Minimum Safe Operating Temperature (MSOT) curves, also referred to as Minimum Pressurization Temperature (MPT) curves, are used to ensure that carbon steel equipment can safely operate when exposed to low temperature conditions. Common applications include the olefin and hydrocarbon processing industries where safety concerns created by auto-refrigeration may occur. MSOT curves are employed to determine which process conditions put equipment at risk of failure by brittle fracture. They are created by performing API 579 Part 3 assessments for all pressure-temperature conditions expected in service. Because of the number of calculations required, this has historically been an expensive, time consuming task. INSPECT automates this RAGAGEP procedure and shows how process conditions interact with the equipment’s Minimum Allowable Temperature (MAT).