23 new existing chemical substances added to the TSCA directory under the US Toxic Substances Control Act
Time:
2024-03-06
The US Environmental Protection Agency (EPA) has updated the Toxic Substances Control Act (TSCA) directory for the first half of 2024, adding 23 existing chemicals.
On February 22, 2024, the US Environmental Protection Agency (EPA) updated the Toxic Substances Control Act (TSCA) directory for the first half of 2024.
The updated TSCA directory contains a total of 86741 chemical substances, of which 42293 are classified as active substances.
Compared to the list in August 2023, this update has added 23 existing chemical substances. The TSCA directory is updated twice a year to ensure timely updates and accuracy of chemical substance information.
The next update is expected to take place in the summer of 2024, and we will continue to provide you with the latest information on the TSCA directory.

Where should enterprises go after being listed as active substances?
TSCA (Toxic Substances Control Act) is an environmental protection law in the United States aimed at protecting public health and the environment. It achieves this goal by regulating the production, import, and use of chemical substances. When TSCA classifies a chemical substance as an active substance, it indicates that the substance is considered in use in the US market and is therefore subject to specific regulatory requirements.
For chemical substances listed on the TSCA active list, companies exporting to the United States need to take the following measures:
1. Chemical Data Reporting (CDR) For Chemical Data Reporting (CDR), if a company's annual production or import volume at any location exceeds 25000 pounds (approximately 11.3 tons), it must submit an electronic report to the EPA through the e-CDRweb online system. According to TSCA requirements, CDR reports must be submitted every four years, and the latest report submission date is 2020.
2. Important New Use Declaration (SNUR) According to TSCA regulations, any application for significant new uses of a specific chemical substance must be submitted to the EPA at least 90 days in advance. This pre application allows the EPA sufficient time to assess the potential environmental and health risks associated with the new use, and to take action as necessary to restrict or prohibit the use.
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