{"abstract":"Notice is hereby given of a proposed administrative settlement with the City of Tucson to conduct response actions at the Tucson International Area Superfund Site, in Tucson, Arizona. The settlement is entered into pursuant to the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended (\"CERCLA\") and requires the City of Tucson to construct a treatment system for certain per- and polyfluoroalkyl substances (PFAS) entering the Tucson Area Remediation Plant. The settlement includes a covenant not to sue and contribution protection regarding the work. The Agency will consider all comments received and may modify or withdraw its consent to the settlement if comments received disclose facts or considerations which indicate the proposed settlement is inappropriate, improper, or inadequate.","action":"Notice; request for comment.","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/2026/04/16/2026-07402.html","cfr_references":[],"citation":"91 FR 20428","comment_url":"http://www.regulations.gov/commenton/EPA_FRDOC_0001-32749","comments_close_on":"2026-05-18","correction_of":null,"corrections":[],"dates":"Comments must be received on or before May 18, 2026.","disposition_notes":null,"docket_ids":["CERCLA-09-2026-07","FRL-13281-01-R9"],"dockets":[{"supporting_documents":[{"title":"Adequacy Status of the Cleveland/Akron, Ohio and the Columbus, Ohio Submitted 8-Hour Ozone Redesignation and Maintenance Plans for Transportation Conformity Purposes","document_id":"EPA_FRDOC_0001-6733"},{"title":"DELETE","document_id":"EPA_FRDOC_0001-6642"},{"title":"Agency Information Collection Activities; 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Notice of Proposed CERCLA Settlement Agreement for Removal Action","toc_doc":"CERCLA; Tucson International Airport Area Site, Tucson, AZ","toc_subject":"Proposed Settlement Agreement, Stipulation, Order, and Judgment, etc.","topics":[],"type":"Notice","volume":91}