The United States Environmental Protection Agency (EPA) is looking to fast-track a risk evaluation for five PBT substances. The substances include decabromodiphenyl ether (DecaBDE) and hexachlorobutadiene (HCBD), both of which are considered Persistent Organic Pollutants (POPs) and listed on the Stockholm Convention. The remaining substances are pentachlorothiophenol, tris(4-isopropylphenyl) phosphate, and…