Nl Permanent Mold Castings is a superfund site located at Ruff Taylor Rd, Greenville, TN 37743. The Environmental Protection Agency (EPA) identifies sites such as Nl Permanent Mold Castings 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. Nl Permanent Mold Castings 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.