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withdrawn,object_id EPA-R03-OAR-2008-0929-0028,EPA,EPA-R03-OAR-2008-0929,"Approval and Promulgation of Air Quality Implementation Plans: Maryland; Attainment Demonstration for 1997 8-Hour Ozone National Ambient Air Quality Standard, Philadelphia-Wilmington-Atlantic City Moderate Nonattainment Area",Rule,,2012-10-29T04:00:00Z,2012,10,,,2012-10-31T20:07:12Z,2012-26394,0,0,0900006481154245 EPA-R03-OAR-2008-0929-0026,EPA,EPA-R03-OAR-2008-0929,Technical Support Document- 2007 8-hour Ozone SIPS-Cecil County-2009 Attainment-Adequacy Review,Supporting & Related Material,Technical Support Document,2012-08-23T04:00:00Z,2012,8,,,2012-08-23T13:19:53Z,,0,0,0900006481077a12 EPA-R03-OAR-2008-0929-0027,EPA,EPA-R03-OAR-2008-0929,"Technical Support Document- Cecil County, MD 1997 8-hr ozone Modeling",Supporting & Related Material,Technical Support Document,2012-08-23T04:00:00Z,2012,8,,,2012-08-23T13:19:54Z,,0,0,0900006481077a13 EPA-R03-OAR-2008-0929-0025,EPA,EPA-R03-OAR-2008-0929,Approval and Promulgation of Air Quality Implementation Plans: Maryland; Attainment Demonstration for 1997 8-Hour Ozone National Ambient Air Quality Standard,Proposed Rule,,2012-08-23T04:00:00Z,2012,8,2012-08-23T04:00:00Z,2012-09-25T03:59:59Z,2012-08-23T13:19:36Z,2012-20780,0,0,09000064810ebfdb