Julie Chambon, Ph.D. (California) and Neal Durant, Ph.D. (Washington, D.C.) coauthored a technical guidance document recently published by the U.S. Navy (NAVFAC EXWC) entitled "Tools for Estimating Contaminant Mass-in-Place, Mass Discharge, and Remediation Timeframes."
The guidance document was written to support Navy Remedial Project Managers (RPMs) in their efforts to improve the accuracy of conceptual models for understanding contaminant distribution in the subsurface and quantitative estimates of remediation costs and timeframes. Soil and groundwater remediation programs are ongoing at many Navy sites; however, in some instances, remediation has been implemented without a reasonable estimate of the contaminant mass requiring treatment and the timeframe to achieve cleanup objectives. Tracking changes in contaminant mass and/or mass discharge over time can provide a valuable measure of remediation progress. This guidance document provides an overview of a variety of publicly available contaminant mass estimation tools including spreadsheet calculators, analytical models for natural attenuation and bioremediation, and numerical fate-and-transport models.
Julie is a Senior Professional based in California with a focus on groundwater modeling and remediation. She has been responsible for managing and supporting multiple projects that include remediation performance evaluation, groundwater monitoring, flow and transport modeling, and site investigation and characterization.
Neal Durant is a Senior Principal Consultant based in Washington, D.C. with more than 28 years of experience investigating, remediating, and managing complex contaminated sites.
The guidance document can be downloaded here: Tools for Estimating Contaminant Mass-in-Place, Mass Discharge, and Remediation Timeframes
Learn more about Julie: https://www.linkedin.com/in/julie-chambon-a29a61b/
Learn more about Neal: https://www.geosyntec.com/people/neal-durant