{"abstract":"The Environmental Protection Agency (EPA) is approving delegation of authority to the Northwest Clean Air Agency (NWCAA) for implementing and enforcing the Federal plan requirements for sewage sludge incineration (SSI) units. The Federal plan addresses the implementation and enforcement of emission limits and other control requirements for designated air pollutants. On December 11, 2018, the EPA Region 10 Regional Administrator and the Executive Director of NWCAA signed a Memorandum of Agreement (MOA) concerning delegation of authority of the Federal plan to NWCAA, which became effective upon signature. The geographic area covered by this MOA comprises Island, Skagit, and Whatcom Counties in the State of Washington, except in Indian country. This document informs the public of the MOA, provides a copy of the signed document, and amends regulatory text in accordance with the Clean Air Act (CAA).","action":"Final rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/05/14/2026-09615.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"62","title":40}],"citation":"91 FR 27219","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective on May 14, 2026.","disposition_notes":null,"docket_ids":["EPA-R10-OAR-2026-0694","FRL-13223-01-R10"],"dockets":[{"supporting_documents":[{"title":"003_TSD NWCAA SSI plan","document_id":"EPA-R10-OAR-2026-0694-0005"},{"title":"001_NWCAA SSI Request for Delegation","document_id":"EPA-R10-OAR-2026-0694-0004"},{"title":"002_5-26-17 Opinion Letter-attachments condensed","document_id":"EPA-R10-OAR-2026-0694-0003"},{"title":"004_MoA_NWCAA_p62_LLL_2018","document_id":"EPA-R10-OAR-2026-0694-0002"}],"agency_name":"EPA","documents":[{"comment_count":0,"comment_start_date":"2026-05-14","updated_at":"2026-05-14T10:02:49.565-04:00","comment_url":"https://www.regulations.gov/commenton/EPA-R10-OAR-2026-0694-0001","allow_late_comments":false,"id":"EPA-R10-OAR-2026-0694-0001","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":4,"id":"EPA-R10-OAR-2026-0694","title":"Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Washington; Northwest Clean Air Agency"}],"document_number":"2026-09615","effective_on":"2026-05-14","end_page":27222,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/05/14/2026-09615.xml","html_url":"https://www.federalregister.gov/documents/2026/05/14/2026-09615/approval-and-promulgation-of-delegation-of-authority-for-designated-facilities-and-pollutants","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-09615?publication_date=2026-05-14","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-05-14/2026-09615/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":199,"last_updated":"2026-06-22 20:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-05-14/pdf/2026-09615.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-09615.pdf?1778676317","publication_date":"2026-05-14","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/05/14/2026-09615.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"003_TSD NWCAA SSI plan","document_id":"EPA-R10-OAR-2026-0694-0005"},{"title":"001_NWCAA SSI Request for Delegation","document_id":"EPA-R10-OAR-2026-0694-0004"},{"title":"002_5-26-17 Opinion Letter-attachments condensed","document_id":"EPA-R10-OAR-2026-0694-0003"},{"title":"004_MoA_NWCAA_p62_LLL_2018","document_id":"EPA-R10-OAR-2026-0694-0002"}],"comments_count":0,"agency_id":"EPA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-R10-OAR-2026-0694","supporting_documents_count":4,"docket_id":"EPA-R10-OAR-2026-0694","document_id":"EPA-R10-OAR-2026-0694-0001","regulation_id_number":null,"title":"Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Washington; Northwest Clean Air Agency","checked_regulationsdotgov_at":"2026-05-15T10:55:05Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":27219,"subtype":null,"title":"Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Washington; Northwest Clean Air Agency","toc_doc":"Washington; Northwest Clean Air Agency","toc_subject":"State Plans for Designated Facilities and Pollutants; Approvals and Promulgations","topics":["Administrative practice and procedure","Air pollution control","Environmental protection","Intergovernmental relations","Reporting and recordkeeping requirements","Waste treatment and disposal"],"type":"Rule","volume":91}