id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id EPA-R09-OAR-2026-1684-0004,EPA,EPA-R09-OAR-2026-1684,"C. EPA Guidance Documents, Policies, and Rulemakings",Supporting & Related Material,,2026-04-16T04:00:00Z,2026,4,,,2026-04-16T19:16:19Z,,0,0,09000064b92853a0 EPA-R09-OAR-2026-1684-0002,EPA,EPA-R09-OAR-2026-1684,A. State Implementation Plan Submittal Documents,Supporting & Related Material,,2026-04-16T04:00:00Z,2026,4,,,2026-04-16T19:14:22Z,,0,0,09000064b928539e EPA-R09-OAR-2026-1684-0005,EPA,EPA-R09-OAR-2026-1684,Docket Index NPRM EPA-R09-OAR-2026-1684,Supporting & Related Material,,2026-04-16T04:00:00Z,2026,4,,,2026-04-16T19:17:01Z,,0,0,09000064b92853cb EPA-R09-OAR-2026-1684-0001,EPA,EPA-R09-OAR-2026-1684,Air Plan Revisions; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits,Proposed Rule,,2026-04-16T04:00:00Z,2026,4,2026-04-16T04:00:00Z,2026-05-19T03:59:59Z,2026-05-01T09:00:17Z,2026-07405,1,0,09000064b92858c2 EPA-R09-OAR-2026-1684-0003,EPA,EPA-R09-OAR-2026-1684,B. Supporting Materials and Other Documents,Supporting & Related Material,,2026-04-16T04:00:00Z,2026,4,,,2026-04-16T19:15:43Z,,0,0,09000064b928539f