JOHN P. HARTMANN is President of Hartmann Management Services, Inc., located in Barrington, Illinois. He is a past president of the Petroleum Equipment Institute and served as consultant to PEI in the development of three widely accepted industry standards: USTs, aboveground storage tank systems, and vapor recovery systems. In addition, he serves on three flammable liquid code technical committees of the National Fire Protection Association: tanks and piping, operations, and automotive and marine service stations.