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 To view this content, log into your member account. (Not a member? Join Today!) Username or Email Address Password Remember Me Lost your password?