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withdrawn,object_id EPA-R03-OAR-2008-0931-0025,EPA,EPA-R03-OAR-2008-0931,"Letter from EPA to Maryland acknowledging Maryland's withdrawal of portions of the submittal pertaining to the attainment demonstration, including modeling and weight of evidence, the 2009 attainment year inventory, contingency measures for attainment, and 2009 transportation conformity motor vehicle emission budgets.",Supporting & Related Material,Letter,2015-12-04T05:00:00Z,2015,12,,,2015-12-04T14:33:58Z,,0,0,0900006481d737df EPA-R03-OAR-2008-0931-0023,EPA,EPA-R03-OAR-2008-0931,Air Quality State Implementation Plans; Approval and Promulgation: Maryland; Attainment Demonstration for the Baltimore 8-Hour Ozone Moderate Nonattainment Area; Withdrawal,Proposed Rule,,2015-12-04T05:00:00Z,2015,12,2015-12-04T05:00:00Z,,2015-12-04T14:08:56Z,2015-30100,0,0,0900006481d85952 EPA-R03-OAR-2008-0931-0024,EPA,EPA-R03-OAR-2008-0931,"Letter from the State of Maryland withdrawing portions of the State Implementation Plan (SIP) revision (SIP# 07-04), Baltimore Nonattainment Area 8-Hour Ozone State Implementation Plan and Base Year Inventory.",Supporting & Related Material,,2015-12-04T05:00:00Z,2015,12,,,2015-12-04T14:33:45Z,,0,0,0900006481d57e86