Elimination
The most protective control strategy is to eliminate the hazard. The idea is that if you don't have a hazard, you can't get injured from it. While elimination is the most effective at preventing exposure, it also tends to be the most difficult to implement in an existing process.
If the oil and gas project is still at the design or development stage, elimination of hazardous conditions and substitution of hazardous substances may be much less expensive and therefore more feasible to implement. For an existing process, expensive major changes in equipment Can and procedures may be required to eliminate or substitute for a hazard.
Substitution
The next best control measure is to substitute something else in its place that would be non-hazardous or less hazardous to workers. For example, a non-toxic (or less toxic) chemical could replace toxics chemicals.
Knowledge Check Choose the best answer for the question.
5-2. When is it less expensive and more feasible to eliminate hazardous conditions at the wellsite?
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