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Main Title

Air quality modeling technical support document : final EGU NESHAP.

CORP Author

Environmental Protection Agency, Research Triangle Park, NC. Office of Air Quality Planning and Standards.

Publisher

U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Assessment Division,

Year Published

2011

Report Number

EPA-454/R-11-009

Stock Number

PB2012-101610

OCLC Number

771944960

Subjects

Air quality--Standards--United States ; Air--Pollution--United States--Mathematical models ; Air--Pollution--Law and legislation--United States

Additional Subjects

Electric power generators ; Air quality modeling ; Emissions ; Inventories ; Maps ; Tables (Data) ; Modeling ; Assessments ; Visibility ; Photochemical models ; National Emissions Standard for Hazardous Air Pollutants (NESHAP) ; Electric Generating Unit (EGU) ; Stationary point sources ; Community Multi-scale Air Quality (CMAQ) model ; Environmental Protection Agency

Internet Access

Description	Access URL
	https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P100CFNT.PDF
	http://www.epa.gov/ttn/scram/reports/EPA454-R_11_009.pdf

Holdings

Library	Call Number	Additional Info	Location	Last Modified	Checkout Status
EKBD	EPA-454/R-11-009		Research Triangle Park Library/RTP, NC	01/17/2012
NTIS	PB2012-101610	Some EPA libraries have a fiche copy filed under the call number shown.		07/26/2022

Collation

11 p. : col. maps, charts ; 28 cm.

Abstract

This document describes the air quality modeling performed by EPA in support of the final National Emissions Standard for Hazardous Air Pollutants (NESHAP) related to electrical generating utilities. A national scale air quality modeling analysis was performed to estimate the impact of the sector emissions changes on future year annual and 24-hour PM2.5 concentrations, 8-hr maximum ozone, as well as visibility impairment. Air quality benefits are estimated with the Community Multi-scale Air Quality (CMAQ) model. CMAQ simulates the numerous physical and chemical processes involved in the formation, transport, and destruction of ozone, particulate matter and other air pollutants. In addition to the CMAQ model, the modeling platform includes the emissions, meteorology, and initial and boundary condition data which are inputs to this model. Emissions and air quality modeling decisions are made early in the analytical process. For this reason, it is important to note that the inventories used in the air quality modeling may be slightly different than the final utility sector inventories presented in the RIA. However, the air quality inventories and the final rule inventories are generally consistent, so the air quality modeling adequately reflects the effects of the rule.

Notes

"October 2011". Project Officer: Kirk Baker. Includes bibliographical references (p. 10-11). "EPA-454/R-11-009". PB2012-101610.

Place Published

Research Triangle Park, NC

Supplementary Notes