Here should be listed all possible hazardous materials in a potter’s studio
Lead
Barium Carbonate
Barium Carbonate in the studio
Although barium carbonate is relatively insoluble in water, it is toxic to humans because it is soluble in the gastrointestinal tract.
Barium Carbonate in glazes
Soluble Salts
Natural Ash Glazes
Alkaline and can cause skin & eye damage