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View article: Domestic groundwater wells in Appalachia show evidence of low-dose, complex mixtures of legacy pollutants
Domestic groundwater wells in Appalachia show evidence of low-dose, complex mixtures of legacy pollutants Open
Private groundwater wells in communities co-located with historically contaminated sites and ongoing industrial activity contain complex mixtures of low-dose organic chemicals.
View article: Assessing unconventional oil and gas exposure in the Appalachian Basin: Comparison of exposure surrogates and drinking water measurements in Ohio and Pennsylvania
Assessing unconventional oil and gas exposure in the Appalachian Basin: Comparison of exposure surrogates and drinking water measurements in Ohio and Pennsylvania Open
Background/Aim. Epidemiologic studies have reported associations between residential proximity to unconventional oil and gas (UOG) development and adverse health outcomes. Proximity-based metrics are useful for retrospectively assessing ag…
View article: Assessing Unconventional Oil and Gas Exposure in the Appalachian Basin: Comparison of Exposure Surrogates and Residential Drinking Water Measurements
Assessing Unconventional Oil and Gas Exposure in the Appalachian Basin: Comparison of Exposure Surrogates and Residential Drinking Water Measurements Open
Health studies report associations between metrics of residential proximity to unconventional oil and gas (UOG) development and adverse health endpoints. We investigated whether exposure through household groundwater is captured by existin…
View article: Groundwaters in Northeastern Pennsylvania near intense hydraulic fracturing activities exhibit few organic chemical impacts
Groundwaters in Northeastern Pennsylvania near intense hydraulic fracturing activities exhibit few organic chemical impacts Open
Hydrogeologic transport contributes to limited organic chemical contamination in a region of intense gas extraction, even 10 years post-development.
View article: Assessment of groundwater well vulnerability to contamination through physics-informed machine learning
Assessment of groundwater well vulnerability to contamination through physics-informed machine learning Open
Contamination from anthropogenic activities is a long-standing challenge to the sustainability of groundwater resources. Physically based (PB) models are often used in groundwater risk assessments, but their application to large scale prob…
View article: Comparing spatial exposure surrogates with detections and concentrations of unconventional oil and gas-related chemicals in residential drinking water
Comparing spatial exposure surrogates with detections and concentrations of unconventional oil and gas-related chemicals in residential drinking water Open
Approximately 30 epidemiologic studies of unconventional oil and gas development (UOG) to date have identified associations with adverse health outcomes, such as birth outcomes, asthma, and cancer. These studies used spatial surrogates of …
View article: Evaluating Domestic Well Vulnerability to Contamination From Unconventional Oil and Gas Development Sites
Evaluating Domestic Well Vulnerability to Contamination From Unconventional Oil and Gas Development Sites Open
The rapid expansion of unconventional oil and gas development (UD), made possible by horizontal drilling and hydraulic fracturing, has triggered concerns over groundwater contamination and public health risks. To improve our understanding …
View article: Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing
Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing Open
Degradation of drag reducer polyacrylamide under high volume hydraulic fracturing (HVHF) conditions alters its
\npolymer size, distribution and chemical composition, potentially affecting the toxicity and treatability of the
\nresulting wa…
View article: A Comonomer Strategy for Triggered Degradation and Re/Upcycling of High-Performance Thermoset Plastics
A Comonomer Strategy for Triggered Degradation and Re/Upcycling of High-Performance Thermoset Plastics Open
Thermosets play a key role in the modern plastics and rubber industries, comprising ~18% of polymeric materials with a worldwide annual production of 65 million tons. The high density of crosslinks that give these materials their useful pr…
View article: A Comonomer Strategy for Triggered Degradation and Re/Upcycling of High-Performance Thermoset Plastics
A Comonomer Strategy for Triggered Degradation and Re/Upcycling of High-Performance Thermoset Plastics Open
Thermosets play a key role in the modern plastics and rubber industries, comprising ~18% of polymeric materials with a worldwide annual production of 65 million tons. The high density of crosslinks that give these materials their useful pr…
View article: Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing
Mechanical degradation of polyacrylamide at ultra high deformation rates during hydraulic fracturing Open
Degradation of drag reducer polyacrylamide under high volume hydraulic fracturing (HVHF) conditions alters its polymer size, distribution and chemical composition, potentially affecting the toxicity and treatability of the resulting wastew…
View article: Polyacrylamide degradation and its implications in environmental systems
Polyacrylamide degradation and its implications in environmental systems Open
High molecular weight (10 6 –3 × 10 7 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and friction reducer in both enhanced oil recovery and hi…
View article: Emerging investigators series: prospects and challenges for high-pressure reverse osmosis in minimizing concentrated waste streams
Emerging investigators series: prospects and challenges for high-pressure reverse osmosis in minimizing concentrated waste streams Open
If challenges such as mechanical stability, scaling, biofouling and concentration polarization at high pressures are addressed, high-pressure RO could be used to efficiently remove water from high-salinity waste brines as part of a zero-li…