Mass & Groundwater Flux

Mass and groundwater flux measurement quantifies contaminant mass discharge and groundwater flow across defined control planes, providing a robust basis for plume characterization, remedy evaluation, and long-term performance monitoring.

Title	Description	Download
iFLUX® Sampler – Groundwater & Contaminant Mass Flux Characterization	iFLUX® Samplers directly measure groundwater flow and contaminant mass flux at discrete depths, providing time-averaged data that improves conceptual site models, identifies preferential flow paths, and supports more targeted, cost-effective remediation design and performance monitoring.	View Download
iFLUX® Sampler Analytical Package	Summary of available iFLUX® analytical packages and compound lists for cartridge-based measurement of groundwater flux and contaminant mass discharge across a wide range of analyte classes, including petroleum hydrocarbons, chlorinated solvents, PFAS, metals, nutrients, 1,4-dioxane, and other contaminants	View Download
iFLUX® Sampler Technical Sheet	Technical overview of the iFLUX® passive flux meter for simultaneous, time-averaged measurement of groundwater flux (Darcy velocity) and contaminant mass flux. The document summarizes operating principles, analytical capabilities, sampler configurations, and applications for plume characterization and remediation performance monitoring.	View Download
PFAS Mass Flux	This technical brief describes the application of iFLUX® passive flux samplers for assessing PFAS mass flux in groundwater. The document explains how time-integrated measurements provide insight into contaminant mobility, plume dynamics, and containment performance, supporting improved site characterization, risk evaluation, and remediation decision-making at PFAS-impacted sites.	View Download