Mealey's ( April 24, 2023, 2:28 PM EDT) -- NEW ORLEANS — Three environmental groups cannot intervene in a judicial review of a U.S. Environmental Protection Agency final rule that says multiple states have inadequate state implementation plans (SIPs) to comply with the 2015 eight-hour Ozone National Ambient Air Quality Standards (NAAQS) because the groups have the same objective as the EPA and failed to show inadequate representation, a Fifth Circuit U.S. Court of Appeals panel held in denying the groups’ motion to intervene....