This standard specifies the working procedures for environmental assessment of contaminated sites and the general requirements for the three stages of pollution identification, on-site sampling analysis, and risk assessment. This standard is applicable to site environmental assessment during the development and reuse of industrial land. Other types of site environmental assessment may refer to these guidelines. This standard does not apply to site evaluation involving radioactive contamination.
DB11/T 656-2009 history
2019DB11/T 656-2019 Technical Guidelines for Investigation and Risk Assessment of Soil Pollution in Construction Land
2010DB11/T 656-2009 Site Environmental Assessment Guidelines