This brochure from EPA's Air Risk Center discusses the process used to determine how much of a toxic air pollutant people are exposed to and how many people are exposed. This two-page pamphlet gives a general description of what regional haze is, where it comes from, and what is being done to reduce it. For additional information, see EPA's Visibility website. EPA tracks emissions of six principal air pollutants - carbon monoxide, lead, nitrogen oxides, particulate matter, sulfur dioxide, and volatile organic compounds. This brochure tells about this pollutant and the steps that EPA is taking to reduce its emissions.
Ozone acts as a protective layer high above the earth, but it can be harmful to breathe.
This short, colorful pamphlet tells who is at risk from exposure to ozone, what health effects are caused by ozone, and simple measures that can be taken to reduce health risk. A brief introduction to the 1990 version of the Clean Air Act, to help you understand what is in the law and how it may affect you. Regional Approaches to Improving Air Quality - 1997 Air pollution can be transported hundreds of miles downwind from its origin. Since air pollutants do not recognize political boundaries, states and communities cannot independently solve all of their air pollution problems. This brochure describes selected air pollutants of regional concern in the U.S. and summarizes ongoing efforts to control them.