Asbestos exposure at a job site is a major health problem. Your chance of getting an asbestos–related disease depends on certain conditions called risk factors. The first risk factor is how much asbestos was in the air you breathed, or the “concentration.” The second risk factor is the cumulative length of all exposures or “duration.” The asbestos disease risk factors of concentration and duration establish a person's “dose”, which is a combination of concentration and duration.
Asbestos diseases follow a “dose–response” relationship curve. This means that the more asbestos you inhale (dose), the greater your risk of contracting an asbestos–related disease. Generally, your risk of getting sick increases with each dose. For example, if a person worked around asbestos for 5 years and someone else worked in the same job for 15 years and had an equal concentration of exposure, the person with 15 years of asbestos exposure has higher cumulative dose and therefore higher risk.
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