Joann Dyson Joann Dyson, Ph.D., is an Environmental Specialist with GHD in the Contaminated Assessment & Remediation service line and is located in Durham, North Carolina. Although new to GHD in 2019, she has been working at LNAPL-contaminated sites since 1999. Joann specializes in investigation and remediation of LNAPL sites, including investigation of soil, groundwater and vapor contamination, conceptual site model development, and remediation design for techniques such as excavation and multi-phase extraction. She has performed many risk-assessments at contaminated sites, determining the best solution for the site, client and regulatory agency. She has also been involved with special projects such as international LIF investigations; state terrorism preparedness, including WMD debris management; emergency response ICS training for cities, counties, and government agencies such as the Minnesota Pollution Control Agency (MPCA), and environmental conference presentations. Joann has been active in the ITRC since 2016 as a member of the LNAPL Update team and the Implementing Advanced Site Characterization Tools (ASCT) team. She received the 2017 Industry Affiliates Program (IAP) Award for contributions to the LNAPL Update team. Prior to environmental consulting, Joann was an Assistant Professor of Physics at Beloit College (1996-1998) and Gettysburg College (1994-1996). Joann earned a Bachelor of Science degree in physics from Wake Forest University in Winston-Salem, North Carolina in 1988 and a Ph.D. in physics from the University of Georgia in Athens, Georgia in 1994.