Documents

Regional Haze Regulations; Availability of Guidance Documents

Federal Register · Notice · Nov 17, 2003

These provisions were further supplemented by section 169B of the Clean Air Act Amendments of 1990 (42 U.S.C. 7492). … Sections 169A and 169B of the Clean Air Act and implementing regulations at 40 CFR 51.308 and 51.309 contain legally binding requirements.

Draft Integrated Science Assessment for Sulfur Oxides-Health Criteria

Federal Register · Notice · Nov 24, 2015

Information About the Document Section 108(a) of the Clean Air Act directs the Administrator to identify certain pollutants which, among other things, “cause or contribute to air pollution which may … The CASAC, an independent science advisory committee whose review and advisory functions are mandated by Section 109(d)(2) of the Clean Air Act, is charged (among other things) with independent scientific

Integrated Science Assessment for Oxides of Nitrogen-Health Criteria

Federal Register · Notice · Jul 11, 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 independent

Release of Draft Integrated Science Assessment To Support the Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen

Federal Register · Notice · Jul 17, 2026

Information About the Draft Document Two sections of the Clean Air Act (CAA) govern the establishment and revision of the NAAQS. … CAA section 109(d)(1) requires periodic review and, if appropriate, revision of existing air quality criteria.

Air Quality Criteria for Particulate Matter (External Review Draft)

Federal Register · Notice · Oct 27, 1999

Sections 108 and 109 of the Clean Air Act require that the EPA carry out a periodic review and revision, where appropriate, of the criteria and the National Ambient Air Quality Standards (NAAQS) for the … Near the end of the comment period on the external review draft, Air Quality Criteria for Particulate Matter, the EPA will present the draft at a public meeting for review by the Clean Air Scientific Advisory

California State Motor Vehicle Pollution Control Standards; Advanced Clean Fleets Regulation; Request for Waiver of Preemption and Authorization; Opportunity for Public Hearing and Public Comment

Federal Register · Notice · Jul 12, 2024

Scope of Preemption and Criteria for a Waiver and Authorization Under the Clean Air Act Section 209(a) of the Clean Air Act, as amended (“Act”), 42 U.S.C. 7543(a), provides: No State or any political … Air Act.

Extension of Public Comment Period: Second External Review Draft Integrated Science Assessment for Particulate Matter

Federal Register · Notice · Aug 31, 2009

Information About the Document Section 108(a) of the Clean Air Act directs the Administrator to identify certain pollutants which, among other things, “cause or contribute to air pollution which may reasonably … The Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee whose existence and whose review and advisory functions are mandated by Section 109(d)(2) of the Act, is charged

Notice of Workshop and Call for Information on Integrated Science Assessment for Ozone

Federal Register · Notice · Sep 29, 2008

Information About the Project Section 108 (a) of the Clean Air Act directs the Administrator to issue “air quality criteria” for certain air pollutants. … 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 independent

Science Advisory Board Staff Office; Advisory Council on Clean Air Compliance Analysis; Notification of a Public Advisory Committee Meeting; (Teleconference)

Federal Register · Notice · Aug 7, 2006

Pursuant to a requirement under section 812 of the 1990 Clean Air Act Amendments, EPA's Office of Air and Radiation (OAR) conducts periodic studies to assess the benefits and the costs of the Clean Air … Act.

Draft Integrated Science Assessment for Nitrogen Oxides-Health Criteria

Federal Register · Notice · Nov 22, 2013

Information About the Document Section 108 (a) of the Clean Air Act directs the Administrator to identify certain pollutants which, among other things, “cause or contribute to air pollution which may … The CASAC, an independent science advisory committee whose review and advisory functions are mandated by Section 109 (d) (2) of the Clean Air Act, is charged (among other things) with independent scientific

Integrated Science Assessment for Lead (Pb)

