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Courses
- CTPMContaminant Transport in Porous Media
- SGRSoil and Groundwater Remediation
- EMREnvironmental Monitoring and Remediation
- RRILReclamation and Redevelopment of Impacted Lands
Grants
- Determining Site-Specific Soil Screening Levels for Eielson AFB, Alaska
Principal Investigator (PI)
2023
$233.0K
Active - A Multi-Scale and Interdisciplinary Center to Address the Environmental Fate, Transport, and Remediation of Per- and Polyfluoro-alkyl Substances (PFASs)
Co-Investigator (COI)
2023
$50.4K
Active - Tempe cell method for PFAS leaching services
Principal Investigator (PI)
2022
$373.8K
Active - Collaborative Research: ERASE-PFAS: Stabilization of Per- and Polyfluorinated Substances in Sewage Sludge Intended for Land-application
Co-Investigator (COI)
2022
$120.0K
Active - Development and Demonstration of PFAS-LEACH, A Comprehensive Decision Support Platform for Predicting PFAS Leaching in Small Zones
Co-Investigator (COI)
2021
$681.1K
Active - Exposures, Health Impacts, and Risk for Mine Waste Contamination
Multiple Principal Investigator (MPI)
2020
$8.9M
Active - Understanding and Quantifying the Retention and Migration of Per- and Polyfluoroalkyl Substances in the Vadose Zone
Co-Investigator (COI)
2020
$398.5K
Active - Analysis of Groundwater Flow and Uranium Sorption Properties of Tnbs1/Tnbs0 Bedrock Core From The Lawrence Livermore National Laboratory Site 300 Building 812 Area
Principal Investigator (PI)
2020
$70.0K
Active - Integrative Approach to Quantifying Fate of Munitions Constituents on Training Ranges
Co-Investigator (COI)
2019
$680.1K
Active - Phototransformation, Sorption, Transport, and Fate of Mixtures of NTO, DNAN, and Traditional Explosives as a Function of Climatic Conditions
Co-Investigator (COI)
2017
$562.1K
Active
News
- UArizona Receives $1.3M Federal Grant to Study Synthetic Chemicals Posing Risk to Regional Aquifer
2021
- Superfund Research Center Receives $10.6M to Study Mining Waste, Arsenic-Diabetes Link
2020
- Researchers: Synthetic Chemicals in Soils are 'Ticking Time Bomb'
2020
Publications (334)
- A Screening Model for Quantifying PFAS Leaching in the Vadose Zone and Mass Discharge to Groundwater
2022
- PFAS Experts Symposium 2: Key Advances in Poly‐ and Perfluoroalkyl Characterization, Fate, and Transport
2022
- Air-water interfacial adsorption of C4-C10 perfluorocarboxylic acids during transport in unsaturated porous media
2022
- PFAS concentrations in soil versus soil porewater: Mass distributions and the impact of adsorption at air-water interfaces
2022
- Global distributions, source-type dependencies, and concentration ranges of per- and polyfluoroalkyl substances in groundwater
2022
- The Co-Transport of PFAS and Cr(VI) in porous media
2022
- General Backward Model to Identify the Source for Contaminants Undergoing Non-Fickian Diffusion in Water
2022
- Sucralose as an oxidative-attenuation tracer for characterizing the application of chemical oxidation for the treatment of 1,4-dioxane
2022
- PFOS Mass Flux Reduction/Mass Removal: Impacts of a Lower-Permeability Sand Lens within Otherwise Homogeneous Systems
2022
- The impact of multiple-component PFAS solutions on fluid-fluid interfacial adsorption and transport of PFOS in unsaturated porous media
2022
- Adsorption of Cadmium onto Sand-Attapulgite Cutoff Wall Backfill Media
2021
- The influence of molecular structure on PFAS adsorption at air-water interfaces in electrolyte solutions.
2021
- Significance of isotopic and geochemical methods to determine the evolution of inland brackish and bitter water: An example from the Zuli river in the upper reaches of the Yellow River, China
2021
- Simulating PFAS adsorption kinetics, adsorption isotherms, and nonideal transport in saturated soil with tempered one-sided stable density (TOSD) based models.
2021
- Testing the Validity of the Miscible-Displacement Interfacial Tracer Method for Measuring Air-Water Interfacial Area: Independent Benchmarking and Mathematical Modeling.
2021
- Iron-activated persulfate oxidation degrades aqueous Perfluorooctanoic acid (PFOA) at ambient temperature.
2021
- Ideal versus Nonideal Transport of PFAS in Unsaturated Porous Media.
2021
- Column versus batch methods for measuring PFOS and PFOA sorption to geomedia.
2021
- Contribution of Nonaqueous-Phase Liquids to the Retention and Transport of Per and Polyfluoroalkyl Substances (PFAS) in Porous Media.
2021
- Insight into degradation mechanism of sulfamethoxazole by metal-organic framework derived novel magnetic Fe@C composite activated persulfate
2021
- Examining the robustness and concentration dependency of PFAS air-water and NAPL-water interfacial adsorption coefficients.
