T/GDSES 9.7-2023 Active

Scope: This document stipulates the basic principles, work content, work procedures, methods, technical requirements, and environmental management requirements for risk assessment of post-remediation land parcels for redevelopment and utilization. This document applies to the health risk assessment of soil and groundwater in post-remediation land parcels during the vacancy period, redevelopment and construction period, and long-term utilization period in the Guangdong-Hong Kong-Macao Greater Bay Area (hereinafter referred to as the "Greater Bay Area"). This document does not apply to the risk assessment of post-remediation land parcels containing radioactive substance pollution and pathogenic biological contamination. Main technical content: Foreword Introduction 1 Scope of application 2 Normative reference documents 3 Terms and definitions 4 Basic principles, work content, and work procedures 5 Update of the conceptual model of post-remediation land parcels 6 Risk assessment during the vacancy period 7 Risk assessment during the redevelopment and construction period 8 Risk assessment during the long-term utilization period 9 Environmental management requirements for post-remediation land parcels 10 Report preparation Appendix A (informative) Exposure pathways of land use scenarios at various stages of post-remediation land parcels Appendix B (informative) Measured parameters and recommended values for health risk assessment of post-remediation land parcels Appendix C (informative) Outline for the preparation of risk assessment reports for post-remediation land parcels for redevelopment and utilization (reference style)