The symposium on the Corrosion Effect of Stray Currents and the Techniques for Evaluating Corrosion of Rebars in Concrete was presented at Williamsburg, VA, 28 Nov. 1984. The symposium was sponsored by ASTM Committee G01 on Corrosion of Metals. Victor Chaker, Gilbert Associates, Inc., presided as chairman of the symposium and is editor of this publication.