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withdrawn,object_id EPA-HQ-OAR-2004-0128-0003,EPA,EPA-HQ-OAR-2004-0128,"Standards of Performance for New Stationary Sources Monitoring Requirements; Appendix B, Alternative Procedures to Performance Specification 2 for SO2 and NOx Continuous Emission Monitoring Systems; Notice of Public Hearing",Proposed Rule,,2021-12-02T05:00:00Z,2021,12,2021-12-02T05:00:00Z,,2021-12-03T02:00:26Z,85-5351,0,0,0900006484e98890