CFR›Title 40›Chapter I›Part 62›Subpart R›Subject Group Fluoride Emissions From Existing Primary Aluminum Reduction Plants ContainsSection 62.4150CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Sections 62.4150 § 62.4150 Identification of plan—negative declaration. Previous Fluoride Emissions From Existing Phosphate Fertilizer Plants Fluoride Emissions From Existing Phosphate Fertilizer Plants Next Sulfuric Acid Mist From Existing Sulfuric Acid Production Plants Sulfuric Acid Mist From Existing Sulfuric Acid Production Plants