Abbreviations

ACGIH: American Conference of Governmental Industrial Hygienists

ANSI: American National Standards Institute

ASHRAE: American Society of Heating, Refrigerating and Air Conditioning Engineers

CDC: Centers for Disease Control and Prevention (U.S. Dpartment of Health and Human Services)

CFR: Code of Federal Regulations

EPA: U.S. Environmental Protection Agency

FHWA: Federal Highway Administration (U.S. Department of Transportation)

NIOSH: National Institute for Occupational Safety and Health (U.S. Department of Health and Human Services, Centers for Disease Control and Prevention)

OSHA: Occuaptional Safety and Health Administration (U.S. Department of Labor)