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withdrawn,object_id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-R05-OAR-2024-0216-0047,EPA,EPA-R05-OAR-2024-0216,Final Revision to Minnesota Taconite FIP for U.S. Steel Keetac,Rule,,2026-06-08T04:00:00Z,2026,6,2026-06-08T04:00:00Z,,2026-06-08T16:27:20Z,2026-11432,0,0,09000064b931b790
EPA-R05-OAR-2024-0216-0028,EPA,EPA-R05-OAR-2024-0216,2018-5-24 USS Keetac proposal,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:42Z,,0,0,0900006486aa9c9f
EPA-R05-OAR-2024-0216-0024,EPA,EPA-R05-OAR-2024-0216,2017-8-17 USS Keetac Final Temperature Report submittal,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:39Z,,0,0,0900006486aa9c55
EPA-R05-OAR-2024-0216-0002,EPA,EPA-R05-OAR-2024-0216,2009-10-26 Nalco Mobotec US Steel Minntac Line 7 Final Report EPA-R05-OAR-2010-0037-0037_attachment_42,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:24Z,,0,0,0900006486aa9bfe
EPA-R05-OAR-2024-0216-0004,EPA,EPA-R05-OAR-2024-0216,2011-05-13 USS Minntac Final test results Line 7 burner,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:26Z,,0,0,0900006486aa9c00
EPA-R05-OAR-2024-0216-0009,EPA,EPA-R05-OAR-2024-0216,2014-07-20 Cliffs UTAC FCT phase 3 modeling report,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:30Z,,0,0,0900006486aa9c46
EPA-R05-OAR-2024-0216-0020,EPA,EPA-R05-OAR-2024-0216,2017-2-15 USS response to EPAs concerns re Keetac Low NOx burner costs analysis,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:36Z,,0,0,0900006486aa9c51
EPA-R05-OAR-2024-0216-0041,EPA,EPA-R05-OAR-2024-0216,2022-1-01 - 2023-5-20 Keetac fuel and prod data,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:49Z,,0,0,0900006486aa9cac
EPA-R05-OAR-2024-0216-0042,EPA,EPA-R05-OAR-2024-0216,2024-4-23 Keetac 113g settlement proposed FRN,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:51Z,,0,0,0900006486aa9cad
EPA-R05-OAR-2024-0216-0010,EPA,EPA-R05-OAR-2024-0216,2014-7-18 U.S. Steel's Response to EPA's questions,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:30Z,,0,0,0900006486aa9c47
EPA-R05-OAR-2024-0216-0027,EPA,EPA-R05-OAR-2024-0216,2018-8-03 USS Response to EPA Questions from June 8 2018,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:41Z,,0,0,0900006486aa9c58
EPA-R05-OAR-2024-0216-0005,EPA,EPA-R05-OAR-2024-0216,2012-09-14 Metso Cliffs Tilden modeling report,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:26Z,,0,0,0900006486aa9c01
EPA-R05-OAR-2024-0216-0029,EPA,EPA-R05-OAR-2024-0216,2018-8-08 Keetac Line II LNB technical analysis,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:42Z,,0,0,0900006486aa9ca0
EPA-R05-OAR-2024-0216-0019,EPA,EPA-R05-OAR-2024-0216,2017-2-01 Keetac Hourly Data Feb-Nov 17,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:36Z,,0,0,0900006486aa9c50
EPA-R05-OAR-2024-0216-0022,EPA,EPA-R05-OAR-2024-0216,2017-4-21 letter from DOJ to USS re Keetac,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:38Z,,0,0,0900006486aa9c53
EPA-R05-OAR-2024-0216-0007,EPA,EPA-R05-OAR-2024-0216,2013-11-26 US Steel petition for reconsideration,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:29Z,,0,0,0900006486aa9c03
EPA-R05-OAR-2024-0216-0021,EPA,EPA-R05-OAR-2024-0216,2017-4-13 USS Keetac Grate Diagram and Supporting Information,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:37Z,,0,0,0900006486aa9c52
EPA-R05-OAR-2024-0216-0036,EPA,EPA-R05-OAR-2024-0216,2019-8-26 USS proposed solid fuel limit justification email,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:46Z,,0,0,0900006486aa9ca7
EPA-R05-OAR-2024-0216-0003,EPA,EPA-R05-OAR-2024-0216,2011-5-13 Minntac Line 7 low-NOx main burner final pilot test,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:25Z,,0,0,0900006486aa9bff
EPA-R05-OAR-2024-0216-0018,EPA,EPA-R05-OAR-2024-0216,2017-1-18 EPA Basis for Denial of USS petition for reconsideration,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:35Z,,0,0,0900006486aa9c4f
EPA-R05-OAR-2024-0216-0031,EPA,EPA-R05-OAR-2024-0216,2019-2-08 Metso Keetac Water Injection Analysis study,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:43Z,,0,0,0900006486aa9ca2
EPA-R05-OAR-2024-0216-0040,EPA,EPA-R05-OAR-2024-0216,2020-10-16 USS email re Fives and FCT,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:49Z,,0,0,0900006486aa9cab
