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withdrawn,object_id EPA-R03-OAR-2005-MD-0012-0008,EPA,EPA-R03-OAR-2005-MD-0012,Approval and Promulgation of Air Quality Implementation Plans; Maryland; Ambient Air Quality Standard for Ozone and Fine Particulate Matter,Rule,,2006-06-14T04:00:00Z,2006,6,2006-06-14T04:00:00Z,,2008-01-08T21:21:38Z,06-05298,0,0,0900006480187ce6 EPA-R03-OAR-2005-MD-0012-0009,EPA,EPA-R03-OAR-2005-MD-0012,Approval and Promulgation of Air Quality Implementation Plans;,Supporting & Related Material,Signed Federal Register Document,2006-06-14T04:00:00Z,2006,6,,,2006-09-02T17:26:02Z,,0,0,09000064801828a1 EPA-R03-OAR-2005-MD-0012-0006,EPA,EPA-R03-OAR-2005-MD-0012,Notice of Proposed Rulemaking,Proposed Rule,Federal Register Document,2005-10-13T04:00:00Z,2005,10,2005-10-13T04:00:00Z,2005-11-15T04:59:59Z,2008-01-08T21:13:16Z,59688,0,0,09000064800a810e