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withdrawn,object_id EPA-R03-OAR-2016-0309-0015,EPA,EPA-R03-OAR-2016-0309,"Air Quality State Implementation Plans; Approval and Promulgation: Maryland; Reasonably Available Control Technology for Cement Kilns, Revisions to Portland Cement Manufacturing Plant and Natural Gas Compression Station Regulations, and Removal of Nitrogen Oxides Reduction and Trading Program Replaced by Other Programs and Regulations",Rule,,2018-03-28T04:00:00Z,2018,3,2018-03-28T04:00:00Z,,2018-03-28T12:45:55Z,2018-06129,0,0,0900006483059344