How long can stay renovated house for pregnant women? Answer this question we must first understand the existence of the house after the renovation of air pollution? According to the "civil engineering indoor environmental pollution control norms" and other relevant standards huoqiu formaldehyde detection governance agency, interior decoration project should be completed in seven days or delivered prior to use, indoor air quality inspection, that the renovation completed at least over 7 days after the air quality and acceptance of the conditions stay consistent with safety. So, how long after the house was renovated to live? Can not simply look at the length of time, if after the interior air standards huoqiu formaldehyde detection governance, then huoqiu formaldehyde detection CMA certification, you can stay immediately, on the contrary, if the empty house renovation after more than six months off, but the air is still not standard, then, can not stay still. So, after renovation detect it, in order to determine the air quality and then decide to stay, this is the most scientific approach, especially pregnant women, families have more need for air testing. Expert studies show that there are more than 500 kinds of volatile organic compounds in indoor air, where there are more than 20 kinds of carcinogens huoqiu addition to formaldehyde, 200 kinds of pathogenic viruses. Harmful are: formaldehyde, benzene, radon, ammonia and esters, such as trichlorethylene. Now the national standard "civil engineering indoor environmental pollution control norms" (GB-50325-2001) in the five control pollutants on human health hazards as outlined below: Formaldehyde is a colorless soluble irritant gases. Particleboard, MDF, plywood and other artificial board, adhesives and wallpaper are the main source of formaldehyde in the air, the release of up to 3 to 15 years. Can be absorbed through the respiratory tract, the health hazards of formaldehyde on a long-term, latent, hidden features. Long-term inhalation of formaldehyde can cause nasopharyngeal, laryngeal cancer and other serious illnesses. Huoqiu formaldehyde detection governance telephone, huoqiu formaldehyde detection governance, environmental protection provided by Chuzhou Green Ribbon Green Ribbon Indoor Environmental Services Limited. Chuzhou Green Ribbon Indoor Environmental Services Ltd. (www.lsd5188.com) strong, credible, Chuzhou, Anhui environmental projects in collaboration industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the green ribbon into the brilliant green and you work for a better future!