Investigation on occupational hazards in silicon carbide enterprise
2012
Objective To identify,analyze and test the potential occupational hazards and system of occupational health management in the silicon carbide enterprise,provide the evidence for controlling occupational hazards.Methods The methods of field occupational hygiene investigation,occupational health test and occupational health surveillance were adopted to evaluate the occupational hazards.Results Time weighted average(TWA)of dust was 0.3 to 5.9 mg/m3,excursion limits was 0.9 to 4.6,the parts of working posts didn't accord with national standards.The qualified rate of noise was 94.1%.Conclusion The main occupational hazards are silicon carbide powder and noise.Protective facilities for occupational hazards need to be improved,occupational health management measures and training should be strengthened and personal protective articles should be managed in the enterprise.
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