[…] When analyzing the presence of legal pneumoconiosis, the ALJ properly discounted the opinion of Dr. David M. Rosenberg.  Dr. Rosenberg’s opinion that Mr. Marcum’s reduced FEV1/FVC ratio indicated that his impairment was not related to coal-mine dust is contrary to the Department of Labor’s preamble to the 2001 amendments to the regulations.  (The court relied heavily on its 2014 decision in Central Ohio Coal Co. v. Director, OWCP [Sterling], 762 F.3d 483 (6th Cir. 2014)—see here for a previous post analyzing Central Ohio.) […]