Carry out a general survey of pollution sources and implement the boiler low-nitrogen renovation plan

　　In order to promote the construction of ecological civilization in the urban area, Hexi District vigorously carried out the general survey of pollution sources, implemented the boiler low-nitrogen renovation plan, and promoted the large-scale inspection of hazardous waste, and achieved remarkable results. At present, 105 boilers from 49 domestic sources, 75 industrial sources, 3 sewage outlets into the river, and 16 mobile sources have been included in the scope of the census. Up to now, a total of 219 units have been investigated and verified in the large-scale investigation of hazardous wastes, and 131 auto repair companies outside the municipal list have been identified.

　　Since the beginning of this year, Hexi District has carried out a general survey of pollution sources. The survey data will include detailed investigations of sewage outlets in the river, investigations of VOCs-related enterprises, investigations of "scattered pollution", thorough investigations of boiler low-nitrogen combustion transformation, and promotion of underground oil tank transformation of gas stations. And provide data support for environmental governance decisions. At the same time, Hexi District implemented the boiler low-nitrogen renovation plan with high standards, convened many companies to hold on-site work meetings, formulated special work plans for each company, and urged the heating stations, production enterprises, and domestic boilers in the jurisdiction to complete the renovation on schedule. The NOx emission limit of the boiler was controlled at 30mg/m3, which has achieved significant emission reduction effects.

　　Hexi District also used online and offline methods to complete the task of issuing pollution permits with high quality, and organized enterprises to hold on-site training filling meetings by industry, and set up special projects by issuing "50 Questions on Pollution Permits" and "A Letter to Enterprises" Wechat groups and other methods are used to answer questions in real time to help companies complete online registration on time; at the same time, third-party agency professionals are organized to strictly check the materials submitted by the issuing companies, and put forward corrections for deficiencies in the submission to ensure the quality of certification. As of August this year, the district has completed the registration of all fixed pollution sources and a total of 187 enterprises' pollution permits and issued rectification notices.

　　Hexi District promoted high-quality large-scale investigations of hazardous wastes. For the problems found, they put forward rectification requirements and opinions on the spot, and combined traditional inspection training with publicity and education to guide all units to conduct self-inspection and rectification work, and achieved good publicity and education , Training, and the effect of law popularization. During the inspection, Hexi District resolutely implemented "horizontal to the side, vertical to the end, without missing a household" to effectively eliminate hidden environmental safety hazards in the bud and ensure the safety of the ecological environment.