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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

54 rows where docket_id = "EPA-HQ-OPPT-2025-1610" sorted by posted_date descending

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document_type 3

  • Supporting & Related Material 50
  • Notice 2
  • Other 2

posted_year 1

  • 2025 54

agency_id 1

  • EPA 54
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posted_date ▲ posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-OPPT-2025-1610-0076 EPA None EPA-HQ-OPPT-2025-1610 D4 SACC Meeting Transcript - December 2-4, 2025- 508 Compliant Supporting & Related Material Transcript 2025-12-30T05:00:00Z 2025 12     2025-12-31T04:13:00Z   0 0 09000064b910cf1d
EPA-HQ-OPPT-2025-1610-0065 EPA None EPA-HQ-OPPT-2025-1610 Jon Arnot respond to SACC member question during SACC meeting Supporting & Related Material Letter 2025-12-09T05:00:00Z 2025 12     2025-12-09T22:19:33Z   0 0 09000064b90aeb83
EPA-HQ-OPPT-2025-1610-0062 EPA None EPA-HQ-OPPT-2025-1610 EPA Responses to Clarifying Questions from D4 SACC meeting December 2, 2025 Supporting & Related Material Meeting Materials 2025-12-03T05:00:00Z 2025 12     2025-12-04T00:27:30Z   0 0 09000064b90abbb7
EPA-HQ-OPPT-2025-1610-0064 EPA None EPA-HQ-OPPT-2025-1610 Reference -2 submitted from Frank Gobas Supporting & Related Material Publication 2025-12-03T05:00:00Z 2025 12     2025-12-04T00:27:30Z   0 0 09000064b90ac00c
EPA-HQ-OPPT-2025-1610-0063 EPA None EPA-HQ-OPPT-2025-1610 Reference -1 submitted by Frank Gobas Supporting & Related Material Publication 2025-12-03T05:00:00Z 2025 12     2025-12-04T00:27:30Z   0 0 09000064b90ac00b
EPA-HQ-OPPT-2025-1610-0058 EPA None EPA-HQ-OPPT-2025-1610 34. EPA Presentation for the December 1, 2025, Preparatory Meeting Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:18Z   0 0 09000064b909eec3
EPA-HQ-OPPT-2025-1610-0057 EPA None EPA-HQ-OPPT-2025-1610 32. Revised Charge to the Science Advisory Committee on Chemicals (SACC) Peer Review of the Draft Risk Evaluation of D4 and Technical Support Documents Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:18Z   0 0 09000064b909eec1
EPA-HQ-OPPT-2025-1610-0054 EPA None EPA-HQ-OPPT-2025-1610 Roster for D4 SACC meeting December 2-5, 2025 Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:17Z   0 0 09000064b909f802
EPA-HQ-OPPT-2025-1610-0055 EPA None EPA-HQ-OPPT-2025-1610 Agenda for D4 SACC Meeting December 2025 Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:17Z   0 0 09000064b909f803
EPA-HQ-OPPT-2025-1610-0056 EPA None EPA-HQ-OPPT-2025-1610 Agenda for Preparatory meeting- December 1 2025 Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:18Z   0 0 09000064b909f804
EPA-HQ-OPPT-2025-1610-0059 EPA None EPA-HQ-OPPT-2025-1610 35. EPA Technical Presentation for the December 2, 2025, SACC Peer Review Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:18Z   0 0 09000064b909f06d
EPA-HQ-OPPT-2025-1610-0060 EPA None EPA-HQ-OPPT-2025-1610 Transmission of Materials for the December 1, 2025, Preparatory Meeting and December 2 through 5, 2025, SACC Peer Review of the Risk Evaluation and the Technical Support Documents for Evaluating Risks from Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Memorandum 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:18Z   0 0 09000064b90a0277
EPA-HQ-OPPT-2025-1610-0061 EPA None EPA-HQ-OPPT-2025-1610 33. EPA Responses to Written SACC Comments on the Draft Charge Questions for the Draft Risk Evaluation for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Meeting Materials 2025-11-26T05:00:00Z 2025 11     2025-11-27T01:06:19Z   0 0 09000064b90a0278
EPA-HQ-OPPT-2025-1610-0053 EPA None EPA-HQ-OPPT-2025-1610 Abbreviated Draft Agenda for D4 SACC Meeting December 2025 Supporting & Related Material Meeting Materials 2025-11-17T05:00:00Z 2025 11     2025-11-17T21:19:34Z   0 0 09000064b908439f
EPA-HQ-OPPT-2025-1610-0052 EPA None EPA-HQ-OPPT-2025-1610 Science Advisory Committee on Chemicals (SACC); Notice of Postponement of Public Meeting Notice   2025-11-13T05:00:00Z 2025 11     2025-11-13T20:24:58Z 2025-19875 0 0 09000064b907faba
EPA-HQ-OPPT-2025-1610-0045 EPA None EPA-HQ-OPPT-2025-1610 Biographies of selected ad hoc reviewers for the SACC peer review of the draft risk evaluation for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Resume, Curriculum Vitae 2025-10-29T04:00:00Z 2025 10     2025-10-29T18:22:13Z   0 0 09000064b9057b5a
