EPA Air Quality Documents
Air Quality Background Documents | |
NOx, SOx, & PM Secondary Air Quality Standards – ISA (Integrated Science Assessment) | a comprehensive evaluation and synthesis of the most policy relevant science aimed at characterizing the ecological effects caused by oxides of nitrogen, oxides of sulfur, and particulate matter |
Policy | |
NOx, SOx, & PM Secondary NAAQS – REA Planning Document | provides a review by the EPA of the air quality criteria and the secondary (welfare-based, including ecosystem health) national ambient air quality standards (NAAQS) for nitrogen oxides (NOx), sulfur oxides (SOx), and particulate matter (PM) |
Policy Assessment & REA – Risk and Exposure Assessment | presents the draft policy assessment for the U.S. EPA’s current review of the secondary national ambient air quality standards (NAAQS) for oxides of nitrogen, oxides of sulfur and particulate matter (SOx and PM) |
Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) Secondary Air Quality Standards | provides background informaiton on the Secondary Air Quality Standard for NOx and SOx. It includes policy documents of the current and past reviews |