On September 23, 2013 Region 10 filed an Expedited Settlement Agreement which both initiated and concluded an administrative action against Siltronic Corporation for violations of CAA �112(r) risk management program requirements. The Region alleged that the company failed to comply with several risk management program requirements that apply to its use of hydrogen, hydrofluoric acid, and hydrochloric acid processes. Under the terms of the ESA, the company agreed to pay a penalty of $4,000.