Reuters
中国北西部の甘粛省蘭州市で１１日、水道水から安全基準値の２０倍もの発がん性物質ベンゼンが検出され、市民らがペットボトルの飲料水を買い込むなどの混乱が起きた。
水道水の供給は一部の地域で停止され、市当局は２４時間以内は水道水を飲まないよう、市民に呼びかけた。
汚染された供給パイプは遮断され、活性炭によるベンゼン除去作業が進められているという。
水道会社の初期調査では、原水を処理施設に運ぶパイプで起きた工業汚染が原因だという。
蘭州市は人口３６０万人を擁する工業都市で、汚染が深刻な地域となっている。［北京／パリ １１日 ロイター］
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中国 大気汚染 画像集
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A little tourist wearing the PM2.5 mask walk on the Tiananmen Square during severe pollution on January 31, 2013 in Beijing, China. (Photo by Feng Li/Getty Images) (credit:Getty Images)
(02 of17)
Traffic moves along a street as pedestrians walk on an overpass shrouded in haze in Beijing, China, on Friday, March 15, 2013. China\'s new premier promised to crack down on corruption and clean up pollution, acknowledging the need to tackle two issues that have stoked public anger toward the country\'s leaders. (credit:Tomohiro Ohsumi / Bloomberg / Getty Images)
(03 of17)
Traffic moves along a street as pedestrians walk on an overpass shrouded in haze in Beijing, China, on Friday, March 15, 2013. China\'s new premier promised to crack down on corruption and clean up pollution, acknowledging the need to tackle two issues that have stoked public anger toward the country\'s leaders. (credit:Tomohiro Ohsumi / Bloomberg / Getty Images)
(04 of17)
Haze surrounds the International Commerce Centre (ICC) in the West Kowloon district of Hong Kong, China, on Monday, April 15, 2013. Hong Kong\'s air pollution index reached the \"severe\" level for the third time this year, triggering a government warning, as the lack of air flow trapped pollutants in the city. (credit:Jerome Favre / Bloomberg / Getty Images)
(05 of17)
Diesel fumes come out of a tug boat chimney as skyscrapers stand in the Wanchai district of Hong Kong, China, on Monday, April 15, 2013. Hong Kong\'s air pollution index reached the \"severe\" level for the third time this year, triggering a government warning, as the lack of air flow trapped pollutants in the city. (credit:Jerome Favre / Bloomberg / Getty Images)
(06 of17)
A man wears a mask as he walks down a street in Beijing, China, on Friday, March 15, 2013. China\'s new premier promised to crack down on corruption and clean up pollution, acknowledging the need to tackle two issues that have stoked public anger toward the country\'s leaders. (credit:Tomohiro Ohsumi / Bloomberg / Getty Images)
(07 of17)
Traffic moves along a street shrouded in haze in Beijing, China, on Friday, March 15, 2013. China\'s new premier promised to crack down on corruption and clean up pollution, acknowledging the need to tackle two issues that have stoked public anger toward the country\'s leaders. (credit:Tomohiro Ohsumi / Bloomberg / Getty Images)
(08 of17)
A woman wears a mask as she walks on a street in Beijing, China, on Friday, March 15, 2013. China\'s new premier promised to crack down on corruption and clean up pollution, acknowledging the need to tackle two issues that have stoked public anger toward the country\'s leaders. (credit:Tomohiro Ohsumi / Bloomberg / Getty Images)
(09 of17)
This picture taken on January 29, 2013 shows a general view of buildings in the heavy smog in Jilin, northeast China\'s Jilin province. Beijing urged residents to stay indoors on January 30 as emergency measures were rolled out aimed at countering a heavy cloud of smog blanketing the Chinese capital and swathes of the country. (STR/AFP/Getty Images) (credit:Getty Images)
(10 of17)
Chinese tourists look at the view from the historic Jingshan Park as smog continues to shroud Beijing on January 31, 2013. (MARK RALSTON/AFP/Getty Images) (credit:Getty Images)
(11 of17)
Two Chinese policemen guard in front of two LED screens on the Tiananmen Square during severe pollution on January 31, 2013 in Beijing, China. (Photo by Feng Li/Getty Images) (credit:Getty Images)
(12 of17)
A general view shows the Guotai Chambers building from the historic Jingshan Park as smog continues to shroud Beijing on January 31, 2013. (MARK RALSTON/AFP/Getty Images) (credit:Getty Images)
(13 of17)
A Chinese tourist takes photos from the historic Jingshan Park as smog continues to shroud Beijing on January 31, 2013. (MARK RALSTON/AFP/Getty Images) (credit:Getty Images)
(14 of17)
Chinese tourists looks at the view from the historic Jingshan Park as smog continues to shroud Beijing on January 31, 2013. (MARK RALSTON/AFP/Getty Images) (credit:Getty Images)
(15 of17)
Tourists visit the Tiananmen Square during severe pollution on January 31, 2013 in Beijing, China. (Photo by Feng Li/Getty Images) (credit:Getty Images)
(16 of17)
A little tourist wearing a panda mask walk on the Tiananmen Square during severe pollution on January 31, 2013 in Beijing, China. (Photo by Feng Li/Getty Images) (credit:Getty Images)
(17 of17)
The little tourists play on the ground with frozen ice at the Tiananmen Square during severe pollution on January 31, 2013 in Beijing, China. (Photo by Feng Li/Getty Images) (credit:Getty Images)