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EPA/AR RIN: 2060-AR19 Publication ID: Spring 2015 
Title: Data Requirements Rule for the One-Hour Sulfur Dioxide Primary National Ambient Air Quality Standard (NAAQS) 

This final rule will describe procedures for air agencies to characterize sulfur dioxide concentrations through ambient monitoring or air quality modeling techniques in targeted areas around the country in which the largest sources of emissions are located. The air quality information collected by the air agencies will then be used by the EPA to inform future determinations regarding sulfur dioxide national ambient air quality standard attainment status under the Clean Air Act. The rule will reference appropriate recommended guidance on monitoring and modeling techniques, and it will include timelines for air agencies to conduct the recommended analyses and provide the data to the EPA.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 51   
Legal Authority: 23 U.S.C. 101    42 U.S.C. 7401 to 7671q   
Legal Deadline:  None
Action Date FR Cite
NPRM  05/13/2014  79 FR 27245   
Final Rule  10/00/2015 
Additional Information: Docket #:EPA-HQ-OAR-2013-0711
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Local, State, Tribal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:  
RIN Data Printed in the FR: No 
Agency Contact:
Larry Wallace
Environmental Protection Agency
Air and Radiation
Research Triangle Park, NC 27711
Phone:919 541-0906