2021
- List of Published Peer-review Journal articles with complete citations
2021
- Interaction of climate change, potentially toxic elements (PTEs), and topography on plant diversity and ecosystem functions in a high-altitude mountainous region of the Tibetan Plateau.
2021
- Transport of PFOS in aquifer sediment: Transport behavior and a distributed-sorption model.
2021
- Air-water interfacial areas relevant for transport of per and poly-fluoroalkyl substances
2021
- Popular wood and sugarcane bagasse biochars reduced uptake of chromium and lead by lettuce from mine-contaminated soil
2020
- Low-concentration tracer tests to measure air-water interfacial area in porous media
2020
- Scale Issues and the Effects of Heterogeneity on the Dune-induced Hyporheic Mixing
2020
- Simulating PFAS transport influenced by rate-limited multi-process retention
2020
- Transport of GenX in Saturated and Unsaturated Porous Media
2020
- Characterization of the Micro-scale Surface Roughness Effect on Immiscible Fluids and Interfacial Areas in Porous Media Using the Measurements of Interfacial Partitioning Tracer Tests
2020
- NAPL-Water Interfacial Area as a Function of Fluid Saturation Measured with the Interfacial Partitioning Tracer Test Method.
2020
- A Mathematical Model for the Release, Transport, and Retention of Per- and Polyfluoroalkyl Substances (PFAS) in the Vadose Zone
2020
- Assessing XMT-Measurement Variability of Air-Water Interfacial Areas in Natural Porous Media
2020
- PFAS concentrations in soils: Background levels versus contaminated sites
2020
- Mathematical modeling of organic liquid dissolution in heterogeneous source zones
2020
- Pore-Scale Modeling of Fluid-Fluid Interfacial Area in Variably Saturated Porous Media Containing Microscale Surface Roughness
2020
- The influence of solution chemistry on air-water interfacial adsorption and transport of PFOA in unsaturated porous media
2020
- Groundwater pollution containing ammonium, iron and manganese in a riverbank filtration system: Effects of dynamic geochemical conditions and microbial responses
2020
- Comparison of Manganese Dioxide and Permanganate as Amendments with Persulfate for Aqueous 1,4-Dioxane Oxidation
2020
- Ferrous metal-organic frameworks with strong electron-donating properties for persulfate activation to effectively degrade aqueous sulfamethoxazole
2020
- Efficient Removal of Trichloroethene in Oxidative Environment by Anchoring nano FeS on Reduced Graphene Oxide Supported nZVI Catalyst: The Role of FeS on Oxidant Decomposition and Iron Leakage.
2020
- Estimating the relative magnitudes of adsorption to solid-water and air/oil-water interfaces for per- and poly-fluoroalkyl substances
2019
- Modeling the transport of nitrate and natural multi-sized colloids in natural soil and soil amended with vermicompost
2019
- Insight into CaO2-based Fenton and Fenton-like systems: Strategy for CaO2-based oxidation of organic contaminants
2019
- The natural activation ability of subsurface media to promote in-situ chemical oxidation of 1,4-dioxane
2019
- Mechanism of carbon tetrachloride reduction in ferrous ion activated calcium peroxide system in the presence of methanol
2019
- Enhanced redox degradation of chlorinated hydrocarbons by the Fe(II)-catalyzed calcium peroxide system in the presence of formic acid and citric acid
2019
- The influence of molecular structure on the adsorption of PFAS to fluid-fluid interfaces: Using QSPR to predict interfacial adsorption coefficients
2019
- Nonideal Transport and Extended Elution Tailing of PFOS in Soil
2019
- Determining the long-term operational performance of pump and treat an the possibility of closure for a large TCE plume
2019
- Modeling groundwater contaminant transport in the presence of large heterogeneity: a case study comparing MT3D and RWhet
2019
- Novel fluid-fluid interface domains in geologic media
2019
- The impact of surface properties and dominant ions on the effectiveness of G-nZVI heterogeneous catalyst for environmental remediation
2019
- Comprehensive retention model for PFAS transport in subsurface systems
2019
- 1,4-Dioxane cosolvency impacts on trichloroethene dissolution and sorption
2019
- The influence of surfactant and solution composition on PFAS adsorption at fluid-fluid interfaces
2019
- Assessing the feasibility of using a closed landfill for agricultural graze land
2019
- Degradation of trichloroethylene in aqueous solution by nanoscale calcium peroxide in the Fe(II)-based catalytic environments
2019
- Assessing the potential contributions of additional retention processes to PFAS retardation in the subsurface
2018
- Treatment of 1,4-dioxane and trichloroethene co-contamination by an activated binary persulfate-peroxide oxidation process
2018
- An assessment of correlations between chlorinated VOC concentrations in tree tissue and groundwater for phytoscreening applications
2018
