Haley & Aldrich, Inc
Nadia has been investigating groundwater at sites impacted by radiological and non-radiological (or chemical) contaminants for almost 30 years. She as a bachelors in Geological Sciences from Cornell University and a Masters in Hydrogeology from the Oregon Graduate Institute. She is a licensed geologist in Georgia, Maine, Illinois and Florida and a Licensed Environmental Professional in Connecticut and is currently supporting the decommissioning at four nuclear power stations.
Nadia was the former chair of the American Nuclear Society (ANS) Decommissioning and Environmental Sciences Division and the former Vice Chair of ANS’s Northeast Section. She is also President of the Maine Professionals Chapter of Engineers without Borders (EWB) and earlier this year, she has completed her 14th EWB trip to improve public health in rural villages in developing countries, installing potable water systems and improving sanitation.
Using dye tracers to characterize tritium in groundwater: No news can be good news
Dye tracers have been used across industries to characterize groundwater regimes. However, at politically sensitive facility, the visual impacts of dyes may be feeds to public fears. Tritium is a common groundwater contaminant at Boiling Water Reactors (BWRs), that although allowed to be discharged via a monitored pathway, under the NRC, understanding release areas and migration pathways is critical to compliance and public assurance. Low levels of fluorene dyes may be used, that become diluted to several orders of magnitude below the visual spectrum to characterize potential releases. Modeling groundwater flow at nuclear plants are challenging as there are limited areas where wells can be installed within the power block, therefore flow is often inferred on a regional scale, obscuring flow around buried structures and deep basements.