eprintid: 1899 rev_number: 9 eprint_status: archive userid: 6 dir: disk0/00/00/18/99 datestamp: 2017-09-20 05:14:14 lastmod: 2017-09-20 05:14:14 status_changed: 2017-09-20 05:14:14 type: article metadata_visibility: show creators_name: Ziemkiewicz, P.F. creators_name: Quarantab, J.D. creators_name: Darnell, A. creators_name: Wise, R. corp_creators: West Virginia Water Research Institute, West Virginia University,USA corp_creators: Benjamin M. Statler College of Engineering and Mineral Resources, Department of Civil and Environmental Engineering, West Virginia University, USA corp_creators: Benjamin M. Statler College of Engineering and Mineral Resources, Department of Civil and Environmental Engineering, West Virginia University, USA corp_creators: Benjamin M. Statler College of Engineering and Mineral Resources, Department of Civil and Environmental Engineering, West Virginia University, USA title: Exposure pathways related to shale gas development and procedures for reducing environmental and public risk subjects: O subjects: SHU divisions: SHEER full_text_status: none keywords: Marcellus hydraulic fracturing; Frac water quality; Pits and impoundments abstract: Hydraulic fracturing, combined with horizontal well development, has resulted in rapid expansion of gas production in the Appalachian Marcellus shale formation. In the past three years, over 2000 horizontal/hydraulic fracture (HHF) wells have been developed in Pennsylvania, presenting significant potential for environmental degradation and human health risk if wastes are not isolated and handled properly. This study examined the waste streams from HHF development in the Marcellus formation and proposes protective measures that would minimize exposure. The results showed that flowback, drilling muds, and HHF fluids all exceeded SDWA limits to varying degrees. Due to the contaminants found in these substances, proper handling and containment is essential to prevent harm to the environment. Field evaluations on a subset of pits and impoundments indicated several construction and maintenance deficiencies related to the containment systems and transport pipelines. The geomembrane liners were evaluated for tears and anchoring deficiencies, while liquid transfer pipes were assessed for bracing support against rupture. An out-of-sample probability analysis using the binomial distribution identifies trends to focus field construction and maintenance efforts in order to minimize exposure pathways of frac fluids to the environment. date: 2014-01 date_type: published publication: Journal of Natural Gas Science and Engineering volume: 16 publisher: Elsevier pagerange: 77-84 id_number: 10.1016/j.jngse.2013.11.003 issn: 1875-5100 access_IS-EPOS: limited owner: Publisher citation: Ziemkiewicz, P.F. and Quarantab, J.D. and Darnell, A. and Wise, R. (2014) Exposure pathways related to shale gas development and procedures for reducing environmental and public risk. Journal of Natural Gas Science and Engineering, 16. pp. 77-84. DOI: https://doi.org/10.1016/j.jngse.2013.11.003