Division 3.4.2.2.2.1 F1

Human evidence for sub-category 1A can include:

1. (a)

   positive responses at ≤ 500 μg/cm ² (HRIPT, HMT — induction threshold);

2. (b)

   diagnostic patch test data where there is a relatively high and substantial incidence of reactions in a defined population in relation to relatively low exposure;

3. (c)

   other epidemiological evidence where there is a relatively high and substantial incidence of allergic contact dermatitis in relation to relatively low exposure.