ridge National Laboratory. Engineering Science and Technology Division2
- Parker, J. (Jennifer D.)2
- United States. Environmental Protection Agency. Enforcement and Compliance Assurance2
- United States. Environmental Protection Agency. Office of Information Analysis and Access2
- United States. Environmental Protection Agency. Office of Research and Development2