The Environmental Protection Agency is seeking input through Sept. 11 on a proposal that would prohibit the manufacture (including import), processing, distribution in commerce, and industrial/commercial use of carbon tetrachloride (CTC) for conditions of use where information indicates that such use has already been phased out. The proposal would also establish workplace safety requirements for most conditions of use (including the condition of use related to the making of low global warming potential hydrofluoroolefins) and establish recordkeeping and downstream notification requirements.
The EPA states that CTC is a volatile organic compound that is primarily used as a feedstock (i.e., processed as a reactant) in the making of products such as refrigerants, aerosol propellants, and foam-blowing agents. The Toxic Substances Control Act requires that the EPA address by rule any unreasonable risk of injury to health or the environment identified in a TSCA risk evaluation and apply requirements to the extent necessary so that the chemical no longer presents an unreasonable risk. The EPA has determined that CTC presents an unreasonable risk of injury to health due to cancer from chronic inhalation and dermal exposures and liver toxicity from chronic inhalation, chronic dermal, and acute dermal exposures in the workplace.
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