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withdrawn,object_id PHMSA-RSPA-1997-3101-0007,PHMSA,PHMSA-RSPA-1997-3101,U.S. DOT/RSPA - Exemption/Grant - Certain Low Pressure Metal Containers - Compressed Nitrogen,Other,Exemption/Waiver,1998-05-20T04:00:00Z,1998,5,1998-05-20T04:00:00Z,1998-05-21T03:59:59Z,2024-11-07T02:04:24Z,,1,0,09000064802a4879