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withdrawn,object_id PHMSA-2017-0122-0001,PHMSA,PHMSA-2017-0122,Hazardous Materials: Emergency Waiver No. 4,Notice,Notice of Intent,2017-09-28T04:00:00Z,2017,9,2017-09-28T04:00:00Z,,2024-11-07T01:17:49Z,2017-20766,1,0,0900006482b86ddd