Part IV

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Shielding for beta particles may include which of the following:

What percentage of particles that are 30 microns in size typically reach the alveoli?

A _____ study identifies worker’s exposures and follows them over time to look for the onset of disease.

IH Chemistry:
Which analytical technique would best suit compounds with high boiling points (e.g. PAH’s, PCB’s, etc.)?

IH Sampling:
A rotameter _____ be placed between the sample media and the sampling pump.