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Silicosis Prevention: Tool Box Session
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Georgia Tech Safety and Health Consultation Program
What is Silica? Composes 15% of Earth’s Crust Examples: Sand, Granite, other “Hard” rocks Quartz, most common Crystalline Silica has a diagnostic X-ray diffraction pattern Georgia Tech Safety and Health Consultation Program
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Georgia Tech Safety and Health Consultation Program
Silica and Disease 250 Worker deaths per year (175 deaths/yr from trenching accidents) Silicosis Tuberculosis Heart Disease Lung Cancer? Suspect Hum. Carcinogen –A2 (ACGIH) Georgia Tech Safety and Health Consultation Program
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Examples of Silica Exposures in Construction
Georgia Tech Safety and Health Consultation Program
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Georgia Tech Safety and Health Consultation Program
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Georgia Tech Safety and Health Consultation Program
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Georgia Tech Safety and Health Consultation Program
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Georgia Tech Safety and Health Consultation Program
Tuckpointing Georgia Tech Safety and Health Consultation Program
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Controls for Silica
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Types of Engineering Controls
1. Wet Methods 2. Ventilated Tools 3. Abrasive Blasting Controls: Alternate Media Alternate Processes Georgia Tech Safety and Health Consultation Program
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Wet Methods: Joint Cutting
Georgia Tech Safety and Health Consultation Program
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Wet Methods: Portable Saw
Georgia Tech Safety and Health Consultation Program
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Wet Methods: Pre-planning
Georgia Tech Safety and Health Consultation Program
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Wet Methods: Block Cutting
Georgia Tech Safety and Health Consultation Program
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Engineering Control 2. Ventilation
4/1/2017 Engineering Control 2. Ventilation Portable tools with dust exhaust: Surface Grinders Disc Grinders (tuck pointing) Crack chaser Scarifier Descaler Power chipping tools Retrofit Dust hoods Georgia Tech Safety and Health Consultation Program
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Control by Ventilation: Slab Cutting
Georgia Tech Safety and Health Consultation Program
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Control by Ventilation: Hand tools
Georgia Tech Safety and Health Consultation Program
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Control by Ventilation: Tuckpointing
Georgia Tech Safety and Health Consultation Program
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Engineering Controls: 3. Substitute Abrasives
Coal slag (“black beauty”) Steel grit & steel shot Aluminum oxide Sodium Bicarbonate (baking soda) Dust Suppressed Sand Frozen CO2 Ag. Prod. (walnut shells, corn cobs) Georgia Tech Safety and Health Consultation Program
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Silicosis is not a Curable Disease
Prevention is critical Use Safe Work Practices Georgia Tech Safety and Health Consultation Program
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