A laboratory worker reports eye irritation and a strong smell while using formaldehyde. Which workplace control should be prioritised?
Correct answer: B. Improve local exhaust ventilation and keep containers closed
- A. Provide perfume to mask the chemical smell
- B. Improve local exhaust ventilation and keep containers closed
- C. Ask the worker to hold the container farther away
- D. Replace protective gloves with cotton gloves
Explanation
Local exhaust ventilation and closed containers reduce exposure at the source, which is higher in the control hierarchy than relying only on personal behaviour. Masking the smell does not remove formaldehyde, and cotton gloves are not an adequate chemical control.
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About Environmental Health and Sanitation
Environmental health examines how water, air, food, housing, waste, noise, chemicals and workplace conditions affect disease and well-being. Sanitation content includes safe water treatment and storage, sewage and solid-waste disposal, food hygiene, vector control and the distinction between personal cleanliness and broader public-health sanitation.
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