The National Transportation Safety Board (NTSB) launched a team Wednesday to investigate the breach of a rail tank-car and subsequent release of 17,000 gallons of chlorine Saturday at a facility in New Martinsville, West Virginia.

The probable cause of the 2015 collision of the Conti Peridot and the Carla Maersk in the Houston Ship Channel was the inability of the pilot on the Conti Peridot to respond appropriately to hydrodynamic forces after meeting another vessel during restricted visibility, and his lack of communication with other vessels about this handling difficulty controlling his vessel, said the National Transportation Safety Board.

Environmental health practitioners may perform critical functions during emergency response and recovery, such as conducting shelter assessments, testing drinking water supplies, performing food safety inspections, and controlling disease-causing vectors.