- Chemical Name:Sulphur dioxide
- CAS Number:7446-09-5
- Synonyms:SO2, Sulfur Oxide, Sulfurous Acid Anhydride, Sulfurous Anhydride, Sulfurous Oxide
Teck Cominco Sulfur Dioxide which comes under the category of industrial products and fertilizers are recovered from zinc and lead smelting operations in Trail, B.C.