title: Capillary tension and imbibition sequester frack fluid in Marcellus gas shale.
authors.forename: Terry
authors.initials: T
authors.lastname: Engelder
mesh_terms: D055593:Geological Phenomena; D060587:Groundwater / Q000737:chemistry*; D012492:Salts / Q000737:chemistry*; D014872:Water Movements; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014881:Water Supply / Q000032:analysis*
chemical_list: D012492:Salts; D014874:Water Pollutants, Chemical