Documents

Approval and Promulgation of State Plans for Designated Facilities and Pollutants: Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming; Negative Declarations

Federal Register · Proposed Rule · Jun 5, 2017

Air Act (CAA) exist in those states. … The EPA will not institute a second comment period on this action. Any parties interested in commenting must do so at this time.

Regulation of Fuels and Fuel Additives: Modifications to Renewable Fuel Standard and Diesel Sulfur Programs

Federal Register · Proposed Rule · Oct 9, 2012

EPA is proposing these amendments under section 211 of the Clean Air Act. B. … 211(o) of the Clean Air Act (CAA), which was originally added by the Energy Policy Act (EPAct) of 2005.

Air Plan Approval; North Carolina; Miscellaneous Rules

Federal Register · Proposed Rule · Feb 12, 2019

This action is being taken pursuant to the Clean Air Act (CAA or Act). DATES: Comments must be received on or before March 14, 2019. … FOR FURTHER INFORMATION CONTACT: Andres Febres, Air Regulatory Management Section, Air Planning and Implementation Branch, Air, Pesticides and Toxics Management Division, U.S.

National Emission Standards for Hazardous Air Pollutants: Primary Copper Smelting Residual Risk and Technology Review and Primary Copper Smelting Area Source Technology Review

Federal Register · Proposed Rule · Jan 11, 2022

required under the Clean Air Act (CAA). … dispersion model used by the HEM-4 model BTF beyond-the-floor CAA Clean Air Act CalEPA California EPA CBI Confidential Business Information CFR Code of Federal Regulations mg/dscm milligrams per

Approval and Promulgation of Implementation Plans; Michigan; Detroit-Ann Arbor Nonattainment Area; Fine Particulate Matter 2005 Base Year Emissions Inventory

Federal Register · Proposed Rule · Aug 1, 2012

EPA is taking this action pursuant to sections 110 and 172 of the Clean Air Act (CAA). DATES: Comments must be received on or before August 31, 2012. … monitoring data for the 2007-2009 and 2008-2010 design value periods.

Approval and Promulgation of Air Quality Implementation Plans; Virginia; Amendments to Existing Regulation Provisions Concerning Case-by-Case Reasonably Available Control Technology

Federal Register · Proposed Rule · Nov 3, 2009

This action is being taken under the Clean Air Act (CAA). DATES: Written comments must be received on or before December 3, 2009. … Thus, in reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Air Plan Approval; New Jersey; Northern New Jersey and Southern New Jersey Counties' Second 10-Year Limited Maintenance Plan for the 2006 24-Hour PM2.5 Standard

Federal Register · Proposed Rule · Jul 31, 2025

SUMMARY: The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act (CAA), the limited maintenance plan (LMP) for the 2006 PM 2.5 national ambient air quality standard … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Puerto Rico; Negative Declaration for the Oil and Gas Industry

Federal Register · Proposed Rule · Aug 27, 2026

SUMMARY: Pursuant to the Clean Air Act, the Environmental Protection Agency is proposing to approve a negative declaration for oil and natural gas facilities within the Commonwealth of Puerto Rico. … While this list may not be exhaustive, for ease of reading and for reference purposes, the EPA defines the following terms and acronyms here: CAA, Clean Air Act; CBI, Confidential Business Information;

Approval and Promulgation of Air Quality Implementation Plans; Delaware; Regional Haze State Implementation Plan for the Second Implementation Period

Federal Register · Proposed Rule · Aug 19, 2024

Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period. … Conversion to coal required for energy considerations, as specified in section 113(d)(5) of the 1977 Clean Air Act, shall not be considered a modification.

