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This image shows a discharge from a bucket elevator onto a belt. This image shows the discharge from a bucket elevator onto a belt. This material transfer operation is not enclosed or exhausted. This allows silica containing dust into the environment as a fugitive dust. In addition, spillage from the belt skirts falls to the floor where it contributes to the overall dust burden.
   
This image shows a sub-grade pit filled with process materials which drop off the tail-pulley of a conveyor belt. This image shows a sub-grade pit filled with process materials which drop off the tail-pulley of a conveyor belt. This operation is not enclosed or exhausted. This allows silica containing dust into the environment as product drops off the belt at the change in direction.
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