Table of Contents:

Selecting Controls

Selecting a control often involves evaluating and selecting temporary and permanent controls, implementing temporary measures until permanent (engineering) controls can be put in place, and implementing permanent controls when reasonably practicable. For example, suppose a noise hazard is identified. Temporary measures might require workers to use hearing protection. Long-term, permanent controls might use engineering to remove or isolate the noise source.

Risk Control

The key to risk control is to prevent exposure to those who could be at risk. In the workplace, it is not possible to have no exposure if anything is going to get done. It is important to limit the potential exposure or amount of exposure. The basic principles of protection from radiation exposure provide the foundation for risk control. The three elements of exposure control are distance, time, and shielding. Distance provides the best mechanism to prevent exposure. Distance can be physical distance or remote distance where robotics can provide the distance and limit the exposure. Time is an exposure limiter and a mechanism that allows employers to spread exposure over several workers. The time period of the work cycle that allows for minimal risk exposure to transpire is during a shift when fewer employees are present to be exposed. Often, second and third shifts are times when fewer workers are present. Shielding is frequently considered the least acceptable approach to risk control. Barriers or PPE should be the risk control of last resort. With occupational safety and health (OSH), other approaches to risk control are often employed.

 
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