A) One substance from several sources, uses, e.g. products from different manufacturers (aggregated exposure); B) One registrant assesses several substances in a mixture; C) Mixture assessment: combined exposure and effect of different substances from different sources are taken into account. D) REACH could consider exposure of existing substances from other sources outside REACH (pharmaceuticals, biocides or pesticides).
Source: Hassold, Aust, Juffernholz, Leitner: Chemical Mixtures & REACH: A starting point, SETAC GLB Landau 2011
Download image (72.75 kB)