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withdrawn,object_id PHMSA-2013-0225-0001,PHMSA,PHMSA-2013-0225,Hazardous Materials; Amendments,Proposed Rule,Notice of Proposed Rulemaking (NPRM),2015-01-23T05:00:00Z,2015,1,2015-01-23T05:00:00Z,2015-03-25T03:59:59Z,2016-02-23T18:00:13Z,2015-00265,0,0,09000064819db742