Estimation of regional air-quality damages from Marcellus Shale natural gas extraction in Pennsylvania

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Estimation of regional air-quality damages from Marcellus Shale natural gas extraction in Pennsylvania
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This letter provides a first-order estimate of conventional air pollutant emissions, and the monetary value of the associated environmental and health damages, from the extraction of unconventional shale gas in Pennsylvania. Region-wide estimated damages ranged from 7.2 to 32 million dollars for 2011. The emissions from Pennsylvania shale gas extraction represented only a few per cent of total statewide emissions, and the resulting statewide damages were less than those estimated for each of the state's largest coal-based power plants. On the other hand, in counties where activities are concentrated, NOx emissions from all shale gas activities were 20–40 times higher than allowable for a single minor source, despite the fact that individual new gas industry facilities generally fall below the major source threshold for NOx. Most emissions are related to ongoing activities, i.e., gas production and compression, which can be expected to persist beyond initial development and which are largely unrelated to the unconventional nature of the resource. Regulatory agencies and the shale gas industry, in developing regulations and best practices, should consider air emissions from these long-term activities, especially if development occurs in more populated areas of the state where per-ton emissions damages are significantly higher.
Extraction of petroleum Video Electric power distribution Nonius Marcellus
Impact event Extraction of petroleum Hot working Extraction of petroleum Membrane potential Quality (business) Lead Nonius Marcellus
Extraction of petroleum Greenhouse gas Impact event Coal Weight Power station Emissionsvermögen Year Atomhülle Broadband Source (album) Apparent magnitude Direct current Cartridge (firearms) Atmosphere of Earth Electricity Angeregter Zustand Neutronenaktivierung
Truck Musical development Air compressor Emissionsvermögen Year Drill Stationery Order and disorder (physics) Stationery Source (album) Zeitdiskretes Signal Phase (matter) Visibility Ion Nanotechnology Neutronenaktivierung
Scale (map) Emissionsvermögen FACTS (newspaper) Neutronenaktivierung
Extraction of petroleum Impact event Musical development Intensity (physics) Emissionsvermögen Monitorüberwachung Lungenautomat Apparent magnitude Current density Standard cell Schwache Lokalisation Veränderlicher Stern Spare part Membrane potential Neutronenaktivierung
Paper Kilogram Spare part
maker right I'm a physical scientists around the lead author of this work was of evil it of its she is a PhD student in our party ran graduate school there is a range of potential
impacts associated with the extraction of shale
gas but 1 broad categories air pollution we wanted to do a case study of the potential magnitude of this impact in Pennsylvania were Massello shell extraction activity has increased dramatically in the last few years in this letter we provide a first-order estimate of the direct conventional air pollution emissions that are associated with the extraction of unconventional shale gas in Pennsylvania we also estimate the monetary value of the associated regional environmental and health images analysis does not consider the greenhouse gas implications of using shell gas and we don't estimate the net implications of substitution effects such as replacing coal with natural gas to produce electricity Our results indicate that in
2011 the total monetary damages from conventional air pollution emissions from Pennsylvania-based shall gas extraction activities range from about 7 comma decimal 2 232 million dollars for comparison the largest coal-fired power plant in the state was responsible for about 75 million dollars in damages in 2 thousand 8 so the total monetary value the damages is actually fairly small relative to the many other emission sources in Pennsylvania on the other hand that
the damages are not going to be constant over time and they're not evenly geographically distributed and their support implications of related to when and where these emissions damages occur so for example in the counties where activities are concentrated the king of NOx emissions from shale gas activities were on the order of 20 to 40 times higher than will be allowable for a single minor source so the activity equivalent to adding a major source of NOx emissions in these counties even though the individual facilities are being regulated as unrelated discrete minor sources with respect to when emissions happened two-thirds or more of total
emissions are related to the ongoing activities of gas production and compression and compressor station activities alone represents 60 to 75 per cent of all damages these emission sources or are going to be around for many years beyond the more visible development phase after the truck traffic has subsided and the well drilling of fracturing been completed It's interesting to
note that the majority of these emissions are unrelated to the fact that this unconventional resource so this is not a shale gas problem but it's an issue that you would face really with any large
scale industrial activity these results have a
number of pour implications with respect to
research estimates the letter relied on some preliminary and incomplete data so local and regional monitoring and additional data collection are going to be important for understanding the potential problems in regions where there's intense activity consideration of site-specific variability is really not possible without this metadata 1 policy implication is that regulatory agencies in the shale gas industry when they're developing their regulations and their best practices need to consider the emissions from other development activities as well as long-term activities and that the cumulative multi-source impact is also really important to consider when our were developing policies better understanding about the magnitude of emissions as well as the proper regulation for these emissions is important because under current standard industry practices he's extraction related emissions are virtually guaranteed and they're going to be part of the cost of doing business