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withdrawn,object_id EPA-R08-OAR-2022-0857-0012,EPA,EPA-R08-OAR-2022-0857,"Air Quality State Implementation Plans; Approvals and Promulgations: Colorado; Serious Attainment Plan Elements and Related Revisions for the 2008 8-Hour Ozone Standard for the Denver Metro/North Front Range Nonattainment Area; Air Plan Approval, etc.",Rule,,2023-05-09T04:00:00Z,2023,5,2023-05-09T04:00:00Z,,2023-05-09T13:01:24Z,2023-09229,0,0,09000064859e47a6