Hartz is studying bisphenols (BPA, BPF and BPS), which are chemical compounds used in the production of polycarbonate plastics and epoxy resins. They're commonly found in water bottles. monticelllo, iStock/Getty Images Plus
Hartz is studying bisphenols (BPA, BPF and BPS), which are chemical compounds used in the production of polycarbonate plastics and epoxy resins. They're commonly found in water bottles. monticelllo, iStock/Getty Images Plus