Extraction of salt

This class includes: - Extraction of rock salt, grinding and screening of salt; - Salt production by evaporation of sea water or other saline waters; - Crushing, purification and refining of salt by the producer.

This class excludes: - Processing of salt into food-grade salt, e.g. iodized salt, see 10790 (Manufacture of other food products not elsewhere classified); - Potable water production by evaporation of saline water, see 36000 (Water collection, treatment and supply).