A settling CAA defendant must perform injunctive relief, including the installation of a permanent benzene stripper; spend $5 million to implement a supplemental environmental project intended to reduce diesel emissions in the surrounding communities; and pay a total financial penalty of $40 million, comprised of a $31,424,000 civil penalty and $8,576,000 in stipulated penalties for violations of an earlier consent decree, in connection with alleged violations of NESHAPs for benzene waste operations and new source performance standards for volatile organic compound emissions from refinery wastewater systems, as well as the general requirement to use good air pollution control practices at its refinery in Whiting, Indiana.