StacksVerified U.S. regulatory reference

40 CFR Part 98, Table AA-1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Wood furnishBiomass-based emissions factors(kg/mmBtu HHV)
a CO2CH4 | N2 O
North American Softwood94.4 | 0.0019 | 0.00042
North American Hardwood93.7 | 0.0019 | 0.00042
Bagasse95.5 | 0.0019 | 0.00042
Bamboo93.7 | 0.0019 | 0.00042
Straw95.1 | 0.0019 | 0.00042

a Includes emissions from both the recovery furnace and pulp mill lime kiln.

[78 FR 71965, Nov. 29, 2013]