It includes 11 kinds of pri-control pollutant listed in US EPA and Environmental Monitoring of China.

检出了11种美国EPA和我国环境监测总站规定的优先控制污染物。

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Air quality in the capital has deteriorated because of the heavy fog. Beijing's air was slightly polluted on Monday, according to the China National Environmental Monitoring Center.

由于浓雾的原因，首都的空气质量已经恶化。中国环境检测中心报告称，本周一，北京的空气质量呈轻度污染状态。

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Therefore, the emphasis of the marine environmental monitoring in coming year should be the coastal waters in China, especially, all kinds of the pollutant sources and near areas.

为此，未来我国海洋环境监测的重点应是近岸水域，尤其是各类入海污染源及其邻近海域，监测工作必须由近海向近岸及重点海域转移。

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According to environmental monitoring group the Worldwatch Institute, China now boasts 16 of the world's 20 most polluted cities.

CNN: China: Economic growth, environmental destruction

The Beijing Municipal Environmental Monitoring Center said high pollutions were also recorded in others parts of China, including Tianjin and Hebei province.

BBC: Smog and sandstorm engulf China's capital