Mealey's (July 10, 2019, 8:18 AM EDT) -- DENVER — Oklahoma, three chambers of commerce and two business associations on June 12 appealed a federal judge’s denial of a preliminary injunction against the 2015 federal Clean Water Rule to the 10th Circuit U.S. Court of Appeals (Oklahoma, ex rel. Mike Hunter, et al. v. U.S. Environmental Protection Administration, et al., No. 19-5055, 10th Cir.)....