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withdrawn,object_id NRC-2021-0133-0013,NRC,NRC-2021-0133,"Regulatory Guide 1.249, Revision 0 ""Use of ARCON Methodology for Calculation of Accident-Related Offsite Atmospheric Dispersion Factors""",Supporting & Related Material,,2023-09-06T00:00:00Z,2023,9,,,2025-05-21T06:32:39Z,,0,0,0900006485f4ae03 NRC-2021-0133-0012,NRC,NRC-2021-0133,Regulatory Guide: Use of ARCON Methodology for Calculation of Accident-Related Offsite Atmospheric Dispersion Factors,Rule,,2023-08-21T00:00:00Z,2023,8,,,2025-05-21T06:33:06Z,2023-17908,0,0,0900006485ec9edf