Explain how the passage of the OSH Act in 1970 changed the way industrial hygienists (IHs) evaluated health hazards at facilities covered by the Act. 2. List two OSHA regulations that you believe are the most important for an IH when reducing the risk of health hazards in a workplace. Explain your reasoning for choosing the regulations. 3. List at least three forms of toxicology data that an IH can use to perform a risk assessment for an occupational chemical exposure. Explain how the three types of data can be used by an IH. 4. Discuss how you would manage initial and on-going industrial hygiene sampling at a facility if you did not have a fulltime IH on staff. How would you incorporate the IH program into an existing safety and health management system