Updated July 12 2023
Chemicals are potentially PBT when they do not have the capacity to degrade rapidly in the environment, they may bioaccumulate all along trophic chains and they have hazardous properties to the organisms.
PBT substances are regulated in several areas in the world, but the criteria and threshold values are not harmonised.
Policies on PBT / vPvB substances in EU, Asia and North America: