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withdrawn,object_id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-2018-0443-0084,EPA,EPA-HQ-OPPT-2018-0443,"Draft Risk Evaluation under the Toxic Substances Control Act: Octamethylcyclotetrasiloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4): Extension of Comment Period",Notice,Extension of Comment Period,2025-11-13T05:00:00Z,2025,11,,,2025-11-13T21:15:38Z,2025-19878,0,0,09000064b907fab2
EPA-HQ-OPPT-2018-0443-0048,EPA,EPA-HQ-OPPT-2018-0443,"Risk Evaluation under the Toxic Substances Control Act (TSCA): Octamethylcyclotetrasiloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4)",Notice,Notice of Data Availability,2025-09-17T07:00:00Z,2025,9,2025-11-13T05:00:00Z,2025-12-03T04:59:59Z,2025-12-03T10:00:22Z,2025-17967,0,0,09000064b8fa618d
EPA-HQ-OPPT-2018-0443-0056,EPA,EPA-HQ-OPPT-2018-0443,"08. Draft Data Extraction Information for General Population, Consumer, and Environmental Exposure for Octamethylcyclotetrasiloxane (D4)",Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:25Z,,0,0,09000064b8f64307
EPA-HQ-OPPT-2018-0443-0051,EPA,EPA-HQ-OPPT-2018-0443,03. Draft Data Quality Evaluation and Data Extraction Information for Physical and Chemical Properties for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:09Z,,0,0,09000064b8f6430d
EPA-HQ-OPPT-2018-0443-0053,EPA,EPA-HQ-OPPT-2018-0443,05. Draft Data Quality Evaluation and Data Extraction Information for Environmental Release and Occupational Exposure for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:16Z,,0,0,09000064b8f6430e
EPA-HQ-OPPT-2018-0443-0054,EPA,EPA-HQ-OPPT-2018-0443,06. Draft Data Quality Evaluation and Data Extraction Information for Dermal Absorption for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:19Z,,0,0,09000064b8f6430c
EPA-HQ-OPPT-2018-0443-0050,EPA,EPA-HQ-OPPT-2018-0443,02. Draft Systematic Review Protocol for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:06Z,,0,0,09000064b8f64310
EPA-HQ-OPPT-2018-0443-0060,EPA,EPA-HQ-OPPT-2018-0443,12. Draft Data Extraction Information for Environmental Hazard and Human Health Hazard Animal Toxicology and Epidemiology for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:57Z,,0,0,09000064b8f64311
EPA-HQ-OPPT-2018-0443-0058,EPA,EPA-HQ-OPPT-2018-0443,10. Draft Data Quality Evaluation Information for Human Health Hazard Animal Toxicology for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:32Z,,0,0,09000064b8f64315
EPA-HQ-OPPT-2018-0443-0066,EPA,EPA-HQ-OPPT-2018-0443,18. Draft Environmental Hazard Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:17Z,,0,0,09000064b8f64317
EPA-HQ-OPPT-2018-0443-0065,EPA,EPA-HQ-OPPT-2018-0443,17. Draft Environmental Exposure Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:13Z,,0,0,09000064b8f64318
EPA-HQ-OPPT-2018-0443-0063,EPA,EPA-HQ-OPPT-2018-0443,15. Draft Consumer and Indoor Dust Exposure Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:07Z,,0,0,09000064b8f64432
EPA-HQ-OPPT-2018-0443-0070,EPA,EPA-HQ-OPPT-2018-0443,22. Draft Risk Calculator for Occupational Exposures for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:40Z,,0,0,09000064b8f64438
