This collection contains 10 papers presented at the ACI Spring Convention, Dallas, TX, March 2012, and sponsored by ACI Committee 222, Corrosion of Metals in Concrete. The papers cover a variety of subject areas, including mechanism of corrosion of reinforcing steel in concrete, identifying, investigating, and quantifying corrosion, corrosion control measures for new and existing structures, and innovative materials and testing techniques. Engineers, scientists, researchers, inspectors, technicians, academics, materials manufacturers, and suppliers will all benefit from this SP