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withdrawn,object_id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-2021-0668-1213,EPA,EPA-HQ-OAR-2021-0668,Nevada Cement Co v EPA - CA9 23-682 - Order 2023-07-03,Supporting & Related Material,Order,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:33:00Z,,0,0,0900006485f41760
EPA-HQ-OAR-2021-0668-1211,EPA,EPA-HQ-OAR-2021-0668,Allete Inc v EPA - CA8 23-1776 - Order 2023-07-05,Supporting & Related Material,Order,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:32:46Z,,0,0,0900006485f4175e
EPA-HQ-OAR-2021-0668-1212,EPA,EPA-HQ-OAR-2021-0668,Alabama v EPA - CA11 23-11173 - Order 2023-08-17,Supporting & Related Material,Order,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:34:18Z,,0,0,0900006485f4175f
EPA-HQ-OAR-2021-0668-1216,EPA,EPA-HQ-OAR-2021-0668,Goffman Memo Notice of Forthcoming EPA Action to Address Additional Stay Orders,Supporting & Related Material,Memorandum,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:33:31Z,,0,0,0900006485f41763
EPA-HQ-OAR-2021-0668-1214,EPA,EPA-HQ-OAR-2021-0668,Utah v EPA - CA10 23-9509 - Order 2023-07-27,Supporting & Related Material,Order,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:34:48Z,,0,0,0900006485f41761
EPA-HQ-OAR-2021-0668-1218,EPA,EPA-HQ-OAR-2021-0668,Interim final rule amendments to 40 CFR parts 52 and 97 (RLSO) - September 2023,Supporting & Related Material,Publication - Previous/Related FR Notice,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:34:03Z,,0,0,0900006485f41765
EPA-HQ-OAR-2021-0668-1215,EPA,EPA-HQ-OAR-2021-0668,West Virginia v EPA - CA4 23-1418 - Order 2023-08-10,Supporting & Related Material,Order,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:33:14Z,,0,0,0900006485f41762
EPA-HQ-OAR-2021-0668-1210,EPA,EPA-HQ-OAR-2021-0668,"Federal ‘‘Good Neighbor Plan’’ for the 2015 Ozone National Ambient Air Quality Standards; Response to Additional Judicial Stays of SIP
Disapproval Action for Certain States",Rule,Interim Final Rule,2023-09-29T04:00:00Z,2023,9,2023-09-29T04:00:00Z,2023-10-31T03:59:59Z,2023-11-02T01:05:19Z,2023-21040,0,0,090000648600f7f0
EPA-HQ-OAR-2021-0668-1217,EPA,EPA-HQ-OAR-2021-0668,Kentucky v EPA - CA6 23-3216 - Order 2023-07-25,Supporting & Related Material,Order,2023-09-29T04:00:00Z,2023,9,,,2023-09-30T00:33:46Z,,0,0,0900006485f41764
EPA-HQ-OAR-2021-0668-1183,EPA,EPA-HQ-OAR-2021-0668,Interim Final Rule Amendments to 40 CFR Parts 52 and 97 (RLSO),Supporting & Related Material,Interagency Review,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:23:33Z,,0,0,0900006485bcdbc8
EPA-HQ-OAR-2021-0668-1184,EPA,EPA-HQ-OAR-2021-0668,Goffman Memo Notice of Forthcoming EPA Action to Address Judicial Stay Orders,Supporting & Related Material,Memorandum,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:23:08Z,,0,0,0900006485c081ad
EPA-HQ-OAR-2021-0668-1179,EPA,EPA-HQ-OAR-2021-0668,Texas v EPA - CA5 23-60069 - Order 2023-06-08,Supporting & Related Material,Order,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:23:46Z,,0,0,0900006485bcdbc4
EPA-HQ-OAR-2021-0668-1182,EPA,EPA-HQ-OAR-2021-0668,Texas v EPA - CA5 23-60069 - Order 2023-05-01,Supporting & Related Material,Petition,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:24:24Z,,0,0,0900006485bcdbc7
EPA-HQ-OAR-2021-0668-1180,EPA,EPA-HQ-OAR-2021-0668,Missouri v EPA - CA8 23-1719 - Order 2023-05-26,Supporting & Related Material,Order,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:23:59Z,,0,0,0900006485bcdbc5
EPA-HQ-OAR-2021-0668-1181,EPA,EPA-HQ-OAR-2021-0668,Kentucky v EPA - CA6 23-3216 - Order - Filed 2023-05-31,Supporting & Related Material,Order,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:24:12Z,,0,0,0900006485bcdbc6
