What are the distinctive features of the workplace as a setting where exposure to chemical and physical hazards occurs? What are the distinctive features of the workplace as a setting where exposure to chemical and physical hazards occurs? Post navigationPrevious post: When testing for chemical toxicity and saving human lives, most of us would agree that no shortcuts should be taken and no expense spared.Next post: You are a nurse in a Third World country in a small village of 150 people (adults and children – roughly equal in numbers).