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SECTION 2: Hazards identification

Acute effects Ingestion: unlikely under normal conditions of use; ingested dust may cause irritation or abrasion to the mouth and gastrointestinal tract. Eye: dust may cause irritation to the eye as a result of mechanical abrasion and/or alkalinity (if Calcium oxide or hydroxide are present). Skin: dust may cause irritation as a result of mechanical abrasion and/or alkaline components (if Calcium oxide or hydroxide are present). 1 Inhalation: dust may cause irritation of the nose, throat and airways resulting in coughing and sneezing. Some individuals, particularly those with asthma and other pre-existing respiratory illness, may be particularly susceptible to effects. Effects of prolonged and/or repeated exposure by inhalation Respirable mineral dust (including calcium carbonate, calcium sulphate, calcium aluminate and calcium silicate minerals): long term exposure to respirable dust in the workplace is associated with the development of pneumoconiosis (scarring of the lungs), increased risks of bronchitis and reduced life expectancy. Cellulose fibre: the results of animal experiments suggest that repeated exposure to large quantities of respirable cellulose may cause inflammation and scarring of the lung.