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Dust free silica content
Dust free silica content, Total:2 items.
In the international standard classification, Dust free silica content involves: Occupational safety. Industrial hygiene, Air quality.
中华人民共和国国家卫生和计划生育委员会, Dust free silica content
- GBZ/T 192.4-2007 Determination of dust in the air of workplace.
Part 4：Content of free silica in dust
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Dust free silica content
- GB 11725-1989 Health standard for dust containing more than 80% free silica in the air of workplace