human damage model. As a result, the expected remediation targets are rarely
achieved despite high remediation costs paid. At the same time, the prevailing
remediation techniques are relatively extensive and the remediation equipment
are relatively backward. China remains in the early stage in terms of the production and development of remediation equipment, the development of
remediation chemicals, and the application of remediation technologies.
At present, for the investigation, assessment and remediation of contaminated
sites in China, it is most imperative to establish and improve the risk assessment
system and to develop and apply assessment and remediation technologies. While
drawing on the advanced experiences of developed countries, China should formulate, as soon as possible, technical specifications for investigation and assessment that considers both China's national conditions and contaminated sites. With
the development of pollution remediation industry, China's contaminated site
remediation industry will adopt a risk assessment based on approach for remediation and gradually foster a technical system for whole process management of
contaminated sites, including environmental investigation, source intensity assessment, risk assessment, and remediation.
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1.3 Problems and Trends
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