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PNAS Article FAQs
We have received a number of questions from the media, professionals and individuals regarding our study, "Evaluating a groundwater supply contamination incident attributed to Marcellus Shale gas development" by Llewellyn GT, Dorman F, Westland JL, Yoxtheimer D, Grieve P, Sowers T, Humston-Fulmer E, Brantley SL, 2015 (PNAS, doi: 10.1073/pnas.1420279112). In order to answer these questions and provide clarity, we have developed an FAQ that is attached to this post as a pdf!!! |
| Attachments:
Frequently Asked Questions about Llewellyn et al (2015).pdf
New PNAS Publication
Appalachia is pleased to announce a new publication "Evaluating a groundwater supply contamination incident attributed to Marcellus Shale gas development", which was recently published in the peer-reviewed journal Proceedings of the National Academy of Sciences (PNAS). The journal article was authored by Garth T. Llewellyn (Appalachia), Frank Dorman (Penn State), J.L Westland (Penn State), D. Yoxtheimer (Penn State), Paul Grieve (Penn State), Todd Sowers (Penn State), E. Humston-Fulmer (Leco Corporation) and S. L. Brantley (Penn State) and represents a collaborative effort to investigate gas drilling related impacts in SE Bradford County, PA outside of Wyalusing that occurred in 2010 and were investigated through 2012. Our press release can be accessed by clicking on the following link. http://news.psu.edu/story/355988/2015/05/04/research/new-technique-shows-shale-drilling-additives Please be advised that Appalachia nor its employees accepts responsibility for what may be reported by various news agencies. Although we are doing our best to inform the media with accurate information, what they publish is their responsibility. We encourage all those interested to read the PSU press release above and to carefully read our article, which can be accessed at the following link: http://www.pnas.org/content/early/2015/05/01/1420279112 |
New Journal Publication!
Appalachia has authored a new peer-reviewed journal article regarding natural brine migration and Marcellus Shale development! Llewellyn, G. T. (2014) Evidence and mechanisms for Appalachian Basin brine migration into shallow aquifers in NE Pennsylvania, USA. Hydrogeol. J., http://dx.doi.org/10.1007/s10040-014-1125-1 You can download the accepted manuscript from our publications page. Click on the link above to access the final published version. |
New Journal Publication!
Appalachia has coauthored a new peer-reviewed journal publication regarding Marcellus Shale impacts to water resources! Brantley, S. L., et al. (2014) Water resource impacts during unconventional shale gas development: The Pennsylvania experience. Int. J. Coal Geol., http://dx.doi.org/10.1016/j.coal.2013.12.017 |
Appalachia is pleased to provide LSRP services in the state of New Jersey!
Jim Llewellyn passed New Jersey's LSRP examination and is happy to provide LSRP consultation to those in need of assistance. |
Appalachia Provides Litigation Support & Expert Witness Testimony
Garth Llewellyn provided expert witness testimony as a hydrogeologist on behalf of the Plaintiffs vs. Chesapeake Energy in the Paradise Road, Wyalusing case. The matter was settled for $1.6 million during arbitration after the Plaintiffs presented their case. |
New Gas-Drilling Web Mapping Utility!
We recently added new content to our Gas-Drilling Website! Navigate to gas-drilling.appalachiaconsulting.com and then click on our Resource Center to access our Web Mapping Utility. We have posted plots of barium, chloride, methane and TDS concentrations throughout NE Pennsylvania free of charge! |
Presentation at Annual Geological Society Meeting
Garth Llewellyn will be presenting research regarding the hydrogeology of shallow bedrock throughout Susquehanna County, PA at the Marcellus Shale section of the 2011 Annual GSA meeting in Minneapolis! |
Our Gas Drilling-Dedicated Website is up!
Click on our gas drilling link, located on our Homepage or visit http://gas-drilling.appalachiaconsulting.com!! |
Appalachia Featured on energyNOW!
Appalachia has been featured as part of a energyNOW program on Marcellus Shale development throughout NE Pennsylvania. Follow the link provided to watch! |
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