TY  - BOOK
ED  - United States.
TI  - Review of the secondary standards for ecological effects of oxides of nitrogen, oxides of sulfur, and particulate matter: risk and exposure assessment planning document  
PY  - 2018///
CY  - Research Triangle Park, North Carolina
PB  - U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division
KW  - Air quality
KW  - Standards
KW  - United States
KW  - Air
KW  - Pollution
KW  - Oxides
KW  - Health aspects
N1  - "August 2018."; "EPA-452/D-18-001."; CRDP Program record; Includes bibliographical references (pages 5-1-5-12)
UR  - https://purl.fdlp.gov/GPO/gpo119260
ER  -