Jul 23, 2007· Comment submitted by Mark Wenzler, Clean Air Program Director, National Parks Conservation Association et al.· EPA-HQ-OAR-2006-0888-0066
Filed on regulations.gov — full text not in the inline record.
National Parks Conservation Association filed 1 comment on this docket between Jul 23, 2007 and Jul 23, 2007. 15 other organizations filed here. The comment window closed 6878d ago.
Filed on regulations.gov — full text not in the inline record.
In this rulemaking, we propose to refine several aspects of the method that may be used to calculate an increase in concentration for increment purposes under the New Source Review Prevention of Significant Deterioration (PSD) Program. The PSD measures protect air quality in areas that currently have clean air.
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