Environmental Sciences, asked by patttimanijayasree, 6 hours ago

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​

Answers

Answered by amnaafroz7
0

Explanation:

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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