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Dioxin Remediation Timeline

Language: English | Vietnamese

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2008

  • USAID began working with the Office of the National Steering Committee 33 (Office 33), which coordinates the Vietnamese government's policies and programs related to Agent Orange. Bilateral discussions held about approaches for remediation.

2009

  • USAID and Office 33 sign a Memorandum of Understanding establishing the framework for the Danang Airport Remediation Project.
  • USAID begins preparing an Environmental Assessment (EA) to assess the extent of dioxin contamination and approaches to remediate Danang Airport.

2010

  • USAID completes the EA that recommended thermal desorption as most effective available and scientifically proven technology, for the remediation of Danang Airport.
  • USAID and Ministry of National Defense (MND) sign a Memorandum of Intent for implementation of the Danang Airport Remediation Project.

2011

  • The Prime Minister of Vietnam and MND approve plans for the Danang Airport Remediation Project.
  • MND clears unexploded ordnance from the remediation site and submits Environmental Impact Assessment (EIA) on the technology selection and project plan to the Vietnamese Ministry of Natural Resources and Environment (MONRE) for review.

2012

  • MONRE approved the Danang EIA in May 2012. 
  • USAID and MND launch the implementation of the Danang Airport Remediation Project on August 9, 2012.

2013

  • USAID excavates contaminated soil and sediment designated for Danang Phase 1 treatment.
  • USAID builds treatment containment structure and fills with approximately 45,000 cubic meters of excavated soil and sediment.

2014

  • USAID completes construction of the liquid/vapor treatment plant.
  • USAID and MND hold a community awareness event held in Danang.
  • Danang Phase 1 treatment begins.
  • USAID excavates majority of contaminated soil and sediment designated for Danang Phase 2 treatment.

2015

  • Danang Phase 1 treatment completed.
  • Treatment containment structure emptied and treated soil stockpiled for use in airport expansion.

2016

  • Initiation of Danang Phase 2 treatment. USAID modifies the containment structure to reduce rainwater infiltration which had complicated Phase 1 treatment. Contaminated soil and sediment loaded into structure and treatment begins.

2017

  • Danang Phase 2 treatment completed.
  • Treatment containment structure emptied again and treated soil stockpiled for use in additional airport expansion.

2018

  • USAID dismantles treatment structure, demobilizes the treatment plant, and restores the Danang site.
  • USAID hands back the Danang airport remediation site to the Vietnamese government.
  • USAID and Vietnam’s Military Science Department sign a Memorandum of Intent for cooperation on Dioxin Remediation of the Bien Hoa Airbase Area.

 2019

  • The Prime Minister of Vietnam and MND approve plans for the Bien Hoa Airbase Area Project.
  • MND clears unexploded ordnance from the remediation site and the Vietnamese Ministry of Natural Resources and Environment (MONRE) approves a Bien Hoa Project Environmental Impact Assessment (EIA).

2020

  • USAID and Vietnamese government partners finalize Bien Hoa Project Masterplan.
  • USAID initiates Bien Hoa excavation work and construction of long-term storage area for low dioxin concentration soils and sediments.

Last updated: May 12, 2022

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