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withdrawn,object_id PHMSA-2016-0156-0002,PHMSA,PHMSA-2016-0156,U.S. DOT/PHMSA - P-1689 Acknowledgement Letter,Other,Letter(s),2016-12-16T05:00:00Z,2016,12,2016-12-16T05:00:00Z,,2016-12-16T15:53:59Z,,0,0,090000648240d42e PHMSA-2016-0156-0001,PHMSA,PHMSA-2016-0156,Matson Navigation - Petition for Rulemaking - P-1689,Other,Petition for Rulemaking,2016-12-13T05:00:00Z,2016,12,2016-12-13T05:00:00Z,,2016-12-13T19:50:05Z,,0,0,0900006482401eb9