EPA-HQ-OPPT-2018-0443-0049,EPA,EPA-HQ-OPPT-2018-0443,01. Draft Risk Evaluation for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:03Z,,0,0,09000064b8f6efde
EPA-HQ-OPPT-2018-0443-0061,EPA,EPA-HQ-OPPT-2018-0443,13. Draft Physical Chemistry and Fate Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:00Z,,0,0,09000064b8f64316
EPA-HQ-OPPT-2018-0443-0072,EPA,EPA-HQ-OPPT-2018-0443,24. Draft Ambient Air IIOAC Exposure Results and Risk Calculations for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:47Z,,0,0,09000064b8f64437
EPA-HQ-OPPT-2018-0443-0076,EPA,EPA-HQ-OPPT-2018-0443,28. Draft PBPK Model Results for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:14Z,,0,0,09000064b8f6443b
EPA-HQ-OPPT-2018-0443-0052,EPA,EPA-HQ-OPPT-2018-0443,04. Draft Data Quality Evaluation and Data Extraction Information for Environmental Fate and Transport for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:12Z,,0,0,09000064b8f6430f
EPA-HQ-OPPT-2018-0443-0055,EPA,EPA-HQ-OPPT-2018-0443,"07. Draft Data Quality Evaluation Information for General Population, Consumer, and Environmental Exposure for Octamethylcyclotetrasiloxane (D4)",Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:22Z,,0,0,09000064b8f64314
EPA-HQ-OPPT-2018-0443-0071,EPA,EPA-HQ-OPPT-2018-0443,23. Draft Fish Ingestion Risk Calculator for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:43Z,,0,0,09000064b8f64434
EPA-HQ-OPPT-2018-0443-0077,EPA,EPA-HQ-OPPT-2018-0443,29. Draft Inhalation Exposure Modeling Results for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:18Z,,0,0,09000064b8f6443a
EPA-HQ-OPPT-2018-0443-0079,EPA,EPA-HQ-OPPT-2018-0443,31. Cover Page Draft Environmental Release Modeling for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:24Z,,0,0,09000064b8f64319
EPA-HQ-OPPT-2018-0443-0075,EPA,EPA-HQ-OPPT-2018-0443,27. Draft PBPK Model Description and Review for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:11Z,,0,0,09000064b8f6431b
EPA-HQ-OPPT-2018-0443-0062,EPA,EPA-HQ-OPPT-2018-0443,14. Draft Environmental Release and Occupational Exposure Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:03Z,,0,0,09000064b8f64433
EPA-HQ-OPPT-2018-0443-0059,EPA,EPA-HQ-OPPT-2018-0443,11. Draft Data Quality Evaluation Information for Environmental Hazard for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:54Z,,0,0,09000064b8f64313
EPA-HQ-OPPT-2018-0443-0073,EPA,EPA-HQ-OPPT-2018-0443,25. Draft Biosolids-Amended Soil Concentration Results and Risk Calculations for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:04Z,,0,0,09000064b8f64436
EPA-HQ-OPPT-2018-0443-0057,EPA,EPA-HQ-OPPT-2018-0443,09. Draft Data Quality Evaluation Information for Human Health Hazard Epidemiology for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:53:29Z,,0,0,09000064b8f64312
EPA-HQ-OPPT-2018-0443-0067,EPA,EPA-HQ-OPPT-2018-0443,19. Draft Human Health Hazard Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:20Z,,0,0,09000064b8f6efdf
EPA-HQ-OPPT-2018-0443-0078,EPA,EPA-HQ-OPPT-2018-0443,30. Draft Physical Chemistry and Fate Assessment EPI Suite Model Outputs for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Evaluation,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:21Z,,0,0,09000064b8f6431a
