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withdrawn,object_id NRC-2015-0057-0671,NRC,NRC-2015-0057,Petition for Rulemaking; Denial: Linear No-Threshold Model and Standards for Protection Against Radiation,Proposed Rule,,2021-08-17T00:00:00Z,2021,8,2021-08-17T00:00:00Z,,2025-05-21T06:39:51Z,2021-17475,0,0,0900006484c6a502 NRC-2015-0057-0086,NRC,NRC-2015-0057,Linear No-Threshold Model and Standards for Protection Against Radiation; Extension of Comment Period,Proposed Rule,,2015-08-21T00:00:00Z,2015,8,2015-08-21T00:00:00Z,2015-11-20T04:59:59Z,2025-05-21T07:22:32Z,2015-20722,0,0,0900006481c2ff9e NRC-2015-0057-0010,NRC,NRC-2015-0057,Linear No-Threshold Model and Standards for Protection Against Radiation; Notice of Docketing and Request for Comment,Proposed Rule,,2015-06-23T00:00:00Z,2015,6,2015-06-23T00:00:00Z,2015-09-09T03:59:59Z,2025-05-21T07:25:13Z,2015-15441,0,0,0900006481b4f43f