Regulations last checked for updates: Aug 10, 2025

Title 40 - Protection of Environment last revised: Nov 10, 2025
All TitlesTitle 40Chapter IPart 98Subpart IAppendix - Table I-8 to Subpart I of Part 98—Default Emission Factors (1-UN2O,j) for N2O Utilization (UN2O,j)
Collapse to view onlyAppendix - Table I-8 to Subpart I of Part 98—Default Emission Factors (1-UN2O,j) for N2O Utilization (UN2O,j)
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authority: 42 U.S.C. 7401-7671q.
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.
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