EPA-HQ-OPPT-2018-0443-0068,EPA,EPA-HQ-OPPT-2018-0443,20. Draft Consumer Exposure Analysis for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:23Z,,0,0,09000064b8f644cd
EPA-HQ-OPPT-2018-0443-0074,EPA,EPA-HQ-OPPT-2018-0443,26. Draft Surface Water Human Exposure Calculator for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:55:07Z,,0,0,09000064b8f64435
EPA-HQ-OPPT-2018-0443-0069,EPA,EPA-HQ-OPPT-2018-0443,21. Draft Consumer Risk Calculator for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Data,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:37Z,,0,0,09000064b8f64439
EPA-HQ-OPPT-2018-0443-0064,EPA,EPA-HQ-OPPT-2018-0443,16. Draft Environmental Media and General Population Exposure Assessment for Octamethylcyclotetrasiloxane (D4),Supporting & Related Material,Publication - USEPA,2025-09-17T04:00:00Z,2025,9,,,2025-09-17T16:54:10Z,,0,0,09000064b8f6e492
EPA-HQ-OPPT-2018-0443-0047,EPA,EPA-HQ-OPPT-2018-0443,"D4 Stakeholder Meeting Notes October 2, 2024",Supporting & Related Material,Meeting Materials,2025-01-16T05:00:00Z,2025,1,,,2025-01-16T13:44:37Z,,0,0,09000064868bbcc6
EPA-HQ-OPPT-2018-0443-0046,EPA,EPA-HQ-OPPT-2018-0443,"D4 Stakeholder Meeting Notes July 11, 2024",Supporting & Related Material,Meeting Materials,2025-01-16T05:00:00Z,2025,1,,,2025-01-16T13:44:36Z,,0,0,09000064868bbcc4
EPA-HQ-OPPT-2018-0443-0045,EPA,EPA-HQ-OPPT-2018-0443,"D4 Stakeholder Meeting Notes March 6, 2024",Supporting & Related Material,Meeting Materials,2024-07-10T04:00:00Z,2024,7,,,2024-07-11T00:58:57Z,,0,0,09000064865e55d8
EPA-HQ-OPPT-2018-0443-0043,EPA,EPA-HQ-OPPT-2018-0443,"D4 Stakeholder Meeting Notes December 6, 2023",Supporting & Related Material,Meeting Materials,2024-03-14T04:00:00Z,2024,3,,,2024-03-15T00:48:03Z,,0,0,0900006486457624
EPA-HQ-OPPT-2018-0443-0042,EPA,EPA-HQ-OPPT-2018-0443,Memo to Re-Open Docket for Comments,Other,Memorandum to Open a Docket,2024-01-18T05:00:00Z,2024,1,2024-01-18T05:00:00Z,2024-07-19T03:59:59Z,2024-07-05T01:00:48Z,,0,0,09000064863a2f3c
EPA-HQ-OPPT-2018-0443-0041,EPA,EPA-HQ-OPPT-2018-0443,D4 Stakeholder Meeting Notes May 31 2023,Supporting & Related Material,Meeting Materials,2023-09-05T04:00:00Z,2023,9,,,2023-09-06T00:44:41Z,,0,0,0900006485f32970
EPA-HQ-OPPT-2018-0443-0040,EPA,EPA-HQ-OPPT-2018-0443,"D4 Stakeholder Meeting Notes, December 14, 2022",Supporting & Related Material,Meeting Materials,2023-03-21T04:00:00Z,2023,3,,,2023-04-10T08:05:49Z,,0,0,09000064857d0c16
EPA-HQ-OPPT-2018-0443-0039,EPA,EPA-HQ-OPPT-2018-0443,Memo to Re-Open Docket for Comments,Other,Memorandum to Open a Docket,2023-01-03T05:00:00Z,2023,1,2023-01-03T05:00:00Z,2023-07-04T03:59:59Z,2023-01-11T20:42:32Z,,0,0,0900006485560ef4
EPA-HQ-OPPT-2018-0443-0038,EPA,EPA-HQ-OPPT-2018-0443,D4 Stakeholder Meeting July 27 2022 Notes,Supporting & Related Material,Meeting Materials,2022-10-12T04:00:00Z,2022,10,,,2022-10-13T00:41:37Z,,0,0,0900006485383220
