Silent Spring Institute
UnclaimedIndustry
research
Staff
40
HQ
320 Nevada Street, Suite 302, Newton, MA 02460, US
Phone
+1 617-332-4288
Website
www.silentspring.orgEngagement overview
Silent Spring Institute has filed 66 public comments across 49 dockets at 2 federal agencies, most actively at the Environmental Protection Agency.
66
Comments filed
49
Dockets engaged
2
Agencies
Jul 23, 2026
Last filing
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Agency footprint
Dockets · EPA (48)
sorted by most recent filingEPARulemakingEPA-HQ-OW-2025-0654
Rescission of Regulatory Determinations and Removal of Related Provisions for Four PFAS Substances (PFHxS, PFNA, HFPO-DA (GenX), and the mixture of these three PFAS plus PFBS)
1 of your filingslast filed Jul 23, 202633 co-filersRIN 2040-AG53
EPARulemakingEPA-HQ-OW-2025-1742
Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels
1 of your filingslast filed Jul 21, 202642 co-filersRIN 2040-AG49
EPARulemakingEPA-HQ-OPPT-2025-0260
Procedures for Chemical Risk Evaluation Under the Toxic Substances Control Act (TSCA)
1 of your filingslast filed Nov 17, 202570 co-filers
EPANonrulemakingEPA-HQ-OGC-2024-0391
Alianza Nacional de Campesinas, et al. v. U.S. Environmental Protection Agency, et al., No. 4:22- cv-9030 (ND Cal)
1 of your filingslast filed Nov 13, 20241 co-filers
EPANonrulemakingEPA-HQ-OPPT-2023-0601
Prioritization of Existing Chemical Substances Under the Toxic Substances Control Act (TSCA)
1 of your filingslast filed Mar 25, 202421 co-filers
EPANonrulemakingEPA-HQ-OPP-2023-0474
EDSP Implementation 2023
1 of your filingslast filed Mar 7, 202410 co-filers
EPANonrulemakingEPA-HQ-OPPT-2023-0311
Stakeholder Engagement Opportunity for the Safer Choice and Design for the Environment (DfE) Programs’ Potential Expansion into New Product Categories
1 of your filingslast filed Sep 14, 202315 co-filers
EPARulemakingEPA-HQ-OPPT-2022-0902
Updates to New Chemicals Regulations under the Toxic Substances Control Act
1 of your filingslast filed Aug 10, 202324 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0438
Formaldehyde; TSCA Review
1 of your filingslast filed Jul 6, 202364 co-filers
EPARulemakingEPA-HQ-OAR-2019-0178
National Emission Standards for Hazardous Air Pollutants: Commercial Ethylene Oxide Sterilization Technology Review
1 of your filingslast filed Jun 29, 202361 co-filers
EPARulemakingEPA-HQ-OW-2022-0114
Per- and polyfluoroalkyl substances (PFAS): Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS) National Primary Drinking Water Regulation Rulemaking
3 of your filingslast filed Jun 5, 2023119 co-filers
EPANonrulemakingEPA-HQ-ORD-2014-0527
IRIS Assessment Materials for Naphthalene
1 of your filingslast filed Apr 28, 20235 co-filers
EPANonrulemakingEPA-HQ-OPP-2021-0756
Endocrine Disruptor Screening Program New Approach Methods
1 of your filingslast filed Apr 4, 20238 co-filers
EPANonrulemakingEPA-HQ-OPP-2012-0859
Pesticide Registration Review for Folpet
1 of your filingslast filed Jun 21, 20226 co-filers
EPANonrulemakingEPA-HQ-OPP-2015-0077
Diuron Registration Review
2 of your filingslast filed Jun 21, 202232 co-filers
EPARulemakingEPA-HQ-OAR-2021-0317
Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review
1 of your filingslast filed Dec 17, 2021188 co-filers
EPANonrulemakingEPA-HQ-OW-2018-0594
Drinking Water Contaminants Candidate List 5 (CCL 5)
1 of your filingslast filed Sep 20, 202118 co-filers
EPARulemakingEPA-HQ-OPPT-2020-0549
Reporting and Recordkeeping for Perfluoroalkyl and Polyfluoroalkyl Substances under Section 8(a)(7) of the Toxic Substances Control Act (TSCA)
1 of your filingslast filed Aug 27, 2021112 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0476
Tris(2-chloroethyl) phosphate (TCEP); TSCA Review
1 of your filingslast filed Jun 8, 202010 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0451
1,3-Butadiene; TSCA Review
1 of your filingslast filed Jun 8, 202015 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0458
Phosphoric acid, triphenyl ester (TPP); TSCA Review
1 of your filingslast filed Jun 8, 202011 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0462
4,4'-(1-Methylethylidene)bis[2, 6-dibromophenol] (TBBPA); TSCA Review
1 of your filingslast filed Jun 8, 202014 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0488
Ethylene dibromide; TSCA Review
