National Priority List (NPL) SitesADAK NAVAL AIR STATION
Adak, Aleutian Islands
Military operations dating from the Second World War resulted in a variety of releases. Observed contaminants include petroleum-related chemicals, PCBs, metals, chlorinated solvents and explosives.
A salvage operation; operations included recovering metals from transformers and batteries. Observed contaminants include trichloroethene, PCBs, and lead.
EIELSON AIR FORCE BASE
Observed contaminants include lead, benzene, toluene, trichloroethene, and xylene.
ELMENDORF AIR FORCE BASE
Investigations have focused on 33 different areas, including maintenance areas, underground storage tanks, and landfills. Observed contaminants include petroleum hydrocarbons and other fuel contaminants, VOCs, PAHs, PCBs, pesticides, asphalt and associated chemicals, and heavy metals including lead.
FORT RICHARDSON (US ARMY)
Investigations and remedial activities at the base focus on five "operable units" or work areas, each with sub-units. These include disposal areas, maintenance areas, and impact areas. Observed contaminants include white phosphorous, VOCs, heavy metals, PCBs, and chlorinated solvents.
There are several areas of concern at the base. Observed contaminants include solvents, petroleum products, pesticides, lead and PAHs.
SALT CHUCK MINE
Prince of Wales Island
A former gold, silver, copper, and palladium mine. Observed heavy metals include arsenic, copper, mercury, and silver.
Other Superfund SitesANCHORAGE TERMINAL RESERVE
KETCHIKAN PULP COMPANY
Observed contaminants included lead, PCBs, arsenic, petroleum compounds, and 4-methylphenol.
Delisted Superfund SitesALASKA BATTERY ENTERPRISES
Battery recycling facility that dumped battery acid on the ground, and buried used battery casings. The principal observed contaminant was lead. Removal and treatment of impacted media led to deletion of the site from the NPL in 1996.
STANDARD STEEL & METALS SALVAGE YARD (USDOT)