2 options
Guidance on regional haze state implementation plans for the second implementation period.
- Format:
- Book
- Government document
- Language:
- English
- Subjects (All):
- Haze--Standards--United States.
- Haze.
- Air quality--Government policy--United States.
- Air quality.
- Haze--Environmental aspects--United States.
- Haze--Standards.
- Air quality--Government policy.
- Haze--Environmental aspects.
- United States.
- Physical Description:
- 1 online resource (various pagings)
- Place of Publication:
- Research Triangle Park, North Carolina : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Policy Division, 2019.
- Notes:
- EPA project officer: Elizabeth Etchells.
- "August 2019."
- "EPA-457/B-19-003."
- Includes bibliographical references.
- Online resource; title from PDF title page (EPA, viewed February 6, 2020).
- Other Edition:
- Revision of
- OCLC:
- 1140644619
The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.