PE Problem #72

The worst expected symptoms for humans when concentration of carbon monoxide reaches 1600 parts per million is which of the following:
a. no adverse effects for up to 8 hours of exposure
b. dizziness after 45 minutes of exposure
c. nausea, headache, and dizziness after 20 minutes of exposure
d. unconsciousness and danger of death after 10-15 minutes of exposure

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Solution | Posted 09/16/19