In January 2021，US EPA released final rules to 5 Chemicals that are persistent, bioaccumulative and toxic (PBT) under the Toxic Substances Control Act (TSCA).
These rules became effective on February 5, 2021, and will be implemented in phases from March 8.
The final rules for the 5 PBT chemicals as below:
Quy định an toàn/ Tương thích điện từ/ Viễn thông di động
Đánh giá, nghiệm thu hàng hóa
Thử nghiệm/ Hợp quy/ Tư vấn (Khu vực Bắc Mĩ)