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Online & Offline InspectionsOnline inspections typically consist of ultrasonic shell crawler runs, ultrasonic roof measurements, shell settlement evaluation (differential versus planar) with API-653 or EEMUA 159 visual external inspection. Offline inspections typically consist of MFL (Magnetic Flux Leakage) Floormap of the tank bottom plates with API-653 or EEMUA 159 visual internal inspection. |