Memo to:	EPA Docket (EPA-HQ-OAR-2017-0548)
From:		Denise Scott OAR/OAQPS/AQPD/GSG
Subject:		EPA Datasets Used for 2015 Ozone NAAQS Designations

The following datasets were used to prepare the technical support documents (TSDs) for the 2017 ozone NAAQS designations. These documents can be accessed from EPA's ozone designations website found at:
https://www.epa.gov/ozone-designations/ozone-designations-guidance-and-data.

Dataset
Link Address
Date Made Available
2016 and Early-Certified 2017 Ozone Design Values used in Final Designations
https://www.epa.gov/sites/production/files/2018-05/ozone_dv_tables_final_04-30-18.xlsx
April 30, 2018
2014 v1 NEI Emissions Summaries without Biogenics (excel spreadsheet)
https://www.epa.gov/sites/production/files/2017-12/2014_v1_nei_emissions_summaries_no_biogenics_20170404_0.xlsx
December 21, 2017
2014 Vehicle Miles Traveled (excel spreadsheet)
https://www.epa.gov/sites/production/files/2016-04/ozone-vmt-2011.xlsx
February 9, 2017
County Population (excel spreadsheet)
https://www.epa.gov/sites/production/files/2016-04/ozone-county-population.xlsx
July 14, 2016

