When the formaldehyde exceeds 4 times at 0.4 mg/m can cause throat discomfort or pain.When the formaldehyde exceeds 5 times at 0.5 mg/m can cause nausea and vomiting, chest cough, asthma and pulmonary edema;Concentration in per cubic meter of air up to 30 mg/m would immediately kill people shock. formaldehyde exceeds bid to do 1. Must keep ventilated for a long time in the home, can get the professional testing company, managing 2. Adsorption, activated carbon...
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