Learn the Issues
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Polybrominated Diphenyl Ethers (PBDEs) Action Plan
Polybrominated diphenyl ethers (PBDEs) have been widely used as flame retardants in a number of applications. EPA is concerned that some of the component congeners are persistent, bioaccumulative and toxic.
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TSCA Section 21 Petition Requesting EPA to Lower Lead Dust Hazard Standards and Modify the Definition of Lead-based Paint in its Regulations
This petition requests EPA to lower lead dust hazard standards and modify the definition of lead-based paint in its regulations promulgated under sections 401 and 403 of the Toxic Substances Control Act (TSCA).
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TSCA Work Plan: 2012 Scoring of Potential Candidate Chemicals Entering Step 2
In 2012, EPA scored these chemicals based on hazard, exposure and persistence/bioaccumulation criteria as part of Step 2 in the Work Plan methodology in order to identify candidate chemicals for near-term review and assessment under TSCA.
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OPPT Antimony Trioxide (ATO) Risk Assessment - Draft Comments of Seven-Member Peer Review Panel
Comments on the draft risk assessment for Antimony Trioxide (ATO).
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Summary of External Peer Review and Public Comments and Disposition
This document summarizes the public and external peer review comments that the EPA’s Office of Pollution Prevention and Toxics (OPPT) received for the draft work plan risk assessment for n-Methylpyrrolidone (NMP).
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TSCA Section 8(e) Reporting Guide
This "reporting guide" has been compiled by EPA's Office of Toxic substances (OTS) to assist potential respondents who manufacture, import, process or distribute chemical substances in complying with Section 8(e).
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Short-Chain Chlorinated Paraffins (SCCPs) and Other Chlorinated Paraffins Action Plan
A summary of EPA's review of Short-Chain Chlorinated Paraffins (SCCPs) and Other Chlorinated Paraffins.
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TSCA Section 21 Petition Requesting EPA to Establish Regulations Prohibiting the Manufacture, Processing, and Distribution in Commerce of Lead Wheel Balancing Weights.
This petition requests EPA to establish regulations prohibiting the manufacture, processing, and distribution in commerce of lead wheel balancing weights (“wheel weights”).
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CDX Registration Webinar
This webinar provides instruction on how to register in the CDX system.
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TSCA Section 21 Petition Requesting EPA to Promulgate TSCA Section 4 and 8 Rules Concerning Oil and Gas Exploration and Production Chemicals and Mixtures
This petition requests EPA to promulgate regulations under TSCA Section 4 and 8 rules requiring toxicity testing and reporting of health and safety studies on oil and gas exploration and production chemicals.
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2012 TSCA Work Plan Chemicals
The TSCA Work Plan Chemicals Methods Document explains the hazard, exposure, and persistence/bio-accumulation criteria, the data sources used, and how chemicals were scored.
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A Summary of All Chemical Action Plans Issued by EPA
A brief summary overview of all posted chemical action plans.
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Modified Total Direct Cost (MTDC) Base Tool
EPA has provided a Modified Total Direct Cost (MTDC) Base Tool which breaks down cost categories and their allowability. Topics within this tool include but are not limited to supplies, travel, fringe benefits, equipment, and construction.
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Best Practices for Mitigating Potential Harm and Community Benefits of Reclamation and Destruction of HFCs
There are many ways that potential harms may be reduced or avoided.
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Allowance Allocation Methodology for 2022
This page describes the steps EPA took to calculate each entity receiving allowances for calendar year 2022. The list of current allowance holders is available on the Issuing Allowance Allocations web page.
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Best Practices and Considerations for HFC Reclamation and Destruction
Hydrofluorocarbons (HFCs) are potent greenhouse gases (GHGs) developed and manufactured as replacements for ozone-depleting substances (ODS).
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Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2022
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.
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Phasedown of Hydrofluorocarbons (HFCs): Issuing Allowance Allocations for 2024
The American Innovation and Manufacturing (AIM) Act was enacted by Congress on December 27, 2020. The AIM Act directs the U.S. Environmental Protection Agency (EPA) to address the environmental impact of HFCs.
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Notices of Determination for Petitions Submitted under Subsection (i) of the American Innovation and Manufacturing Act of 2020
This notice is to alert the public of the Administrator’s decision to grant in full ten petitions and partially grant one petition submitted under subsection (i) of the American Innovation and Manufacturing (AIM) Act of 2020.
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Control of HFC-23 Emissions
Proposed Rulemaking: Phasedown of Hydrofluorocarbons: Allowance Allocation Methodology for 2024 and Later Years.