On September 29, 2023, EPA issued an Administrative Order (Order) to Professional Contract Sterilization, Inc. (PCS) requiring it to rectify alleged violations of the Clean Air Act at its commercial ethylene oxide sterilization facility in Taunton, Massachusetts. Under the Order, PCS must submit an overdue Notice of Compliance Status describing, among other things, the baseline operating parameters for its sterilization systems. The company must also submit overdue excess emissions and continuous monitoring system performance reports. The Order addresses noncompliance with Federal reporting requirements.