Investigating The Adverse Effects Of Chalk Dust Inhalation
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Chaun Dong is a researcher form the Shanxi University School of Chemistry and Chemical Engineering

                       

Investigating The Adverse Effects Of Chalk Dust Inhalation

Teaching with chalk is an ancient and economical method of teaching that is used in many areas of the world, especially in China. Chalk sticks and blackboard are the most common tools during chalk teaching. While writing and scraping on a blackboard, the chalk sticks release total suspended particulate (TSP), including coarse and fine chalk dust particles. Because ambient fine particulate matter may be introduced into the human respiratory system and reach the lung alveoli, they have the potential for...

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