Which respirator is most appropriate for protecting employees from exposure to h

Question

Which respirator is most appropriate for protecting employees from exposure to high levels of copper fume at a welding operation where the oxygen level is 19.6%? Select one: a. A full face piece air purifying respirator with cartridges approved for organic vapor and paint mist b. A full face piece air purifying respirator with cartridges approved for dust and mist c. A half mask air purifying respirator with cartridges approved for organic vapor and dust d. A half mask air purifying respirator with cartridges approved for dust and mist e. A single use air purifying respirator approved by NIOSH for dust, mist and fume

Explanation / Answer

For protecting people from fumes and mist during welding we need purifying respirator approved by the National Institute for Ocupational Safety and Health. So the option is (E)

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