James W. Hatton is a principal technologist and senior engineer in Jacob's environmental remediation group in Englewood, Colorado. Jim has over 30 years of applied engineering experience at a wide variety of sites, addressing the investigation and remediation of emerging contaminants, chlorinated volatile organic compounds, metals, and petroleum. Mr. Hatton has worked with 1,4-dioxane since 1988, beginning at polyester manufacturing plants and has spent over 30 years investigating and remediating this compound.  His efforts include understanding the fate and transport of 1,4-dioxane and its potential for degradation and in situ and ex situ treatment by oxidation, biological and adsorption technology.  Mr. Hatton supports Jacob's emerging contaminants program and is the lead remediation engineer for programs addressing 1,4-dioxane and PFAS treatment in groundwater. Mr. Hatton is a co-author of Environmental Investigation and Remediation: 1,4-Dioxane and Other Solvent Stabilizers (Second Edition). Mr. Hatton received his BS in petroleum engineering from West Virginia University in Morgantown, West Virginia.