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withdrawn,object_id PHMSA-2012-0027-0001,PHMSA,PHMSA-2012-0027,Hazardous Materials: Harmonization with International Standards,Proposed Rule,Notice of Proposed Rulemaking (NPRM),2012-08-15T04:00:00Z,2012,8,2012-08-15T04:00:00Z,2012-10-16T03:59:59Z,2013-02-13T03:04:16Z,2012-18431,0,0,09000064810dada2