Indoor environmental pollution caused by 12 kinds of harmful practices mainly based on the new air system for years of environmental testing and treatment, and summarized the indoor environmental pollution caused by the performance of 12 major hazards, publicity to the public, please make the following self-expression judgment. 1. Every morning when you wake up, feel oppressed, nausea, and even dizziness; 2. The family often susceptible to colds; 3. Although no smoking, environmental tobacco smoke have little contact, but often feel uncomfortable throat, foreign body sensation, breathing poor; 4. home children often coughing, sneezing, decreased immunity, newly renovated house children do not want to go home; 5. family often skin allergies and other illnesses ductless air system, and is a mass of; 6. family There are a disease, but after leaving this environment, there are significant changes and improvement in symptoms; 7. Wall pregnant newlyweds a long time without fresh air system, the cause could not; 8. Pregnant women in normal pregnancy fetal malformations; 9 After the new move or newly renovated indoor plants is not easy to survive, easy to yellow leaves, wilted fresh air system Which is good, especially some of the vitality of the strongest plant is difficult to grow normally; 10. After the new move, domesticated pet cats and dogs Even tropical fish die somehow, and neighbors, too; 11. office environment, there is a feeling of work throat pain, respiratory dry, long time, dizziness, fatigue, after work is no problem. And other staff in the same building have this feeling; 12 newly renovated home and office room or buy new furniture glare, pungent, spicy smell, but the smell still lingers over a year. New home decoration pollution brings disease 2 TVOC hazards: volatile organic compounds due to not a single compound, adding among the compounds, multiplying, antagonistic and independent role is not clear, and the time and place of the different components of TVOC are not the same, so the impact on human health have also changed. Hazards generally as follows: the central nervous system, dizziness, headache, weakness, chest tightness and other symptoms; · sensory stimulation, smell uncomfortable stimulate respiratory and skin; · affect the digestive system, loss of appetite, nausea and other; · suspected hazards: local tissue inflammation, allergic reactions, neurotoxic effects. Benzene and BTEX harm: ? chronic benzene poisoning mainly benzene skin, eyes and upper respiratory tract irritation. Regular contact with benzene, and the skin may become dry due to degreasing, scaling, and some appear atopic eczema. Long-term inhalation of benzene can cause aplastic anemia, and the emergence of neurasthenia, manifested as dizziness, insomnia, fatigue, memory loss, thinking and judgment to reduce other symptoms. After leukopenia and thrombocytopenia, severe bone marrow skills disorders can occur, leading to aplastic anemia. If the complete destruction of hematopoietic function, can be fatal leukocyte granules disappear disease, and can lead to leukemia. In recent years a lot of Occupational Health data show that: long-term exposure of workers benzene mixture aplastic anemia prevalence is higher. Household air system price, Hirono Environmental Engineering (certified), Weishan air system provided by the Shandong Environmental Engineering Co. Hirono. "The new air system, central vacuum, central water, central air conditioning, floor and ceiling radiant panels and" preferred Hirono Shandong Environmental Engineering Co. (www.zdhjgc.com), the company is located: Torch Road, Jining City, north of the city building professionals Room 710 Washington, over the years, a wide field of environmental engineering to provide customers with the best quality service, Contact: Ding Jingli. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Hirono Environmental Engineering expect to be your long-term partner!