Associated Press: A regional administrator of the U.S. Environmental Protection Agency who oversaw investigations that involved hydraulic fracturing in Wyoming and asbestos contamination in Montana is resigning.
EPA Region 8 Director James Martin will step down Friday. Martin had announced his resignation to EPA employees Feb. 15.
Martin said in his resignation letter it's time for him to turn his attention to his family.
"Of course, many challenges and opportunities lie ahead, for the agency and the region....