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Safety and Health Topics > Mineral Processing Dust Control > Reducing Respirable Dust Levels > Illustrations

Illustrations
 
Figure 1
Figure 1: Respirable quartz exposure by occupation in mineral processing facilities 1988-92
Respirable quartz exposure by occupation in mineral processing facilities 1988-92



Figure 2
Figure 2: Schematic of B&BCD
Schematic of B&BCD



Figure 3
Figure 3: Test layout of evaluation site 1
Test layout of evaluation site 1



Figure 4
Figure 4: Gravimetric dust concentrations with and without B&BCD at evaluation site 1
Gravimetric dust concentrations with and without B&BCD at evaluation site 1



Figure 5
Figure 5: Reduction in RAM-1 dust concentrations with B&BCD at evaluation site 1
Reduction in RAM-1 dust concentrations with B&BCD at evaluation site 1



Figure 6
Figure 6: Product removed from exterior of bags with and without the B&BCD at evaluation site 1
Product removed from exterior of bags with and without the B&BCD at evaluation site 1



Figure 7
Figure 7: Test layout of evaluation site 2. Numbers is circle are dust-monitoring locations
Test layout of evaluation site 2. Numbers is circle are dust-monitoring locations

Figure 8

Figure 8: Increases in dust concentrations inside B&BCD at evaluation site 2
Increases in dust concentrations inside B&BCD at evaluation site 2



Figure 9
Figure 9: Reduction in RAM-1 dust concentrations with B&BCD device at evaluation site 2
Reduction in RAM-1 dust concentrations with B&BCD device at evaluation site 2



Figure 10
Figure 10: Dust liberated from squeezing of palletizer at evaluation site 2
Dust liberated from squeezing of palletizer unit at evaluation site 2



Figure 11
Figure 11: Product removed from exterior of bags with and without B&BCD at evaluation site 2
Product removed from exterior of bags with and without B&BCD at evaluation site 2
 
 
 
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