Law Department notice on WTC document preservation, Oct 2001

NYC 9/11 Public Portal Document

Report Contributors: Rick Beusse Dana Gilmore James Hatfield Sarah Fabirkiewicz Chris Dunlap Steve Schanamann Geoff Pierce Eric Hanger

Abbreviations AEGL Acute Exposure Guideline Level AHERA Asbestos Hazard Emergency Response Act ATSDR Agency for Toxic Substances and Disease Registry CEQ Council on Environmental Quality CERCLA Comprehensive Environmental Response, Compensation and Liability Act CFR Code of Federal Regulations COPC Contaminants of Potential Concern EPA Environmental Protection Agency f/cc Fibers per Cubic Centimeter FEMA Federal Emergency Management Agency FRP Federal Response Plan HEPA High Efficiency Particulate Air HVAC Heating, Ventilation, and Air Conditioning NCP National Contingency Plan NESHAP National Emissions Standards for Hazardous Air Pollutants NIOSH National Institute for Occupational Safety and Health NYCDDC New York City Department of Design and Construction NYCDEP New York City Department of Environmental Protection NYCDOH New York City Department of Health OCEMR Office of Communications, Education, and Media Relations OIG Office of Inspector General OSHA Occupational Safety and Health Administration PAHs Polycyclic Aromatic Hydrocarbons PCBs Polychlorinated Biphenyls PCM Phase Contrast Microscopy PDD Presidential Decision Directive PLM Polarized Light Microscopy PM Particulate Matter s/mm2 Structures Per Millimeter Squared TEM Transmission Electron Microscopy TERA Toxicology Excellence for Risk Assessment TSP Total Suspended Particulates VOCs Volatile Organic Compounds WTC World Trade Center

Cover photo: New York Police Department photograph

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