Microbial community response to a bioaugmentation test to degrade trichloroethylene in a fractured rock aquifer, Trenton, NJ

JC Underwood, DM Akob, MM Lorah… - FEMS Microbiology …, 2022 - academic.oup.com
Bioaugmentation is a promising strategy for enhancing trichloroethylene (TCE) degradation
in fractured rock. However, slow or incomplete biodegradation can lead to stalling at …

Dechlorinating microorganisms in a sedimentary rock matrix contaminated with a mixture of VOCs

G Lima, B Parker, J Meyer - Environmental science & technology, 2012 - ACS Publications
Microbiological characterizations of contaminant biodegradation in fractured sedimentary
rock have primarily focused on the biomass suspended in groundwater samples and …

Natural attenuation in streambed sediment receiving chlorinated solvents from underlying fracture networks

B Şimşir, J Yan, J Im, D Graves… - … science & technology, 2017 - ACS Publications
Contaminant discharge from fractured bedrock formations remains a remediation challenge.
We applied an integrated approach to assess the natural attenuation potential of sediment …

Porosity and pore size distribution in a sedimentary rock: Implications for the distribution of chlorinated solvents

AM Shapiro, CE Evans, EC Hayes - Journal of contaminant hydrology, 2017 - Elsevier
Characterizing properties of the rock matrix that control retention and release of chlorinated
solvents is essential in evaluating the extent of contamination and the application of …

High-resolution delineation of chlorinated volatile organic compounds in a dipping, fractured mudstone: Depth-and strata-dependent spatial variability from rock-core …

DJ Goode, TE Imbrigiotta, PJ Lacombe - Journal of Contaminant Hydrology, 2014 - Elsevier
Synthesis of rock-core sampling and chlorinated volatile organic compound (CVOC)
analysis at five coreholes, with hydraulic and water-quality monitoring and a detailed …

Integration of stable carbon isotope, microbial community, dissolved hydrogen gas, and 2HH2O tracer data to assess bioaugmentation for chlorinated ethene …

KM Révész, BS Lollar, JD Kirshtein… - Journal of contaminant …, 2014 - Elsevier
An in situ bioaugmentation (BA) experiment was conducted to understand processes
controlling microbial dechlorination of trichloroethene (TCE) in groundwater at the Naval Air …

Microbial mineralization of dichloroethene and vinyl chloride under hypoxic conditions

PM Bradley, FH Chapelle - Groundwater Monitoring & …, 2011 - Wiley Online Library
Mineralization of 14C‐radiolabled vinyl chloride ([1, 2‐14C] VC) and cis‐dichloroethene ([1,
2‐14C] cis‐DCE) under hypoxic (initial dissolved oxygen (DO) concentrations about 0.1 …

A biogeochemical and genetic survey of acetylene fermentation by environmental samples and bacterial isolates

LG Miller, SM Baesman, J Kirshtein… - Geomicrobiology …, 2013 - Taylor & Francis
Anoxic samples (sediment and groundwater) from 13 chemically diverse field sites were
assayed for their ability to consume acetylene (C2H2). Over incubation periods ranging …

Spatial variability of microbial communities in a fractured sedimentary rock matrix impacted by a mixed organics plume

GP Lima, JR Meyer, K Khosla, KE Dunfield… - Journal of contaminant …, 2018 - Elsevier
Dissolved phase contaminants, transported by diffusion into the low permeability matrix of
fractured sedimentary rock, pose a challenge to groundwater cleanup efforts because this …

[PDF][PDF] Dissolved Organic Carbon in Groundwater Systems

FH Chapelle - The Groundwater Project: Guelph, ON, Canada, 2022 - gw-project.org
Dissolved organic carbon (DOC) is a chemical constituent that is present in measurable
quantities in virtually all groundwater. Because DOC typically consists of many thousands of …