EPA-HQ-OAR-2021-0668-1178,EPA,EPA-HQ-OAR-2021-0668,Arkansas v EPA - CA8 23-1320 - Order 2023-05-25,Supporting & Related Material,Order,2023-08-01T04:00:00Z,2023,8,,,2023-08-02T01:23:21Z,,0,0,0900006485bcdbc3
EPA-HQ-OAR-2021-0668-1176,EPA,EPA-HQ-OAR-2021-0668,Federal Good Neighbor Plan for the 2015 Ozone National Ambient Air Quality Standards; Response to Judicial Stays of State Implementation Plan Disapproval Action for Certain States,Rule,Interim Final Rule,2023-07-31T04:00:00Z,2023,7,2023-07-31T04:00:00Z,2023-08-31T03:59:59Z,2023-08-31T01:04:08Z,2023-14180,0,0,0900006485d88c74
EPA-HQ-OAR-2021-0668-1177,EPA,EPA-HQ-OAR-2021-0668,"Union Electric Company vs U.S. EPA - CA8 23-1751 - 
Order 2023-05-26",Supporting & Related Material,Order,2023-07-31T04:00:00Z,2023,7,,,2023-08-01T07:32:22Z,,0,0,0900006485bcdbc2
EPA-HQ-OAR-2021-0668-1175,EPA,EPA-HQ-OAR-2021-0668,2015 Ozone Transport Meeting FERC 01.09.23,Supporting & Related Material,Meeting Materials,2023-06-16T04:00:00Z,2023,6,,,2023-06-17T17:47:55Z,,0,0,09000064855ec073
EPA-HQ-OAR-2021-0668-1135,EPA,EPA-HQ-OAR-2021-0668,AECOM Request Ozone Transport FIP Proposed Rule,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:12:34Z,,0,0,09000064857aa16e
EPA-HQ-OAR-2021-0668-1173,EPA,EPA-HQ-OAR-2021-0668,EGU ICR Instrument 4 - Allowance Deduction Form,Supporting & Related Material,Form,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:10:11Z,,0,0,0900006485aa1182
EPA-HQ-OAR-2021-0668-1113,EPA,EPA-HQ-OAR-2021-0668,Ozone Season NOx Rates 2017 to 2022 for Pre 2005 SCR Coal Units,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:13:17Z,,0,0,09000064857a9d6a
EPA-HQ-OAR-2021-0668-1123,EPA,EPA-HQ-OAR-2021-0668,NOAA’S HYSPLIT Modeling System,Supporting & Related Material,Publication - Copyrighted Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:13:56Z,,0,0,09000064857a9e3f
EPA-HQ-OAR-2021-0668-1143,EPA,EPA-HQ-OAR-2021-0668,Arkansas Request 2016v2 Modeling CAMx Data,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:12:21Z,,0,0,09000064857aa190
EPA-HQ-OAR-2021-0668-1066,EPA,EPA-HQ-OAR-2021-0668,Charter Steel WI- RACT BACT,Supporting & Related Material,Publication - USEPA,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:18:22Z,,0,0,090000648579f78f
EPA-HQ-OAR-2021-0668-1023,EPA,EPA-HQ-OAR-2021-0668,Petron  Methane and Nonmethane HC Emissions JGR 2014,Supporting & Related Material,Publication,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:23:58Z,,0,0,090000648578de29
EPA-HQ-OAR-2021-0668-1037,EPA,EPA-HQ-OAR-2021-0668,Exceedance Day Trajectory Analysis 2010-2021,Supporting & Related Material,Meeting Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:30:30Z,,0,0,090000648578de39
EPA-HQ-OAR-2021-0668-1052,EPA,EPA-HQ-OAR-2021-0668,Texas CEQ-Chapter 116-Subchapter H,Supporting & Related Material,"Permit, Registration",2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:07:00Z,,0,0,0900006485790e51
EPA-HQ-OAR-2021-0668-1071,EPA,EPA-HQ-OAR-2021-0668,Ohio-Pro Tec Coating Company-RACT BACT,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:41:47Z,,0,0,090000648579f861
EPA-HQ-OAR-2021-0668-1075,EPA,EPA-HQ-OAR-2021-0668,TX Structural Metals- RACT BACT,Supporting & Related Material,Fact/Data Sheet,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:41:26Z,,0,0,090000648579f866
EPA-HQ-OAR-2021-0668-1100,EPA,EPA-HQ-OAR-2021-0668,Final Amendments to 40 CFR part 97 subpart BBBBB Shown as Redline-Strikeout,Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:38:28Z,,0,0,09000064857a904e
