Does air coming from hog confinements contain manure?
January 25, 2018 by Des Moines Register
January 25, 2018, Des Moines, IA – The air leaving Iowa hog confinements contains manure and should be illegal under state law, according to a petition filed with the state.
Four northeast Iowa residents want the Iowa Department of Natural Resources to regulate the release of manure through the air in the same way it regulates the release of liquid manure.
The state requires that manure be retained until it’s applied as fertilizer to farm fields, the petition says. READ MORE