Newhall Refining Company Inc is a superfund site located at 22674 N Clampill Rd, Newhall, CA 91321. The Environmental Protection Agency (EPA) identifies sites such as Newhall Refining Company Inc 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. Newhall Refining Company Inc 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.