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Chapter 1 - Understanding Silica Fume
Silica Fume Definitions

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Slide
The question of any health-related concerns resulting from using silica fume is frequently raised. The ACI committee report on silica fume states that there are no know health problems that have been attributed to the use of silica fume in concrete. However, there are certain precautions that should be followed. Specific recommendations are on the next slide.

ACI 234R-96. Guide for the Use of Silica Fume in Concrete.