Indoor air testing personnel in pre-test, the first of the whole house will be closed, the doors and windows are closed, to minimize indoor air with outdoor air flow, in order to ensure the detection of air to the house the actual air Chuzhou measurement certification telephone, the entire closure need to continue 12 hours . 12 hours after Chuzhou measurement certification, testing personnel need to be collected after the closure of indoor air samples, testing personnel to carry special instruments "atmospheric sampling instrument" into closed after the house, with a triangular bracket to be sampled in the room, start the machine, air particulate filter sampling, the sampling duration for every 20 to 30 minutes, according to the needs, collecting air samples 3 to 5 for each room. After air sampling is completed, by the staff back to the laboratory, air testing, test projects are five indicators, namely formaldehyde, benzene, TVOC (total volatile organic compounds shorthand), ammonia and radon content detection . Once detected in indoor air pollution exceeded, consumers can choose from air pollution control air treatment company. Management personnel through the static air pollutants scavenger construction machine sprayed on the surface or inside sources contaminant removal, construction management program after all is done, then use the indoor rapid sterilization machines, air purifiers for sterilization, disinfection, odor. Formaldehyde has been identified by WHO as carcinogenic and teratogenic substances. Formaldehyde emission pollution, can cause watery eyes, cornea, conjunctival hyperemia inflammation, skin allergies, nasopharyngeal irritation, cough Chuzhou Metrology Accreditation CMA, acute and chronic bronchitis and other respiratory diseases, can cause nausea, vomiting, gastrointestinal dysfunction. Can also cause severe persistent headache, pneumonia, pulmonary edema, loss of appetite, and even lead to death. Long-term exposure to low doses of formaldehyde can cause chronic respiratory diseases, eye diseases, female menstrual disorders and disorders, pregnancy complications, birth defects, mental depression, in addition, will promote neonatal physical decline Chuzhou measurement certification authority, resulting in children heart disease. According to the American Medical departments for investigation, the release of formaldehyde pollution is caused by children aged 3-5 increased mainly due to asthma. Benzene has been diagnosed with a serious carcinogen experts. Long-term inhalation of high concentrations of benzene in the air can lead to chronic benzene poisoning, caused by atopic dermatitis, laryngeal edema, and thrombocytopenia, may also lead to severe aplastic anemia. Mild poisoning can cause drowsiness, headache, nausea, vomiting, chest physio flu, and may have mild irritation symptoms. Severe poisoning may appear blurred vision, tremors, shallow and rapid breathing, irregular heartbeat, convulsions and coma. After the benzene was excessive inhaled, can inhibit human hematopoietic function, can also lead to birth defects. Benzene is caused by an increase in childhood leukemia patients in recent years, a major incentive. Survey data show that in the city of childhood leukemia patients, 90% of households conducted within one year of interior decoration. Chuzhou, Chuzhou measurement certification bodies _ _ Green Ribbon environmental measurement certification provided by Chuzhou 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!