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Hunan plant shut down as probe into lead poisoning of children begins

By Feng Zhiwei, Wen Xinzheng in Changsha and Luo Wangshu in Beijing (China Daily) Updated: 2014-06-16 08:35

A chemical plant in central China's Hunan province was shut down on Sunday on suspicion of being linked to the lead poisoning of more than 300 local children, following a report on Saturday about blood-test results.

The chemical plant, Meilun Chemical Materials Limited Co, which is suspected of discharging untreated water and waste, has been shut down, including the turning off of electricity and disassembling of manufacturing equipment, according to a news release on Sunday from the Hengdong county government. Additionally, the county's public security bureau has launched an investigation of the plant, according to the news release.

A report by China Central Television (CCTV) on Saturday said that blood tests on more than 300 children in Dapu township of Hengdong county found excessive levels of lead since 2012, indicating heavy metal poisoning.

The blood tests showed that the lead densities among local children reached as high as 501 micrograms per liter, far above the national standard of 100 micrograms per liter for children.

A Dapu resident surnamed Tang, who refused to disclose her full name, said that tests on her 14-year-old son, Li Long, showed excessive lead in his blood.

"Luckily the lead densities in his blood test are not way too high," Tang said.

Since becoming aware of the plant's suspected pollution last June, villagers began drinking bottled water instead of water from the well, according to Tang.

Local villagers panicked when many children were found to have excessive levels of lead in blood tests. They accused the Meilun company of discharging untreated dust and wastewater, both of which could cause lead poisoning.

Reports from CCTV said that the closer to the factory the children live, the higher the lead levels in the tests.

The head of Dapu township, Su Genlin, told a CCTV reporter that the lead poisoning was not necessarily caused by the plant.

"Children bite pencils, which may also cause the excessive levels of lead (in their blood)," Su was quoted as saying.

Huang Shuhan, physician of Xinqiao Hospital in Chongqing, said that excessive amounts of lead in the blood can harm the nervous system.

"Children who suffer lead poisoning may become retarded," he said, adding that pencil biting wouldn't harm 300 children at the same time. "It is not a single case," he said.

Cheng Jie, an environmental engineer at COWI, a consulting firm for engineering and planning, said that lead has been categorized as dangerous waste in chemical plants and should go through a strict procedure for degradation.

luowangshu@chinadaily.com.cn

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