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withdrawn,object_id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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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,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