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withdrawn,object_id PHMSA-RSPA-1999-6283-0001,PHMSA,PHMSA-RSPA-1999-6283,U.S. DOT/RSPA - Advance Notice of Proposed Rulemaking,Notice,Notice,1999-12-28T05:00:00Z,1999,12,1999-12-28T05:00:00Z,1999-12-29T04:59:59Z,2008-01-08T20:24:24Z,,0,0,09000064803319de