7.2 Hazard Rating Determination
For the purpose of assigning a hazard rating, chemicals hazardous to health need to be
categorised into two groupings based on systemic effects and local effects. These
groupings are meant to separate those chemicals that may be absorbed into the body
and causing damage to organs or systems of the body and those that may cause effect
at the site of contact either on the skin or eyes.
The procedure to assign a hazard rating to a pure chemical or a preparation containing
a mixture of chemicals is as follows: -