- Elements (1)
- Brine (1)
- Copper compounds or salts, inorganic (1)
- Magnesium compounds or salts, inorganic (2)
- Nonmetallic compounds (2)
- Phosphates, except fertilizers: defluorinated and ammoniated (1)
- Sulfur, recovered or refined, incl. from sour natural gas (1)
