Policy assessment for the review of the national ambient air quality standards for particulate matter, external review draft.
| Format: | Government Document eBook |
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| Language: | English |
| Published: |
Research Triangle Park, NC :
U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division,
September 2019.
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| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo128868 |
| Item Description: | "September 2019." "EPA-452/P-19-001." |
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| Physical Description: | 1 online resource (457 unnumbered pages) : illustrations (some color), maps (some color) |
| Bibliography: | Includes bibliographical references. |