CFR›Title 40›Chapter I›Part 62›Subpart NN›Subject Group Fluoride Emissions From Existing Primary Aluminum Plants ContainsSection 62.9620CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Sections 62.9620 § 62.9620 Identification of plan—negative declaration. Previous Emissions From Existing Small Municipal Waste Combustion Units Emissions From Existing Small Municipal Waste Combustion Units Next Fluoride Emissions From Phosphate Fertilizer Plants Fluoride Emissions From Phosphate Fertilizer Plants