Dan Leigh is a Technology Applications Manager for PeroxyChem Environmental Solutions. His primary focus is on application of biological, biogeochemical and chemical reduction technologies. He is a registered geologist and hydrogeologist and has over 30 years of professional experience in environmental assessment and remediation, primarily focused on biological and natural attenuation processes. He has over 27 years of experience in remediation of chlorinated organics. He has conducted site evaluation and remediation projects across the United States and Internationally. He has over 100 presentation and publications in technical areas including geology, hydrogeology, geochemistry, atoll island hydrogeology, natural attenuation, biogeochemical degradation, mechanochemical destruction of organic compounds, and in situ bioremediation of chlorinated and non-chlorinated organics.