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). |
|||||
