Science Homework Help

1. Explain the role of the states in the regulation of hazardous material spills and releases under DOT, EPA, and OSHA.

2. What are the differences between threshold limit value and permissible
exposure limit? Which one should be used when considering the toxicity
of a spilled hazardous material?

3. In a spill response operation, one of the basic operating principles is
to not make the situation worse. Discuss a real or imagined spill
scenario, and explain two or more actions that might make the situation
worse

4. Discuss how vapor density and vapor pressure contribute to the hazards
of a spilled or released hazardous material. Provide examples that
illustrate your points.