美國持久性生物累積性及有毒（PBT）化學品根據TSCA第6(h)條款

1) (PIP (3.1)), pentachlorothiophenol (PCTP), hexachlorobutadiene (HCBD), and 2,4,6-tris(tert-butyl)phenol (2,4,6-TTBP). Under the regulatory requirements, businesses must phase out these chemicals, which are widely present in consumer products and industrial processes, to mitigate their long-term risks to public health and the ecological environment.