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Regulatory documents from Regulations.gov including rules, proposed rules, notices, and supporting materials.

Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API

45 rows where docket_id = "EPA-R08-OAR-2024-0607" sorted by posted_date descending

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document_type 3

  • Supporting & Related Material 43
  • Proposed Rule 1
  • Rule 1

posted_year 2

  • 2025 36
  • 2026 9

agency_id 1

  • EPA 45
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posted_date ▲ posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-R08-OAR-2024-0607-0075 EPA None EPA-R08-OAR-2024-0607 Memo to Docket_Communication between EPA and Xcel Energy_November 5 2025 Supporting & Related Material Memorandum 2026-01-26T05:00:00Z 2026 1     2026-01-26T19:08:20Z   0 0 09000064b911ea04
EPA-R08-OAR-2024-0607-0072 EPA None EPA-R08-OAR-2024-0607 Colorado Withdrawal Letter to EPA re Comanche Unit 2 closure date_November 20 2025 Supporting & Related Material Letter 2026-01-26T05:00:00Z 2026 1     2026-01-26T19:08:10Z   0 0 09000064b908dd63
EPA-R08-OAR-2024-0607-0074 EPA None EPA-R08-OAR-2024-0607 EPA Control Cost Manual_Section 1_Chapter 2 Cost Estimation Concepts and Methodology_November 2017. Supporting & Related Material   2026-01-26T05:00:00Z 2026 1     2026-01-26T19:08:17Z   0 0 09000064b911c7aa
EPA-R08-OAR-2024-0607-0073 EPA None EPA-R08-OAR-2024-0607 Lawrence Berkeley National Laboratory_2024 United States Data Center Energy Usage Report_December 2024 Supporting & Related Material Report 2026-01-26T05:00:00Z 2026 1     2026-01-26T19:08:14Z   0 0 09000064b911bdfb
EPA-R08-OAR-2024-0607-0069 EPA None EPA-R08-OAR-2024-0607 Responses to Comments Supporting & Related Material Comment Response 2026-01-26T05:00:00Z 2026 1     2026-01-26T19:07:42Z   0 0 09000064b91227ab
EPA-R08-OAR-2024-0607-0070 EPA None EPA-R08-OAR-2024-0607 2019 Guidance_EPA_August 20 2019 Supporting & Related Material Guidance 2026-01-26T05:00:00Z 2026 1     2026-01-26T19:08:02Z   0 0 09000064b907f80d
EPA-R08-OAR-2024-0607-0071 EPA None EPA-R08-OAR-2024-0607 Guidance for Setting Reasonable Progress Goals_June 1 2007 Supporting & Related Material Guidance 2026-01-26T05:00:00Z 2026 1     2026-01-26T19:08:07Z   0 0 09000064b9081dc3
EPA-R08-OAR-2024-0607-0068 EPA None EPA-R08-OAR-2024-0607 Air Quality State Implementation Plans; Approvals and Promulgations: Colorado; Regional Haze Plan for the Second Implementation Period Rule   2026-01-26T05:00:00Z 2026 1 2026-01-26T05:00:00Z   2026-01-26T19:06:51Z 2026-01413 0 0 09000064b9180b59
EPA-R08-OAR-2024-0607-0067 EPA None EPA-R08-OAR-2024-0607 PRE-PUBLICATION_12598-02-R8_Colorado_FINAL RULE_Regional Haze Round 2 Supporting & Related Material   2026-01-09T05:00:00Z 2026 1     2026-01-10T00:37:36Z   0 0 09000064b912a5d2
EPA-R08-OAR-2024-0607-0001 EPA None EPA-R08-OAR-2024-0607 Air Quality State Implementation Plans; Approvals and Promulgations: Colorado; Regional Haze Plan for the Second Implementation Period Proposed Rule   2025-07-17T04:00:00Z 2025 7 2025-07-17T04:00:00Z 2025-09-16T03:59:59Z 2026-02-07T13:05:46Z 2025-13342 1 0 09000064b8e7b16f
EPA-R08-OAR-2024-0607-0028 EPA None EPA-R08-OAR-2024-0607 Overview of Colorado Springs Utilities meeting with CDPHE_April 23 2025 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:23Z   0 0 09000064b8d857e1
EPA-R08-OAR-2024-0607-0019 EPA None EPA-R08-OAR-2024-0607 EPA Guidance for Tracking Progress Under the Regional Haze Rule_September 2003 Supporting & Related Material Guidance 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:20Z   0 0 09000064869f0f29
EPA-R08-OAR-2024-0607-0002 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Submittal Letter to EPA Regional Haze SIP-Reg 3-Reg 23 Supporting & Related Material Letter 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:16Z   0 0 09000064869499c6