EPA-HQ-OAR-2021-0668-0965,EPA,EPA-HQ-OAR-2021-0668,Analysis of Ozone Season NOx Emissions Data for Coal-Fired EGUs in Four Mid-Atlantic States,Supporting & Related Material,Analysis,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:17:18Z,,0,0,090000648577c418
EPA-HQ-OAR-2021-0668-0951,EPA,EPA-HQ-OAR-2021-0668,Email Exchange with RTP Environmental for Non-EGU Screening Assessment Data,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:14:27Z,,0,0,0900006485771b8d
EPA-HQ-OAR-2021-0668-0967,EPA,EPA-HQ-OAR-2021-0668,Article on Joppa Power Steam Closure,Supporting & Related Material,Publication,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:18:45Z,,0,0,090000648578239d
EPA-HQ-OAR-2021-0668-1031,EPA,EPA-HQ-OAR-2021-0668,Utah NWF 179B EPA TSD OAR-2021-0742-0043pdf,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:29:28Z,,0,0,090000648578de31
EPA-HQ-OAR-2021-0668-1056,EPA,EPA-HQ-OAR-2021-0668,NY Title 6 Sec 227-2.5,Supporting & Related Material,Publication - Other Governmental,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:07:31Z,,0,0,0900006485790e55
EPA-HQ-OAR-2021-0668-0987,EPA,EPA-HQ-OAR-2021-0668,EIA 860 2021 Generator Form,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:08:45Z,,0,0,090000648578400b
EPA-HQ-OAR-2021-0668-1163,EPA,EPA-HQ-OAR-2021-0668,2015 Ozone Transport Informational Webinar record 3.30.22,Supporting & Related Material,Meeting Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:18:08Z,,0,0,09000064857afed7
EPA-HQ-OAR-2021-0668-1000,EPA,EPA-HQ-OAR-2021-0668,2016v3 Emissions Modeling Technical Support Document,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:10:52Z,,0,0,09000064857861a3
EPA-HQ-OAR-2021-0668-1015,EPA,EPA-HQ-OAR-2021-0668,Henderson Global Sources O3 2019,Supporting & Related Material,Publication - USEPA,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:26:23Z,,0,0,090000648578de08
EPA-HQ-OAR-2021-0668-1021,EPA,EPA-HQ-OAR-2021-0668,Alvarez Science.aar7204,Supporting & Related Material,Publication - Copyrighted Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:10:03Z,,0,0,090000648578de0e
EPA-HQ-OAR-2021-0668-1045,EPA,EPA-HQ-OAR-2021-0668,Pennsylvania Title 25 Chapter 129 Code 129.98,Supporting & Related Material,Guidance,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:00:28Z,,0,0,090000648578fb44
EPA-HQ-OAR-2021-0668-1105,EPA,EPA-HQ-OAR-2021-0668,Final Amendments to 40 CFR part 97 subpart GGGGG Shown as Redline-Strikeout,Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:20:47Z,,0,0,09000064857a90bc
EPA-HQ-OAR-2021-0668-1109,EPA,EPA-HQ-OAR-2021-0668,Emission Source-based Ozone Isopleth and Isosurface Diagrams,Supporting & Related Material,Publication - Copyrighted Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:05:22Z,,0,0,09000064857a9522
EPA-HQ-OAR-2021-0668-0992,EPA,EPA-HQ-OAR-2021-0668,Retrofit Cost Tool Fleetwide Final GNP Sensitivity Coal Type,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:11:22Z,,0,0,0900006485784031
EPA-HQ-OAR-2021-0668-0990,EPA,EPA-HQ-OAR-2021-0668,EIA 923 2021 Schedules 2 3 4 5,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:24:12Z,,0,0,0900006485784556
EPA-HQ-OAR-2021-0668-1038,EPA,EPA-HQ-OAR-2021-0668,"Project Summary for a Construction Permit from Cronus Chemicals, LLC, for a Fertilizer Manufacturing Facility near Tuscola, Illinois",Supporting & Related Material,Application,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:02:08Z,,0,0,090000648578f639
EPA-HQ-OAR-2021-0668-1086,EPA,EPA-HQ-OAR-2021-0668,Air Quality Modeling TSD for the CSAPR Update,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:21:30Z,,0,0,09000064857a87a5
EPA-HQ-OAR-2021-0668-1101,EPA,EPA-HQ-OAR-2021-0668,Final Amendments to 40 CFR part 97 subpart CCCCC Shown as Redline-Strikeout,Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:23:28Z,,0,0,09000064857a905e
