TSCA

toxic Quality Control Act (TSCA), by the Buddha Rank·R· the Lautenberg Chemical Safety Act is amended to require the Environmental Protection Agency (EPA） publish a final rule to reduce the need for specificsPBT exposure to chemicals. PBT chemicals are persistent, biological<span style="font-family: 'Microsoft JhengHei',sans-serif; mso-bidi-font-family: 'Microsoft JhengHei'; "> accumulation and toxicity, there may be a potential risk to exposed populations. These chemicals accumulate in the environment over time, so it is necessary to minimize exposure.

to be TSCA compliant，EPA published in 2021 1 month6 the final rule to reduce pairsPBT exposure to chemicals. 2022 year 3 month,EPA issued another final rule that would prohibit processing and distribution, as well as one of the PBTs chemicals – cumene phosphophenolester (3:1) (PIP（3:1The <span style="font-family: 'Microsoft JhengHei',sans-serif; mso-bidi-font-family: 'Microsoft JhengHei';" >has been extended to 2024 10 month31. This is based on EPA in 202110 days public Details provided during the comment.

the following is TSCA p. 6(h) the five under sectionPBT Chemicals:

• Decabromodiphenyl ether (DecaBDE）
• phenol isopropionate ester (3:1）（PIP（3:1））
• 2,4,6-Tris(tert-butyl)phenol (2,4,6-TTBP).
• vi chloroprene (HCBD）
• five chlorothiophenol (PCTP）

according to TSCA 5(a)(2) EPA Yes issue significant new use rules for existing chemicals (SNURs), which requires a chemical substances and mixtures before they are used in new ways may raise concerns. SNURs can be used to regulates the manufacture, handling, commercial distribution, and disposal of chemicals.

Once EPA determine The use of chemicals is a significant new use, TSCA Section 5(a) requires at least 90 before the chemical is manufactured (including imported) or handled for that purpose days ago, the individual must must be toEPA submit a Significant New Use Notice (SNUN）。

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