EPA-HQ-OPPT-2025-1610-0038 EPA None EPA-HQ-OPPT-2025-1610 Biographies of available candidates for the SACC peer review of octamethylcyclotetrasiloxane (D4) Supporting & Related Material   2025-10-08T04:00:00Z 2025 10     2025-10-08T23:21:57Z   0 0 09000064b8ffc66e
EPA-HQ-OPPT-2025-1610-0037 EPA None EPA-HQ-OPPT-2025-1610 Memo to Open Docket for Comment on Available Candidates Other Memorandum to Open a Docket 2025-10-08T04:00:00Z 2025 10 2025-10-08T04:00:00Z 2025-10-24T03:59:59Z 2025-10-28T09:00:13Z   0 0 09000064b8ffdd45
EPA-HQ-OPPT-2025-1610-0014 EPA None EPA-HQ-OPPT-2025-1610 10. Draft Data Quality Evaluation Information for Human Health Hazard Animal Toxicology for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:07Z   0 0 09000064b8f86061
EPA-HQ-OPPT-2025-1610-0008 EPA None EPA-HQ-OPPT-2025-1610 04. Draft Data Quality Evaluation and Data Extraction Information for Environmental Fate and Transport for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:49Z   0 0 09000064b8f86066
EPA-HQ-OPPT-2025-1610-0010 EPA None EPA-HQ-OPPT-2025-1610 06. Draft Data Quality Evaluation and Data Extraction Information for Dermal Absorption for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:55Z   0 0 09000064b8f8606b
EPA-HQ-OPPT-2025-1610-0018 EPA None EPA-HQ-OPPT-2025-1610 14. Draft Environmental Release and Occupational Exposure Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:33Z   0 0 09000064b8f8606c
EPA-HQ-OPPT-2025-1610-0020 EPA None EPA-HQ-OPPT-2025-1610 16. Draft Environmental Media and General Population Exposure Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:39Z   0 0 09000064b8f86082
EPA-HQ-OPPT-2025-1610-0031 EPA None EPA-HQ-OPPT-2025-1610 27. Draft PBPK Model Description and Review for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Evaluation 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:35Z   0 0 09000064b8f8607a
EPA-HQ-OPPT-2025-1610-0024 EPA None EPA-HQ-OPPT-2025-1610 20. Draft Consumer Exposure Analysis for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:02Z   0 0 09000064b8f8607d
EPA-HQ-OPPT-2025-1610-0025 EPA None EPA-HQ-OPPT-2025-1610 21. Draft Consumer Risk Calculator for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:05Z   0 0 09000064b8f86075
EPA-HQ-OPPT-2025-1610-0026 EPA None EPA-HQ-OPPT-2025-1610 22. Draft Risk Calculator for Occupational Exposures for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:09Z   0 0 09000064b8f86071
EPA-HQ-OPPT-2025-1610-0011 EPA None EPA-HQ-OPPT-2025-1610 07. Draft Data Quality Evaluation Information for General Population, Consumer, and Environmental Exposure for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:59Z   0 0 09000064b8f86063
EPA-HQ-OPPT-2025-1610-0005 EPA None EPA-HQ-OPPT-2025-1610 01. Draft Risk Evaluation for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:39Z   0 0 09000064b8f86070
EPA-HQ-OPPT-2025-1610-0019 EPA None EPA-HQ-OPPT-2025-1610 15. Draft Consumer and Indoor Dust Exposure Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:36Z   0 0 09000064b8f86080
EPA-HQ-OPPT-2025-1610-0022 EPA None EPA-HQ-OPPT-2025-1610 18. Draft Environmental Hazard Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:55Z   0 0 09000064b8f86081
EPA-HQ-OPPT-2025-1610-0004 EPA None EPA-HQ-OPPT-2025-1610 00. Charge to the SACC for the Peer Review of the Draft Risk Evaluation for D4 and Technical Support Documents Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:35Z   0 0 09000064b8f8d387
EPA-HQ-OPPT-2025-1610-0028 EPA None EPA-HQ-OPPT-2025-1610 24. Draft Ambient Air IIOAC Exposure Results and Risk Calculations for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:15Z   0 0 09000064b8f8607c
EPA-HQ-OPPT-2025-1610-0016 EPA None EPA-HQ-OPPT-2025-1610 12. Draft Data Extraction Information for Environmental Hazard and Human Health Hazard Animal Toxicology and Epidemiology for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:14Z   0 0 09000064b8f8605f
EPA-HQ-OPPT-2025-1610-0017 EPA None EPA-HQ-OPPT-2025-1610 13. Draft Physical Chemistry and Fate Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:30Z   0 0 09000064b8f86068
EPA-HQ-OPPT-2025-1610-0006 EPA None EPA-HQ-OPPT-2025-1610 02. Draft Systematic Review Protocol for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:42Z   0 0 09000064b8f8606a
