The official website of the Gulf Coast Ecosystem Restoration Council

Hazardous Substances

Fuel oils and Total Petroleum Hydrocarbons (TPH) are substances found in the Gulf as a result of the Deepwater Horizon oil spill. The Centers for Disease Control (CDC) provides extensive information on the hazards of these substances.


  • Fuel Oils ToxFAQs (Agency for Toxic Substances and Disease Registry, Centers for Disease Control and Prevention)

  • Fuel Oils Tox Profiles (Agency for Toxic Substances and Disease Registry, Centers for Disease Control and Prevention)

  • Total Petroleum Hydrocarbons (TPH) ToxFAQs (Agency for Toxic Substances and Disease Registry, Centers for Disease Control and Prevention)

  • Total Petroleum Hydrocarbons (TPH) Tox Profile (Agency for Toxic Substances and Disease Registry, Centers for Disease Control and Prevention)