- The Integrated Contaminant Elution and Tracer Test Toolkit, ICET3, for Improved Characterization of Mass Transfer, Attenuation, and Mass Removal
2018
- Insight on the generation of reactive oxygen species in the CaO2/Fe(II) Fenton system and the hydroxyl radical advancing strategy
2018
- Effective integrated frameworks for assessing mining sustainability
2018
- The influence of various organic amendments on the bioavailability and plant uptake of cadmium present in mine-degraded soil
2018
- Adsorption of PFOA at the Air-Water Interface during Transport in Unsaturated Porous Media
2018
- Dissolution and Transport of Insensitive Munitions Formulations IMX-101 and IMX-104 in Saturated Soil Columns
2018
- Transfer of Heavy Metals from Soils to Vegetables and Associated Human Health Risks at Selected Sites in Pakistan
2018
- Enhanced effect of EDDS and hydroxylamine on Fe(II)-catalyzed SPC system for trichloroethylene degradation
2018
- Synthesis of iron-based metal-organic framework MIL-53 as an efficient catalyst to activate persulfate for the degradation of Orange G in aqueous solution
2018
- Borehole diffusive flux apparatus for characterizing diffusive mass-transfer in subsurface systems
2018
- Degradation of landfill leachate compounds by persulfate for groundwater remediation
2017
- The Gas-Absorption/Chemical-Reaction Method for Measuring Air-Water Interfacial Area in Natural Porous Media
2017
- Analysis of Trichloroethene (TCE) Vapour in Soil-Gas Samples using Solid-Sorbent Tubes with Gas Chromatography/Mass Spectrometry
2017
- Application of phytoscreening to three hazardous waste sites in Arizona
2017
- Modified Well-Field Configurations for Improved Performance of Contaminant Elution and Tracer Tests
2017
- The impact of well-field configuration and permeability heterogeneity on contaminant mass removal and plume persistence
2017
- Effect of low-concentration rhamnolipid biosurfactant on Pseudomonas aeruginosa transport in natural porous media
2017
- Efficient transformation in characteristics of cations supported-reduced graphene oxide nanocomposites for the destruction of trichloroethane
2017
- Column transport studies of 3-nitro-1,2,4-triazol-5-one (NTO) in soils
2017
- Application of ascorbic acid to enhance trichioroethene degradation by Fe(III)-activated calcium peroxide
2017
- Enhanced effect of HAH on citric acid-chelated Fe(II)-catalyzed percarbonate for trichloroethene degradation
2017
- Assessment of Fluoride Contamination in Groundwater of District Mardan in Pakistan
2017
- Kinetic and Thermodynamic Studies of Chlorinated Organic Compound Degradation by Siderite-Activated Peroxide and Persulfate
2017
- An efficient catalytic degradation of trichloroethene in a percarbonate system catalyzed by ultra-fine heterogeneous zeolite supported zero valent iron-nickel bimetallic composite
2017
- The impact of well-field configuration on contaminant mass removal and plume persistence for homogeneous versus layered systems
2017
- Benzene oxidation by Fe(III)-activated percarbonate: matrix-constituent effects and degradation pathways
2017
- Optimizing the Gas Absorption/Chemical Reaction Method for Measuring Air-Water Interfacial Area in Porous Media
2017
- Activation performance and mechanism of a novel heterogeneous persulfate catalyst: metal-organic frameworkMIL-53(Fe) with Fe-II/Fe-III mixed-valence coordinatively unsaturated iron center
2017
- Batch soil adsorption and column transport studies of 2,4-dinitroanisole (DNAN) in soils
2017
- Lead and cadmium contamination and exposure risk assessment via consumption of vegetables grown in agricultural soils of five-selected regions of Pakistan
2017
- Influence of Groundwater Constituents on 1,4-Dioxane Degradation by a Binary Oxidant System
2016
- Effect of low-concentration rhamnolipid on transport of Pseudomonas aeruginosa ATCC 9027 in an ideal porous medium with hydrophilic or hydrophobic surfaces
2016
- Quantification of inorganic arsenic exposure and cancer risk via consumption of vegetables in southern selected districts of Pakistan
2016
- Estimating initial contaminant mass. based on fitting mass-depletion functions to contaminant mass discharge data: Testing method efficacy with SVE operations data
2016
- Using tracer tests to estimate vertical recharge and evaluate influencing factors for irrigated agricultural systems
2016
- Enhanced degradation of trichloroethene by calcium peroxide activated with Fe(III) in the presence of citric acid
2016
- The destruction of benzene by calcium peroxide activated with Fe(II) in water
2016
- Aggregate-based sub-CMC solubilization of n-alkanes by monorhamnolipid biosurfactant
2016
- Comparison of fluid-fluid interfacial areas measured with X-ray microtomography and interfacial partitioning tracer tests for the same samples
2016
- Adsorption and attenuation behavior of 3-nitro-1,2,4-triazol-5-one (NTO) in eleven soils
2016
