How do researchers measure air emissions from open lots? What are they learning about ammonia, hydrogen sulfide, and particulate matter (dust) emissions? This presentation was originally broadcast on March 27, 2009. Continue reading “Air Emissions From Cattle Feedyards and Dairies”
Hydrogen Sulfide, How Serious an Outdoor Air Quality Concern
Hydrogen sulfide gas (H2S) is produced from animal manures under anaerobic conditions. Hydrogen sulfide is an odorant and is known as an indoor air pollutant where it can reach toxic, and even lethal, concentrations. But is it more than just an odorant at normal outdoor concentrations? This presentation was originally broadcast on September 19, 2008. More… Continue reading “Hydrogen Sulfide, How Serious an Outdoor Air Quality Concern”

