TY  - BOOK
ED  - United States.
TI  - Technical basis for the EPA's development of the significant impact thresholds for PM2.5 and ozone
PY  - 2018///
CY  - Research Triangle Park, NC
PB  - U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Assessment Division
KW  - Air quality
KW  - Standards
KW  - United States
KW  - Air
KW  - Pollution
KW  - Measurement
KW  - Atmospheric ozone
KW  - Environmental aspects
KW  - fast
N1  - "April 2018."; "EPA-454/R-18-001."; Suffix in report number based on information from agency; CRDP Program record; Includes bibliographical references; [V.1. Without special title] -- [V.2 Appendices]
UR  - https://purl.fdlp.gov/GPO/gpo112914
ER  -