The mass of the filter after the passage of 250 dm3 of air in the grinding shop of the industrial enterprise increased by 1,5 mg. The dust contains 80% SiO2. MAC of the dust contained 80% SiO2 is 1 mg/m3
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The mass of the filter after the passage of 250 dm3 of air in the grinding shop of the industrial enterprise increased by 1,5 mg. The dust contains 80% SiO2. MAC of the dust contained 80% SiO2 is 1 mg/m3
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