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withdrawn,object_id EPA-R03-OAR-2008-0736-0008,EPA,EPA-R03-OAR-2008-0736,Approval and Promulgation of Air Quality Implementation Plans; The Metropolitan Washington Nonattainment Area; Determination of Attainment of the Fine Particle Standard,Supporting & Related Material,Signed Federal Register Document,2009-01-14T05:00:00Z,2009,1,,,2009-01-14T13:56:10Z,,0,0,09000064807f8c6e EPA-R03-OAR-2008-0736-0007,EPA,EPA-R03-OAR-2008-0736,Approval and Promulgation of Air Quality Implementation Plans: Metropolitan Washington Nonattainment Area; Determination of Attainment of the Fine Particle Standard,Rule,,2009-01-12T05:00:00Z,2009,1,,,2009-01-14T13:54:07Z,E8-31305,0,0,090000648081b6e4