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12-04-2024
Chemistry

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Solve the IH Calculation problems in the document and show your work. A worker's 8-hour TWA exposure to methyl ethyl ketone was found to be 170 mg/m3.
a. Given a molecular weight of 72.12, what is the 8-hour TWA in ppm?
b. Does the measured TWA exceed the OSHA PEL? Why or why not?

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