Sentences with phrase «hydraulic fracturing activities»
From our assessment, we conclude there are above and below ground mechanisms by which hydraulic fracturing activities have the potential to impact drinking water resources.
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That's not our conclusion but EPA's, following a five - year, multi-million dollar study that found «hydraulic fracturing activities have not led to widespread, systemic impacts to drinking water resources.»
The authors of the proposal did not demand the immediate cessation of all hydraulic fracturing activities by the oil and gas giant, but rather requested that the corporation provide better disclosures regarding its fracking activities.
«This study provides the strongest large - scale evidence of a link between the pollution that stems from hydraulic fracturing activities and our health, specifically the health of babies.»
«The agency should include and explain the... investigations conducted in Dimock, Pennsylvania; Pavillion, Wyoming; and Parker County, Texas where hydraulic fracturing activities are perceived by many members of the public to have caused significant local impacts to drinking water resources,» states the advisory body's review.
Not exact matches
Its current activities include providing hydraulic fracturing and associated pumping services to producers in Western Canada and south Texas, as well as conventional fracturing solutions to clients elsewhere in Canada.
«Any action to lift the moratorium is premature and at a minimum, New York should wait until the EPA completes its own study on hydraulic fracturing before even considering whether the state should permit this type of drilling activity.»
He acknowledges that «absolute scientific certainty» about the safety of such a complex activity as high - volume hydraulic fracturing is unlikely ever to be achieved.
One of the most contentious areas of debate over the expansion of hydraulic fracturing for natural gas concerns a spike in seismic activity in unlikely areas that have begun fracking nearby.
High - volume hydraulic fracturing — the focus of recent attention and public concern — is defined by the state of Michigan as activity that is intended to use more than 100,000 gallons of hydraulic fracturing fluid.
«Hydraulic fracturing rarely linked to felt seismic tremors: Researchers find only one hydrocarbon - producing area where production is linked to increased seismic activities at the regional scale.»
Other human activites linked to seismic activity include hydraulic fracturing, in which a water mixture gets pumped underground to break up rocks and release gas, and fluid withdrawal, which can refer to the withdrawal of oil and gas, groundwater or hot water / steam for geothermal power, the USGS says.
While these percentages sound small, Atkinson pointed out that thousands of hydraulic fracturing wells are being drilled every year in the WCSB, increasing the likelihood of earthquake activity.
Previous Stanford research has shown that wastewater injected as a step in hydraulic fracturing (fracking) underlies an increase in seismic activity in parts of the central and eastern U.S., particularly in Oklahoma, starting in 2005.
Currie points out that hydraulic fracturing often moves into areas that didn't previously have industrial activity, providing the opportunity to measure health effects before and after fracking begins.
The injection activities considered in McGarr's study include underground disposal of wastewater, development of enhanced geothermal systems and hydraulic fracturing.
Oil and gas development activities, including underground disposal of wastewater and hydraulic fracturing, may induce earthquakes by changing the state of stress on existing faults to the point of failure.
Image courtesy: Michigan Department of Environmental QualityHigh - volume hydraulic fracturing — the focus of recent attention and public concern — is defined by the state of Michigan as activity that is intended to use more than 100,000 gallons of hydraulic fracturing fluid.
At the SSA Annual Meeting, experts will speak about the growing recognition that hydraulic fracturing or fracking can produce earthquakes magnitude 3 and larger, acknowledging that this type of seismic activity is difficult to predict and may be difficult to stop once it begins.
Estrogen and androgen receptor activities of hydraulic fracturing chemicals and surface and ground water in a drilling - dense region.
In its conclusion the EPA says, «This report describes how activities in the hydraulic fracturing water cycle can impact — and have impacted — drinking water resources and the factors that influence the frequency and severity of those impacts.»
Scientists are increasingly able to trace the source of earthquakes to human activities, including reservoirs, natural gas production through hydraulic fracturing, geothermal energy production, carbon sequestration, mining and water irrigation.
Consequently, the high methane concentrations with distinct positive δ13C - CH4 and δ2H - CH4 values in the shallow groundwater from active areas could in principle reflect the transport of a deep methane source associated with gas drilling and hydraulic - fracturing activities.
High volume hydraulic fracturing combined with horizontal drilling introduces heavy industrial activity and hazardous substances into property owners» backyards across America where families raise their children and farmers raise cattle and grow crops.
Ms. Ernst owns land near Rosebud, Alberta, and is suing EnCana Corporation, the ERCB (now the Alberta Energy Regulator) and Alberta Environment (now Alberta Environment and Sustainable Resources Development) for negligence in relation to the alleged contamination of her groundwater as a result of EnCana's hydraulic fracturing (fracking) activities in the area.