World Trade Center Indoor Air Task Force Working Group. Contaminants of Potential Concern Committee. (2003). World Trade Center indoor environment assessment: Selecting contaminants of potential concern and setting health-based benchmarks. U.S. Environmental Protection Agency, Risk Ranking Work Group, Region 2.
Chicago Style (17th ed.) CitationWorld Trade Center Indoor Air Task Force Working Group. Contaminants of Potential Concern Committee. World Trade Center Indoor Environment Assessment: Selecting Contaminants of Potential Concern and Setting Health-based Benchmarks. New York, N.Y.: U.S. Environmental Protection Agency, Risk Ranking Work Group, Region 2, 2003.
MLA (9th ed.) CitationWorld Trade Center Indoor Air Task Force Working Group. Contaminants of Potential Concern Committee. World Trade Center Indoor Environment Assessment: Selecting Contaminants of Potential Concern and Setting Health-based Benchmarks. U.S. Environmental Protection Agency, Risk Ranking Work Group, Region 2, 2003.