EPA-HQ-OPPT-2025-1610-0009 EPA None EPA-HQ-OPPT-2025-1610 05. Draft Data Quality Evaluation and Data Extraction Information for Environmental Release and Occupational Exposure for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:52Z   0 0 09000064b8f8606d
EPA-HQ-OPPT-2025-1610-0021 EPA None EPA-HQ-OPPT-2025-1610 17. Draft Environmental Exposure Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:51Z   0 0 09000064b8f86077
EPA-HQ-OPPT-2025-1610-0023 EPA None EPA-HQ-OPPT-2025-1610 19. Draft Human Health Hazard Assessment for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:59Z   0 0 09000064b8f86083
EPA-HQ-OPPT-2025-1610-0027 EPA None EPA-HQ-OPPT-2025-1610 23. Draft Fish Ingestion Risk Calculator for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:12Z   0 0 09000064b8f86079
EPA-HQ-OPPT-2025-1610-0033 EPA None EPA-HQ-OPPT-2025-1610 29. Draft Inhalation Exposure Modeling Results for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:41Z   0 0 09000064b8f8607b
EPA-HQ-OPPT-2025-1610-0034 EPA None EPA-HQ-OPPT-2025-1610 30. Draft Physical Chemistry and Fate Assessment EPI Suite Model Outputs for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:44Z   0 0 09000064b8f8607e
EPA-HQ-OPPT-2025-1610-0012 EPA None EPA-HQ-OPPT-2025-1610 08. Draft Data Extraction Information for General Population, Consumer, and Environmental Exposure for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:02Z   0 0 09000064b8f8605e
EPA-HQ-OPPT-2025-1610-0015 EPA None EPA-HQ-OPPT-2025-1610 11. Draft Data Quality Evaluation Information for Environmental Hazard for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:11Z   0 0 09000064b8f86064
EPA-HQ-OPPT-2025-1610-0013 EPA None EPA-HQ-OPPT-2025-1610 09. Draft Data Quality Evaluation Information for Human Health Hazard Epidemiology for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:14:05Z   0 0 09000064b8f86065
EPA-HQ-OPPT-2025-1610-0007 EPA None EPA-HQ-OPPT-2025-1610 03. Draft Data Quality Evaluation and Data Extraction Information for Physical and Chemical Properties for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:13:46Z   0 0 09000064b8f86067
EPA-HQ-OPPT-2025-1610-0035 EPA None EPA-HQ-OPPT-2025-1610 31. Cover Page Draft Environmental Release Modeling for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:49Z   0 0 09000064b8f86078
EPA-HQ-OPPT-2025-1610-0032 EPA None EPA-HQ-OPPT-2025-1610 28. Draft PBPK Model Results for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:38Z   0 0 09000064b8f8607f
EPA-HQ-OPPT-2025-1610-0036 EPA None EPA-HQ-OPPT-2025-1610 Transmission of Materials for the SACC Peer Review of the Risk Evaluation and the Technical Support Documents for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Memorandum 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:52Z   0 0 09000064b8f8d386
EPA-HQ-OPPT-2025-1610-0003 EPA None EPA-HQ-OPPT-2025-1610 Octamethylcyclotetrasiloxane (D4); Draft Risk Evaluation; Science Advisory Committee on Chemicals (SACC) Peer Review; Notice of SACC Meeting; Availability of Draft Documents and Request for Comment Notice   2025-09-19T04:00:00Z 2025 9 2025-09-19T04:00:00Z 2025-11-05T04:59:59Z 2025-12-05T10:00:15Z 2025-18170 0 0 09000064b8fba2d6
EPA-HQ-OPPT-2025-1610-0030 EPA None EPA-HQ-OPPT-2025-1610 26. Draft Surface Water Human Exposure Calculator for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:32Z   0 0 09000064b8f86074
EPA-HQ-OPPT-2025-1610-0029 EPA None EPA-HQ-OPPT-2025-1610 25. Draft Biosolids-Amended Soil Concentration Results and Risk Calculations for Octamethylcyclotetrasiloxane (D4) Supporting & Related Material Interagency Review 2025-09-19T04:00:00Z 2025 9     2025-09-19T19:15:20Z   0 0 09000064b8f86076
EPA-HQ-OPPT-2025-1610-0002 EPA None EPA-HQ-OPPT-2025-1610 Biographies of available candidates for the SACC peer review of octamethylcyclotetrasiloxane (D4) Supporting & Related Material   2025-09-05T04:00:00Z 2025 9     2025-09-09T22:17:50Z   0 1 09000064b8f41868
EPA-HQ-OPPT-2025-1610-0001 EPA None EPA-HQ-OPPT-2025-1610 Memo to open docket for comment on available candidates as ad hoc for SACC-D4 Other   2025-09-05T04:00:00Z 2025 9     2025-09-09T22:17:55Z   0 1 09000064b8f43344

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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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