How long can people be exposed to the TLV/STEL of a substance without ill effect?

a. 1 hour per day
b. Any exposure, no matter how short, may result in ill effects
c. 15 minutes
d. 8 hours per day, up to a maximum of 40 hours per week


Ans; c. 15 minutes

Health Professions

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Medical and Surgical is an example of a ________.

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