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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

comment_end_date
A FULL UTC INSTANT, not a calendar date, despite the column name: '2026-08-29T03:59:59Z' is 11:59:59 PM EASTERN on 2026-08-28. Federal comment periods close at 11:59:59 PM Eastern, so the UTC calendar date is ONE DAY LATER than the official deadline on every end-of-day close — 444,689 of the 444,690 populated rows (measured 2026-09-06). Convert to America/New_York before presenting a deadline, and compare with julianday(comment_end_date) > julianday('now'): a plain > datetime('now') is a TEXT comparison between two different formats and keeps already-closed dockets matching for up to ~20 hours. The sibling column on open_comments.documents WAS corrected to an Eastern calendar date (queue #498); this one is unchanged and still an instant — the two databases do not agree on grain. (queue #644)
comment_start_date
A FULL UTC INSTANT, not a calendar date, despite the column name — same grain as comment_end_date on this table. Convert to America/New_York before presenting it. (queue #644)

19 rows where docket_id = "EPA-HQ-OLEM-2026-3994" sorted by posted_date descending

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document_type 2

  • Supporting & Related Material 18
  • Proposed Rule 1

posted_year 1

  • 2026 19

agency_id 1

  • EPA 19
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posted_date ▲ posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-OLEM-2026-3994-0003 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-149496 - September 30, 1997 Record of Decision Supporting & Related Material Decision 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:56Z   0 0 09000064b934b062
EPA-HQ-OLEM-2026-3994-0005 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-508867 - August 31, 2016 Explanation of Significant Differences Supporting & Related Material Decision 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:57Z   0 0 09000064b934b06c
EPA-HQ-OLEM-2026-3994-0006 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-710670 - July 15, 2002, Final Pre-Certification Inspection Report, Tippecanoe Sanitary Landfill, Volumes I to IV (Revised) [REDACTED] Supporting & Related Material Publication - Copyrighted Materials 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:57Z   0 0 09000064b934bf90
EPA-HQ-OLEM-2026-3994-0001 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 Proposed Deletion from the National Priorities List Proposed Rule   2026-08-20T04:00:00Z 2026 8 2026-08-20T04:00:00Z 2026-09-22T03:59:59Z 2026-09-04T09:00:34Z 2026-16994 1 0 09000064b9463d45
EPA-HQ-OLEM-2026-3994-0010 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-978335 - October 7, 2022 Operation and Maintenance Plan Revision 2 Supporting & Related Material Publication - Copyrighted Materials 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:58Z   0 0 09000064b934bc27
EPA-HQ-OLEM-2026-3994-0019 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-710805 - July 10, 2026 Partial Deletion Justification for the Land/Soil Portion of the Tippecanoe Sanitary Landfill Superfund Site from the National Priorities List, Lafayette, Tippecanoe County, Indiana Supporting & Related Material   2026-08-20T04:00:00Z 2026 8     2026-08-20T16:43:01Z   0 0 09000064b937c629
EPA-HQ-OLEM-2026-3994-0004 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-150632 - September 27, 2001 Explanation of Significant Differences for the September 30, 1997 Record of Decision Supporting & Related Material Decision 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:57Z   0 0 09000064b934b06b
EPA-HQ-OLEM-2026-3994-0008 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-221752 - September 30, 1997 Administrative Record Update #1 Supporting & Related Material Index 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:58Z   0 0 09000064b934b729
EPA-HQ-OLEM-2026-3994-0011 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 Site Map of Property Boundary/Parcels Proposed for Deletion for Land/Soil: Parcels 79-07-09-802-006.000-003, 79-07-09-802-002.000-003, and 79-07-09-802-008.000-003 Supporting & Related Material Map 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:59Z   0 0 09000064b934d014
EPA-HQ-OLEM-2026-3994-0013 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 October 7, 2022, Operation and Maintenance Plan, Pages 1 to 508, with Copyright Material and Additional Pages after Page 508 Removed (Original Document No. 05-978355) Supporting & Related Material Publication - Copyrighted Materials 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:59Z   0 0 09000064b9360669
EPA-HQ-OLEM-2026-3994-0007 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-374659 - September 21, 2010 Administrative Record Update #2 Supporting & Related Material Index 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:58Z   0 0 09000064b934b728
EPA-HQ-OLEM-2026-3994-0002 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-704650 - September 29, 2025 Fifth Five-Year Review Report for Tippecanoe Sanitary Landfill, Inc. Superfund Site Supporting & Related Material Report 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:56Z   0 0 09000064b934b05c
EPA-HQ-OLEM-2026-3994-0014 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-710670 - July 15, 2002, Final Pre-Certification Inspection Report, Tippecanoe Sanitary Landfill, Volumes I to IV (Revised) [Redacted, Copyright Material Removed] Supporting & Related Material Report 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:43:00Z   0 0 09000064b9368857
EPA-HQ-OLEM-2026-3994-0012 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-2009695 - May 12, 2026 Indiana State Concurrence Supporting & Related Material Letter 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:59Z   0 0 09000064b935eb52
EPA-HQ-OLEM-2026-3994-0015 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 NPL Partial Deletion Docket Reports Index: Initial - 06/30/2026, Tippecanoe Sanitary Landfill Superfund Site, Land/Soil Portion, Lafayette, Tippecanoe County, Indiana, EPA-HQ-OLEM-2026-3994, EPA SEMS Special Collection ID No. 05-44484 Supporting & Related Material Index 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:43:00Z   0 0 09000064b9368892
EPA-HQ-OLEM-2026-3994-0016 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-710793 - July 7, 2026, Indiana Department of Environmental Management (IDEM) Letter Re: IDEM/EPA Review of the Institutional Control Implementation and Assurance Plan for Tippecanoe Sanitary Landfill Superfund Site, Lafayette, Indiana Supporting & Related Material Letter 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:43:00Z   0 0 09000064b93793dc
EPA-HQ-OLEM-2026-3994-0017 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-710794 - June 29, 2026, Revised Institutional Controls Implementation and Assurance Plan Including Long-Term Stewardship Procedures for Tippecanoe Sanitary Landfill Superfund Site Supporting & Related Material Work Plan 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:43:00Z   0 0 09000064b9379409
EPA-HQ-OLEM-2026-3994-0018 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-710795 - July 7, 2026 EPA Memorandum Re: Review of Hydrological Technical Evaluation of Potential for Leachate Influence vs. In-Situ Redox Drivers and Associated De Minimis Basis for Delisting: Tippecanoe Sanitary Landfill Superfund Site by Amy Gahala, Hydrologist, Hydrological Technical Advisor, U.S. EPA Supporting & Related Material Memorandum 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:43:01Z   0 0 09000064b9379419
EPA-HQ-OLEM-2026-3994-0009 EPA The National Priorities List (NPL) Deletion Docket for the Tippecanoe Sanitary Landfill Superfund Site (Partial Deletion, Land/Soil Portion) EPA-HQ-OLEM-2026-3994 05-221646 - July 24, 1997, Administrative Record Original Supporting & Related Material Index 2026-08-20T04:00:00Z 2026 8     2026-08-20T16:42:58Z   0 0 09000064b934b72a

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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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