The Department of Environmental Quality adopted amendments to 58.01.01, Rules for the Control of Air Pollution in Idaho. The purpose of this rulemaking is to revise §§760 through 764, Rules for the Control of Ammonia from Dairy Farms, by adding best management practices using Zeolite, an ammonia-reducing product. http://adm.idaho.gov/adminrules/bulletin/bul/09bul/09jan.pdf p. 449.