1. Explain the role of the states in the regulation of hazar
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 permissibleexposure limit? Which one should be used when considering the toxicityof a spilled hazardous material?3. In a spill response operation, one of the basic operating principles isto not make the situation worse. Discuss a real or imagined spillscenario, and explain two or more actions that might make the situationworse4. Discuss how vapor density and vapor pressure contribute to the hazardsof a spilled or released hazardous material. Provide examples thatillustrate your points.