The U.S. Environmental Protection Agency (EPA) has finalized a Toxic Substances Control Act (TSCA) risk-management rule for carbon tetrachloride (CTC), citing unreasonable risks to workers in certain industrial applications. The action bans discontinued uses, maintains safety requirements for ongoing applications, and strengthens worker protection measures.
Banned and Restricted Uses
The rule prohibits certain previously allowed uses, including:
• Metal recovery processes
• Fuel additive applications
Allowed uses are strictly regulated under safety programs.
Stricter Worker Safety Requirements
For permitted uses of CTC, regulated entities must implement a Workplace Chemical Protection Program (WCPP), which includes:
• Inhalation exposure limits
• Measures to minimize dermal contact
• Monitoring and control procedures in industrial environments
Current Permitted Uses of Carbon Tetrachloride
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Future Rule Review
EPA announced it will reopen the rule for reconsideration, launching a public comment period to evaluate feasibility and implementation of workplace exposure standards. This could lead to adjustments in compliance requirements for regulated industries.
Compliance Steps for Industry
Companies manufacturing, importing, or using carbon tetrachloride should:
• Terminate prohibited uses immediately
• Implement mandatory workplace controls for ongoing uses
• Monitor EPA updates for potential revisions and public comment opportunities
The EPA’s rule reflects an ongoing focus on chemical safety and occupational health protections under TSCA.
Reference: EPA Risk Management for Carbon Tetrachloride
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