Federal Register · Notice · Feb 26, 2010

Information About the Project Section 108 (a) of the Clean Air Act directs the Administrator to identify pollutants that meet certain criteria, including emissions which “may reasonably be anticipated … 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 independent

Air Quality Criteria for Particulate Matter (External Review Draft)

Federal Register · Notice · May 9, 2002

Sections 108 and 109 of the Clean Air Act require that EPA carry out a periodic review and revision, where appropriate, of the air quality criteria and NAAQS for “criteria” air pollutants such as PM. … EPA made a First External Review Draft of the updated Air Quality Criteria for Particulate Matter available for review by the Clean Air Act Scientific Advisory Committee (CASAC) and members of the

Agency Information Collection Activities

Federal Register · Notice · Mar 26, 1996

Therefore, this NSPS was promulgated under Clean Air Act (CAA) section 111 for this source category. … EPA is required under Section 112(d) of the Clean Air Act (Act) to regulate emissions of 189 hazardous air pollutants (HAPs) listed in Section 112(b) of the Act.

Draft Plan for Development of the Integrated Science Assessment for Nitrogen Oxides-Health Criteria

Federal Register · Notice · May 3, 2013

Information About the Document Section 108(a) of the Clean Air Act directs the Administrator to identify certain pollutants, which among other things, “cause or contribute to air pollution, which may … The CASAC, an independent science advisory committee whose review and advisory functions are mandated by Section 109(d)(2) of the Clean Air Act, is charged (among other things) with independent scientific

Release of Volumes 1 and 2 of the Integrated Review Plan for the Lead National Ambient Air Quality Standards

Federal Register · Notice · Mar 10, 2022

Information About the Documents Two sections of the Clean Air Act (CAA or the Act) govern the establishment and revision of the NAAQS. … Section 109(d)(1) of the Act requires periodic review and, if appropriate, revision of existing air quality criteria.

Notice of Availability of a Final General Conformity Determination for the California High-Speed Rail System, San Francisco to San Jose Section

Federal Register · Notice · Jul 28, 2022

However, under Section 327, FRA remains responsible for compliance with the Clean Air Act General Conformity requirements. … FRA prepared a Draft General Conformity Determination, pursuant to 40 CFR part 93, subpart B, which establishes the process for complying with the General Conformity requirements of the Clean Air Act.

Petitions for Modification of Application of Existing Mandatory Safety Standard

Federal Register · Notice · Aug 20, 2018

The system consists of four major components: a cleaning booth, an air spray manifold, an air reservoir, and an exhaust ventilation system. … (13) The air reservoir tank supplying air to the manifold system will be of sufficient volume to permit no less than 20 seconds of continuous cleaning time.

Petitions for Modification of Existing Mandatory Safety Standards

Federal Register · Notice · Mar 24, 2011

Nelson, Acting Director, Office of Standards, Regulations, and Variances. MSHA will consider only comments postmarked by the U.S. … and ensure that the door is fully closed before opening the air valve. (17) Periodic maintenance checks will be performed in accordance with the NIOSH recommendation contained within the “Clothes Cleaning

Draft Integrated Science Assessment for Lead

Federal Register · Notice · Nov 27, 2012

Information About the Document Section 108 (a) of the Clean Air Act directs the Administrator to identify certain pollutants which, among other things, “cause or contribute to air pollution, which may … The CASAC, an independent science advisory committee mandated by Section 109 (d) (2) of the Clean Air Act, is charged with independent scientific review of EPA's air quality criteria.

Science Advisory Board Staff Office, Clean Air Scientific Advisory Committee (CASAC), Notification of Public Advisory Committee Meeting (Teleconference)

Federal Register · Notice · Mar 9, 2005

SUPPLEMENTARY INFORMATION: Background: The CASAC, which comprises seven members appointed by the EPA Administrator, was established under section 109(d)(2) of the Clean Air Act (42 U.S.C. 7409) as … The Clean Air Act requires periodic update of the Air Quality Criteria Document (AQCD) for Lead.