In January 2021, the U.S. Environmental Protection Agency (EPA) issued the final rules for the control of hazardous substances, in order to reduce exposure to substances, mixtures or articles that containing persistent, bioaccumulative and toxic (PBT). These five substances include decabromodiphenyl ether (DecaBDE), phenol, isopropylated phosphate (3:1) (PIP (3:1)), 2,4,6-Tris(tert-butyl)phenol (2,4,6-TTBP), hexachlorobutadiene (HCBD), pentachlorothiophenol (PCTP). The rules ...