Marcellus Shale Cuttings Too Radioactive for Landfill Disposal? Industrywide Issues | Landfills | Pennsylvania | Soil | Statewide PA May 14, 2013May 14, 2013 The PA Dept. of Environmental Protection (DEP) is concerned enough about radioactivity in Marcellus Shale cuttings (leftover rock and dirt) they ordered Please Login to view this content. (Not a member? Join Today!) Related