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Hydrogen sulfide gas (H2S) is produced from animal manures under anaerobic conditions. Hydrogen sulfide is an odorant and most people associate H2S with that 'rotten egg' smell. H2S is known as an indoor air pollutant of concern, where it can reach toxic, and even lethal, concentrations in confined manure storage pits.
But is it more than an odorant at outdoor concentrations? What perspective can be offered by a state regulatory agency that has regulated H2S from AFOs for several years and has a monitoring program in place? With the US EPA deliberating whether AFOs must comply with CERCLA/EPCRA reporting requirements (decision pertaining to ammonia and H2S emissions due out this fall), discussion of the scope of emissions from livestock operations seems warranted.
What can recent studies on H2S emissions from confinement buildings and from open lots tell us about the extent of importance to place on H2S as an outdoor air quality concern? Find discussion of these questions and more at the next webcast from the LPE Learning Center and sponsored by the Air Quality Education in Animal Agriculture project.
Speakers: Dr. Larry Jacobson, University of Minnesota. Jim Sullivan, Minnesota Pollution Control Board Representative, and Dr. Saqib Mukhtar, Texas AgriLife Extension.
Date & Time: September 19, 2008. 2:30 pm (eastern), 1:30 pm (central), 12:30 pm (mountain), 11:30 am (pacific)
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