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留学生essay代写精选范文：“Hazardous waste management issues”，这篇论文讨论了危险废物管理问题。危险废物，就是指那些具有危险性的废物，一般都有毒性或者易燃性等。虽然我国已经制定了相关法律去处理危险废物的问题，但突发的危险废物污染事情还是时有发生。对此，我们应该加强对危险废物的管理，更加严格地监管这些危险废物，这样才能保证大家的安全。

Hazardous waste is flammable, corrosive, infectious, toxic and reactive items, environmental management of hazardous wastes has become the focus at this stage of solid waste management. However, the lack of adequate management of the environmental protection department is the main problem facing the moment, while time and resources are often insufficient to do the tracking process on the management of hazardous wastes, so the introduction of third-party environmental supervision is an effective means to solve this problem.

In recent years, in order to regulate the storage and transfer of hazardous waste, hazardous waste utilization and the harmless disposal to achieve maximum, China has promulgated a series of regulations and requirements, increase inspection and intensity of supervision, from all aspects of strong regulation of hazardous waste. Despite this, the sudden hazardous waste pollution incidents still occur, dumping waste illegally transferred spate of incidents on the environment caused serious security threat to people's health damage, serious impact on social stability. Faced with this situation, the introduction of in hazardous waste management environmental supervision mechanism, the whole process of regulation of hazardous waste disposal through a third party, is an effective measure.

Definitions of hazardous wastes are as follows: In the transport and storage process, the human body and the environment has become a huge threat to the waste hazardous waste. Characteristics of hazardous waste have the following main points: (1) the risk characteristics of hazardous waste is very obvious, cause harm to human health, environmental threat, a common medical waste, chemical waste, heavy metal waste . (2) corrosion resistance, capacitance chemical reaction, explosive and flammable. Root definition can be seen, hazardous waste harmful to humans and the environment easily, mainly for health hazards in the waste discharged into the atmosphere, water and soil, or if direct contact with the human body absorption will produce bodily injury. Due to the different characteristics of hazardous waste, so the degree of risk is different, divided into short-term acute and chronic categories.

Due to the underground lag and technical level of economic development stage of China compared with developed countries in the handling of hazardous waste, in a backward position. At this stage, the country meet the environmental standards required only a few hazardous waste disposal sites, and disposal in these fields, due to the lack of low levels of design and operational management experience, resulting in the processing level is still at a low level, for hazardous waste is often only a simple disposal and treatment, far short of harmless, resources, reduction of requirements. In addition, in some places among small and medium sized township enterprises, the phenomenon of domestic waste mixed with hazardous waste treatment often widespread, some companies will even mixing of hazardous waste in the garbage drained in about, or discharged into rivers or among stacked directly in the street. This approach not only very serious harm to the soil, but also pollute the groundwater systems and surface water around. Therefore, to update and improve the processing technology, hazardous waste treatment facilities, it has been a top priority.

Of a large quantity of hazardous waste generated, kind, involving all walks of life. Although China's Ministry of Environmental Protection of hazardous wastes has organized a special investigation, but the case of the distribution of hazardous waste flows, pollution status, history is still stockpiling and so thoroughly to find out. Some academics believe that our base number is unknown hazardous waste was mainly due to declare the registration of pollutants and environmental statistics based on sample checks exhaust emissions and wastewater determined on the basis of, hazardous waste not clear whether the representative of the judgment, and hazardous waste with a delay and concealment pollution of the environment, the enterprise is difficult to find concealed, omission, misstatement behavior, limited grass-roots environmental protection departments of hazardous waste management and identification techniques, it is difficult to determine accurate and comprehensive data sex.

In accordance with the requirements of environmental management in our country, the waste cannot be excluded hazardous waste, should be entrusted to qualified institutions related to identification, but the situation must be identified, applying body identification, identification procedures, found in the form of expert conclusion it is not given clearly defined, recognized the validity of the conclusions and no clear explanation, after the manner in which to resolve a dispute has not given a clear program. Therefore, identification of hazardous waste and hazardous waste identification China is still a lack of supporting laws and regulations. Our ability to identify weak hazardous waste, in addition to China's environmental protection department and minority areas of Gansu Province and other institutions announced the identification of a single name, publicity outside the hazardous waste identification program, the work to identify hazardous waste identification and undeveloped in most parts of China.

Necessary based on the environmental protection departments lack a lot of manpower and time to collect on a large number of companies producing waste hazardous waste transportation and disposal of the whole process of tracking and management, while the whole society on the dangers and safe disposal of hazardous waste lack of sufficient knowledge, companies producing waste disposal procedures for hazardous waste do not know enough about. Therefore, disposal of hazardous wastes in all aspects of the whole process of analysis, waste most prone to accidents for its temporary storage, collection, transportation and other sectors, its collection, storage, transport process technology and management behavior norms, disposal of the whole process of technical consultancy commissioned units of hazardous waste is necessary to carry out supervision. Supervision during disposal of hazardous waste, including hazardous range of waste sources, and temporary packaging hazardous waste, hazardous waste collection and transportation, storage and use, disposal of hazardous waste the whole series of processes.

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Of environmental protection departments should carry out the functions and content of the environmental supervision clearly, the units commissioned supervisory agencies hazardous waste generation can fully supervising disposal of hazardous waste, making environmental supervision reasonable, effective, normative. Environmental Supervision mainly the following: (1) complete production waste Enterprises hazardous waste management plan, including reducing the amount of hazardous waste generated measures to reduce the dangers of hazardous waste, and improve the collection of hazardous waste, use, storage, disposal and other aspects; (2) View company producing waste storage, disposal, use of hazardous waste facilities for compliance with the relevant provisions of the standard; (3) check the hazardous waste packaging, containers, collection sites, whether a disposal facility identification; (4) distribution professionals full supervision transfer of hazardous waste disposal; (5) review unit engaged in hazardous waste operations that have business license, the business carried out within a specified range; (6) waste production company to know whether truthfully declare the generation of hazardous wastes to the environmental protection department the amount, type, properties, hazards, disposal, and other related information flows; (7) to check whether production waste companies prepare hazardous waste contingency plans, contingency plans, when feasible, is legitimate.

Currently functions for environmental management in China is still in the administrative stage, it failed to achieve technical management level, mainly due to China and developed countries there is a huge gap in environmental management philosophy. Therefore, China's environmental supervision mechanism should be introduced as soon as possible, so that a sound environmental science and technology management system established as soon as possible so that the regulatory environment in the integration of technology management, this will help improve environmental policies, regulations and standards implementation operability. For management purposes, it should be primarily for environmental management services, and published as technical guidelines and specifications, and to develop technical guidelines and specifications shall be solely responsible for environmental management, environmental supervision agencies responsible for implementing specific implementation. Control of hazardous waste management technical specifications should include the following aspects: (1) identify the technical specifications; (2) Disposal engineering specifications; (3) the specified pollution control technology policy.

The introduction of the concept of environmental supervision of hazardous waste management, is a big attempt to take the form of management during the initial pilot, after the promotion in full swing. To comprehensively regulate the production of waste transporters and waste disposal company standards, to prevent the improper handling of hazardous waste due to the inflow of the environment make an important contribution.

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