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withdrawn,object_id PHMSA-2015-0253-0004,PHMSA,PHMSA-2015-0253,U.S. DOT/PHMSA - Response to NRDC Support Letter,Other,Letter(s),2016-07-26T04:00:00Z,2016,7,2016-07-26T04:00:00Z,,2016-07-26T13:44:22Z,,0,0,09000064821225f4