Air Plan Approval/Disapproval; Mississippi Infrastructure Requirements for the 2010 Nitrogen Dioxide National Ambient Air Quality Standards

Federal Register · Proposed Rule · May 24, 2016

Air Act (CAA or Act) for the 2010 1-hour nitrogen dioxide (NO 2 ) national ambient air quality standards (NAAQS). … EPA elects to issue such guidance in order to assist states, as appropriate. 12  “Guidance on Infrastructure State Implementation Plan (SIP) Elements under Clean Air Act Sections 110(a)(1) and

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Section 110(a)(1) 8-Hour Ozone Maintenance Plan and 2002 Base-Year Inventory for the Lawrence County Area

Federal Register · Proposed Rule · May 27, 2008

EPA is proposing approval of the maintenance plan and the 2002 base-year inventory in accordance with the requirements of the Clean Air Act (CAA). … maintenance period.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Section 110(a)(1) 8-Hour Ozone Maintenance Plan and 2002 Base-Year Inventory for the Schuylkill County Area

Federal Register · Proposed Rule · Jun 5, 2008

EPA is proposing approval of the maintenance plan and the 2002 base-year inventory in accordance with the requirements of the Clean Air Act (CAA). … data during the maintenance period.

Relaxation of the Federal Reid Vapor Pressure (RVP) Gasoline Volatility Standard for Shelby County (Memphis), Tennessee

Federal Register · Proposed Rule · Aug 17, 2017

EPA has preliminarily determined that this change to the Federal RVP regulation is consistent with the applicable provisions of the Clean Air Act (CAA). … Legal Authority The statutory authority for this action is granted to EPA by sections 211(h) and 301(a) of the Clean Air Act, as amended; 42 U.S.C. 7545(h) and 7601(a).

Approval, Disapproval and Promulgation of Air Quality Implementation Plans; Arizona; Regional Haze State and Federal Implementation Plans

Federal Register · Proposed Rule · Jul 9, 2012

SUPPLEMENTARY INFORMATION: Section 169A of the Clean Air Act (CAA) establishes as a national goal the “prevention of any future, and the remedying of any existing, impairment of visibility in mandatory … Written statements and supporting information submitted during the comment period will be considered with the same weight as any oral comments and supporting information presented at the public hearing

Air Plan Approval; New Hampshire; Nonattainment Plan for the Central New Hampshire SO2 Nonattainment Area

Federal Register · Proposed Rule · Sep 28, 2017

This plan (herein called a “nonattainment plan”) includes New Hampshire's attainment demonstration and other elements required under the Clean Air Act (CAA). … Generally, as set forth in section 176(c) of the Clean Air Act, conformity requires that actions by federal agencies do not cause new air quality violations, worsen existing violations, or delay timely

Air Plan Approvals; Tennessee: Revisions to Ambient Air Quality Standards

Federal Register · Proposed Rule · May 21, 2018

The portion of the SIP revision that EPA is approving is consistent with the requirements of the Clean Air Act (CAA or Act). … The CAA requires periodic review of the air quality criteria—the science upon which the standards are based—and the standards themselves.

Approval and Promulgation of Implementation Plans; Illinois

Federal Register · Proposed Rule · Mar 22, 2004

We will not institute a second comment period on this action. Any parties interested in commenting on this action should do so at this time. … ADDRESSES: Written comments should be sent to: J. Elmer Bortzer, Acting Chief, Air Programs Branch (AR-18J), EPA Region 5, 77 West Jackson Boulevard, Chicago, Illinois 60604-3590.

Airworthiness Directives Airbus Helicopters (Previously Eurocopter France)

Federal Register · Proposed Rule · Sep 25, 2015

Before acting on this proposal, we will consider all comments we receive on or before the closing date for comments. … We will consider comments filed after the comment period has closed if it is possible to do so without incurring expense or delay. We may change this proposal in light of the comments we receive.

Approval and Promulgation of Air Quality Implementation Plans; Rhode Island; Decommissioning of Stage II Vapor Recovery Systems

Federal Register · Proposed Rule · Oct 24, 2014

Air Act and EPA guidance. … Stage II vapor recovery systems and vehicle ORVR systems were initially both required by the 1990 Amendments to the Clean Air Act (CAA).

Approval of California Air Plan Revision, Imperial County Air Pollution Control District

Federal Register · Proposed Rule · May 10, 2021

We are proposing to approve a local rule to regulate these emission sources under the Clean Air Act (CAA or the Act). … Thus, in reviewing SIP submissions, the EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.