Question: Remember, the various exposure limits set for certain contaminants does not represent no exposure. In this module we discussed aerosols, which include dusts and fibers.

Remember, the various exposure limits set for certain contaminants does not represent no exposure. In this module we discussed aerosols, which include dusts and fibers. The PEL for coal dust is 2 mg/m3 and the PEL for asbestos is 1 f/cc. Assume a worker inhales 10m3 of air per workday. How much coal dust and how many asbestos fibers will a worker inhale

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