Toxicology Problem Set
Problem 2: Hazards and sources
One of the items below is a hazardous substance. Four are sources of a hazardous substances. Which one is a hazardous substance?
A. clogged furnace B. cigarette C. a dog D. paint applied before 1978 E. dust mite parts
The Biology Project
The University of Arizona
Tuesday, September 16, 1997
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