In China, the maximum allowable concentration of formaldehyde is 0.08 mg/m3 (0.08 mg/m3).
Because the new house smells after renovation, the smell of formaldehyde is harmful to health. There are more rooms to be placed after renovation, so it will take 3-6 months.
If the new house has been two years, it can be said that it has completely reached the national maximum allowable concentration of formaldehyde of 0.08 mg/m3.
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