through a series of one of history's most stringent pollution control measures

June 4th, in the forty-third world environment day, news office City Hall "bulletin" issued in 2013 the environmental situation in Lanzhou City, "bulletin" analysis of environmental situation in our city in 2013 from the five aspects of the atmospheric environment, water environment, acoustic environment, solid waste and ecological environment.

year experience 15 times the dust weather

2013 in our city to further increase the pollution control efforts, through a series of one of history's most stringent pollution control measures, completed one Cheap Dodgers jerseys year ahead of the urban area 440 767 Taiwan 4347 tons of Cheap Rays jerseys steam coal-fired boiler renovation, implementation of coal-fired boiler and pollutants "double zero". The number of days of good air for 299 days, a year-on-year increase of 29 days. The total number of days throughout the year 81.82%. Air quality integrated pollution index was 2.52, down 0.4% from the previous year.

2013, sand and dust weather occurred in Lanzhou city in 15, compared with 2012, occurrence frequency increase 6 times. The instantaneous concentration of inhalable particles in the dust weather occurred at 0.129 ~ 1.901 mg / cubic meters, of which 3 times the dust weather the highest concentration values are greater than 1 mg / cubic meter. PM10 average concentration of 0.153 mg / m3, `12.5% increase over the previous year, more than Cheap Athletics jerseys two national standards (0.07 mg / m3).

closed 2 focus on wastewater discharge enterprise

2013 Lanzhou city drinking water source total water intake was 187211900 tons, 187211900 tons annual water standards. The Lanzhou section of the the Yellow River surface water quality is generally good, the 5 section helps bridge and new bridge section monitoring to two kinds of water quality standards, water quality good; Baotou Lanzhou bridge and Shichuan bridge section reached the national standard of three types of water, water quality in good condition; Huangshui bridge section for four kinds of water quality, water quality is poor.

last year the city's wastewater emissions of 189570000 tons, the industrial waste water discharge volume of 49090000 tons, accounting for 25.9%; life and other sewage emissions by 140480000 tons, accounting for 74.1%. The COD and ammonia emissions of major pollutants in the wastewater were 46221 tons, 8318 tons.

based on the stable operation of Cheap Astros Jerseys sewage treatment plant, built the West sewage treatment plant supporting pipe network Cheap Rockies Jerseys project of the west line of sewage pipe network, complete the Yantan area sewage pipe network supporting 16.629 kilometers and sewage lifting pumping station. At the same time, the increase of industrial sewage and agricultural pollution source control, built Lanzhou petrochemical branch company of industrial wastewater treatment and comprehensive treatment project, the rain drainage ethylene spent caustic treatment project and other projects, closed down 2 focus on wastewater discharge enterprises.

sound environment quality improved

regional environmental city noise was 54.7 decibels, compared with the previous year decreased by 2.6 dB, the noise source proportion: traffic 25.9%, industry 3.3%, 42.9%, 0.4%, 27.4% other construction noise. Monitoring results show >