[American Society of Agricultural and Biological Engineers International Symposium on Air Quality and Manure Management for Agriculture Conference Proceedings, 13-16 September 2010, Dallas, Texas - ()] International Symposium on Air Quality and Manure Management for Agriculture Conference Proceedings, 13-16 September 2010, Dallas, Texas - Sodium Pentobarbital Residues in Compost Piles Containing Carcasses of Euthanized Equines