1 of your filingslast filed Jun 8, 202013 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0427
1,2-Dichloroethane; TSCA Review
1 of your filingslast filed Jun 4, 202025 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0426
1,1-Dichloroethane; TSCA Review
1 of your filingslast filed Jun 4, 20209 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0428
1,2-Dichloropropane; TSCA Review
1 of your filingslast filed Jun 4, 20209 co-filers
EPARulemakingEPA-HQ-OA-2018-0259
Strengthening Transparency in Regulatory Science
3 of your filingslast filed May 26, 2020230 co-filers
EPARulemakingEPA-HQ-TRI-2019-0375
Addition of Certain Per- and Polyfluoroalkyl Substances (PFAS) to the Toxics Release Inventory
1 of your filingslast filed Feb 6, 202019 co-filers
EPANonrulemakingEPA-HQ-OW-2018-0614
Human Health Toxicity Values for Hexafluoropropylene Oxide Dimer Acid and its Ammonium Salt (GenX Chemicals) and Perfluorobutane Sulfonic Acid (PFBS) and Related Compound Potassium Perfluorobutane Sulfonate
1 of your filingslast filed Feb 1, 201914 co-filers
EPANonrulemakingEPA-HQ-OPPT-2018-0659
A Long-term Approach for Organizing the TSCA Chemical Inventory
1 of your filingslast filed Nov 21, 201819 co-filers
EPANonrulemakingEPA-HQ-OW-2018-0270
PFAS National Leadership Summit and Engagement
1 of your filingslast filed Oct 1, 201815 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0742
Methylene Chloride; TSCA Review and Risk Evaluation
3 of your filingslast filed Sep 13, 201836 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0735
HBCD (Hexabromocyclododecane) or Cyclic Aliphatic Bromide Cluster; TSCA Review and Risk Evaluation
3 of your filingslast filed Sep 12, 201824 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0733
Carbon Tetrachloride; TSCA Review and Risk Evaluation
3 of your filingslast filed Sep 12, 201830 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0732
Tetrachloroethylene (perchloroethylene); TSCA Review and Risk Evaluation
3 of your filingslast filed Sep 11, 201839 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0723
1,4-Dioxane; TSCA Review and Risk Evaluation
3 of your filingslast filed Sep 9, 201834 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0737
Trichloroethylene; TSCA Review and Risk Evaluation
3 of your filingslast filed Sep 9, 201836 co-filers
EPANonrulemakingEPA-HQ-OPPT-2017-0559
TSCA Alternative Testing Methods Strategy
1 of your filingslast filed Apr 26, 201816 co-filers
EPANonrulemakingEPA-HQ-OPPT-2017-0586
Approaches for Identifying Potential Candidates for Prioritization for Risk Evaluation Under Amended TSCA; Notice of Public Meeting and Opportunity for Public Comment
1 of your filingslast filed Jan 31, 201826 co-filers
EPANonrulemakingEPA-HQ-OPPT-2017-0585
New Chemicals Review Program under the Amended Toxic Substances Control Act
1 of your filingslast filed Jan 24, 201820 co-filers
EPANonrulemakingEPA-HQ-OPPT-2016-0724
Decabromodiphenyl Ethers; TSCA Review
1 of your filingslast filed Jan 22, 20187 co-filers
EPARulemakingEPA-HQ-OPPT-2016-0231
Methylene Chloride and N-Methylpyrrolidone (NMP); Rulemaking under TSCA Section 6(a)
1 of your filingslast filed Jul 10, 201724 co-filers
EPARulemakingEPA-HQ-OPPT-2016-0387
Trichloroethylene (TCE); Regulation of Use in Vapor Degreasing under TSCA §6(a)
1 of your filingslast filed Jul 6, 201714 co-filers
EPARulemakingEPA-HQ-OPPT-2016-0654
Procedures for Chemical Risk Evaluation under the Toxic Substances Control Act
1 of your filingslast filed Mar 27, 201749 co-filers
EPANonrulemakingEPA-HQ-OPPT-2017-0002
Risk Evaluation Scoping Efforts Under TSCA for Ten Chemical Substances; Notice of Public Meeting
1 of your filingslast filed Mar 23, 20179 co-filers
EPARulemakingEPA-HQ-OPPT-2016-0636
Procedures for Prioritization of Chemicals for Risk Evaluation under the Toxic Substances Control Act
1 of your filingslast filed Mar 23, 201744 co-filers
EPARulemakingEPA-HQ-OPPT-2016-0400
Risk Evaluation Procedural Rule under TSCA section 6(b)(4)
1 of your filingslast filed Sep 1, 201629 co-filers
EPARulemakingEPA-HQ-OPPT-2016-0399
Risk-Based Prioritization Procedural Rule under TSCA section 6(b)(1)
1 of your filingslast filed Aug 31, 201620 co-filers
Attribution is name-based and imperfect. Firmographic data is third-party sourced and shown for demonstration. regulations.gov data is public record.