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US EPA plans to ban tetrachloroethylene (PCE) on a large scale
Time：
2023-07-22
US EPA plans to ban tetrachloroethylene (PCE) on a large scale
In July 2023, it was reported that following the ban on dichloromethane, the U.S. Environmental Protection Agency (EPA) recently proposed to ban [tetrachloroethylene (PCE)] from all consumer uses and most industrial and commercial uses, and formulated strict workplace protection measures to ensure that workers would not be injured by using PCE in other uses.
Most of the prohibitions proposed in this proposal may be implemented within [24 months], while dry cleaning uses will be phased out within 10 years.
Perchloroethylene (CAS RN 127-18-4):
The EPA completed its risk assessment in December 2020, and according to the February 2023 update of the US Toxic Substances Act (TSCA) Existing Substance List, the chemical is active in commercial activities in the US market.
Tetrachloroethylene has a wide range of uses, mainly including:
Consumer uses, such as brake cleaning agents and adhesives;
Commercial applications, such as dry cleaning and degreasing solvents;
Manufacturing other chemicals in industrial premises, such as HFC-125 and HFC-134a, for the production of hydrofluorocarbons (as these two hydrofluorocarbons can be used to manufacture climate friendly refrigerants, this PCE use will continue to be retained under strict control in the workplace).
According to previously released risk assessment information, PCE has neurotoxicity and carcinogenicity, and acute and chronic inhalation as well as skin contact can have significant adverse effects on human health. It can be seen that in addition to the risk of harm in industrial settings, long-term exposure to PCE can also harm the health of consumers.
To this end, the risk management rules proposed by the EPA will quickly reduce the manufacturing, processing, and distribution of PCE, including all consumer uses and most industrial and commercial uses.
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