In order to protect human health, maintain ecological security and promote sustainable economic and social development, the state formulated the law of the People's Republic of China on the prevention and control of soil pollution, and revised the law of the People's Republic of China on the prevention and control of environmental pollution by solid waste. The law of the People's Republic of China on the prevention and control of soil pollution risks, the basic systems and rules for the general survey and monitoring of soil pollution are clearly defined in the law on the prevention and control of environmental pollution by solid waste, and the requirements for the identification and detection of solid waste and hazardous waste are gradually improved. As a well-known testing institution in the industry, CTI is familiar with the operation and management policies of the Chinese market and has rich experience. We can provide professional environmental testing services for soil testing, site investigation, solid waste and domestic waste landfill sites.