If the permissible exposure limit (PEL) is above 10%, what must you do?

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Prepare for the Damage Controlman (DC) A School Test with multiple choice questions, explanations, and study hints. Excel in your exam with thorough preparation!

Multiple Choice

If the permissible exposure limit (PEL) is above 10%, what must you do?

Explanation:
Convert percent to ppm by multiplying by 10,000. In exposure terms, 1% equals 10,000 ppm, so a PEL given as a percent must be scaled to ppm for consistent comparison. Therefore, if the PEL is above 10%, multiply the percentage by 10,000 to get the value in ppm (e.g., 12% becomes 120,000 ppm). Other operations don’t produce the correct ppm value and won’t reflect the proper exposure limit.

Convert percent to ppm by multiplying by 10,000. In exposure terms, 1% equals 10,000 ppm, so a PEL given as a percent must be scaled to ppm for consistent comparison. Therefore, if the PEL is above 10%, multiply the percentage by 10,000 to get the value in ppm (e.g., 12% becomes 120,000 ppm). Other operations don’t produce the correct ppm value and won’t reflect the proper exposure limit.

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