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Assessment of the Equivalence of Technical Materials - European ...

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Appendix Ib: Evaluation and decision making scheme in <strong>the</strong> perspective <strong>of</strong> toxicologicalassessmentTier INew technical a.s. isequivalent<strong>Equivalence</strong> cannot beestablished based onTier I criteriaNew technical a.s. isnot equivalentObviously non-toxic ?yesImpurity indicatesequivalence <strong>of</strong>technical a.s.Tier IInoyesSubstance <strong>of</strong> particular concern?nono dataavailable to decideNeed forfur<strong>the</strong>r dataqualitativeconcern(Eco)toxicological assessmentbased on existinginformation/data, (Q)SARsnoconcern(optional)poor data baseyesExposure < TTC ?noIs <strong>the</strong>re an acceptable maximumlevel without concern ?noyes (specify)Is <strong>the</strong> acceptable maximumlevel exceeded ?noyesIs <strong>the</strong> toxicological pr<strong>of</strong>ile <strong>of</strong> <strong>the</strong>technical a.s. changed to anunacceptable extent ?yesnoImpurity indicatesnon-equivalence<strong>of</strong> technical a.s.19

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