EPA-HQ-OPPT-2018-0443-0037,EPA,EPA-HQ-OPPT-2018-0443,"EPA Response to Public Comments Received on the Draft Scopes of the Risk Evaluations Under TSCA for Octamethylcyclotetra- siloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4) CASRN 556-67-2",Supporting & Related Material,Comment Response,2022-03-07T05:00:00Z,2022,3,,,2022-03-08T01:38:41Z,,0,0,0900006484f7ad66
EPA-HQ-OPPT-2018-0443-0036,EPA,EPA-HQ-OPPT-2018-0443,Final Scope of the Risk Evaluation for Octamethylcyclotetra- siloxane (D4) Supplemental File: Data Extraction and Data Evaluation Tables for Physical and Chemical Studies for D4 Degradants CASRN: 556-67-2,Supporting & Related Material,Evaluation,2022-03-07T05:00:00Z,2022,3,,,2022-03-08T01:38:49Z,,0,0,0900006484f7ad64
EPA-HQ-OPPT-2018-0443-0034,EPA,EPA-HQ-OPPT-2018-0443,"Final Scope of the Risk Evaluation for Octamethylcyclotetra- siloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4) CASRN 556-67-2",Supporting & Related Material,Publication - USEPA,2022-03-07T05:00:00Z,2022,3,,,2022-03-08T01:38:33Z,,0,0,0900006484f7ad62
EPA-HQ-OPPT-2018-0443-0035,EPA,EPA-HQ-OPPT-2018-0443,Final Scope of the Risk Evaluation for Octamethylcyclotetra- siloxane (D4) Supplemental File: Data Extraction and Data Evaluation Tables for Physical and Chemical Property Studies CASRN: 556-67-2,Supporting & Related Material,Evaluation,2022-03-07T05:00:00Z,2022,3,,,2022-03-08T01:38:25Z,,0,0,0900006484f7ad72
EPA-HQ-OPPT-2018-0443-0033,EPA,EPA-HQ-OPPT-2018-0443,Final Scope of the Risk Evaluation To Be Conducted Under the Toxic Substances Control Act: Octamethylcyclotetra-siloxane (D4),Notice,,2022-03-07T05:00:00Z,2022,3,,,2022-03-07T14:20:09Z,2022-04676,0,0,0900006484fbcb68
EPA-HQ-OPPT-2018-0443-0032,EPA,EPA-HQ-OPPT-2018-0443,Letter regarding Department of Defense's (DoD) comment on D4,Supporting & Related Material,Letter,2021-11-05T04:00:00Z,2021,11,,,2021-11-06T00:45:55Z,,0,0,0900006484e05a05
EPA-HQ-OPPT-2018-0443-0022,EPA,EPA-HQ-OPPT-2018-0443,"Draft Scope of the Risk Evaluation for Octamethylcyclotetra- siloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4) CASRN 556-67-2",Supporting & Related Material,Publication - USEPA,2021-09-08T04:00:00Z,2021,9,,,2021-09-09T00:34:44Z,,0,0,0900006484ca4638
EPA-HQ-OPPT-2018-0443-0023,EPA,EPA-HQ-OPPT-2018-0443,"Use Report for Octamethylcyclotetra- siloxane (Cyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-) (D4) CASRN 556-67-2",Supporting & Related Material,Report,2021-09-08T04:00:00Z,2021,9,,,2021-09-09T00:34:56Z,,0,0,0900006484ca466c
EPA-HQ-OPPT-2018-0443-0021,EPA,EPA-HQ-OPPT-2018-0443,Octamethylcyclotetra-Siloxane (D4); Draft Scope of the Risk Evaluation To Be Conducted Under the Toxic Substances Control Act; Notice of Availability and Request for Comments,Notice,,2021-09-08T04:00:00Z,2021,9,2021-09-08T04:00:00Z,2021-10-26T03:59:59Z,2021-10-28T01:00:58Z,2021-19392,0,0,0900006484d5ed94
EPA-HQ-OPPT-2018-0443-0025,EPA,EPA-HQ-OPPT-2018-0443,Draft Scope of the Risk Evaluation for Octamethylcyclotetra- siloxane (D4) Supplemental File: Data Extraction and Data Evaluation Tables for Physical and Chemical Studies for D4 Degradants CASRN: 556-67-2,Supporting & Related Material,Interagency Review,2021-09-08T04:00:00Z,2021,9,,,2021-09-09T00:34:26Z,,0,0,0900006484ca466e
