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(I) To strengthen comprehensive treatment of air pollution in industrial enterprises. Comprehensive measures will be taken to renovate coal-fired boilers. China will speed up in promoting centralized heating, and implement projects to "burn gas instead of coal" and "change from coal to electricity." Except for necessary reservations, the coal-fired boilers at or below 10 T/h will be basically eliminated in urban built-up areas in cities at the prefecture level and above by 2017, and it is prohibited to build new coal-fired boilers below 20 T/h; and in principle there will be no new coal-fired boilers below 10T/h in other areas. In areas where the heat and gas supply network cannot cover, electriaty new energy or clean coal will be used and energy-efficient and environment-ffiendly boilers will be popularized and applied. In areas where industrial enterprises concentrate in chemical engineering, papermaking, printing and dyeing, tanning, and pharmaceuticals, cogeneration units will be centrally built to phase out decentralized coal-fired boilers.
　　China will speed up the construction of desulfuration, denitration and dedusting renovation projects in key industries. All sintering machines and pellet production equipment of coal-fired power plants and iron- and steelworks, catalytic cracking ututs of oil refineries, and non-ferrous metal smelters will, be equipped with desulfurization facilities, and coal-fired boilers at or above 20T/h will be desulfLuized. All coal-fired units except arculating fluidized bed boilets will be provided with denitration facilities, and new dry process cement kilns willimplement technical reform of low- nitrogen combustion and install denitration facilities. Existing dedusting facilities of coal-fired boilers and industrial furnaces will be upgraded and renovated.
　　The state will strengthen pollution pfevention and control of volatile orgatuc compounds. Measures will be taken to comptehensively control the usage of volatile organic compounds in petrochemical, organic chemical, sruface coating, packaging, and printing indusuies, and carry out technical reforms of "leak detection and repair" in the petrochemical industry. Projects must be carried out to ensure oil vapor recovery and control at gas stations, oil storages, and oil tank trucks within a time timit, and at crude oil and oil product terminals. Efforts will be taken to improve the criteria for- threshold value of volatile orgaruc compounds in paints, adhesives, and other products, to promote the use of watef-based paints, and to encourage the production, sale, and use of low-toxicity and low-volatility organic solvents.