Carbon Tetrachloride is once again under review by the United States Environmental Protection Agency (EPA). The agency has invited the public to comment on its latest rule concerning this hazardous chemical, aiming to balance safety, industry needs, and environmental protection. Here are five powerful insights to help you understand what’s happening and why it matters.
1. The EPA is reopening the discussion
The EPA finalised a rule in late 2024 to manage the risks of carbon tetrachloride under the Toxic Substances Control Act (TSCA). However, in October 2025, it announced a public comment period to reconsider certain aspects of that rule. This gives scientists, industry leaders, and the public a fresh chance to provide feedback before the rule is finalised again.
2. Why carbon tetrachloride matters
Carbon tetrachloride (CTC) was once widely used in refrigerants, cleaning agents, and as a raw material for other chemicals. Research later showed it could cause severe harm to the liver, kidneys, and nervous system and has been linked to cancer. Although most consumer uses are now banned, it still appears in controlled industrial applications — which is why the EPA continues to monitor and regulate it.
3. Key points of the current rule
The existing rule aims to reduce exposure to CTC in workplaces and the environment. It restricts several industrial uses and requires companies that still handle the chemical to implement a Workplace Chemical Protection Programme (WCPP). The rule also sets a strict exposure limit — just 0.03 parts per million (ppm) over an eight-hour workday. The EPA is now reviewing whether these measures are practical and if any updates are needed based on new evidence.
4. Who will be affected
The rule mainly impacts companies that manufacture, import, or process carbon tetrachloride in the United States. Industries using it as an intermediate chemical, environmental safety managers, and health professionals will all need to stay informed. The comment period allows them to highlight real-world challenges, compliance costs, or improvements they’ve made to limit exposure.
5. How to get involved
The EPA’s public comment process is open to everyone — from business owners to concerned citizens. Participants can share scientific data, workplace experiences, or policy suggestions through the Federal Register website before the submission deadline. Your feedback can influence the final version of the rule and shape how carbon tetrachloride will be regulated in the future.
Conclusion
The EPA’s call for comments on the Carbon Tetrachloride rule is a vital opportunity to strengthen chemical safety standards while ensuring fair and workable regulations for industry. Whether you’re part of the chemical sector, a health and safety officer, or an environmental advocate, now is the time to make your voice heard. The future of this regulation — and the safety of workers and communities — depends on informed public participation.
About OSHAssociation
The EPA’s move signals that the regulation of carbon tetrachloride is in flux. Whether you’re a manufacturer, regulator, safety specialist or stakeholder, now is the time to speak up. The outcomes could affect the chemical’s future use and workplace protections.
The Occupational Safety and Health Association (OSHAssociation) is an international organisation dedicated to promoting safety, health, and environmental awareness in workplaces around the world. Through its network of professionals, institutions, and training partners, it aims to reduce accidents, improve safety culture, and encourage best practices in occupational health.
OSHAssociation provides recognised certifications, professional memberships, and learning opportunities for individuals and organisations that want to strengthen their compliance with international safety standards.
