John E. Boyer is an Environmental Scientist at the New Jersey Department of Environmental Protection in Trenton, New Jersey. John has worked with the NJDEP since 1988 providing technical support involving all aspects of site remediation. He is a principal in developing vapor intrusion (VI) policy for NJDEP, with particular emphasis on background contamination and work plan development. John is co-author of the NJDEP Indoor Air Sampling Guide for Volatile Organic Contaminants (1999) and the more recent NJDEP Vapor Intrusion Guidance (2005). He routinely presents on vapor intrusion issues at various conferences and seminars, including USEPA, Air & Waste Management Association, ASTSWMO, Rutger's University, American Petroleum Institute, and the International Conference on Contaminated Soils, Sediments and Water. In addition, John has written VI articles for publications that include the American Bar Association and EM (Environmental Managers). He has been Co-Team Leader for the Interstate Technology and Regulatory Council (ITRC) Vapor Intrusion team since its formation in 2004. John earned a bachelor's degree in biology from Belmont Abbey College in Belmont, North Carolina in 1980 and a master's degree in environmental science (human toxicology concentration) from Drexel University in Philadelphia, Pennsylvania in 1985.