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The author:(作者)delv
published in(发表于) 2013/10/29 2:33:45
Lanzhou air slightly polluted danshuanghao limit for three consecutive days

Staff writer, Lanzhou, October 22-reporter Zhao Zhifeng recently, Lanzhou city, Gansu province introduced what came to be called the most strict prevention and control of atmospheric pollution danshuanghao the limit line policy, provides for three days to reach slightly polluted urban air pollution index standard, the fourth day will start the motor danshuanghao the limit line.

Lanzhou is one of the most polluted cities in the country, especially in winter and spring, often "smoked lock" cities, prevention and treatment of air pollution as the city's important tasks. It is understood that from October 1 to March 31 this year, Lanzhou city will launch a 6-month winter air pollution prevention and control work. Previously, have been worked out of the city, such as "air pollution when the red alert, public vehicles stopped half" and "40 days before and after the winter solstice motor vehicles danshuanghao the limit line" and a series of related policies. According to the Department of transportation measured in Lanzhou city, if danshuanghao the limit line, the center of Lanzhou city traffic flow based on the current reduced 40%, automobile exhaust emissions will be considerably reduced.

Looking at the domestic, is unveiled a vehicle danshuanghao control air pollution in many cities limit line policy, but most of them have a hard targets, namely, "air quality index reaches high levels of pollution standards." Lanzhou introduced the most stringent limits behind the visit, quite serious air pollution situation on the one hand, on the other hand increasing the Lanzhou city road traffic density. It is understood that the traffic density is the total motor vehicles and the ratio of the total length of the road. Lanzhou traffic density per kilometre of 628 units, is twice more than double Hong Kong, Shenzhen.

Studies have shown that type of air pollution in Lanzhou has emerged out of the industrial, soot, dust and vehicle exhaust pollution characteristics of mixed type. From Lanzhou, a series of control air pollution policies, many policies are directed at the four major sources mentioned above.

Relevant experts believe that restrictions alone will not correct the underlying control air pollution and traffic congestion challenges, in the long run, we must strictly control the main air pollution in urban area, prohibited high-polluting industrial projects. At the same time, to adopt more stringent standards, increasing air pollution penalties.

(Original title: visit to Lanzhou introduced the most stringent limit)

　　本报兰州10月22日电 记者赵志锋近日，甘肃省兰州市出台了被称为国内最严的防治大气污染单双号限行政策，规定城区空气污染指数连续三天达到轻度污染的标准，第四天将启动机动车单双号限行。

　　兰州是国内污染最为严重的城市之一，特别是冬春季节，常常“烟锁”城市，防治大气污染成为这座城市的重要任务。据了解，从今年10月1日至明年3月31日，兰州市将开展为期6个月的冬季大气污染防治工作。此前，该市已出台了诸如“大气污染红色预警时，公用车辆停运一半”、“冬至前后40天机动车单双号限行”等一系列相关政策。据兰州市交通部门测算，如果实行单双号限行，兰州中心城区交通流量将在目前基础上减少40%，汽车尾气排放总量也将大幅减少。

　　综观国内，许多城市都相继出台了治理大气污染机动车单双号限行政策，但大都有一个硬性指标，即“空气质量综合指数达到重度污染标准”。兰州出台最严限行令的背后，一方面是颇为严重的大气污染现状，另一方面也是兰州城区日益增高的道路交通密度。据了解，交通密度就是机动车总量与道路总长之比。兰州的交通密度高达每公里628辆，是香港、深圳的两倍有余。

　　有研究表明，兰州大气污染类型已呈现出工业、煤烟、扬尘及机动车尾气混合型污染的特征。从兰州出台的一系列治理大气污染政策来看，很多政策都直指上述四大污染源。

　　有关专家认为，仅靠限行不能从根本上治理大气污染和交通拥堵难题，从长远来看，要严格控制主城区空气污染源，禁建高污染型工业项目。同时，要制定更为严格的标准，加大空气污染的处罚力度。

(原标题：兰州出台国内最严限行令)

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