OAR Policy and Guidance Metarecord

Document Title/Subject: Air Dispersion Modeling of Toxic Pollutants in Urban Areas:Guidance, Methodology, and Example Applications Related Documents:	Signed by: J. David Mobley Signature Date: September 28, 1999 Contact: Joe Touma OAQPS/EMAD/AQMG (MD-14) Research Triangle Park, NC 27711	Filename(s): URL(s): http://www.epa.gov/ttn/scram/guidance/guide/uatw2.zip http://www.epa.gov/ttn/scram/guidance/guide/appendia.zip http://www.epa.gov/ttn/scram/guidance/guide/appendib.zip http://www.epa.gov/ttn/scram/guidance/guide/appendic.zip
Regulatory Authority: Title 3	Division/Director: Emissions, Monitoring, and Analysis Division (OAQPS) / J. David Mobley	Submitted By: Touma. Joe	OGC Contact: Paul Cort OGC Phone#: 202-564-5573	Internet Contact: Barbara Parzygnat
Document Type: Enabling Documents	EPA Document Number: EPA-454/R-99-021 Federal Register:	Supersedes:
Subject Category: AIR	Keywords: Models Air Toxics	Terms: Air quality
Abstract: This document provides guidance for modeling urban area impacts of air toxic pollutants; a demonstration of a methodology for use in city-specific analyses; and two example applications of city-specific air toxics modeling applications. The first two sections of the report present generalized guidance and the overview of two modeling applications. Section 1 presents guidance for conducting air toxics dispersion modeling for an urban area. Section 2 presents highlights from two case studies of applying guidance in urban areas.

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OAR Policy and Guidance Metarecord

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