EPA-HQ-OAR-2021-0668-1106,EPA,EPA-HQ-OAR-2021-0668,Historical NOx Seasonal Emission Rates for Units with SCR Final,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:09:31Z,,0,0,09000064857a9520
EPA-HQ-OAR-2021-0668-1110,EPA,EPA-HQ-OAR-2021-0668,Final Non EGU Sectors TSD,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:35:30Z,,0,0,09000064857a9663
EPA-HQ-OAR-2021-0668-1131,EPA,EPA-HQ-OAR-2021-0668,Contributions from NOx Emissions 2023gf,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:42:53Z,,0,0,09000064857aa16a
EPA-HQ-OAR-2021-0668-1134,EPA,EPA-HQ-OAR-2021-0668,Alpine2 - Request WRF files via newftp.epa.gov,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:43:56Z,,0,0,09000064857aa16d
EPA-HQ-OAR-2021-0668-1137,EPA,EPA-HQ-OAR-2021-0668,BakerBotts Request Interstate Transport Air Quality Model Data,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:44:24Z,,0,0,09000064857aa18a
EPA-HQ-OAR-2021-0668-0997,EPA,EPA-HQ-OAR-2021-0668,Retrofit Cost Tool Fleetwide Final GNP Sensitivity Urea Cost,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:24:59Z,,0,0,09000064857846e5
EPA-HQ-OAR-2021-0668-1142,EPA,EPA-HQ-OAR-2021-0668,Alpine4 Request non-EGU Information and Files,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:45:38Z,,0,0,09000064857aa18f
EPA-HQ-OAR-2021-0668-1151,EPA,EPA-HQ-OAR-2021-0668,EO 12866 Changes to Preamble and RIA,Supporting & Related Material,Publication - Previous/Related FR Notice,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:34:30Z,,0,0,09000064857ae1ce
EPA-HQ-OAR-2021-0668-1078,EPA,EPA-HQ-OAR-2021-0668,Web Ready Files Sensitivity Air Quality Modeling Base Case with IRA,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:25:38Z,,0,0,09000064857a6240
EPA-HQ-OAR-2021-0668-1004,EPA,EPA-HQ-OAR-2021-0668,2016v3 Projection Factors for 2023,Supporting & Related Material,,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:56:54Z,,0,0,0900006485786808
EPA-HQ-OAR-2021-0668-1017,EPA,EPA-HQ-OAR-2021-0668,Jin Changes in Summer O3-NOx-VOC 2020,Supporting & Related Material,Publication - Copyrighted Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:27:19Z,,0,0,090000648578de0a
EPA-HQ-OAR-2021-0668-1076,EPA,EPA-HQ-OAR-2021-0668,"Municipal Waste Combustor Supplement to February 28, 2022 Screening Assessment of Potential Emissions Reductions, Air Quality Impacts, and Costs from Non-EGU Emissions Units for 2026",Supporting & Related Material,Memorandum,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:50:22Z,,0,0,090000648579fb72
EPA-HQ-OAR-2021-0668-1062,EPA,EPA-HQ-OAR-2021-0668,EPA Control Measure Database summary,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:13:42Z,,0,0,090000648579c3f1
EPA-HQ-OAR-2021-0668-1072,EPA,EPA-HQ-OAR-2021-0668,Osceola Steel-RACT BACT,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:17:24Z,,0,0,090000648579f8e7
EPA-HQ-OAR-2021-0668-1168,EPA,EPA-HQ-OAR-2021-0668,ICR for the Federal “Good Neighbor Plan” for the 2015 Ozone National Ambient Air Quality Standard: Transport Obligations for Electric Generating Units - Supporting Statement for Information Collection Request,Supporting & Related Material,ICR Supporting Statement,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:10:26Z,,0,0,0900006485aa117c
EPA-HQ-OAR-2021-0668-0946,EPA,EPA-HQ-OAR-2021-0668,Federal ‘‘Good Neighbor Plan’’ for the 2015 Ozone National Ambient Air Quality Standards.,Rule,Final Rule,2023-06-05T04:00:00Z,2023,6,2023-06-05T04:00:00Z,,2023-06-06T03:10:54Z,2023-05744,0,0,0900006485abb620
