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The US Environmental Protection Agency proposes to list five chemicals as TSCA high priority risk assessment substances
Time：
2024-08-05
The US Environmental Protection Agency (EPA) proposes to designate chemicals such as acetaldehyde, acrylonitrile, aniline, vinyl chloride, and MBOCA as high priority substances under Section 6 (b) of the Toxic Substances Control Act (TSCA).
The US Environmental Protection Agency (EPA) announced on July 24, 2024, proposing to designate five chemicals as high priority substances for risk assessment under Section 6 (b) of the Toxic Substances Control Act (TSCA).
1、 What is priority sorting?
Prioritization is the primary step for EPA to manage existing chemicals in the market. This ranking is not the result of a risk assessment. Once the EPA officially confirms the priority of these chemicals, a risk assessment will be conducted to determine whether they pose unreasonable risks to human health or the environment under the manufacturing and use conditions specified by TSCA. The EPA must complete this assessment within 3 to 3.5 years. If the assessment results show that a certain chemical does indeed pose unreasonable risks, EPA will initiate a risk management process and take measures to eliminate these risks.
2、 Chemical substances involved in the proposal
-Acetaldehyde (CAS number 75-07-0)
-Acrylonitrile (CAS number 107-13-1)
-Aniline (CAS number 62-53-3)
-Chloroethylene (CAS number 75-01-4)
-4,4 '- Methylene Bis (2-chloroaniline) (MBOCA) (CAS No. 101-14-4)
These chemicals are widely used in industrial production, and their potential health and environmental risks have attracted the attention of the Environmental Protection Agency.
3、 Expected impact
The EPA pointed out that this proposal will not have a direct incremental impact on individuals or entities outside the institution, so no assessment of potential incremental impacts has been conducted. However, this move may have indirect impacts on industries involved in the manufacturing, import, distribution, and use of these chemicals, and relevant companies and organizations need to pay attention to the results of subsequent risk assessments.
4、 Preparation for public comments
The EPA has opened a 90 day public comment period, encouraging stakeholders and the public to submit their opinions. When submitting comments, be careful not to submit confidential business information (CBI) via email or website, and clearly label all CBI content in accordance with EPA guidelines.
This proposal aims to protect public health and environmental safety, demonstrating its continuous efforts in chemical substance safety management. Manufacturers, distributors, users, environmental and public health organizations should closely monitor the progress and results of this risk assessment.
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