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withdrawn,object_id MSHA-2012-0027-0001,MSHA,MSHA-2012-0027,Petitions for Modification of Application of Existing Mandatory Safety Standards,Notice,,2012-12-31T05:00:00Z,2012,12,,,2012-12-31T20:13:05Z,2012-31233,0,0,09000064811a065a