CFR›Title 40›Chapter I›Part 62›Subpart T›Subject Group Fluoride Emissions From Existing Primary Aluminum Plants ContainsSections 62.4627–62.4628CorpusDaily eCFRDisplayed edition2026-05-18Last updated2026-05-18 Sections 62.4627 § 62.4627 Identification of sources. 62.4628 § 62.4628 Effective date. Previous Fluoride Emissions From Existing Phosphate Fertilizer Plants Fluoride Emissions From Existing Phosphate Fertilizer Plants Next Landfill Gas Emissions From Existing Municipal Solid Waste Landfills Landfill Gas Emissions From Existing Municipal Solid Waste Landfills