What is the least desirable type of risk control to use?

The least desirable type of risk control is personal protective equipment (PPE). This is because PPE is considered a last line of defense against hazards. It requires that individuals wear protective gear to mitigate the effects of exposure to risks, rather than eliminating or reducing the risks at the source.

Using PPE relies heavily on human behavior and compliance, as individuals must remember to use it correctly and consistently. Additionally, PPE does not address the underlying hazards, meaning that risks still exist in the environment and can still cause harm if proper precautions are not taken. On the other hand, other forms of risk control, such as engineering controls or administrative controls, aim to modify the environment or work processes to reduce the inherent risks before they reach the individual, providing a more effective approach to risk management.

Thus, while personal protective equipment is important in an overall safety strategy, it is not as effective as other risk management measures that focus on eliminating the hazards themselves.