EPA-R05-OAR-2024-0216-0011,EPA,EPA-R05-OAR-2024-0216,2014-08-07 Metso UTAC LNB Grate Kiln L2 study,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:31Z,,0,0,0900006486aa9c48
EPA-R05-OAR-2024-0216-0015,EPA,EPA-R05-OAR-2024-0216,2016-6-13 US Steel petition for reconsideration,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:33Z,,0,0,0900006486aa9c4c
EPA-R05-OAR-2024-0216-0017,EPA,EPA-R05-OAR-2024-0216,2017-1-11 Letter from DOJ to USS,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:35Z,,0,0,0900006486aa9c4e
EPA-R05-OAR-2024-0216-0023,EPA,EPA-R05-OAR-2024-0216,2017-6-6 US Steel Response to EPA 114- Submittal,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:39Z,,0,0,0900006486aa9c54
EPA-R05-OAR-2024-0216-0026,EPA,EPA-R05-OAR-2024-0216,2017-12-4 EPA Denial of US Steel's petition for reconsideration FRN,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:41Z,,0,0,0900006486aa9c57
EPA-R05-OAR-2024-0216-0038,EPA,EPA-R05-OAR-2024-0216,2020-8-14 August 7 2020 Call follow-up answers from US Steel,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:48Z,,0,0,0900006486aa9ca9
EPA-R05-OAR-2024-0216-0001,EPA,EPA-R05-OAR-2024-0216,Proposed Revision to Minnesota Taconite FIP for U.S. Steel Keetac,Proposed Rule,,2025-04-24T04:00:00Z,2025,4,2025-04-24T04:00:00Z,2025-06-11T03:59:59Z,2025-06-11T09:00:50Z,2025-07055,0,0,0900006486ab4e3c
EPA-R05-OAR-2024-0216-0013,EPA,EPA-R05-OAR-2024-0216,2016-2-24 Barr Report with Appendices,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:32Z,,0,0,0900006486aa9c4a
EPA-R05-OAR-2024-0216-0006,EPA,EPA-R05-OAR-2024-0216,2012-12-18 Keetac Metso Memo,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:28Z,,0,0,0900006486aa9c02
EPA-R05-OAR-2024-0216-0033,EPA,EPA-R05-OAR-2024-0216,2019-3-12 email from DOJ to USS requiring eval of low-NOx preheat burners at Keetac,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:45Z,,0,0,0900006486aa9ca4
EPA-R05-OAR-2024-0216-0012,EPA,EPA-R05-OAR-2024-0216,2015-01-13 Metso Cliffs Tilden I Phase III COEN LNB modeling report,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:32Z,,0,0,0900006486aa9c49
EPA-R05-OAR-2024-0216-0037,EPA,EPA-R05-OAR-2024-0216,2020-6-26 USS Email re solid fuels,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:47Z,,0,0,0900006486aa9ca8
EPA-R05-OAR-2024-0216-0014,EPA,EPA-R05-OAR-2024-0216,2014-7-18 U.S. Steel's Response to EPA's questions,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:33Z,,0,0,0900006486aa9c4b
EPA-R05-OAR-2024-0216-0025,EPA,EPA-R05-OAR-2024-0216,2017-12-01 to 2022-8-31 Keetac fuel and prod data,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:40Z,,0,0,0900006486aa9c56
EPA-R05-OAR-2024-0216-0008,EPA,EPA-R05-OAR-2024-0216,2013-11-26 Hatch report OoM Capital Cost Estimate,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:29Z,,0,0,0900006486aa9c45
EPA-R05-OAR-2024-0216-0016,EPA,EPA-R05-OAR-2024-0216,2016-11-11 USS letter to DOJ et al re FIP Settlement,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:34Z,,0,0,0900006486aa9c4d
EPA-R05-OAR-2024-0216-0032,EPA,EPA-R05-OAR-2024-0216,2019-2-27 Fives Main Burner Report (Redacted),Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:44Z,,0,0,0900006486aa9ca3
EPA-R05-OAR-2024-0216-0035,EPA,EPA-R05-OAR-2024-0216,2019-6-28 USS email conveying preheat burner study,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:46Z,,0,0,0900006486aa9ca6
EPA-R05-OAR-2024-0216-0039,EPA,EPA-R05-OAR-2024-0216,2020-9-15 USS letter re solid fuels and energy efficiency,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:48Z,,0,0,0900006486aa9caa
EPA-R05-OAR-2024-0216-0043,EPA,EPA-R05-OAR-2024-0216,2024-9-12 US Steel-EPA Settlement Agreement,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:51Z,,0,0,0900006486aa9cae
EPA-R05-OAR-2024-0216-0030,EPA,EPA-R05-OAR-2024-0216,2018-8-10 USS Email response to EPA questions,Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:43Z,,0,0,0900006486aa9ca1
EPA-R05-OAR-2024-0216-0034,EPA,EPA-R05-OAR-2024-0216,2019-6-28 Fives Preheat Burner Report (Redacted),Supporting & Related Material,,2025-04-24T04:00:00Z,2025,4,,,2025-04-24T12:34:45Z,,0,0,0900006486aa9ca5