Technical basis for the EPA's development of the significant impact thresholds for PM2.5 and ozone /
Technical basis for the EPA's development of the significant impact thresholds for PM2.5 and ozone /
Technical basis for the Environmental Protection Agency's development of the significant impact thresholds for Particulate Matter 2.5 and ozone
Air Quality Assessment Division.
- 1 online resource (2 volumes) : color illustrations, maps
"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].
Air quality--Standards--United States.
Air--Pollution--Standards--United States.
Air--Pollution--Measurement.--United States
Atmospheric ozone--Measurement.--United States
Atmospheric ozone--Environmental aspects--United States.
Air--Pollution--Measurement.
Air--Pollution--Standards.
Air quality--Standards.
Atmospheric ozone--Environmental aspects.
Atmospheric ozone--Measurement.
United States.
0483-E-22 (online)
EP 4.52:P 25/6/V.1-2
EPA-454/R-18-001a EPA-454/R-18-001b
"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].
Air quality--Standards--United States.
Air--Pollution--Standards--United States.
Air--Pollution--Measurement.--United States
Atmospheric ozone--Measurement.--United States
Atmospheric ozone--Environmental aspects--United States.
Air--Pollution--Measurement.
Air--Pollution--Standards.
Air quality--Standards.
Atmospheric ozone--Environmental aspects.
Atmospheric ozone--Measurement.
United States.
0483-E-22 (online)
EP 4.52:P 25/6/V.1-2
EPA-454/R-18-001a EPA-454/R-18-001b