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withdrawn,object_id PHMSA-2016-0037-0004,PHMSA,PHMSA-2016-0037,U.S. DOT/PHMSA - P-1673 Acceptance Letter,Other,Acknowledgement Letter/Receipt,2016-11-28T05:00:00Z,2016,11,2016-11-28T05:00:00Z,,2016-11-28T20:47:48Z,,0,0,09000064823c25b2 PHMSA-2016-0037-0003,PHMSA,PHMSA-2016-0037,U.S. DOT/PHMSA - Petition Acceptance Letter,Other,Petition for Rulemaking,2016-11-22T05:00:00Z,2016,11,2016-11-22T05:00:00Z,,2016-11-22T20:05:52Z,,0,0,09000064823a1fd0 PHMSA-2016-0037-0002,PHMSA,PHMSA-2016-0037,U.S. DOT/PHMSA - P-1673 Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2016-04-13T04:00:00Z,2016,4,2016-04-13T04:00:00Z,,2016-04-13T13:37:40Z,,0,0,0900006481f61d1e PHMSA-2016-0037-0001,PHMSA,PHMSA-2016-0037,Association of American Railroads -P-1673 - AAR Petition for Adding DOT Class 130 and 131 Tank Cars,Other,Petition(s),2016-03-30T04:00:00Z,2016,3,2016-03-30T04:00:00Z,,2016-03-30T15:01:55Z,,0,0,0900006481edc44a