Occupational and Environmental Health 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What method was used for decontaminating the high school after the mercury spill?

The entire school was repainted

The other options are incorrect for various reasons. Option B mentions wet-mopping with a special solution, which may not be effective in completely removing mercury residues. Option C suggests only sealing off the chemistry lab, but the mercury spill may have spread to other areas of the school. Option D mentions installing air purifiers, which may not address the issue of contaminated surfaces. Overall, option A is the most comprehensive and effective method for decontaminating the high school after the mercury spill.

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Mercury residues were removed through wet-mopping with a special solution

Only the chemistry lab was sealed off from the rest of the school

Air purifiers were installed in every classroom

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