The US Environmental Protection Agency (EPA) published five final rules in January 2021 that cover five persistent, bioaccumulative and toxic (PBT) chemicals.
The chemicals and their uses are:
- 2,4,6-Tris(tert-butyl)phenol (2,4,6-TTBP) – an antioxidant in fuel additives and fuel injector cleaners as well as an additive in oil and lubricants
- Decabromodiphenyl ether (DecaBDE) – a flame retardant with applications in wire and cable rubber casings, textiles, electronic equipment casings, building and construction materials, and imported articles such as aerospace and automotive parts
- Phenol, isopropylated phosphate (3:1) (PIP 3:1) – a flame retardant in plastics and as a functional fluid in aircraft and industrial machinery
- Pentachlorothiophenol (PCTP) – a substance with applications in the rubber industry
- Hexachlorobutadiene (HCBD) – a solvent in rubber manufacturing and in hydraulic, heat transfer or transformer fluid
The final rules were published in the Federal Register (86 FR 866-932) on January 6, 2021. They amend Subpart E – Persistent, Bioaccumulative, and Toxic Chemicals to 40 CFR 751 on Regulations of Certain Chemical Substances and Mixtures Under Section 6 of the Toxic Substances Control Act (TSCA).
The revisions include a variety of provisions of which stakeholders should be aware. These include restrictions, prohibitions, record-keeping requirements, phase-in prohibitions for specific uses of DecaBDE and DecaBDE-containing products or articles, phase-in prohibitions for specific uses of PIP (3:1) and PIP (3:1)-containing products and articles, exemptions as well as downstream notifications for safety data sheets (SDSs) or the labeling of PIP (3:1) and PIP (3:1)-containing products.
The final rules came into effect on February 5, 2021. Stakeholders should review the original SGS SafeGuard 019/21 to learn more about the specifics of each final rule.
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