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Acronyms & Definitions
Broward County > Pollution Prevention > Air Quality > Acronyms & Definitions

Air Toxics - chemicals that are known or suspected to cause adverse health effects; also known as hazardous air pollutants or toxic air pollutants

AT – see: Air Toxics

ATRA - Air Toxics Risk Assessment; a reference library currently being developed by the EPA

CAA – Clean Air Act; passed in 1970, amended in the 1990s; it has served as the framework to protect people and the environment from the harmful effects of air pollution

Criteria pollutants – six common air pollutants for which the EPA has set national air quality standards; they are ozone, particulate matter, carbon monoxide, nitrogen dioxide, sulfur dioxide, and lead

Diesel PM – Diesel Particulate Matter

DPEP – Broward County, Department of Planning & Environmental Protection (former department name)

EPA – U.S. Environmental Protection Agency

EPD – Broward County Environmental Protection Department (current department name)

GC/MS – Gas chromatography/mass spectrometry

HAP – Hazardous Air Pollutant; also known as air toxic or toxic air pollutant

MACT – Maximum Achievable Control Technology; standards developed by the EPA for controlling emissions of air toxics from each major industrial source

NATA – National Air Toxics Assessment; developed by the U.S. EPA to model exposure to 32 air toxics plus diesel particulate matter (diesel PM). These pollutants present the greatest threat to public health in the largest number of urban areas.

NEI – National Emissions Inventory

NTI – National Toxics Inventory

PM – Particulate Matter

TRI – Toxics Release Inventory