Asbestos: A list of certified asbestos investigators (New York City Department of Environmental Protection)

Lower Manhattan Test and Clean Program Sampling Results ( U.S. Environmental Protection Agency)

Air Monitoring Information (New York City Department of Environmental Protection)

Air Sample Results for the World Trade Center Disaster Response (National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, U.S. Department of Health and Human Services)

Environmental sampling results as of October 8, 2002 (Occupational Safety and Health Administration, U.S. Department of Labor)

Environmental Studies of the World Trade Center area after the September 11, 2001 attack  (U.S. Geological Survey)

Exposure and Human Health Evaluation of Airborne Pollution from the World Trade Center Disaster ( U.S. Environmental Protection Agency)

Lower Manhattan Test and Clean Program Final Report   PDF Document (Reader Required; Click to Download) ( U.S. Environmental Protection Agency)

Outdoor environmental monitoring ( U.S. Environmental Protection Agency)

Particle Atlas of World Trade Center Dust (U.S. Geological Survey)

Report on the Expert Panel on Health Effects of Asbestos and Synthetic Vitreous Fibers: The Influence of Fiber Length (Agency for Toxic Substances and Disease Registry, U.S. Department of Health and Human Services)

Report of the Public Health Investigation to Assess Potential Exposures to Airborne and Settled Surface Dust in Residential Areas of Lower Manhattan (Agency for Toxic Substances and Disease Registry, U.S. Department of Health and Human Services in conjunction with the New York City Department of Health and Mental Hygiene)

Toxicological Effects of Fine Particulate Matter Derived from the Destruction of the World Trade Center   PDF Document (Reader Required; Click to Download) ( U.S. Environmental Protection Agency)

World Trade Center: EPA’s Most Recent Test and Clean Program Raises Concerns That Need to Be Addressed to Better Prepare for Indoor Contamination Following Disasters (U.S. Government Accountability Office)

World Trade Center: Preliminary Observations on EPA’s Second Program to Address Indoor Contamination   PDF Document (Reader Required; Click to Download) (U.S. Government Accountability Office)