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OAR Policy and Guidance Metarecord

Document Title/Subject:
Determination of Adequacy of Section 112 to Address Deposition of Hazardous Air Pollutants to the Great Waters
Related Documents:
"Deposition of Air Pollutants to the Great Waters: First Report to Congress," EPA-453/R-93-055, May 1994 "Deposition of Air Pollutants to the Great Waters: Second Report to Congress," EPA-453/R-97-011, June, 1997
Signed by: Carol Browner

Signature Date: March 13, 1998

Dale Evarts, Office of Air Quality Planning and Standards (MD-15), U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711



Regulatory Authority:
Title 3

Air Quality Strategies and Standards Division (OAQPS)
Submitted By:
Document Type:
Supplemental Notices Supplemental Notices
EPA Document Number:

Federal Register:
Subject Category:


Hazardous air pollutants
atmospheric deposition
Great Lakes Coastal Waters Air Toxics

Air pollutants
Clean Air Act
Toxic substances
Water quality
This notice provides EPA's determination that the legal authorities contained in the provisions of
section 112 of the 1990 Amendments to the Clean Air Act (Act) are adequate to prevent serious adverse public health effects and serious or widespread environmental effects associated with atmospheric deposition of hazardous air pollutants (HAP) to the Great Lakes, the Chesapeake Bay, Lake Champlain, and certain coastal waters (the Great Waters). The notice also provides EPA's termination that further emission standards or control measures under section 112(m)(6), beyond those that can otherwise be adopted under section 112, are not necessary and appropriate at this time to prevent such effects. These determinations are not a conclusion that EPA has taken full advantage of the statutory authorities under section 112, but that these authorities exist and are adequate, based on the information available now, to prevent serious adverse effects to public health and serious or widespread environmental effects associated with atmospheric deposition of HAP to the Great Waters. The two draft determ inations were published on July 7, 1997, and a public comment period during which interested persons could submit written comments in response to the draft determinations ran through August 6, 1997. These determinations are being made pursuant to section 112(m)(6) of the Act, as amended in 1990.

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