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withdrawn,object_id PHMSA-2015-0198-0003,PHMSA,PHMSA-2015-0198,U.S. DOT/PHMSA - Supporting Documents (PS-139),Other,Supplement (SUP),2015-09-30T04:00:00Z,2015,9,2015-09-30T04:00:00Z,,2015-09-30T20:34:41Z,,0,0,0900006481ca670d PHMSA-2015-0198-0002,PHMSA,PHMSA-2015-0198,U.S. DOT/PHMSA - Comments from Multiple Submitters (PS-139),Other,Letter(s),2015-09-30T04:00:00Z,2015,9,2015-09-30T04:00:00Z,,2015-09-30T20:32:46Z,,0,0,0900006481ca60d3