May be slightly irritating to eyes, hold eyelids open and flush with plenty of water. Undue breathlessness, wheezing, cough, and sputum production. Crystalline silica can cause silicosis, a progressive and frequently incapacitating pneumoconiosis evident on x-ray and in pulmonary function testing, as well as in subjective respiratory complaints. Also lung scarring produced by such inhalation may lead to a progressive massive fibrosis of the lung which may aggravate other pulmonary conditions and diseases and which increases susceptibility to pulmonary tuberculosis. Progressive massive fibrosis may be accompanied by right heart enlargement, heart failure, and pulmonary failure.
Smoking aggravates the effects of exposure.
Remove victim to fresh air and administer artificial respiration if required. If rash develops, get medical attention. Do not dry sweep. Wear protective equipment. Section VII - Handling and Storage Wear thick working gloves and safety glasses.