Particulate deposit crystalline particles

Figure 13. Typical particulate deposits. Key a, larger crystalline particles, and agglomerations of smaller particles after 10,120 ton h methane b, development of stable crystal habit and c, particulate material breaking through laminar carbon...

Volcanic ash Atmospheric particulates generated hy eruptions. Natural and anthropogenic disturbance of volcanic ash deposits, such as earthquakes, landshdes, construction activities. Inhalation. Irritation of respiratory tract asthma potential effects of crystalline silica and iron-rich particles within ash. 

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