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Hazards in Ceramic

Hazards in Ceramic
Lead poisoning from pottery glaze and paint NO form of lead or arsenic may be used in our materials without specific clearance and training from the instructor. Lead is hazardous to breathe, to ingest (eat), and can be released from firing into the air. Finally, any container glazed with these materials may be toxic to eat or drink from because lead can leach into food or drink stored in the vessel. While new pottery sold today in the United States is generally assumed to be safe from lead, occasionally one still reads about cases of pottery that is accidentally sold with dangerous amounts of lead in the glaze. Lead has many very serious effects if ingested. Lead can be absorbed from glazes by acidic food or drink. In paint, lead carbonate was formerly used for white. The following hazardous materials may be used with care and precautions. The court did not find legal proof of negligence on the part of the chemical suppliers. See:Alfred Franzblau, et.al. OUCH! I use a safety chain.

http://www.goshen.edu/art/DeptPgs/Hazards.html

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