Presto Chemical Corporation is a superfund site located at Us Rte 40 (p.o. Box 95), New Concord, OH 43725. The Environmental Protection Agency (EPA) identifies sites such as Presto Chemical Corporation 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. Presto Chemical Corporation is currently registered as an Active superfund site by the EPA. However, it is not on the NPL (National Priorities List), which means the EPA does not consider it one of the nation's most hazardous waste sites.