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withdrawn,object_id NRC-1999-0036-0002,NRC,NRC-1999-0036,Emergency Core Cooling System Evaluation Models,Rule,Final Rule,2000-06-01T10:05:09Z,2000,6,,,2025-05-21T09:20:54Z,,0,0,090000648092ff77 NRC-1999-0036-0001,NRC,NRC-1999-0036,Emergency Core Cooling System Evaluation Models,Proposed Rule,,1999-10-01T09:59:11Z,1999,10,1999-10-01T00:00:00Z,1999-12-16T04:59:59Z,2025-05-21T09:20:56Z,,0,0,090000648092ff47