EPA-HQ-OPPT-2018-0443-0024,EPA,EPA-HQ-OPPT-2018-0443,Draft Scope of the Risk Evaluation for Octamethylcyclotetra- siloxane (D4) Supplemental File: Data Extraction and Data Evaluation Tables for Physical and Chemical Property Studies CASRN: 556-67-2,Supporting & Related Material,Interagency Review,2021-09-08T04:00:00Z,2021,9,,,2021-09-09T00:34:35Z,,0,0,0900006484ca466d
EPA-HQ-OPPT-2018-0443-0018,EPA,EPA-HQ-OPPT-2018-0443,Supplemental Submission for Octamethylcyclotetra- siloxane Chemical Abstracts Service Registry Number (CASRN): 556-67-2: D4 Manufacturer Request for Risk Evaluation,Supporting & Related Material,Letter,2021-03-25T04:00:00Z,2021,3,,,2021-03-26T00:37:21Z,,0,0,0900006484a75e54
EPA-HQ-OPPT-2018-0443-0019,EPA,EPA-HQ-OPPT-2018-0443,"Supplemental Submission for Octamethylcyclotetrasiloxane, Chemical Abstracts Service Registry Number (CASRN): 556-67-2: D4 Manufacturer Request for Risk Evaluation",Supporting & Related Material,Letter,2021-03-25T04:00:00Z,2021,3,,,2021-03-26T00:37:34Z,,0,0,0900006484a75e55
EPA-HQ-OPPT-2018-0443-0017,EPA,EPA-HQ-OPPT-2018-0443,Supplemental Submission for Octamethylcyclotetrasiloxane Chemical Abstracts Service Registry Number (CASRN): 556-67-2: D4 Manufacturer Request for Risk Evaluation,Supporting & Related Material,Risk Assessment,2021-03-25T04:00:00Z,2021,3,,,2021-03-26T00:37:08Z,,0,0,0900006484a75e53
EPA-HQ-OPPT-2018-0443-0016,EPA,EPA-HQ-OPPT-2018-0443,Letter regarding Commercial animal grooming product,Supporting & Related Material,E-mail,2021-03-09T05:00:00Z,2021,3,,,2021-03-10T01:46:50Z,,0,0,0900006484a5efb9
EPA-HQ-OPPT-2018-0443-0015,EPA,EPA-HQ-OPPT-2018-0443,Revised Possible Conditions of Use (COU) Table for Octamethylcyclotetra- siloxane (D4),Supporting & Related Material,Report,2020-10-08T04:00:00Z,2020,10,,,2020-10-09T00:50:09Z,,0,0,09000064848e7727
EPA-HQ-OPPT-2018-0443-0004,EPA,EPA-HQ-OPPT-2018-0443,Manufacturer Request for Risk Evaluation of Octamethylcyclotetra- siloxane (D4),Supporting & Related Material,Publication - Copyrighted Materials,2020-06-17T04:00:00Z,2020,6,,,2020-06-25T15:37:38Z,,0,0,09000064846bbccb
EPA-HQ-OPPT-2018-0443-0002,EPA,EPA-HQ-OPPT-2018-0443,Manufacturer Request for Risk Evaluation under the Toxic Substances Control Act: Octamethylcyclotetra-siloxane (D4),Notice,,2020-06-17T04:00:00Z,2020,6,2020-06-17T04:00:00Z,2020-08-04T03:59:59Z,2021-07-21T01:00:41Z,2020-13037,0,0,09000064846f58d3
EPA-HQ-OPPT-2018-0443-0003,EPA,EPA-HQ-OPPT-2018-0443,Possible Conditions of Use (COU) Table for Octamethylcyclotetra- siloxane (D4),Supporting & Related Material,Report,2020-06-17T04:00:00Z,2020,6,,,2020-10-04T09:23:25Z,,0,0,09000064846bbcca
EPA-HQ-OPPT-2018-0443-0005,EPA,EPA-HQ-OPPT-2018-0443,Addendum to Manufacturer Request for Risk Evaluation of Octamethylcyclotetra- siloxane (D4),Supporting & Related Material,Letter,2020-06-17T04:00:00Z,2020,6,,,2020-10-04T09:22:20Z,,0,0,09000064846bbccc
EPA-HQ-OPPT-2018-0443-0001,EPA,EPA-HQ-OPPT-2018-0443,Memo authorizing the opening of a comment period for this docket.,Other,Memorandum to Open a Docket,2018-09-28T04:00:00Z,2018,9,2018-09-28T04:00:00Z,2019-12-02T04:59:59Z,2018-12-06T18:46:42Z,,0,0,090000648377deb8