2133: Copper, Silver, Lead and Zinc Smelting and Refining

• Classification 2133

• Copper, Silver, Lead and Zinc Smelting and Refining

• This class consists of units mainly engaged in primary smelting or refining of copper, silver, lead or zinc, or in the recovery of these metals from waste or scrap. The metal is cast into ingots or other basic shapes. This class also includes by-production of sulphuric acid in conjunction with the smelting of these metals.

• Primary Activities
• Blister copper manufacturing
• Copper smelting, refining
• Copper, silver, lead or zinc from scrap or waste material recovering
• Electrolytic copper manufacturing
• Electrolytic zinc manufacturing
• Lead smelting or refining
• Silver-lead bullion manufacturing
• Silver smelting, refining
• Spelter manufacturing
• Wirebar, copper, manufacturing
• Zinc smelting or refining

• Division C: Manufacturing
• Subdivision 21: Primary Metal and Metal Product Manufacturing
• Group 213: Basic Non-Ferrous Metal Manufacturing