Question 1
Describe the difference between a Time-Weighted Average (TWA), Short-Term Exposure Limit (STEL) and a Ceiling limit (C). Provide examples of each to help demonstrate the difference between these OEL duration types.
Your response should be at least 200 words in length. References in APA format.
Question 12
Describe the potential health effects related to workplace exposure to benzene, hydrogen sulfide or lead. Be sure to provide information on the substance such as where it is used in industry, potential exposures, as well as the adverse effects, safe levels of exposure and potential controls.