TIMELINE: On the road to convincing the FDA to ban BPA
January 31, 2012 | 6:00 a.m. CSTBPA is a chemical used to make plastic more durable. It is found in plastic No. 3 and No. 7, which is used to make baby bottles among other baby products. It is also used in the production of some food cans. Frederick vom Saal, MU professor, has concerns about the effects of long-term exposure to BPA, especially for fetuses and young children.