Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
Appendix - Table JJ-6 to Subpart JJ of Part 98—Collection Efficiencies of Anaerobic Digesters
Anaerobic digester type Cover type Methane collection efficiency
Covered anaerobic lagoon (biogas capture)Bank to bank, impermeable0.975
Modular, impermeable0.70
Complete mix, fixed film, or plug flow digesterEnclosed Vessel0.99
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.