Nutrien provides regular training sessions for its emergency response teams, which cover first aid, firefighting techniques, confined space rescue and other topics, and it has recently expanded its training to cover mental health. Courtesy of Nutrien

Responding to emergencies when friends, family and coworkers are involved can have a significant impact on mental health, said Katie Breeze, senior manager of safety and health at Nutrien, who has seen the toll it takes on her colleagues.