CFR›Title 40›Chapter I›Part 62›Subpart LL›Subject Group Emissions From Existing Sewage Sludge Incinerator Units ContainsSection 62.9121CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Sections 62.9121 § 62.9121 Identification of sources—negative declaration. Previous Effective Date. Effective Date. Next Emissions From Existing Small Municipal Waste Combustion Units Emissions From Existing Small Municipal Waste Combustion Units