On August 3, 2017, Region 10 filed an expedited settlement agreement which both initiated and concluded an administrative action against the CHS, Inc. in Walla Walla, Washington 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 and aqua ammonia (concentration 20%) as a fertilizer. Most importantly, CHS, Inc.?s anhydrous ammonia storage tank failed to meet anhydrous ammonia storage and handling industry design standards in the use of anhydrous ammonia in preventing an ammonia release that could impact the community surrounding the facility. A plan provides important information to emergency responders and planners that includes accurate chemical quantities, emergency contacts and demonstrate operation and maintenance of the anhydrous ammonia and aqua ammonia (concentration 20%) storage processes at the agricultural fertilizer facility. The company agreed to pay a penalty of $8,500.