Research a carcinogen that can be classified as either an environmental or occupational toxicant that has had relevance in the news within the last five years.

In your paper, analyze and briefly summarize the situation that brought the carcinogen to newsworthy status. Discuss the exposure limits of this carcinogen, and how individuals were exposed. Also, discuss the toxicological effects that were not only observed, but all of the possible effects of this agent.Briefly discuss the models used for assessing cancer risks.