Regs.gov: Environmental Protection Agency

Lead NAAQS Implementation Q&A Memo, 2012 Addendum

Lead NAAQS Implementation Q&A Memo, 2012 Addendum

Canton Pb SIP Appendix H First Shutdown Letter

Canton Pb SIP Appendix H First Shutdown Letter

Canton Pb SIP Appendix M Modeling Analysis EPA Document

Canton Pb SIP Appendix M Modeling Analysis EPA Document

St. Clair County Michigan 2010 SO2 Redesignation Maintenance Plan 2023

EPA finalized the St. Clair County Michigan 2010 SO2 Redesignation Maintenance Plan for 2023. The plan establishes how the area will maintain sulfur dioxide air quality standards following redesignation from nonattainment to attainment status under the Clean Air Act. Affected facilities in St. Clair County must continue monitoring and complying with SO2 emissions requirements under the approved maintenance plan.

Canton OH Lead Redesignation Technical Support Document

EPA Region 5 has published a Technical Support Document for the proposed redesignation of the Canton, Ohio nonattainment area for the Lead (Pb) National Ambient Air Quality Standards (NAAQS). The document provides the technical basis and air quality modeling analysis supporting the redesignation from "nonattainment" to "attainment" for the 2008 Lead NAAQS.

Canton Lead SIP Appendix P, Public Notice and Response to Comments

EPA Region 5 has posted a public notice and Response to Comments (RTC) document for the Canton, Ohio Lead (Pb) State Implementation Plan (SIP) Appendix P. The document addresses public comments received during the comment period for the proposed SIP revision related to lead air quality standards in the Canton area. This is a procedural administrative document providing transparency on the agency's response to public input.

Canton NAA 2017-2023 Lead Emissions Inventory Document

EPA Region 5 has published a lead emissions inventory document for the Canton Nonattainment Area covering years 2017-2023. The document was submitted to regulations.gov under docket EPA-R05-OAR-2024-0461. This inventory likely supports state implementation plan development and air quality compliance tracking for the Canton area.

Canton Lead SIP Appendix G Federal Consent Decree

EPA Region 5 filed a State Implementation Plan (SIP) revision for Canton, Ohio addressing lead (Pb) emissions under Appendix G of a federal consent decree. The document constitutes a SIP revision submitted pursuant to the Clean Air Act to achieve or maintain compliance with National Ambient Air Quality Standards (NAAQS) for lead. The consent decree establishes enforceable obligations and deadlines for achieving the emissions reductions specified in the SIP.

Canton Pb SIP Appendix D Consent Order Document

EPA Region 5 has published Appendix D of the Canton Pb (Lead) State Implementation Plan Consent Order Document. The document establishes compliance requirements and monitoring obligations for the regulated facility under the National Ambient Air Quality Standards for lead. Affected sources must adhere to the emission limitations and reporting schedules specified in the consent order.

Canton Pb SIP Main Document, Ohio Lead Redesignation

EPA has finalized the Canton, Ohio lead State Implementation Plan (SIP) redesignation request. The document contains the main SIP submission materials for the lead nonattainment area redesignation. The action affects air quality management requirements for the Canton area and establishes revised regulatory obligations for lead emissions sources within the designated area.