safe practice of using hazardous substances
If exposure cannot be prevented, it must be adequately controlled. [ The hierarchy of control measures can be summarised as follows.
Don?t use the hazardous substance or avoid the procedure which causes exposure.
Change the material or working practice to one less hazardous.
Enclose the hazardous substances or process in a closed system.
Control exposure to
the hazardous substance by using one of the following methods:
Engineering Controls: Control the exposure at source with local exhaust ventilation or increased dilution ventilation to lower concentrations in the atmosphere.
Procedural Controls: Reduce the numbers exposed or the time spent on the procedure, carry it out in specified areas and carry out routine monitoring and health and medical surveillance if needed.
Personal Protective Equipment: Provide gloves, impervious aprons or overalls and/or respiratory protection to minimise the effects of exposure to hazardous substances ]
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