- Sub-CMC solubilization of dodecane by rhamnolipid in saturated porous media
2016
- The two-phase flow IPTT method for measurement of nonwetting-wetting liquid interfacial areas at higher nonwetting saturations in natural porous media
2016
- Degradation of trichloroethene by siderite-catalyzed hydrogen peroxide and persulfate: Investigation of reaction mechanisms and degradation products
2015
- Measuring air-water interfacial area for soils using the mass balance surfactant-tracer method
2015
- Groundwater conceptualization and modeling using distributed SWATbased recharge for the semi-arid agricultural Neishaboor plain, Iran
2015
- Aggregate-based sub-CMC solubilization of hexadecane by surfactants
2015
- Enhancement effects of chelating agents on the degradation of tetrachloroethene in Fe(III) catalyzed percarbonate system
2015
- Enhancement effects of reducing agents on the degradation of tetrachloroethene in the Fe(II)/Fe(III) catalyzed percarbonate system
2015
- In-situ activation of persulfate by iron filings and degradation of 1,4-dioxane
2015
- The impact of transitions between two-fluid and three-fluid phases on fluid configuration and fluid-fluid interfacial area in porous media
2015
- Novel methods for measuring air-water interfacial area in unsaturated porous media
2015
- The vapor-phase multi-stage CMD test for characterizing contaminant mass discharge associated with VOC sources in the vadose zone: Application to three sites in different lifecycle stages of SVE operations
2015
- Nonideal Transport of Contaminants in Heterogeneous Porous Media: 11. Testing the Experiment Condition Dependency of the Continuous Distribution Rate Model for Sorption-Desorption
2014
- Persistence of a Groundwater Contaminant Plume after Hydraulic Source Containment at a Chlorinated-Solvent Contaminated Site
2014
- Environmental Research Translation: Enhancing interactions with communities at contaminated sites
2014
- Application of a Persistent Dissolved-Phase Reactive Treatment Zone for Mitigation of Mass Discharge from Sources Located in Lower-Permeability Sediments
2014
- The impact of biostimulation on the fate of sulfate and associated sulfur dynamics in groundwater
2014
- Determination of Chlorinated Solvent Sorption by Porous Material-Application to Trichloroethene Vapor on Cement Mortar
2014
- Using a Gas-Phase Tracer Test to Characterize the Impact of Landfill Gas Generation on Advective-Dispersive Transport of VOCs in the Vadose Zone
2014
- Assessing contaminant-removal conditions and plume persistence through analysis of data from long-term pump-and-treat operations
2014
- Building a Co-Created Citizen Science Program with Gardeners Neighboring a Superfund Site: The Gardenroots Case Study
2014
- Measuring spatial variability of vapor flux to characterize vadose-zone VOC sources: Flow-cell experiments
2014
- Transport and fate of ammonium and its impact on uranium and other trace elements at a former uranium mill tailing site
2013
- Characterization of persistent volatile contaminant sources in the vadose zone
2013
- A greenhouse and field-based study to determine the accumulation of arsenic in common homegrown vegetables grown in mining-affected soils
2013
- Characterization and quantification of groundwater sulfate sources at a mining site in an arid climate: The Monument Valley site in Arizona, USA
2013
- Use of Historical Pump-and-Treat Data to Enhance Site Characterization and Remediation Performance Assessment
2013
- Vapor-phase transport of trichloroethene in an intermediate-scale vadose-zone system: retention processes and tracer-based prediction
2013
- Intercalation of trichloroethene by sediment-associated clay minerals
2013
- Characterization of Persistent Volatile Contaminant Sources in the Vadoze Zone
2013
- Characterizing long-term contaminant mass discharge and the relationship between reductions in discharge and reductions in mass for DNAPL source areas
2013
- Measuring equilibrium sorption coefficients with the miscible-displacement method
2013
- Assessing the Impact of Chlorinated-Solvent Sites on Metropolitan Groundwater Resources
2013
- Characterization and Quantification of Groundwater Sulfate Sources at a Mining Site in an Arid Climate: The Monument Valley Site in Arizona U.S.A.
2013
- Impact of enhanced-flushing reagents and organic-liquid distribution on mass removal and mass-discharge reduction.
2013
- Characterization and Remediation of Chlorinated Volatile Organic Contaminants in the Vadose Zone
2013
- A Framework Toward Developing a Groundwater Conceptual Model
2013
- Home gardening near a mining site in an arsenic-endemic region of Arizona: assessing arsenic exposure dose and risk via ingestion of home garden vegetables, soils, and water
2013
- Nonideal Transport of Contaminants in Heterogeneous Porous Media: 10- Impact of Co-solutes on Sorption by Porous Media with Low Organic-Carbon Contents.