EPA-HQ-OAR-2021-0668-1034,EPA,EPA-HQ-OAR-2021-0668,DM-NFR AQTSD 2023OzoneSIP v2,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:17:52Z,,0,0,090000648578de36
EPA-HQ-OAR-2021-0668-1111,EPA,EPA-HQ-OAR-2021-0668,NEEDS v6 February 2023,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:16:55Z,,0,0,09000064857a943b
EPA-HQ-OAR-2021-0668-1060,EPA,EPA-HQ-OAR-2021-0668,EPA-Assessment of Non-EGU NOx Emissions Controls-TSD,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:05:38Z,,0,0,0900006485790e59
EPA-HQ-OAR-2021-0668-1099,EPA,EPA-HQ-OAR-2021-0668,Final Amendments to 40 CFR part 97 subpart AAAAA Shown as Redline-Strikeout,Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:23:11Z,,0,0,09000064857a905a
EPA-HQ-OAR-2021-0668-0971,EPA,EPA-HQ-OAR-2021-0668,IPM Model – Updates to Cost and Performance for APC Technologies: SCR Cost Development Methodology for Coal-fired Boilers (February 2023),Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:47:12Z,,0,0,090000648578266d
EPA-HQ-OAR-2021-0668-1079,EPA,EPA-HQ-OAR-2021-0668,Technical Support Document: Allowance Allocation under the Final Rule,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:45:54Z,,0,0,09000064857a6f7c
EPA-HQ-OAR-2021-0668-1090,EPA,EPA-HQ-OAR-2021-0668,DOE-EPA Joint Memorandum on Interagency Communication and Consultation on Electric Reliability,Supporting & Related Material,Memorandum,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:56:21Z,,0,0,09000064857a8897
EPA-HQ-OAR-2021-0668-1092,EPA,EPA-HQ-OAR-2021-0668,EGU NOx Mitigation Strategies Final Rule TSD,Supporting & Related Material,Technical Support Document,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:08:16Z,,0,0,09000064857a88f9
EPA-HQ-OAR-2021-0668-0980,EPA,EPA-HQ-OAR-2021-0668,Daily Backstop Rate for Existing SCRs  - Accommodating Startup Shutdown,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:58:19Z,,0,0,09000064857827e1
EPA-HQ-OAR-2021-0668-1006,EPA,EPA-HQ-OAR-2021-0668,2016v3 Projection Results,Supporting & Related Material,,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:49:53Z,,0,0,090000648578b3e1
EPA-HQ-OAR-2021-0668-1063,EPA,EPA-HQ-OAR-2021-0668,Alabama-Mount Vernon Mill-Ract Bact,Supporting & Related Material,Fact/Data Sheet,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:50:57Z,,0,0,090000648579ede5
EPA-HQ-OAR-2021-0668-1085,EPA,EPA-HQ-OAR-2021-0668,Evaluation of the Community Multiscale Air Quality (CMAQ),Supporting & Related Material,Publication - Copyrighted Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:40:15Z,,0,0,09000064857a8337
EPA-HQ-OAR-2021-0668-1089,EPA,EPA-HQ-OAR-2021-0668,Daily Backstop Rate for Existing SCRs  - Accommodating Startup Shutdown,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:56:05Z,,0,0,09000064857a8895
EPA-HQ-OAR-2021-0668-0970,EPA,EPA-HQ-OAR-2021-0668,Vistra Plans to Retire,Supporting & Related Material,Publication,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:10:36Z,,0,0,09000064857823a3
EPA-HQ-OAR-2021-0668-0993,EPA,EPA-HQ-OAR-2021-0668,Retrofit Cost Tool Fleetwide Final GNP Sensitivity CRF Debt Life and Interest Rate,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:24:26Z,,0,0,0900006485784621
EPA-HQ-OAR-2021-0668-1039,EPA,EPA-HQ-OAR-2021-0668,ERG Cement Final Report Revised 2006,Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:06:10Z,,0,0,090000648578f8eb
EPA-HQ-OAR-2021-0668-1053,EPA,EPA-HQ-OAR-2021-0668,NJ DEP-Title 7-Sub19,Supporting & Related Material,Policy,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:02:57Z,,0,0,0900006485790e52
EPA-HQ-OAR-2021-0668-1058,EPA,EPA-HQ-OAR-2021-0668,Oklahoma-Title 252-Chapter 100,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:05:04Z,,0,0,0900006485790e57