EPA-R08-OAR-2024-0607-0018 EPA None EPA-R08-OAR-2024-0607 AP-42 Supporting & Related Material Data 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:20Z   0 0 09000064869f0f27
EPA-R08-OAR-2024-0607-0008 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 3-Reg 23_06 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:18Z   0 0 090000648694de16
EPA-R08-OAR-2024-0607-0021 EPA None EPA-R08-OAR-2024-0607 EPA Memo_Data for regional haze technical addendum_June 3 2020 Supporting & Related Material Memorandum 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:21Z   0 0 09000064869f0f75
EPA-R08-OAR-2024-0607-0031 EPA None EPA-R08-OAR-2024-0607 Email to EPA from Colorado Springs Utilities_April 14 2025 Supporting & Related Material E-mail 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:23Z   0 0 09000064b8dc7f80
EPA-R08-OAR-2024-0607-0029 EPA None EPA-R08-OAR-2024-0607 WRAP_Adjusted Glidepath for Great Sand Dunes Supporting & Related Material Data 2025-07-16T04:00:00Z 2025 7     2025-09-23T22:51:11Z   0 0 09000064b8d857eb
EPA-R08-OAR-2024-0607-0005 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 3-Reg 23_03 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:17Z   0 0 090000648694d7a3
EPA-R08-OAR-2024-0607-0007 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 3-Reg 23_05 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:17Z   0 0 090000648694de14
EPA-R08-OAR-2024-0607-0020 EPA None EPA-R08-OAR-2024-0607 EPA Interim Air Quality Policy on Wildland Prescribed Fire_May 1998 Supporting & Related Material Policy 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:21Z   0 0 09000064869f0f74
EPA-R08-OAR-2024-0607-0023 EPA None EPA-R08-OAR-2024-0607 NPS EPA Regional Haze Stakeholder Meeting Record 9-11-2023 Supporting & Related Material Meeting Materials 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:21Z   0 0 09000064869f0f78
EPA-R08-OAR-2024-0607-0032 EPA None EPA-R08-OAR-2024-0607 Email to EPA from Colorado Springs Utilities_April 28 2025 Supporting & Related Material E-mail 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:24Z   0 0 09000064b8dc7f84
EPA-R08-OAR-2024-0607-0035 EPA None EPA-R08-OAR-2024-0607 North American Electric Reliability Corporation_2024 Long-Term Reliability Assessment_December 2024 Supporting & Related Material Report 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:24Z   0 0 09000064b8e5d87e
EPA-R08-OAR-2024-0607-0034 EPA None EPA-R08-OAR-2024-0607 Memo to Docket_Meeting between EPA and Colorado Springs Utilities_April 14_ 2025 Supporting & Related Material Memorandum 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:24Z   0 0 09000064b8e16b19
EPA-R08-OAR-2024-0607-0022 EPA None EPA-R08-OAR-2024-0607 final WRAP Reasonable Progress Source Identification and Analysis Protocol-Feb27-2019 Supporting & Related Material Analysis 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:21Z   0 0 09000064869f0f77
EPA-R08-OAR-2024-0607-0024 EPA None EPA-R08-OAR-2024-0607 Response to Comments on Protection of Visibility_May 4 2016 Supporting & Related Material Comment Response 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:22Z   0 0 09000064869f0fb6
EPA-R08-OAR-2024-0607-0027 EPA None EPA-R08-OAR-2024-0607 Colorado Springs Utilities meeting with EPA_April 2 2025 Supporting & Related Material Meeting Materials 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:22Z   0 0 09000064b8d857dd
EPA-R08-OAR-2024-0607-0030 EPA None EPA-R08-OAR-2024-0607 CDPHE letter to Colorado Springs Utilities_April 11 2025 Supporting & Related Material Letter 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:23Z   0 0 09000064b8dc7f13
EPA-R08-OAR-2024-0607-0006 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 3-Reg 23_04 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:17Z   0 0 090000648694db9c
EPA-R08-OAR-2024-0607-0015 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_07 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:19Z   0 0 090000648694e2fa