2012
- Nonideal transport of contaminants in heterogeneous porous media: 9 - Impact of contact time on desorption and elution tailing
2012
- Transport and Retention of Cryptosporidium Parvum Oocysts in Sandy Soils
2012
- Sulfate reduction in groundwater: Characterization and applications for remediation
2012
- Nonideal transport of contaminants in heterogeneous porous media: 10. Impact of co-solutes on sorption by porous media with low organic-carbon contents
2012
- Nonideal Transport of Contaminants in Heterogeneous Porous Media: 9- Impact of Contact Time on Desorption and Elution Tailing
2012
- Air-water Interfacial Area and Capillary Pressure: Porous-medium Texture Effects and an Empirical Function
2012
- Ethanol Addition for Enhancing Denitrification at the Uranium Mill Tailing Site in Monument Valley, Arizona
2012
- Assessing Performance and Closure for Soil Vapor Extraction: Integrating Vapor Discharge and Impact to Groundwater Quality
2012
- Transport of Cryptosporidium Parvum Oocysts in a Sandy Soil: Impact of Length Scale
2011
- Remediation of NAPL source zones: Lessons learned from field studies at Hill and Dover AFB
2011
- Remediation of NAPL Source-Zones: Lessons Learned from Field Studies at Hill and Dover AFB
2011
- The Impact of In-situ Chemical Oxidation on Contaminant Mass Discharge: Linking Source-zone and Plume-scale Characterizations of Remediation Performance
2011
- Assessing The Impact of Source-Zone Remediation Efforts at the Contaminant-Plume Scale: Application to a Chlorinated-Solvent Site
2011
- Impact of in situ chemical oxidation on contaminant mass discharge: Linking source-zone and plume-scale characterizations of remediation performance
2011
- Transport of Cryptosporidium parvum oocysts in sandy soil: impact of length scale
2011
- Application of light reflection visualization for measuring organic-liquid saturation for two-phase systems in two-dimensional flow cells
2011
- Assessing the impact of source-zone remediation efforts at the contaminant-plume scale through analysis of contaminant mass discharge
2011
- Assessment of a simple function to evaluate the relationship between mass flux reduction and mass removal for organic-liquid contaminated source zones
2011
- Interfacial partitioning tracer test measurements of organic-liquid/water interfacial areas: Application to soils and the influence of surface roughness
2010
- Non-ideal behavior during complete dissolution of organic immiscible liquid: 2. Ideal porous media
2010
- Analysis of soil vapor extraction data to evaluate mass-transfer constraints and estimate source-zone mass flux
2010
- A review of non-invasive imaging methods and applications in contaminant hydrogeology research
2010
- NONIDEAL BEHAVIOR DURING COMPLETE DISSOLUTION OF ORGANIC IMMISCIBLE LIQUID: 1. IDEAL POROUS MEDIA
2010
- In situ oxidation and associated mass-flux-reduction/mass-removal behavior for systems with organic liquid located in lower-permeability sediments
2010
- Impact of organic-liquid distribution and flow-field heterogeneity on reductions in mass flux
2010
- Comparison of interfacial partitioning tracer test and high-resolution microtomography measurements of fluid-fluid interfacial areas for an ideal porous medium
2010
- Nonideal transport of contaminants in heterogeneous porous media: 8. Characterizing and modeling asymptotic contaminant-elution tailing for several soils and aquifer sediments
2010
- Measurement and estimation of organic-liquid/water interfacial areas for several natural porous media
2009
- Dissolution, cyclodextrin-enhanced solubilization, and mass removal of an ideal multicomponent organic liquid
2009
- The impact of composition on the physical properties and evaporative mass transfer of a PCE-diesel immiscible liquid
2009
- Impact of non-ideal sorption on low-concentration tailing behavior for atrazine transport in two natural porous media
2009
- Characterizing pore-scale dissolution of organic immiscible liquid in a poorly-sorted natural porous medium
2009
- Nonideal behavior during complete dissolution of organic immiscible liquid. 1. Natural porous media
2009
- Mass removal and low-concentration tailing of trichloroethene in freshly-amended, synthetically-aged, and field-contaminated aquifer material
2009
- Estimating persistent mass flux of volatile contaminants from the vadose zone to ground water
2009
- Application of a lumped-process mathematical model to dissolution of non-uniformly distributed immiscible liquid in heterogeneous porous media
2008
- Comparison of line-drive and push-pull flushing schemes
2008
- Relationship between mass-flux reduction and source-zone mass removal: analysis of field data
2008
- Evaporative mass transfer behavior of a complex immiscible liquid
2008
- Mass-removal and mass-flux-reduction behavior for idealized source zones with hydraulically poorly-accessible immiscible liquid
2008
- Kinetics of sorption-desorption
2008
- Synchrotron X-ray microtomography and interfacial partitioning tracer test measurements of NAPL-water interfacial areas
2008
- Measuring air-water interfacial areas with X-ray microtomography and interfacial partitioning tracer tests
2007
- Effect of clays, metal oxides, and organic matter on rhamnolipid biosurfactant sorption by soil
2007
- Source-zone characterization of a chlorinated-solvent contaminated Superfund site in Tucson, AZ
2007
- Gas-phase diffusive tracer test for the in-situ measurement of tortuosity in the vadose zone
2007
- Analysis of a gas-phase partitioning tracer test conducted in an unsaturated fractured-clay formation