EPA-HQ-OAR-2021-0668-1165,EPA,EPA-HQ-OAR-2021-0668,OS Heat Input Variability 2000 to 2021 updated,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:22:39Z,,0,0,09000064857b01c7
EPA-HQ-OAR-2021-0668-0985,EPA,EPA-HQ-OAR-2021-0668,Pre-set Budget Check (Mississippi Adjustment for Daniel Unit),Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:10:22Z,,0,0,0900006485783ea3
EPA-HQ-OAR-2021-0668-1098,EPA,EPA-HQ-OAR-2021-0668,Final Amendments to 40 CFR part 78 Shown as Redline-Strikeout,Supporting & Related Material,Report,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:22:54Z,,0,0,09000064857a9058
EPA-HQ-OAR-2021-0668-1107,EPA,EPA-HQ-OAR-2021-0668,Ozone-Precursor Relationships from EKMA Diagrams,Supporting & Related Material,Publication - Copyrighted Materials,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:09:46Z,,0,0,09000064857a9521
EPA-HQ-OAR-2021-0668-1132,EPA,EPA-HQ-OAR-2021-0668,Alpine1 Request State Specific Concentration Files for 2026v2,Supporting & Related Material,E-mail,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:43:27Z,,0,0,09000064857aa16b
EPA-HQ-OAR-2021-0668-1167,EPA,EPA-HQ-OAR-2021-0668,NonEGU Permit List,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:33:28Z,,0,0,09000064857b03c0
EPA-HQ-OAR-2021-0668-1150,EPA,EPA-HQ-OAR-2021-0668,EO 12866 Review Initiated,Supporting & Related Material,Publication - Previous/Related FR Notice,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:34:16Z,,0,0,09000064857ae1cd
EPA-HQ-OAR-2021-0668-1126,EPA,EPA-HQ-OAR-2021-0668,Updates in Power Sector Modeling Baseline Projections for 2015 Ozone NAAQS Actions,Supporting & Related Material,Fact/Data Sheet,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:16:40Z,,0,0,09000064857a9cf0
EPA-HQ-OAR-2021-0668-0968,EPA,EPA-HQ-OAR-2021-0668,Article on Sammis SCR Installation,Supporting & Related Material,Publication,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:19:00Z,,0,0,090000648578239e
EPA-HQ-OAR-2021-0668-0976,EPA,EPA-HQ-OAR-2021-0668,Unit Specific Comment Log,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:47:27Z,,0,0,0900006485782675
EPA-HQ-OAR-2021-0668-1002,EPA,EPA-HQ-OAR-2021-0668,"2017 National Emissions Inventory: January 2021 Updated Release, Technical Support Document",Supporting & Related Material,Publication - USEPA,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:37:05Z,,0,0,0900006485786537
EPA-HQ-OAR-2021-0668-0961,EPA,EPA-HQ-OAR-2021-0668,Web Ready Files Sensitivity Final Rule with IRA,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T04:16:48Z,,0,0,090000648577c389
EPA-HQ-OAR-2021-0668-1158,EPA,EPA-HQ-OAR-2021-0668,"Comment Letter from Attorneys General of NY, NJ, CT, DE, and MA",Supporting & Related Material,Letter,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:12:06Z,,0,0,09000064857ae9dd
EPA-HQ-OAR-2021-0668-1117,EPA,EPA-HQ-OAR-2021-0668,Population in NAAs With Projected 2023 Nonattainment and Maintenance Problems,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:15:09Z,,0,0,09000064857a9b89
EPA-HQ-OAR-2021-0668-1119,EPA,EPA-HQ-OAR-2021-0668,SCRs Online 2007 or Later and Their Lowest Ozone Season Result,Supporting & Related Material,Data,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:17:10Z,,0,0,09000064857a9e3a
EPA-HQ-OAR-2021-0668-1070,EPA,EPA-HQ-OAR-2021-0668,NUCOR Yamato-RACT BACT,Supporting & Related Material,Publication - USEPA,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:18:56Z,,0,0,090000648579f792
EPA-HQ-OAR-2021-0668-1108,EPA,EPA-HQ-OAR-2021-0668,Changes in Ozone Chemical Sensitivity in the United States,Supporting & Related Material,Publication,2023-06-05T04:00:00Z,2023,6,,,2023-06-06T03:15:37Z,,0,0,09000064857a9662