Harvard Ex Pbr 2 is a superfund site located at 3 Miles Nw Of Ainsley, Ansley, NE 68814. The Environmental Protection Agency (EPA) identifies sites such as Harvard Ex Pbr 2 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. Harvard Ex Pbr 2 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.