2007
- Transport of molybdenum in a biosolid-amended alkaline soil
2006
- Characterizing pore-scale configuration of organic immiscible liquid in multiphase systems with synchrotron X-Ray microtomography
2006
- Method for measuring air-immiscible liquid partition coefficients
2006
- Characterizing pore-scale dissolution of organic immiscible liquid in natural porous media using synchrotron X-ray microtomography
2006
- Relationships among air-water interfacial area, capillary pressure, and water saturation for a sandy porous medium
2006
- Biodegradation during contaminant transport in porous media: 8. The influence of microbial system variability on transport behavior and parameter determination
2006
- Impact of soil texture on air-water interfacial areas in unsaturated sandy porous media
2005
- Pore-scale characterization of organic immiscible-liquid morphology in natural porous media using synchrotron X-ray microtomography
2005
- Biodegradation during contaminant transport in porous media: 7. Impact of multiple-degrader community dynamics
2005
- Real-time, in situ monitoring of bioactive zone dynamics in heterogeneous systems
2005
- Gas-phase partitioning tracer test method for water content measurement: Evaluating efficacy for a range of porous-medium textures
2005
- Influence of hydroxypropyl-β-cyclodextrin (HPCD) on the bioavailability and biodegradation of pyrene
2005
- Employing a novel fiber optic detection system to monitor the dynamics of in situ lux bioreporter activity in porous media: System performance update
2004
- Reactive solute transport in macroscopically homogeneous porous media: Analytical solutions for the temporal moments
2004
- Nonideal transport of reactive contaminants in heterogeneous porous media: 7. Distributed-domain model incorporating immiscible-liquid dissolution and rate-limited sorption/desorption
2004
- The influence of system complexity on bacterial transport in saturated porous media
2004
- Spatial variability of in situ microbial activity: Biotracer tests
2004
- Use of cyclodextrin and calcium chloride for enhanced removal of mercury from soil
2004
- Characterizing and quantifying the impact of immiscible-liquid dissolution and nonlinear, rate-limited sorption/desorption on low-concentration elution tailing
2003
- Application of gas-phase partitioning tracer tests to characterize immiscible-liquid contamination in the vadose zone beneath a fuel depot
2003
- The effect of local-scale physical heterogeneity and nonlinear, rate-limited sorption/desorption on contaminant transport in porous media
2003
- The influence of substrate and electron acceptor availability on bioactive zone dynamics in porous media
2003
- Pilot-scale demonstration of cyclodextrin as a solubility-enhancement agent for remediation of a tetrachloroethene-contaminated aquifer
2003
- Intermediate-scale tests of the gas-phase partitioning tracer method for measuring soil-water content
2003
- Use of tracer tests to evaluate the impact of enhanced-solubilization flushing on in-situ biodegradation
2003
- Temporal change in culturable phenanthrene degraders in response to long-term exposure to phenanthrene in a soil column system
2003
- Partitioning tracer tests for characterizing immiscible-fluid saturations and interfacial areas in the vadose zone
2003
- Characterizing the contribution of diffusive mass transfer to solute transport in sedimentary aquifer systems at laboratory and field scales
2003
- Erratum: Air-water interfacial areas in unsaturated soils: Evaluation of interfacial domains (Water Resources Research (2003) 39:4 (1091) DOI: 10.1029/2003WR002018)
2003
- Biodegradation during contaminant transport in porous media: 6. Impact of sorption on coupled degradation-transport behavior
2003
- In-situ characterization of soil-water content using gas-phase partitioning tracer tests: Field-scale evaluation
2003
- Gas phase advection and dispersion in unsaturated porous media
2002
- Dissolution of nonuniformly distributed immiscible liquid: Intermediate-scale experiments and mathematical modeling
2002
- Air-water interfacial areas in unsaturated soils: Evaluation of interfacial domains
2002
- Spatial moments for reactive transport in heterogeneous porous media
2002
- Biodegradation during contaminant transport in porous media: V. The influence of growth and cell elution on microbial distribution
2002
- Biodegradation during contaminant transport in porous media: 3. Apparent condition-dependency of growth-related coefficients
2001
- Theoretical estimation of free and entrapped nonwetting-wetting fluid interfacial areas in porous media
2001
- Biosurfactant-enhanced solubilization of NAPL mixtures
2001
- Biodegradation during contaminant transport in porous media: 4. Impact of microbial lag and bacterial cell growth
2001
- Erratum: Solubilization and removal of residual trichloroethene from porous media: comparison of several solubilization agents (Journal of Contaminant Hydrology 42 (2000) (51-67) PII: S0169772299000777)
2001
- Cyclodextrin-enhanced vertical flushing of a trichloroethene contaminated aquifer
2001
- Solubilization and removal of residual trichloroethene from porous media: Comparison of several solubilization agents
2000
- Partitioning tracer tests for evaluating remediation performance
2000
- Contaminant vapor adsorption at the gas-water interface in soils
2000
- Cyclodextrin-enhanced solubilization of organic contaminants with implications for aquifer remediation
2000
