UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

NATIONAL VEHICLE AND FUEL EMISSIONS LABORATORY

2565 PLYMOUTH ROAD

ANN ARBOR, MICHIGAN 48105-2498

OFFICE OF

AIR AND RADIATION

                                                                        
          	     

MEMORANDUM

SUBJECT:	Emissions Inventory and Air Quality Modeling Data Files for
Proposed Tier 3 Motor Vehicle Emission and Fuel Standards

		

FROM:	Margaret Zawacki

		Assessment and Standards Division, Office of Transportation and Air
Quality

TO:		Docket EPA-HQ-OAR-2011-0135

DATE:		April 25, 2013

The purpose of this memorandum is to provide contact information for
persons who would like to obtain emissions inventory and air quality
modeling data files which were used in the air quality modeling for the
proposed Tier 3 motor vehicle emissions and fuel standards.  The
emissions inventory modeling analyses are discussed in the Emissions
Inventory for Air Quality Modeling Technical Support Document: Proposed
Tier 3 Motor Vehicle Emission and Fuel Standards.  The air quality
modeling analysis is discussed in the Air Quality Modeling Technical
Support Document: Proposed Tier 3 Motor Vehicle Emission and Fuel
Standards.  Both technical support documents are contained in the docket
for the Tier 3 rulemaking (EPA-HQ-OAR-2011-0135).

To obtain the data files please contact:

Sharon Phillips

EPA/OAQPS/AQAD

109 T.W. Alexander Drive

C439-01

Research Triangle Park, NC 27709

(919) 541-2138

phillips.sharon@epa.gov

