Figure 7From: Derivation of occupational exposure levels (OELs) of Low-toxicity isometric biopersistent particles: how can the kinetic lung overload paradigm be used for improved inhalation toxicity study design and OEL-derivation?Predicted retention-related NOAELs (MoA II -based) of respirable ultrafine (UF)/pigmentary (P)-TiO 2 at exposure durations up to 1 year (for further details see [[4],[36]] ).Back to article page