Per-and Polyfluorinated Alkyl Substances (PFAS) cycling within Michigan: Contaminated sites, landfills and wastewater treatment plants

RW Helmer, DM Reeves, DP Cassidy - Water Research, 2022 - Elsevier
Concentrations of Per- and Polyfluorinated Alkyl Substances (PFAS) from public and private
sources in Michigan compiled for wastewater treatment plants (WWTPs) (influent, effluent, …

Use of calcium peroxide to provide oxygen for contaminant biodegradation in a saturated soil

DP Cassidy, RL Irvine - Journal of hazardous materials, 1999 - Elsevier
Laboratory studies were conducted in solid-phase reactors on a silty loam contaminated
with bis-(2-ethylhexyl) phthalate (BEHP) to determine the conditions under which calcium …

PFAS in municipal solid waste landfills: Sources, leachate composition, chemical transformations, and future challenges

ES Coffin, DM Reeves, DP Cassidy - Current Opinion in Environmental …, 2023 - Elsevier
Observed trends in municipal solid waste landfills reveal a distinct disparity between PFAS
composition entering in waste, mostly as diPAP and FTOH, and leaching out as FTCA and …

In-situ apparent conductivity measurements and microbial population distribution at a hydrocarbon-contaminated site

…, S Rossbach, EA Atekwana, WA Sauck, DP Cassidy… - Geophysics, 2004 - library.seg.org
We investigated the bulk electrical conductivity and microbial population distribution in
sediments at a site contaminated with light nonaqueous‐phase liquid (LNAPL). The bulk …

Combining in situ chemical oxidation, stabilization, and anaerobic bioremediation in a single application to reduce contaminant mass and leachability in soil

DP Cassidy, VJ Srivastava, FJ Dombrowski… - Journal of Hazardous …, 2015 - Elsevier
Laboratory batch reactors were maintained for 32 weeks to test the potential for an in situ
remedy that combines chemical oxidation, stabilization, and anaerobic bioremediation in a …

The effects of LNAPL biodegradation products on electrical conductivity measurements

DP Cassidy, DD Werkema Jr, W Sauck… - … of Environmental & …, 2001 - library.seg.org
Field geophysical studies have identified anomalously high conductivities in and below the
free product zone at many sites with aged contamination by light, non-aqueous phase liquids …

Investigating the geoelectrical response of hydrocarbon contamination undergoing biodegradation

…, AL Endres, WA Sauck, DP Cassidy - Geophysical …, 2003 - Wiley Online Library
A newly proposed geoelectrical model for hydrocarbon contaminated sites predicts high
conductivities coincident with the contaminated zone as opposed to the traditionally accepted …

Modified Fenton oxidation of diesel fuel in arctic soils rich in organic matter and iron

MK Sherwood, DP Cassidy - Chemosphere, 2014 - Elsevier
Modified Fenton (MF) chemistry was tested in the laboratory to treat three diesel fuel-contaminated
soils from the Canadian arctic rich in soil organic matter (SOM) and Fe oxides. …

Quantifying influences of interacting anthropogenic-natural factors on trace element accumulation and pollution risk in karst soil

H Tao, X Liao, Y Li, C Xu, G Zhu, DP Cassidy - Science of the total …, 2020 - Elsevier
This study quantified influences of interactions between anthropogenic and natural factors
on trace element accumulation and pollution risk in karst soils at regional and local scales …

Evidence for microbial enhanced electrical conductivity in hydrocarbon‐contaminated sediments

…, LA Smart, JW Duris, DP Cassidy… - Geophysical …, 2004 - Wiley Online Library
Bulk electrical conductivity of sediments during microbial mineralization of diesel was
investigated in a mesoscale laboratory experiment consisting of biotic contaminated and …