67711-90-4 70514-65-7 70514-66-8 Anode reverberatory furnace fume baghouse collect Arc furnace baghouse collect Brick flue dust and main stack Cottrell dust Conditioning chamber dust and converter Cottrell dust Converter flue dust Converter hood dust Converter residue (baghouse oxide collect) Copper converter Cottrell dust Copper cottrell dust Copper reverberatory furnace spray chamber dust Copper smelter dust Cupel flue dust Cupola (blast furnace) baghouse collect EINECS 266-966-2 Flue dust, copper-refining Herreschoff roaster flue dust Pyrometallurgical flue dusts (copper refining) Pyrometallurgical flue dusts (coppr smelting) Pyrometallurgical flue dusts, copper smelting Reverberatory boiler dust Roaster-reverb flue dust Settling chamber dust Smelter dusts Sulfuric