About the editors PHILIP A. MARCUS, Vice President of ICF Kaiser International, is aU.S. Delegate to ISO 14000 Technical Committee 207 and serves onthe environmental management systems subcommittee. He is a memberof the U.S. panel that interprets the ISO 14001 EMS specificationsand the 14004 EMS guidance standards. JOHN T. WILLIG is the editor of Environmental Quality Managementjournal. He has edited a number of previous books on environmentalmanagement, including Auditing for Environmental QualityLeadership, also available in the Wiley Series in EnvironmentalQuality Management.