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Regulations last checked for updates: Jan 18, 2025
Title 40 - Protection of Environment last revised: Dec 30, 2025
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Title 40
Chapter I
Part 98
Subpart II
Appendix - Table II-2 to Subpart II of Part 98—Collection Efficiencies of Anaerobic Processes
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Appendix - Table II-2 to Subpart II of Part 98—Collection Efficiencies of Anaerobic Processes
Anaerobic process type
Cover type
Methane collection efficiency
Covered anaerobic lagoon (biogas capture)
Bank to bank, impermeable
0.975
Modular, impermeable
0.70
Anaerobic sludge digester; anaerobic reactor
Enclosed Vessel
0.99
authority:
42 U.S.C. 7401-7671q.
source:
74 FR 56374, Oct. 30, 2009, unless otherwise noted.
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