                                       

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 Final Heavy Duty GHG Phase 2 Standards
		
FROM:	Margaret Zawacki
		Assessment and Standards Division, Office of Transportation and Air Quality

TO:		Docket EPA-HQ-OAR-2014-0827

DATE:		July 19, 2016



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 Final Heavy-Duty GHG Phase 2 standards.  The emissions inventory modeling analyses are discussed in the Emissions Inventory for Air Quality Modeling Technical Support Document: Final Heavy-Duty GHG Phase 2 Standards.  The air quality modeling analysis is discussed in the Air Quality Modeling Technical Support Document: Final Heavy-Duty GHG Phase 2 Standards.  Both technical support documents are contained in the docket for the HDGHG2 rulemaking (EPA-HQ-OAR-2014-0827).

To obtain the data files please contact:

Margaret Zawacki
EPA/OTAQ/ASD
2000 Traverwood Drive
Ann Arbor, MI 48105
(734) 214-4472
zawacki.margaret@epa.gov

