Скачать или смотреть Silica Dust

Silica is a substance found in rocks, sand & clay. In construction it’s found in concrete, mortar, sandstone & brick.

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Silica is a natural substance found in varying amounts in most rocks, sand and clay. In construction it is found in concrete, mortar, sandstone and brick.
You generate dust from these materials during many common construction tasks. These include cutting, drilling, grinding and polishing. Some of this dust is fine enough to get deep into your lungs. The fine dust is known as respirable crystalline silica (RCS) and is too fine to see with normal lighting. It is commonly called silica or silica dust.
Silica is the biggest risk to construction workers after asbestos. Heavy and prolonged exposure to RCS can cause lung cancer and other serious respiratory diseases. These include Silicosis and COPD.
The amounts needed to cause this damage are not large.
Common Controls used are:
• Water suppression of dust
• On-tool extraction of dust
• Using respiratory protective equipment such as dust masks and half mask respirators