Lee Chemical is a superfund site located at Hwy 210 E Of Hwy 291, Liberty, MO 64068. The Environmental Protection Agency (EPA) identifies sites such as Lee Chemical 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. Lee Chemical is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Lee Chemical is considered one of the worst hazardous waste sites identified by the EPA.