EPA-R08-OAR-2024-0607-0016 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission June 2023 supplement Regional Haze SIP 5-Year Progress Report_01 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:20Z   0 0 0900006486951567
EPA-R08-OAR-2024-0607-0012 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_04 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:19Z   0 0 090000648694e28e
EPA-R08-OAR-2024-0607-0033 EPA None EPA-R08-OAR-2024-0607 Email communication between EPA and Colorado Springs Utilities_April 2 2025 Supporting & Related Material E-mail 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:24Z   0 0 09000064b8e16995
EPA-R08-OAR-2024-0607-0036 EPA None EPA-R08-OAR-2024-0607 Memo to Docket_Meeting between EPA and Colorado Springs Utilities_April 11 2025 Supporting & Related Material Memorandum 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:24Z   0 0 09000064b8e73368
EPA-R08-OAR-2024-0607-0004 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 3-Reg 23_02 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:17Z   0 0 0900006486949cbc
EPA-R08-OAR-2024-0607-0009 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_01 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:18Z   0 0 090000648694ce18
EPA-R08-OAR-2024-0607-0013 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_05 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:19Z   0 0 090000648694e291
EPA-R08-OAR-2024-0607-0003 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 3-Reg 23_01 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:17Z   0 0 0900006486949c06
EPA-R08-OAR-2024-0607-0010 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_02 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:18Z   0 0 090000648694ce19
EPA-R08-OAR-2024-0607-0011 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_03 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:18Z   0 0 090000648694ce1a
EPA-R08-OAR-2024-0607-0014 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission Regional Haze SIP-Reg 23_06 Supporting & Related Material   2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:19Z   0 0 090000648694e2f9
EPA-R08-OAR-2024-0607-0026 EPA None EPA-R08-OAR-2024-0607 Colorado Springs Utilities comments to CDPHE_March 11 2025 Supporting & Related Material Comment Response 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:22Z   0 0 09000064b8d857dc
EPA-R08-OAR-2024-0607-0025 EPA None EPA-R08-OAR-2024-0607 Technical Guidance on Tracking Visibility Progress_December 20 2018 Supporting & Related Material Guidance 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:22Z   0 0 09000064869f0fb8
EPA-R08-OAR-2024-0607-0017 EPA None EPA-R08-OAR-2024-0607 Colorado 2022 SIP submission August 2022 supplement Reg Lang adopted_R3 (CORRECTED VERSION) Supporting & Related Material State/Tribal Submittal 2025-07-16T04:00:00Z 2025 7     2025-07-16T17:18:20Z   0 0 090000648695159a

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CREATE TABLE documents (
    id TEXT PRIMARY KEY,
    agency_id TEXT,
    docket_id TEXT REFERENCES dockets(id),
    title TEXT,
    document_type TEXT,
    subtype TEXT,
    posted_date TEXT,
    posted_year INTEGER,
    posted_month INTEGER,
    comment_start_date TEXT,
    comment_end_date TEXT,
    last_modified TEXT,
    fr_doc_num TEXT,
    open_for_comment INTEGER,
    withdrawn INTEGER,
    object_id TEXT
);
CREATE INDEX idx_docs_agency ON documents(agency_id);
CREATE INDEX idx_docs_docket ON documents(docket_id);
CREATE INDEX idx_docs_date ON documents(posted_date);
CREATE INDEX idx_docs_year ON documents(posted_year);
CREATE INDEX idx_docs_type ON documents(document_type);
CREATE INDEX idx_docs_frnum ON documents(fr_doc_num);
CREATE INDEX idx_docs_comment_end ON documents(comment_end_date) WHERE comment_end_date IS NOT NULL AND withdrawn = 0;
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