Mealey's (February 12, 2019, 8:26 AM EST) -- MUSCATINE, Iowa — An Iowa state judge on Feb. 5 granted final approval to a settlement estimated to be worth at least $51.5 million that will end a class complaint over smoke, odor and haze emitted by a corn wet-milling plant in Muscatine (Laurie Freeman, et al. v. Grain Processing Corporation, No. LACV021232, Iowa Dist., Muscatine Co.)....