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The principles, contents, procedures and technical requirements of soil pollution investigation of construction land shall be clearly implemented to provide basic data and information for risk control and remediation of soil pollution on construction land.

Assessment and investigation of contaminated sites, assessment and investigation of principles, contents, procedures, methods and technical requirements of human health assessment.

Solid waste is a kind of solid, semi-solid and gaseous substance in the air, which is produced in the process of production, life and other activities, or has not lost the use value but is abandoned solid, semi-solid and gaseous substances in the air. There are many kinds of solid waste, which can be either a lost commodity or a discarded by-product. Therefore, it is an effective way and means to judge whether the substance belongs to solid waste or not.

Hazardous waste refers to one or more hazardous characteristics including corrosiveness, toxicity, inflammability, reactivity and infectivity that are included in the national hazardous waste list or determined in accordance with the identification standards and methods for hazardous waste stipulated by the State, as well as solid wastes with the above hazardous characteristics that are not excluded. NG28, as the leading enterprise of the third-party testing in China, has the qualification of detection methods specified in GB 5085.1 ~ GB 5085.6, and has the ability to undertake the identification of hazardous waste.

Physical, chemical or biological methods are used to fix, transfer, absorb, degrade or transform the pollutants in the soil of the site. The available remediation technologies are evaluated and demonstrated from the perspectives of technology, conditions and cost, and a feasible and economically feasible remediation scheme is proposed.

NG28 is committed to comprehensive monitoring in the field of environment. It can start the preliminary judgment of pollution situation, emergency monitoring scheme, tracking monitoring, emergency monitoring report, quality assurance and quality control.

NG28 provides environmental impact assessment and environmental consulting services related to environmental safety. Tianjin Eco-City Environmental Technology Co., Ltd., a subsidiary of China Test Group, has inherited the former Nankai University Environmental Planning and Evaluation Institute's Class A qualification for environmental assessment (National Environmental Assessment Certificate No. 1108) , One of the first batch of certification units issued by the Ministry of Environmental Protection in 2000) and the corresponding talents and technical capabilities. In recent years, through continuous technology accumulation and business promotion, they have gradually become capable of building project environmental assessment, planning environmental assessment, ecological demonstration, environmental protection acceptance, and environmental protection. Emergency plan, environmental protection survey, pollution discharge permit, environmental stewardship, soil pollution investigation and risk assessment, soil remediation technology research and development, contaminated site remediation acceptance, energy saving evaluation, water and soil conservation evaluation, groundwater evaluation, environmental protection technology product development and other whole-process environmental consulting services Technology-based enterprises. At present, the company is a member of the Council of China Association for Environmental Impact Assessment, a member of China Environmental Protection Industry Association, and a member of the Council of Tianjin Environmental Impact Assessment Association.