- Influence of heterogeneity and sampling method on aqueous concentrations associated with NAPL dissolution
2000
- Fiber optic detection of in situ lux reporter gene activity in porous media: System design and performance
2000
- Adsorption of a multicomponent rhamnolipid surfactant to soil
2000
- Nonideal transport of reactive solutes in heterogeneous porous media 6. Microscopic and macroscopic approaches for incorporating heterogeneous rate-limited mass transfer
2000
- Field Test of Cyclodextrin for Enhanced In-Situ Flushing of Multiple- Component Immiscible Organic Liquid Contamination: Project Overview and Initial Results
1999
- Contaminant transport and fate in a source zone of a chlorinated-solvent contaminated superfund site: Overview and initial results of an advanced site characterization project
1999
- A biotracer test for characterizing the in-situ biodegradation potential associated with subsurface systems
1999
- A gas-phase partitioning tracer method for the in situ measurement of soil-water content
1999
- Field test of cyclodextrin for enhanced in-situ flushing of multiple-component immiscible organic liquid contamination: Project overview and initial results
1999
- Field test of cyclodextrin for enhanced in-situ flushing of multiple-component immiscible organic liquid contamination: Comparison to water flushing
1999
- Cyclodextrin-enhanced in situ flushing of multiple-component immiscible organic liquid contamination at the field scale: Analysis of dissolution behavior
1999
- Biodegradation during contaminant transport in porous media: 1. Mathematical analysis of controlling factors
1999
- Cyclodextrin-enhanced solubilization and removal of residual-phase chlorinated solvents from porous media
1999
- Field Test of Cyclodextrin for Enhanced In-Situ Flushing of Multiple- Component Immiscible Organic Liquid Contamination: Comparison to Water Flushing
1999
- Field demonstrations of innovative subsurface remediation and characterization technologies: Introduction
1999
- Performance assessment of in-well aeration for the remediation of an aquifer contaminated by a multicomponent immiscible liquid
1999
- A diffusive tracer-test method for investigating the influence of mass transfer processes on field-scale solute transport
1999
- Evaluation of mass flux to and from ground water using a vertical flux model (VFLUX): Application to the soil vacuum extraction closure problem
1999
- The Partitioning Tracer Method for In-Situ Detection and Quantification of Immiscible Liquids in the Subsurface
1999
- Nonideal transport of reactive solutes in heterogeneous porous media 5. Simulating regional-scale behavior of a trichloroethene plume during pump-and-treat remediation
1999
- Biodegradation during contaminant transport in porous media. 2. The influence of physicochemical factors
1999
- Nonideal transport of reactive solutes in heterogeneous porous media. 4. Analysis of the Cape Cod natural-gradient field experiment
1999
- Partitioning tracer method for the in situ measurement of DNAPL saturation: Influence of heterogeneity and sampling method
1999
- A general mathematical model for chemical-enhanced flushing of soil contaminated by organic compounds
1998
- Cyclodextrin-enhanced biodegradation of phenanthrene
1998
- Cyclodextrin-enhanced in situ flushing of multiple-component immiscible organic liquid contamination at the field scale: Mass removal effectiveness
1998
- Comment on 'field-scale transport of nonpolar organic solutes in 3-D heterogeneous aquifers' [3]
1998
- Effects of rhamnolipid biosurfactants on removal of phenanthrene from soil
1998
- Contaminant mass transfer during gas-phase transport in unsaturated porous media
1998
- Coupled effects of nonlinear, rate-limited sorption and biodegradation on transport of 2,4-dichlorophenoxyacetic acid in soil
1998
- Rate-limited sorption of hydrophobic organic compounds by soils with well-characterized organic matter
1998
- Influence of cation type, ionic strength, and pH on solubilization and mobilization of residual hydrocarbon by a biosurfactant
1998
- Use of cyclodextrins for the remediation of solvent contaminated porous media
1998
- Simulating tracer and resident contaminant transport to investigate the reduced efficiency of a pump-and-treat operation
1998
- Non-ideal transport of reactive solutes in heterogeneous porous media: 3. Model testing and data analysis using calibration versus prediction
1998
- Effect of pyrophosphate on the dechlorination of tetrachloroethene by the Fenton reaction
1998
- The use of calcium to facilitate desorption and removal of cadmium and nickel in subsurface soils
1997
- Nonideal transport of reactive solutes in heterogeneous porous media 2. Quantitative analysis of the Borden natural-gradient field experiment
1997
- Simultaneous elution of heavy metals and organic compounds from soil by cyclodextrin
1997
- Biosurfactant-enhanced removal of residual hydrocarbon from soil
1997
- Characterizing gas-water interfacial and bulk-water partitioning for gas-phase transport of organic contaminants in unsaturated porous media
1997
- Advanced characterization of a superfund site: Tracer tests and contaminant monitoring
1997
- Influence of a rhamnolipid biosurfactant on the transport of bacteria through a sandy soil
1997
- Evaluation of an in-well aeration system to remediate a groundwater contamination site
1997
- Dispersion and transport of gas-phase contaminants in dry porous media: Effect of heterogeneity and gas velocity
1997
- Advanced characterization of a superfiind site: Effect of core-scale heterogeneity on trichloroethene transport
