Unocal Orcutt Tank Farm Tract 12631 is a superfund site located at 4620 Palomino Dr., Santa Maria, CA 93455. The Environmental Protection Agency (EPA) identifies sites such as Unocal Orcutt Tank Farm Tract 12631 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. Unocal Orcutt Tank Farm Tract 12631 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.