Respondent owns and operates an agricultural chemical manufacturing facility. On November 2, 2017, Respondent had an accidental release of chlorine at the Facility. Respondent determined the amount of chlorine released to be 0.014 pounds and reported that the release occurred when hooking up a rail car containing chlorine in which an unloading valve was inadvertently opened when Respondent’s employees were positioning flanges to ensure proper alignment for a good seal during unloading operations. The release resulted in injury to two employees.