National Ambient Air Quality Standards for Particulate Matter (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the National Ambient Air Quality Standards for Particulate Matter (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 Based on its review of the air quality criteria and national ambient air quality standards (NAAQS) for particulate matter (PM), EPA is making revisions to the primary and secondary NAAQS for PM to provide increased protection of public health and welfare, respectively. With regard to primary standards for fine particles (generally referring to particles less than or equal to 2.5 micrometers (μm) in diameter, PM2.5), EPA is revising the level of the 24-hour PM2.5 standard to 35 micrograms per cubic meter (μg/m 3) and retaining the level of the annual PM2.5 standard at 15μg/m 3. With regard to primary standards for particles generally less than or equal to 10μm in diameter (PM10), EPA is retaining the 24-hour PM10 and revoking the annual PM10 standard. With regard to secondary PM standards, EPA is making them identical in all respects to the primary PM standards, as revised. This book contains: - The complete text of the National Ambient Air Quality Standards for Particulate Matter (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section

Air Quality State Implementation Plans - Approvals and Promulgations - Fine Particulate Matter National Ambient Air Quality Standards (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the Air Quality State Implementation Plans - Approvals and Promulgations - Fine Particulate Matter National Ambient Air Quality Standards (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 The Environmental Protection Agency (EPA) is finalizing requirements that state, local and tribal air agencies would have to meet as they implement the current and future national ambient air quality standards (NAAQS) for fine particulate matter (PM 2.5). Specifically, this document provides details on meeting the statutory state implementation plan (SIP) requirements that apply to areas designated nonattainment for any PM 2.5 NAAQS, such as: General requirements for attainment plan due dates and attainment dates; emissions inventories; attainment demonstrations; provisions for demonstrating reasonable further progress; quantitative milestones; contingency measures; and nonattainment New Source Review (NNSR) permitting programs, among other things. This rule clarifies the specific attainment planning requirements that apply to PM 2.5 NAAQS nonattainment areas based on their classification (either Moderate or Serious), and the process for reclassifying Moderate areas to Serious. Additionally, in this document the EPA is revoking the 1997 primary annual standard for areas designated as attainment for that standard because the EPA revised the primary annual standard in 2012. The EPA first established the PM 2.5 NAAQS in 1997, completed a review and revision of those standards in 2006, and most recently completed a review and revision of the PM 2.5 NAAQS on December 14, 2012. This book contains: - The complete text of the Air Quality State Implementation Plans - Approvals and Promulgations - Fine Particulate Matter National Ambient Air Quality Standards (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section

National Ambient Air Quality Standards for Ozone (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the National Ambient Air Quality Standards for Ozone (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 Based on its review of the air quality criteria for ozone (O 3) and related photochemical oxidants and national ambient air quality standards (NAAQS) for O 3, the Environmental Protection Agency (EPA) is revising the primary and secondary NAAQS for O 3 to provide requisite protection of public health and welfare, respectively. The EPA is revising the levels of both standards to 0.070 parts per million (ppm), and retaining their indicators (O 3), forms (fourth-highest daily maximum, averaged across three consecutive years) and averaging times (eight hours). The EPA is making corresponding revisions in data handling conventions for O 3 and changes to the Air Quality Index (AQI); revising regulations for the prevention of significant deterioration (PSD) program to add a transition provision for certain applications; and establishing exceptional events schedules and providing information related to implementing the revised standards. The EPA is also revising the O 3 monitoring seasons, the Federal Reference Method (FRM) for monitoring O 3 in the ambient air, Federal Equivalent Method (FEM) analyzer performance requirements, and the Photochemical Assessment Monitoring Stations (PAMS) network. Along with exceptional events schedules related to implementing the revised O 3 standards, the EPA is applying this same schedule approach to other future new or revised NAAQS and removing obsolete regulatory language for expired exceptional events deadlines. The EPA is making minor changes to the procedures and time periods for evaluating potential FRMs and equivalent methods, including making the requirements for nitrogen dioxide (NO 2) consistent with the requirements for O 3, and removing an obsolete requirement for the annual submission of Product Manufacturing Checklists by manufacturers of FRMs and FEMs for monitors of fine and coarse particulate matter. For a more detailed summary, see the Executive Summary below. This book contains: - The complete text of the National Ambient Air Quality Standards for Ozone (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section

National Ambient Air Quality Standards for Lead (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the National Ambient Air Quality Standards for Lead (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 Based on its review of the air quality criteria and national ambient air quality standards (NAAQS) for lead (Pb), EPA is making revisions to the primary and secondary NAAQS for Pb to provide requisite protection of public health and welfare, respectively. With regard to the primary standard, EPA is revising the level to 0.15 μg/m 3. EPA is retaining the current indicator of Pb in total suspended particles (Pb-TSP). EPA is revising the averaging time to a rolling 3-month period with a maximum (not-to-be-exceeded) form, evaluated over a 3-year period. EPA is revising the secondary standard to be identical in all respects to the revised primary standard. This book contains: - The complete text of the National Ambient Air Quality Standards for Lead (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section

Revisions to the General Conformity Regulations - Final Rule (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the Revisions to the General Conformity Regulations - Final Rule (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 The EPA is revising its regulations relating to the Clean Air Act (CAA) requirement that Federal actions conform to the appropriate State, tribal or Federal implementation plan (SIP, TIP, or FIP) for attaining clean air ("General Conformity"). EPA and other Federal agencies have gained experience with the implementation of the existing regulations, which were promulgated in 1993 (and underwent minor revisions in 2006), and have identified several issues with their implementation. In addition, in 2004, EPA issued regulations to implement the revised ozone national ambient air quality standards (NAAQS) and in 2007 issued regulations to implement the new fine particulate matter standard. State and other air quality agencies are in the process of developing revised plans to attain the new standards and the revisions to the General Conformity Regulations will be helpful to the State, Tribe, and local agencies in developing, and Federal agencies in commenting, on the proposed SIPs revisions. This rule revision will also facilitate Federal agency compliance with conforming its activities to the SIPs thereby preventing violations of the NAAQS. This rule revision provides for a timely and effective process for Federal agencies and States and Tribes to ensure Federal activities are incorporated in these SIPs. Where that is not possible, it provides an efficient and effective process for Federal agencies to ensure their actions do not cause or contribute to a violation of the NAAQS or interfere with the purpose of a SIP, TIP or FIP to attain or maintain the NAAQS. This book contains: - The complete text of the Revisions to the General Conformity Regulations - Final Rule (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section

Air Quality State Implementation Plans - Approvals and Promulgations - Connecticut - Control of Visible Emissions, Record Keeping and Monitoring (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the Air Quality State Implementation Plans - Approvals and Promulgations - Connecticut - Control of Visible Emissions, Record Keeping and Monitoring (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions submitted by the State of Connecticut on December 1, 2004. Specifically, EPA is approving revisions to Connecticut's visible and particulate matter (PM) emissions, recordkeeping and monitoring regulations. These revised rules establish and require limitations on visible and PM emissions for stationary sources, and clarify reporting requirements for operation of air-pollution-control and monitoring equipment. EPA is approving this SIP revision because EPA has determined that it will not interfere with attainment or maintenance of the national ambient air quality standards (NAAQS) in Connecticut or with any other applicable requirements of the Clean Air Act (CAA). This book contains: - The complete text of the Air Quality State Implementation Plans - Approvals and Promulgations - Connecticut - Control of Visible Emissions, Record Keeping and Monitoring (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section