This case involves a number of workers who claimed that they were exposed to a number of highly toxic substances during their employment at a large petroleum processing facility. The facility in question was undergoing an extensive modernization refit throughout the period during which the alleged exposure occurred, during which time it was claimed that the facility’s fume management system was not functioning properly. The workers alleged that the system was not functioning correctly for several months, during which time they were exposed to high levels of toxic chemicals. The Plaintiffs in this case began to experience a number of neurological symptoms while working at the facility, including depression, balance issues, and numbness and tingling in their extremities. It was alleged that the refinery failed to adequately safeguard worker safety during the modernization program.