Hazard control evaluation strategies in the workplace occur frequently among industrial hygienists. Among the common strategies that I am familiar is engineering controls. Engineering controls rank third in the hierarchy of control but are possibly the most effective strategy of hazard control. The choice of this strategy mainly takes place where it is impossible or extremely difficult to use elimination and substitution methods. Furthermore, engineering controls feature as one of the most expensive techniques of reducing and eliminating the conditions that expose workers to hazards. When utilizing engineering controls, non-ventilation as well as ventilation strategies are considered. The overall idea behind ventilation as a measure of controlling exposures to occupational hazards is the removal of contaminated air and replacing it with fresh air in the workplace. Eliminating the contaminated air using ventilation can be achieved in various ways such as dilution or pass-through techniques. As the safety officer at a facility with high exposures to gases and vapors, I would recommend engineering controls as the primary control method. Although expensive, engineering controls effectively deal with air contaminants without requiring a change in the company processes. At the same time, the employees will be required to put on respiratory protection to avert exposures to the various chemicals. From my point of view, the material presented in this course has adequately prepared me for the workplace. I have gained knowledge on methods of evaluating hazards as well as devices used in measuring exposure to different hazards. I am well equipped with strategies of improving workplace conditions especially where employees are faced with high risks of exposure to hazards.
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