INSTRUMENT CORROSION MAY BE INEVITABLE IN PROCESS PLANTS, OWING TO THE ACTIONS OF AGENTS IN THE VESSELS AND PIPES AS WELL AS IN THE ATMOSPHERE. USERS, DESIGNERS, AND VENDORS CAN SELECT MATERIALS, SPECIFY MANUFACTURING PROCEDURES, CONFIGUREFACILITIES, AND CONDUCT MAINTENANCE PROGRAMS THAT WILL MINIMIZE THE CONSEQUENCES OF CORROSION-RELATED CONTAINMENT AND FUNCTIONAL FAILURES.