Tonolli Corp is a superfund site located at Rte 54, Nesquehoning, PA 18240. The Environmental Protection Agency (EPA) identifies sites such as Tonolli Corp 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. Tonolli Corp is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Tonolli Corp is considered one of the worst hazardous waste sites identified by the EPA.