I have 24 years of experience, and specialize in the field of environmental engineering with specific knowledge in the areas of environmental engineering, site remediation, and pollution engineering. I have published on such topics as fate and transport of hydrocarbons, air sparging, and soil venting and sustainability. I have testified on wood treating site remediation, Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) and Resource Conservationand Recovery Act (RCRA) regulation, and creosote and pentachlorophenol.