My Site has PFAS! Time to Go Back to the Drawing Board
Blaine Dawson, P.G., Project Geologist, Geosyntec Consultants
When evaluating sites for emerging contaminants after historical assessment and remediation activities have been completed, it is important to take a step back and update the conceptual site model (CSM). This presentation will highlight how current PFAS site assessment data can be inconsistent with previous CSMs for a site and will demonstrate the need for thorough record reviews and consideration of additional tools such as forensics to support the identification of potential source(s) of PFAS.
Blaine has been involved in a variety of field activities to assess contaminant impacts to groundwater, surface water, soil, sediment, and soil air gas throughout Florida and Southern Georgia. Blaine has experience in CSM development via lithologic characterization, multimedia sampling, aquifer testing, and pilot testing. Blaine has completed numerous site assessments and remedial implementations in accordance with 62-780, F.A.C., including multiple PFAS-affected sites.