Report: APP CMHS Project 4

CSIRO advises that the information contained in this comprises general statements based on scientific research. The reader is advised and needs to be aware that such information may be incomplete or unable to be used in any specific situation. No reliance or actions must therefore be made on that information without seeking prior expert professional, scientific and technical advice. To the extent permitted by law, CSIRO (including its employees and consultants) excludes all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this publication (in part or in whole) and any information or material contained in it.

2.1.9. Hierarchy of Control

The primary purpose of conducting a risk assessment is to determine the requisite controls that will ensure the level of risk is as low as achievable or practical. A criterion for considering whether the risk is at a suitable level is referred to as the hierarchy of control – nominally five levels of control measure (Table 7).

Table 7 Control measures

Control measure



Removal of the hazard completely


Replacing one hazard with one of lesser potential, e.g. replacing lead-based paint with water-based


Providing an engineered control to a hazard, e.g. fitting guards to rotating machines


Developing procedures to manage a task


(Personal Protective Equipment) The use protective items or clothing that provide a last line of defence between a person and an energy source

APPgate Quick Search

APPgate Partners

APPgate is a collaborative effort of many of the coal producing nations of the Asia Pacific Region:






Republic of Korea



©2021 APPgate