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Health Hazard Evaluation

Health Hazard Evaluation of Deepwater Horizon Response Workers: Final Report
Summarizes evaluations made during the course of the offshore and onshore HHE investigations and describes the conditions and characteristics encountered during the event.

Deepwater Horizon Roster Summary Report [PDF - 2,367 KB]

NIOSH Efforts to Protect Oil Cleanup Workers

	Cleanup workers picking up tar balls on a Florida beach

NIOSH protected oil cleanup workers with the following efforts:

  • Partnered with the Occupational Safety and Health Administration (OSHA) and National Institute of Environmental Health Sciences (NIEHS) to provide other federal and state partners, BP, and workers with guidance and educational materials for protecting response workers.
  • Conducted health hazard evaluations and surveillance of reported illnesses among workers involved in the Gulf response.
  • Developed a voluntary roster of workers to obtain a record of those who have participated and a mechanism to contact them about possible work-related symptoms of illness or injury, as needed.
  • Analyzed injury and illness data provided to NIOSH by BP safety officials to increase awareness of the risks associated with Gulf oil response work.

NIOSH research scientists are currently conducting toxicology studies on the dispersant used in the Deepwater Horizon response (Nalco Corexit 9500A), crude oil, and dispersant and crude oil mixtures. These chemicals and chemical mixtures are being tested for possible adverse health effects of pulmonary and dermal exposure. The information from these studies will help NIOSH and others develop recommendations for protecting workers from the potential effects of these chemicals and chemical mixtures. When completed, the results of these studies will be made available to the scientific community and the general public.


NIOSH Guidance

 Other NIOSH Resources

 Hazard Information

All Hazards


Chemical Dispersants

Chemical Hazards


Fuel Oils

Heat Stress



Poisonous Plants

Respiratory Protection


Stinging Insects


Sun Exposure

Other Government Resources

 Selected Publications