The occupational nurse for a mining company is planning a class on the risks of working with toxic substances to comply with the 'Right to Know' law. Which information should the nurse include in the presentation? Select all that apply.

B Floors need to be clean and dust needs to be wet to prevent transfer of dust. C The air needs to be monitored at specific times to evaluate for exposure. A A client who smokes cigarettes has a drastically increased risk for lung cancer. D Surface areas need to be painted every year to prevent the accumulation of dust. E Employees should wear the appropriate personal protective equipment.