Nitrogen Asphyxiation Incident at the Valero Refinery Source: AIChE Duration: 12 minutes Skill Level: Basic Type: Academy VideoLanguage: English Share This Post: 5/6 in the series Safety and Chemical Engineering Education: Accidents and Prevention One of the most widely experienced hazards of Nitrogen for the process industries is its role as an asphyxiant. To learn more about the incident at the Valero Refinery and how it could have been prevented, please visit SAChE’s Nitrogen’s Role in Safety Certificate Program at www.aiche.org/ela910