OAR Policy and Guidance Metarecord

Document Title/Subject: Use of Latest Planning Assumptions in Conformity Determinations Related Documents:	Signed by: Robert Perciasepe, Assistant Adminstrator, OAR Signature Date: January 18, 2001 Contact: Meg Patulski	Filename(s): http://www.epa.gov/ttn/oarpg/t2/memoranda/confdet.pdf URL(s): http://www.epa.gov/otaq/transp/conform/confasum.pdf
Regulatory Authority: Title 2	Division/Director: Transportation and Regional Programs Division (OTAQ) /	Submitted By: barker.jennifer	OGC Contact: Sara Schneeberg OGC Phone#: 202-564-5592	Internet Contact: otaqpublicweb@epa.gov
Document Type: Policy & Guidance Memos,	EPA Document Number: Federal Register:	Supersedes:
Subject Category: AIR COMPLIANCE AND ENFORCEMENT ENVIRONMENTAL PROTECTION AGENCY GOVERNMENT	Keywords: Automobiles Compliance Assistance Emissions Pollutants Trucks and Buses Vehicle Emissions	Terms: Air pollutants Air quality Automobiles and other vehicles Clean Air Act CAA Pollution prevention programs
Abstract: The EPA and the U.S. Department of Transportation are issuing this memo jointly to clarify our expectations for implementing the transportation conformity rule's requirements for use of latest planning assumptions in conformity determinations. This memo also reiterates EPA's expectations for using latest planning assumptions in the development of motor vehicle emissions budgets in State Implementation Plans (SIPs).