For the majority of known PBT chemicals their persistence/half-life has been extrapolated from other tests (such as the ‘ready test’) and as such they can't legally be said to meet the Annex XIII criterion.
For the majority of known PBT chemicals their persistence/half-life has been extrapolated from other tests (such as the ‘ready test’) and as such they can't legally be said to meet the Annex XIII criterion.