40 C.F.R. § 1.35
The Office of Enforcement and Compliance Monitoring, under the supervision of the Assistant Administrator for Enforcement and Compliance Monitoring, serves as the principal adviser to the Administrator in matters concerning enforcement and compliance; and provides the principal direction and review of civil enforcement activities for air, water, waste, pesticides, toxics, and radiation. The Assistant Administrator reviews the efforts of each Assistant and Regional Administrator to assure that EPA develops and conducts a strong and consistent enforcement and compliance monitoring program. The Office manages the national criminal enforcement program; ensures coordination of media office administrative compliance programs, and civil and criminal enforcement activities; and provides technical expertise for enforcement activities.
40 C.F.R. §1.35