Documents

Public Meetings of the Clean Air Scientific Advisory Committee (CASAC) Nitrogen Oxides Panel and the Chartered CASAC

Federal Register · Notice · Mar 6, 2024

SUPPLEMENTARY INFORMATION: Background: The CASAC was established pursuant to the Clean Air Act (CAA) Amendments of 1977, codified at 42 U.S.C. 7409(d)(2), to review air quality criteria and NAAQS … Section 109(d)(1) of the Clean Air Act (CAA) requires that EPA carry out a periodic review and revision, as appropriate, of the air quality criteria and the NAAQS for the six “criteria” air pollutants,

Determination of Attainment of the 1-Hour Ozone National Ambient Air Quality Standard in the San Joaquin Valley Nonattainment Area in California

Federal Register · Rule · Jul 18, 2016

In our proposed rule, we provided background information on the 1-hour ozone standard, the designations and classifications of the San Joaquin Valley under the Clean Air Act (CAA or “Act”) for the 1-hour … Public Comments We solicited comment on the proposed determination of attainment and opened a 30-day public comment period. The comment period closed on June 17, 2016.

Approval and Promulgation of Implementation Plans; California State Implementation Plan Revision, Yolo-Solano Air Quality Management District, Monterey Bay Unified Air Pollution Control District, South Coast Air Quality Management District, Santa Barbara County Air Pollution Control District, Sacramento Metropolitan Air Quality Management District, and Kern County Air Pollution Control District

Federal Register · Rule · Apr 2, 1999

Background On March 3, 1978, EPA promulgated a list of ozone nonattainment areas under the provisions of the Clean Air Act, as amended in l977 (1977 Act or pre-amended Act), that included the Sacramento … All public comments received will then be addressed in a subsequent final rule based on the proposed rule. The EPA will not institute a second comment period on this rule.

National Emission Standards for Hazardous Air Pollutants for Source Categories: Organic Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry and Other Processes Subject to the Negotiated Regulation for Equipment Leaks

Federal Register · Uncategorized Document · Oct 24, 1994

EPA will reconsider the compliance dates in the rule and following the notice and comment procedures of section 307(d) of the Clean Air Act, will take appropriate action. … 307(d)(7)(B) of the Clean Air Act, 42 U.S.C. 7607(d)(7)(B).

Integrated Science Assessment for Sulfur Oxides-Health Criteria

Federal Register · Notice · Sep 12, 2008

Section 109(d) of the Act requires subsequent periodic review and, if appropriate, revision of existing air quality criteria to reflect advances in scientific knowledge on the effects of the pollutant … The Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee mandated by the Clean Air Act and part of the EPA's Science Advisory Board (SAB), is charged with expert scientific

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; VOC and NOX RACT Determinations for Five Individual Sources in the Pittsburgh-Beaver Valley Area

Federal Register · Rule · Aug 20, 2001

EPA is approving these revisions to establish RACT requirements in the SIP in accordance with the Clean Air Act (CAA). … Air Act.

State and Federal Operating Permits Programs: Amendments Compliance Certification Requirements

Federal Register · Rule · Mar 1, 2001

Part 64 included procedures, design specifications, and performance criteria intended to satisfy, in part, the enhanced monitoring requirements of the Clean Air Act (“the Act”). … Most importantly, the court held that “EPA's adoption of CAM as “enhanced monitoring” meets the requirements of the Clean Air Act.” Id. at 137.

Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Wisconsin; Redesignation of the Milwaukee-Racine and Sheboygan Areas to Attainment for 1997 8-Hour Ozone Standard

Federal Register · Proposed Rule · Feb 9, 2012

Air Act (CAA or Act). … Division, September 4, 1992; “State Implementation Plan (SIP) Actions Submitted in Response to Clean Air Act (ACT) Deadlines,” Memorandum from John Calcagni, Director, Air Quality Management Division

Petition — Mann v. United States

Supreme Court brief · Petition · 1976

(Emphasis added. ) Congress did this in the Clean Air Act. … Clean Air Act § 101(b), 42 U.S.C. § 1857.