1997
- Using flow interruption to identify factors causing nonideal contaminant transport
1997
- Sequestration of hydrophobic organic contaminants by geosorbents
1997
- Evaluation of simple methods for estimating contaminant removal by flushing
1996
- Field study of the partitioning tracer method for detection of dense nonaqueous phase liquid in a trichloroethene-contaminated aquifer
1996
- Semianalytical solution for solute transport in porous media with multiple spatially variable reaction processes
1996
- Transport of rate-limited sorbing solutes in an aggregated porous medium: A multiprocess non-ideality approach
1996
- Nonideal transport of reactive solutes in heterogeneous porous media: 1. Numerical model development and moments analysis
1996
- Effect of solute size on transport in structured porous media
1995
- Transport of gas-phase contaminants through structured unsaturated porous media
1995
- Simultaneous complexation of organic compounds and heavy metals by a modified cyclodextrin
1995
- Cyclopentanol-enhanced solubilization of polycyclic aromatic hydrocarbons by cyclodextrins
1995
- Quantitative structure-activity relationships for evaluating the influence of sorbate structure on sorption of organic compounds by soil
1995
- The effect of nonlinear sorption on transformation of contaminants during transport in porous media
1995
- A combined Laplace transform and streamline upwind approach for nonideal transport of solutes in porous media
1995
- Dispersive-diffusive transport of non-sorbed solute in multicomponent solutions
1995
- Darcy velocity computations in the finite element method for multidimensional randomly heterogeneous porous media
1995
- Enhanced transport of low-polarity organic compounds through soil by cyclodextrin
1994
- Transport of reactive contaminants in heterogeneous porous media
1994
- The effect of solute size on diffusive-dispersive transport in porous media
1994
- Complexation of cadmium by a rhamnolipid biosurfactant
1994
- Simulating solute transport in an aggregated soil with the dual-porosity model: Measured and optimized parameter values
1994
- Using QSAR to evaluate phenomenological models for sorption of organic compounds by soil
1993
- Transport of Co sup 2+ /sup in a physically and chemically heterogeneous porous medium
1993
- The influence of solute size, pore water velocity, and intraparticle porosity on solute dispersion and transport in soil
1993
- Sorption and degradation of pesticides and organic chemicals in soil. Proceedings of a symposium, Denver, October 1991
1993
- Solubilization of some low-polarity organic compounds by hydroxypropyl- β-cyclodextrin
1993
- Nonequilibrium sorption and aerobic biodegradation of dissolved alkylbenzenes during transport in aquifer material: column experiments and evaluation of a coupled-process model
1992
- Transport of rate-limited sorbing solutes in heterogeneous porous media: application of a one-dimensional multifactor nonideality model to field data
1992
- Modeling solute transport influenced by multiprocess nonequilibrium and transformation reactions
1992
- Factors influencing the transport and fate of contaminants in the subsurface
1992
- Nonequilibrium transport of organic chemicals: The impact of pore-water velocity
1992
- Predicting nonequilibrium transport of naphthalene through aquifer materials using batch determined sorption parameters
1992
- Nonequilibrium sorption and transport of neutral and ionized chlorophenols
1991
- Nonequilibrium sorption of organic chemicals by low organic-carbon aquifer materials
1991
- Erratum: Nonequilibrium sorption of organic chemicals: Elucidation of rate-limiting processes (Environ. Sci. Technol. (1991) 25 (134-142))
1991
- Cooperative sorption of organic chemicals in systems composed of low organic carbon aquifer materials
1991
- Sorption kinetics of organic chemicals. Methods, models and mechanisms
1991
- Influence off organic cosolvents on the sorption kinetics off hydrophobic organic chemicals
1991
- Rate-limited sorption and nonequilibrium transport of organic chemicals in low organic carbon aquifer materials
1991
- Influence of sorbate structure on nonequilibrium sorption of organic compounds
1991
- Nonequilibrium sorption of organic chemicals: Elucidation of rate-limiting processes
1991
- Transport of organic chemicals by gas advection in structured or heterogeneous porous media: development of a model and application to column experiments
1991
- Sorption kinetics of organic chemicals: Evaluation of gas-purge and miscible-displacement techniques
1990
- Cosolvent effects on sorption and mobility of organic contaminants in soils
1990
- Modeling solute transport in structured soils: a review
1990
- Mass transfer processes and field-scale transport of organic solutes
1990
- Nonequilibrium sorption during displacement of hydrophobic organic chemicals and sup 45 /sup Ca through soil columns with aqueous and mixed solvents
1989
- Flow interruption: A method for investigating sorption nonequilibrium
1989
- Sorption nonideality during organic contaminant transport in porous media
1989
- Nonequilibrium and dispersion during transport of contaminants in groundwater: field-scale processes
1989
- Modeling the transport of solutes influenced by multiprocess nonequilibrium
1989
- The influence of sorbate-organic matter interactions on sorption nonequilibrium
1989
- Erratum
1988
- Nonequilibrium sorption of organic contaminants during flow through columns of aquifer materials
1988