There is no evidence that people in Michigan who were exposed to higher levels of PBBs are more likely to get cancer. Animals treated with PBBs have developed liver tumors. There are tests to find out if PBBs are in blood, body fat, and breast milk. These measurements cannot show the exact amount or type of PBBs you were exposed to or for how long you were exposed. These tests do not predict whether you will experience harmful health effects.
Blood tests are the best method for detecting recent exposures to large amounts of PBBs.
These tests are not routinely available at your doctor s office because they require special equipment to complete them. There are no federal guidelines or recommendations for protecting people's health from exposure to PBBs. A substance that can cause cancer. U.S. Department of Health and Human Services, Public Health Service. Their specialists can recognize, evaluate, and treat illnesses resulting from exposure to hazardous substances.