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Authorities wide nets in Shenzhen on November 5, according to voice of the news reports of the evening rush hour, since the new term begins in September, Jiangsu, Shanghai, Guangdong and other places some of the primary schools, kindergartens have been experiencing the runway problems. Some symptoms such as dizziness, rashes, nosebleeds. Recently, two primary schools in Shenzhen City, Guangdong runways were again detected toluene and p-xylene standard. Among them, Mei Lin primary school will be closed for some time after the November 4 different sites reopened. Meanwhile, another primary school – Nanshan primary school of Beijing Normal University notified students normal class.
Nanshan primary school of Beijing Normal University students ' parents say, late for school on November 4 and I can smell the pungent odor of playground, playground construction hasn't been finished, have been opened.
According to the parents, a month before the summer holiday for children, says school renovation. Renovation begins on September 1 when part of the classroom has been completed, runway hasn't been finished. Those devices are still in the playground, paved runway. On paved in late September. In early October, began trickling rash with small children. A student said a 3 in his class nosebleed, while another student said they were on the playground in a fast 7 days, shed 6 nose.
Revamping project of the school's track, most completed before August 20, the playing field was completed in mid-September. Stadium runway paving material for prefabricated rubber roll.
So, Nanshan primary school of Beijing Normal University's materials and construction of the runway are there problems?
A few days ago, commissioned by the school inspection body for the school track field sampling, sampled a total of three blocks: one is not in use, raw materials, is a paved sun full of products, there is also a full exposure of the Sun under the shade of the finished product.
Test results showed that reference standard composite runway pavement limit of harmful substances: the school track shaded samples exceeded the sum of toluene and xylene. Nanshan primary school of Beijing Normal University teacher Wang said the Security Director, taiyangyang qualified inspection results, shaded test results, according to the report on the standard value of 0.05 mg, the last test result was 0.28 mg, exceed about 5-6 times.
Detection of unused raw material inspection, and Yang qualified samples. In this regard, the Education Bureau of Nanshan District of Shenzhen said, shaded expert analysis results caused by exceeding adhesive volatile time, needed further ventilation to evaporate. But it is also so that both parents still worry.
Parents think the adhesive needs air volatile, and in mid-September is children in school time, so worried about the risks. Child is now a nosebleed is affected.
After the results are announced, Nanshan District Education Bureau decisions excessive shade sections be eliminated, schools closed and temporarily deactivate the sports ground.
However, some parents are concerned about the effect these measures, expressed the hope that testing existing runway again and add items such as artificial turf testing.
Nanshan District Education Bureau said eradication has been blocked, just trim some branches, make enough for sunlight to shine on the runway. Volatiles from artificial turf, runways and classrooms-toluene-xylene monitors also needed to be done, these were not detected before. Have done before is no longer done.
On November 4, Futian District, Shenzhen City, problems similar to Mei Lin primary school classes in different places. Nanshan primary school parents received notification of school of Beijing Normal University, said the higher authorities, in accordance with the relevant provisions of the State, the school currently does not have the prerequisites for suspension, needs normal classes. If the children cannot go to school, please complete the leave procedures, the school will arrange for the teacher to guide their education take many forms. Parents say hope schools closed temporarily and testing again.
Insiders pointed out that, even if the materials used are all qualified, generally have to wait a period of time after the completion of construction in order to enable, in the interests of safety.
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