Which of the following explains why some occupational health specialists are very concerned about chemicals in the workplace? (Select all that apply.)

Question

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Of the approximately 2 million known chemicals in existence, less than 0.1% have been adequately studied for their effects on humans. Most chemicals have not been studied epidemiologically to determine the effects of exposure on humans. A variety of chemicals are found in the body tissues of the general population. Daily, low-level doses of chemicals may be below the exposure standards but may still carry a potentially chronic and perhaps cumulative assault on workers' health. Predicting human responses to such exposures is further complicated because several chemicals are often combined to create a new chemical agent. Human effects may be associated with the interaction of these agents rather than with a single chemical. Another concern about occupational exposure to chemicals is reproductive health effects.

Which of the Following Explains Why Some Occupational Health Specialists