1. U.S. EPA (United States Environmental
Protection Agency). Integrated
science assessment for oxides of nitrogen-health criteria. EPA/600/R-15/068. U.S. EPA: Washington, DC, 2016.
2. U.S. EPA (United States Environmental
Protection Agency). Integrated
science assessment for particulate matter. EPA/600/R-19/188. U.S. EPA: Washington, DC, 2019.
3. U.S. EPA (United States Environmental
Protection Agency). Supplement
to the 2019 integrated science assessment for particulate matter. EPA/600/R-22/028. U.S. EPA: Washington, DC, 2022.
4. WHO (World Health Organization). WHO global air quality guidelines:
Particulate matter (PM2.5 and PM10), ozone,
nitrogen dioxide, sulfur dioxide and carbon monoxide. World Health Organization: Geneva, 2021.