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withdrawn,object_id PHMSA-2015-0071-0004,PHMSA,PHMSA-2015-0071,U.S. DOT/PHMSA - Supporting Documents (PS-121),Other,Supplement (SUP),2015-02-10T05:00:00Z,2015,2,2015-02-10T05:00:00Z,,2015-02-10T20:21:42Z,,0,0,09000064819fdaa4 PHMSA-2015-0071-0003,PHMSA,PHMSA-2015-0071,U.S. DOT/PHMSA - Comments from Multiple Submitters (PS-121),Other,Letter(s),2015-02-10T05:00:00Z,2015,2,2015-02-10T05:00:00Z,,2015-02-10T20:12:12Z,,0,0,09000064819fda56 PHMSA-2015-0071-0001,PHMSA,PHMSA-2015-0071,U.S. DOT/PHMSA - Comments from Multiple Submitters (PS-121),Other,Letter(s),2015-02-10T05:00:00Z,2015,2,2015-02-10T05:00:00Z,,2015-02-10T20:08:32Z,,0,0,09000064819fda52 PHMSA-2015-0071-0002,PHMSA,PHMSA-2015-0071,U.S. DOT/PHMSA - Comments from Multiple Submitters (PS-121),Other,Letter(s),2015-02-10T05:00:00Z,2015,2,2015-02-10T05:00:00Z,,2015-02-10T20:10:01Z,,0,0,09000064819fda54