If it is not possible to identify a NOAEL, the lowest dose/concentration associated with an adverse effect, i.e., the lowest-observed-adverse-effect level (LOAEL), shall be identified.
Če NOAEL ni mogoče ugotoviti, se ugotovi najnižji odmerek/koncentracija, ki je povezana s škodljivim učinkom, tj. najnižja raven z opaznim škodljivim učinkom (LOAEL).