Today, the Shanghai Environmental Protection Association announced that from June 5th to August 5th, the Shanghai Environmental Protection Association and the Shanghai Decoration Club jointly launched a rental service for home improvement radiation monitors, and 294 family owners successfully applied for rental home improvement radiation protection. According to the statistics, there are only 28 households that are fully in compliance with the safety, health and low-radiation standards, less than 10%. Less than 10% of households meet safety and health standards Li Wei, deputy secretary-general of the Shanghai Environmental Protection Association, introduced that from April 22 to May 31, 2011, the municipal environmental protection association and other monitoring functions accepted 117 household and office building nuclear radiation tests, and the results showed that more than 80% of households and offices There are different levels of radiation in the building that exceed the Shanghai environmental radiation level by 0.13μSv∕h background ceiling. Since June 5, they launched the home improvement radiation monitoring device rental service, nearly 600 owners have come to visit and consult, of which 294 family owners successfully applied for renting home improvement radiation monitors, respectively for the bedroom, living room, bathroom, kitchen The average radiation dose rate of the four major units is self-monitoring. Li Wei introduced that this test is based on the air absorption dose rate data published by the Ministry of Environmental Protection and other countries, and the annual radiation dose estimate is not greater than the national mandatory standard (GB18871-2002) public exposure limit 1mSv leap year ( 1mSv=1000μSv), they took the lead from the natural stone radiation prevention and control classification standard (A is not restricted in scope of use, B can not be used for home decoration, C can only be used for exterior finishes of buildings), and combined with annual radiation average dose estimates The computing system converts the monitored data. "After expert survey data statistics, the safety and health levels of home annual radiation dose estimates are divided into three levels: A. Safe and healthy low-radiation home, B. Sub-health radiation home, C. Harmful health radiation exceeds the standard home." In the survey statistics, only 28 households with safety, health and low radiation compliance standards accounted for 9.5%; 196 households with sub-health radiation households, accounting for 66.7%; 70 households with radiation exceeding the standard, accounting for 23.8% . Experts said that the so-called "safe and healthy low-radiation home" means that the radiation dose rate of the bedroom is not more than 0.13μSv∕h and the average annual radiation dose of the left-behind family is not more than 1000μSv; the "sub-health radiation home" means: year The radiation dose is estimated to be no more than 1000μSv leap year, but the single-emission dose rate of the four major units exceeds 0.13μSv∕h; “Hazardous health radiation exceeds the standard†means that the average annual radiation dose has exceeded 1000μSv leap year, four major units The single dose dose rate exceeds 0.13 μSv∕h. Stone, ceramic sanitary ware radiation dose is worrying What is worrying is that in the statistics of individual stone radiation monitoring dose rate statistics, the radiation dose rate of some stone varieties is up to 0.36μSv∕h; the radiation monitoring dose rate data in ceramic sanitary ware (mainly by wash basin and toilet) In statistics, some well-known big brand style wash basins and toilets up to 0.37μSv∕h; in the wall and floor tile radiation monitoring dose rate data statistics, some brand models have a radiation dose rate of up to 0.39μSv∕h, far beyond Shanghai The ambient radiation level is about twice the background limit of 0.13μSv∕h. Li Wei told reporters that during the monitoring, they found that the radiation monitoring dose rate data of a well-known wall tile produced in the south was as high as 0.25μSv∕h. "But there are also good phenomena: some of the ceramic sanitary wares that are well-known in the Shanghai market have been monitored. The radiation monitoring dose rate is basically between 0.1 and 0.11μSv∕h, which is basically completely controlled by the occupants. Within the dose range," Li Wei said. Should the public take immediate precautionary measures against the above-mentioned nuclear radiation environment above the background limit of Shanghai's radiation level of 0.13μSv∕h? Li Wei believes that it is not necessary to talk about nuclear discoloration, grass and trees, and not to be indifferent, not to listen to, but to improve their awareness of radiation protection, under the guidance of professionals, correctly identify the purchase of green and low radiation Stone, wall and floor tiles, sanitary ware and other building materials and household products, "Strive to make green environmental protection, low radiation safety and health become the first choice for buying a house." From now on, rent a nuclear radiation monitor to the family From today, the Shanghai Environmental Protection Association will carry out a series of public welfare science activities in the city to purchase families with affordable housing and prevent the generation of air pollution sources during the home improvement process. Firstly accept the first batch of 1000 families of affordable housing to apply for the first day of rent-free use of home improvement radiation monitors, to achieve early warning and avoid the premature factors of blood system malignant diseases caused by excessive home radiation caused by home improvement. The first batch of design functions for self-service home-based nuclear radiation monitors in the room, adopted the FD-3022 portable gamma spectroscopy measurement method, and was developed and customized by the original expert team of the National Nuclear Industry 263 Factory. 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