Mealey's (June 18, 2015, 4:42 PM EDT) -- HARRISBURG, Pa. — A collection of Pennsylvania environmental groups on Sept. 15, 2014, filed an appeal with the Pennsylvania Environmental Hearing Board (EHB), opposing the EHB’s decision to grant two hydraulic fracturing companies permits authorizing research and development activities to support the beneficial use, or processing prior to beneficial use, of drill cuttings for stabilized soil pavement (The Delaware Riverkeeper Network, et al. v. The Commonwealth of Pennsylvania Department of Environmental Protection, No. N/A, EHB)....