Lewis v. Citgo Petroleum Corp.

KANNE, Circuit Judge.

Plaintiffs-appellants Michael Lewis and Tammy Livingston claim to have been injured when they were exposed to hydrogen sulfide gas while working at a refinery operated by the defendant, CITGO Petroleum Corp. They sued CITGO under theories of negligence, which required them to prove that the exposure caused compensa-ble injuries. On the defendant’s motion for summary judgment, the district court found expert testimony offered by the plaintiffs on the element of causation to be inadmissible. Absent admissible proof of causation, the district court then granted summary…