CFR › Title 40 › Part 421 › §421.18440 CFR §421.184Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAny new source subject to this subpart shall achieve the following new source performance standards:(a)Still liquor.(b)Chlorinator wet air pollution control.(c)Germanium hydrolysis filtrate.(d)Acid wash and rinse water.(e)Gallium hydrolysis filtrate.(f)Solvent extraction raffinate.