The Scientific Basis for Estimating Air Emissions from Animal Feeding Operations: Interim Report (2002)
Chapter: Appendix D. Twenty-three Model Farms Described by EPA
Appendix D
Twenty-Three Model Farms Described By EPA
| Elements of Model Farms | ||||
Animal | Model Farm ID | Confinement and Manure Collection System | Solids Separation Activities | Manure Storage and/or Stabilization | Land Application |
Beef | B1A | Drylot (scraped) | Solids separation for runoff (using a settling basin) | Storage pond and stockpile | Liquid and solid |
Beef | B1B | Drylot (scraped) | No solids separation | Storage pond and stockpile | Liquid and solid |
Dairy | D1A | Freestall barn (flush); milking center (flush); drylot (scraped) | Solids separation | Anaerobic lagoon and stockpile | Liquid and solid |
Dairy | D1B | Freestall barn (flush); milking center (flush); drylot (scraped) | No solids separation | Anaerobic lagoon and stockpile | Liquid and solid |
| Elements of Model Farms | ||||
Animal | Model Farm ID | Confinement and Manure Collection System | Solids Separation Activities | Manure Storage and/or Stabilization | Land Application |
Dairy | D2A | Freestall barn (scrape); milking center (flush); drylot (scraped) | Solids separation | Anaerobic lagoon and stockpile | Liquid and solid |
Dairy | D2B | Freestall barn (scrape); milking center (flush); drylot (scraped) | No solids separation | Anaerobic lagoon and stockpile | Liquid and solid |
Dairy | D3A | Milking center (flush); drylot (scraped) | Solids separation | Storage pond and stockpile | Liquid and solid |
Dairy | D3B | Milking center (flush); drylot (scraped) | No solids separation | Storage pond and stockpile | Liquid and solid |
Dairy | D4A | Drylot feed alley (flush); milking center (flush); drylot (scraped) | Solids separation | Storage pond and stockpile | Liquid and solid |
Dairy | D4B | Drylot feed alley (flush); milking center (flush); drylot (scraped) | No solids separation | Storage pond and stockpile | Liquid and solid |
Poultry-broilers | C1A | Broiler house w/bedding | None | Covered cake and open litter | Solid |
Poultry-broilers | C1B | Broiler house w/bedding | None | Covered cake | Solid |
Poultry-layers | C2 | Caged layer high rise house | None | None | Solid |
| Elements of Model Farms | ||||
Animal | Model Farm ID | Confinement and Manure Collection System | Solids Separation Activities | Manure Storage and/or Stabilization | Land Application |
Poultry-layers | C3 | Caged layer house (flush) | None | Anaerobic lagoon | Liquid |
Poultry-turkey | T1A | Turkey house w/bedding | None | Covered cake and open litter | Solid |
Poultry-turkey | T1B | Turkey house w/bedding | None | Covered storage of cake | Solid |
Swine | S1 | Enclosed house (flush) | None | Anaerobic lagoon | Liquid |
Swine | S2 | Enclosed house (pit recharge) | None | Anaerobic lagoon | Liquid |
Swine | S3A | Enclosed house (pull plug pit) | None | Anaerobic lagoon | Liquid |
Swine | S3B | Enclosed house (pull plug pit) | None | External tank or pond | Liquid |
Swine | S4 | Enclosed house w/pit | None | None | Liquid |
Veal | V1 | Enclosed house (flush) | None | Anaerobic lagoon | Liquid |
Veal | V2 | Enclosed house w/pit | None | None | Liquid |
SOURCE: Adapted from EPA (2001a, Table 1). | |||||
