Nelson And Sloan is a superfund site located at 7th & Main, Otay, CA 92011. The Environmental Protection Agency (EPA) identifies sites such as Nelson And Sloan 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. Nelson And Sloan is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.