The Texaco Sunburst Works Refinery (Facility), on the southern and western edges of Sunburst, is an inactive 380-acre oil refinery that Texaco operated from 1924 until 1961. The refinery primarily produced leaded gasoline of various grades. Polynuclear aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs), metals (mostly lead), free product, and petroleum hydrocarbons are present in the soil and groundwater at the Facility. The Facility is currently in the risk assessment phase. DEQ has not yet issued a Record of Decision for the Facility.