Explain the Categories of Air Pollution

1. Ambient Air Pollution

• Out door environment o Involves complex array of sources and pollutants, meteorological transport of the pollutants to a receptor
• US Environmental Protection Agency (EPA) is the regulatory authority
• Indoor Air Pollution o Indoor environment in which people live
• US EPA is the active agency
• No Federal regulations as yet

2. Occupational (Industrial Hygiene) Air Pollution o Associated with exposure to a large range of pollutants (particles, mists, acid vapors, and organic and inorganic gases) in the work place

• Regulatory standards established by Occupational Safety and Health Administration (OSHA) and developed by American Conference of Governmental and Industrial Hygienists (ACGIH) and the National Institute of Occupational Safety and Health (NIOSH)

3. Personal Exposure

• Exposure to dust, fumes, gases, or mists to which an individual exposes oneself