On March 31, 2016, Region 10 filed an expedited settlement agreement which both initiated and concluded an administrative action against CHS Inc. in Nezperce, Idaho (located on the Nez Perce Indian Reservation) for violations of CAA 112(r) Risk Management Program requirements. Respondent failed to comply with several risk management program requirements that apply to its use of anhydrous ammonia to manufacture ammonia (20% concentration or greater). The company agreed to pay a penalty of $12,000.