Current information on air emissions from livestock feeding operations isn't sufficient for making informed policy decisions, Environmental Protection Agency administrator Stephen L. Johnson says. So the EPA and
The two-year study will focus on 21 livestock farms in 9 states around the country, monitoring dust and other particulate matter, organic compounds, ammonia, hydrogen sulfide, and CO2, and the report will provide advice for farmers on how to curb these emissions. A report of findings is scheduled for late 2009.
The design of the study has been reviewed internally by EPA and externally by other scientists,