Train Carrying 20,000 Gallons of Hydrochloric Acid Derails, Leaks Max Read · 01/07/11 12:27AM Dozens of residents of Vernon Township, Mich. have been evacuated after a train carrying 20,000 gallons of hydrochloric acid derailed and began to leak. No injuries have been reported, but still! Hydrochloric acid! Yikes!