How the Hazardous Chemistry of Everyday Things Threatens Our Health and Well-being  1972:   DDT, an organochlorine pesticide, was banned 1976:   The Environmental Protection Agency (EPA) establishes the Toxic Substance Control        Act (TSCA) 62,000 chemicals were grandfathered in as being safe Two Chemicals have been banned 1978:   Polychlorinated Biphenyls (PCB) {Industrial insulators and precursors to dioxins […]