United States v. Transocean Deepwater Drilling, Inc.

REAVLEY, Circuit Judge:

Transocean Deepwater Drilling, Inc. appeals from the district court’s order enforcing administrative subpoenas issued by the Chemical Safety and Hazard Investigation Board in connection with an investigation following the disaster on the Deep-water Horizon drilling unit in the Gulf of Mexico. Transocean contends that the subpoenas should have been quashed because the Board lacks authority to investigate the incident. We AFFIRM the district court’s judgment.

*488I.

On April 20, 2010, a blowout, explosion, and fire occurred during drilling operations at the Macondo lease site…