(November 7, 2016, 8:06 AM EST) -- ANNAPOLIS, Md. — In advance of a temporary ban on hydraulic fracturing that expires in 2017, the Maryland Department of the Environment (DEP) on Sept. 26 proposed regulations that, among other things, would require fracking operators to disclose to the DEP, medical professionals and public health professionals “full chemical information, including names and concentrations of chemicals used in hydraulic fracturing.”...