Persistence of uranium groundwater plumes: contrasting mechanisms at two DOE sites in the groundwater–river interaction zone
We examine subsurface uranium (U) plumes at two US Department of Energy sites that are
located near large river systems and are influenced by groundwater–river hydrologic …
located near large river systems and are influenced by groundwater–river hydrologic …
Contaminant mass discharge to streams: Comparing direct groundwater velocity measurements and multi-level groundwater sampling with an in-stream approach
V Rønde, US McKnight, AT Sonne, N Balbarini… - Journal of contaminant …, 2017 - Elsevier
Quantitative knowledge of contaminant mass discharge is useful when assessing the risk
posed to streams by point sources. However, due to a multi-directional flow field at the …
posed to streams by point sources. However, due to a multi-directional flow field at the …
Long-term mass flux assessment of a DNAPL source area treated using bioremediation
AA Haluska, CE Schaefer, J Cho, GM Lavorgna… - Journal of contaminant …, 2019 - Elsevier
This study assessed the long-term effectiveness of bioremediation as a remedial strategy for
a chlorinated, ethene dense, non-aqueous phase liquid (DNAPL) source area, consisting of …
a chlorinated, ethene dense, non-aqueous phase liquid (DNAPL) source area, consisting of …
Assessment of Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Mass Flux and Distributions in a Lake System Using Sediment Bed Passive Flux Meters and …
A Haluska, A Meder, B Susset, K Röhler… - Groundwater …, 2024 - Wiley Online Library
Per‐and polyfluoroalkyl substances (PFAS) are persistent in the environment due to their
chemical stability and can spread quickly in a lake system due to mixing. Passive samplers …
chemical stability and can spread quickly in a lake system due to mixing. Passive samplers …
Field demonstration and evaluation of the Passive Flux Meter on a CAH groundwater plume
G Verreydt, MD Annable, S Kaskassian… - … Science and Pollution …, 2013 - Springer
This study comprises the first application of the Passive Flux Meter (PFM) for the
measurement of chlorinated aliphatic hydrocarbon (CAH) mass fluxes and Darcy water …
measurement of chlorinated aliphatic hydrocarbon (CAH) mass fluxes and Darcy water …
A stochastic model for estimating groundwater and contaminant discharges from fractured rock passive flux meter measurements
Ö Acar, H Klammler, K Hatfield… - Water Resources …, 2013 - Wiley Online Library
Estimation of water and contaminant discharges is an important hydrological problem.
Fractured rock aquifers are recognized as highly complex flow and transport systems, and …
Fractured rock aquifers are recognized as highly complex flow and transport systems, and …
Expanded application of the passive flux meter: In-situ measurements of 1, 4-dioxane, sulfate, Cr (VI) and RDX
AA Haluska, MS Thiemann, PJ Evans, J Cho… - Water, 2018 - mdpi.com
Passive flux meters (PFMs) have become invaluable tools for site characterization and
evaluation of remediation performance at groundwater contaminated sites. To date, PFMs …
evaluation of remediation performance at groundwater contaminated sites. To date, PFMs …
The uncertainty of mass discharge measurements using pumping methods under simplified conditions
X Chen, MC Brooks, AL Wood - Journal of contaminant hydrology, 2014 - Elsevier
Mass discharge measurements at contaminated sites have been used to assist with site
management decisions, and can be divided into two broad categories: point-scale …
management decisions, and can be divided into two broad categories: point-scale …
Method for assessing source zone natural depletion at chlorinated aliphatic spill sites
R Ekre, PC Johnson, BE Rittmann… - Groundwater …, 2014 - Wiley Online Library
This work focuses on the site‐specific assessment of source zone natural attenuation
(SZNA) at chlorinated aliphatic hydrocarbon (CAH)‐impacted sites. The approach is similar …
(SZNA) at chlorinated aliphatic hydrocarbon (CAH)‐impacted sites. The approach is similar …
[PDF][PDF] Spatially averaged, flow-weighted concentrations–a more relevant regulatory metric for groundwater cleanup
M Einarson - Groundwater Monitoring & Remediation, 2017 - haleyaldrich.com
J= q0C=–KiC(2) where Md is the contaminant mass discharge (M/T), A is the cross-sectional
area of the contaminant plume (L 2) perpendicular to J or the hydraulic gradient, J is the …
area of the contaminant plume (L 2) perpendicular to J or the hydraulic gradient, J is the …