Chem Dyne is a superfund site located at 500 Ford Blvd, Hamilton, OH 45011. The Environmental Protection Agency (EPA) identifies sites such as Chem Dyne because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Chem Dyne is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Chem Dyne is considered one of the worst hazardous waste sites identified by the EPA.