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Harmonization of Soil Contamination and Waste Management

Explore strategies and guidelines for coordinating and integrating soil contamination and waste management activities, including characterization, control, treatment, and reuse. Discuss the harmonization of standards and the need for long-term monitoring mechanisms.

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Harmonization of Soil Contamination and Waste Management

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  1. The harmonization between soil contamination and waste managementJyh-Shing YangCTCI Roundtable Oct.25 ,2007

  2. Coordination of soil and waste management activities Mgmt. strategies and guidelines for risk mgmt. Characterization and control of wastes Classification and control of soil contamination Harmonization Landfill Remediation Treatment Reuse/land application Uniformity of targets and standards

  3. Integration of contaminated soil treatment and waste control Integrated environment control strategy Soil control Waste control Contaminated soil (exceed threshold) Recycled inorganic products Recycle process (classification/stabilization) Off-site treatment (incin./solidification/Oxd.) Landfill site Final disposal Land application (soil/ road material) Cost effectiveness evaluation

  4. Suggestions for the harmonization of standards (1) Resource recovered material (incl. reuse of wastes) Exceeding threshold of Soil contamination Recovery process (regulations of TSDS) On-site treatment (new guidelines) Off-site treatment (regulations of TSDs) Meet standards Standards of Landfill sites Recovery of contamination Land application (contact to soil) On the basis of risk consideration, “Acceptance standards of landfill” has to be connected to “Control thresholds of soil contamination”

  5. Suggestions for the harmonization of standards (2) • The authorities shall set the mechanism to investigate the status of those recycled inorganic materials from wastes been used as road construction foundations. • Need guidelines and standards for industries to handle and process contaminated soil on-site. • For the off-site treatment of contaminated soil, the guiding principles shall be synchronized and integrated with the existing system and standards for the TSDs of solid wastes. • Based on risk evaluation studies, differences between the allowance of landfill sites and the classification of soil contaminations shall be integrated and harmonized by stage wise control policy and standards.

  6. Suggested harmonized standards: heavy metals

  7. Suggested harmonized standards: organics

  8. Topics for discussion • How to set the harmonized control measures for both soil contamination and solid waste control. • Do we need long term monitoring mechanism to control the land applications of waste recovery and reutilization? • Can we follow the mechanism of waste regulations to control the treatment and disposal of contaminated soil?

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