This process forms part of the further information gathering process where an exposure is said to be uncertain. This also applies to qualitative exposure is said to be acceptable or unacceptable. It usually involves exposure monitoring, exposure modelling and biological monitoring. Data generated can then be compared to Occupational Exposure Limits (OELs) to determine compliance of organizations, and to support medical or health services towards the implementation and maintenance of various control measures in reduces the risks of workers exposures.