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Standard
| GB 11725-1989 Health standard for dust containing more than 80% free silica in the air of workplace (English Version) |
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Detail of GB 11725-1989
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Introduction of GB 11725-1989
本标准规定了车间空气中含80%以上游离二氧化硅粉尘最高容许浓度。本标准适用于新建、改建、扩建的工业企业。对于现有工业企业有污染危害的，亦应积极采取行之有效的措施，逐步达到本标准的有关规定。
Contents of GB 11725-1989