Proposed Finding of Failure To Attain; State of Arizona, Phoenix Nonattainment Area; State of California, Owens Valley Nonattainment Area; Particulate Matter of 10 Microns or Less

Federal Register · Proposed Rule · Mar 23, 2007

Quality Standard (NAAQS) for particulate matter of 10 microns or less (PM-10) by the deadline mandated in the Clean Air Act (CAA or the Act), December 31, 2006. … EPA is responsible for the implementation of federal Clean Air Act programs in Indian country, including findings of failure to attain.

Partial Approval and Partial Disapproval of Air Quality State Implementation Plans; Arizona; 2015 Ozone Infrastructure Requirements

Federal Register · Rule · Sep 4, 2024

On September 24, 2018, ADEQ submitted the “Arizona State Implementation Plan Revision under Clean Air Act Sections 110(a)(1) and 110(a)(2) for the 2015 Ozone National Ambient Air Quality Standards.”  … Public Comments and EPA Responses The EPA's proposed action provided a 30-day public comment period that ended on January 4, 2023. During this period, the EPA received one anonymous comment.

Revisions to the Arizona State Implementation Plan, Pinal County Air Quality Control District

Federal Register · Rule · Nov 13, 2002

We are finalizing action on local rules under the Clean Air Act as amended in 1990 (CAA or the Act). EFFECTIVE DATE: This rule is effective on December 13, 2002. … Public Comments and EPA Responses EPA's proposed action provided a 30-day public comment period. During this period, we did not receive any comments. III.

Approval and Promulgation of Air Quality Implementation Plans; Montana; Revisions to the Administrative Rules of Montana

Federal Register · Rule · Jan 29, 2010

This action is being taken under section 110 of the Clean Air Act. … or refer to the Clean Air Act, unless the context indicates otherwise.

AIR QUALITY DIVISION (2025)

Tribal code · Tribal code

Such changes are not subject to any requirements under title IV of the Clean Air Act and are not modifications under title I of the Clean Air Act; 1.15.1.3. … The engine or turbine replacement is not subject to any requirements under Title IV of the Clean Air Act and is not a modification under Title I of the Clean Air Act; 20 2.3.1.2.

Approval and Promulgation of Air Quality Implementation Plans; Colorado; Designation of Areas for Air Quality Planning Purposes, Lamar and Steamboat Springs

Federal Register · Rule · Aug 5, 2004

This action is being taken under sections 107, 110, and 175A of the Clean Air Act. … The redesignation requests and maintenance plans satisfy all applicable requirements of the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Oxygenated Gasoline Program

Federal Register · Rule · Jan 26, 1995

Air Act. … Air Act.

Approval and Promulgation of Implementation Plans; Commonwealth of Kentucky

Federal Register · Rule · Dec 8, 1998

SUPPLEMENTARY INFORMATION: On November 15, 1990, the President signed into law the Clean Air Act Amendments of 1990. … The Clean Air Act as amended in 1990 (CAA) includes new requirements for the improvement of air quality in nonattainment areas for the ozone NAAQS.

I/M Program RequirementOn-Board Diagnostic Checks

Federal Register · Rule · Aug 6, 1996

Air Act. … Response to Comments Section 202(m)(3) of the Clean Air Act requires OBD testing as a component of all I/M programs.

Revision of Sheboygan County, Wisconsin Nonattainment Designation for the 1997 and 2008 Ozone Standards and Clean Data Determination for the 2008 Ozone Standards

Federal Register · Rule · Jul 15, 2019

First, under the authority of Clean Air Act (CAA) section 107(d)(3)(D), EPA proposed to split the original Sheboygan nonattainment area for the 1997 ozone NAAQS and 2008 ozone NAAQS into two separate nonattainment … What comments did EPA receive? During the comment period, EPA received six comments, all of which were supportive. Therefore, EPA is finalizing this rule as proposed. III.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation of the Harrisburg-Lebanon-Carlisle Ozone Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan and 2002 Base Year Inventory

Federal Register · Proposed Rule · Jun 1, 2007

Division, September 4, 1992; • “State Implementation Plan (SIP) Actions Submitted in Response to Clean Air Act (Act) Deadlines,” Memorandum from John Calcagni, Director, Air Quality Management Division … Air Act.