External Opportunity: Attenuation Mechanisms and Degradation Kinetics of Minor Components of Common Groundwater Contaminant Mixtures

External Opportunity Program: Strategic Environmental Research and Development Program (SERDP)

Program Area: Environmental Restoration

Objective of Proposed Work:

The objective of this Statement of Need (SON) is to develop a better understanding of relatively minor components of common groundwater contaminant mixtures in terms of their degradation kinetics and attenuation in the environment. Of particular interest is their behavior at environmentally relevant concentrations (often <100 ppb) in both natural systems and in engineered systems designed for treatment of the more common groundwater contaminants found at Department of Defense (DoD) sites. The following research objectives are of interest:

  • Assess the natural attenuation mechanisms and degradation kinetics of chemicals of interest in groundwater at environmentally relevant concentrations.
  • Determine the fate and transport of chemicals of interest during implementation of common groundwater treatment scenarios for primary contaminants such as chlorinated solvents or petroleum hydrocarbons.
  • Evaluate whether minor modifications can be made to common groundwater treatment scenarios for improved treatment of low concentrations of chemicals of interest.

Proposals may address one or more of the objectives listed. The chemical of greatest interest is 1,4-dioxane as it frequently co-occurs at low concentrations with chlorinated solvents. Other chemicals of interest include 1,1-dichloroethane (1,1-DCA) and 1,2-dichloroethane (1,2-DCA). Other chemicals will be considered but must meet the criteria of co-occurrence with common groundwater contaminants within chlorinated solvent or petroleum hydrocarbon plumes at DoD sites; the rationale for inclusion of other chemicals must be clearly defined. Proposed efforts must be conducted at environmentally relevant concentrations to be considered.

To learn more visit: https://www.serdp-estcp.org/Funding-Opportunities/SERDP-Solicitations/Core-SONs/ERSON-23-C4-Attenuation-Mechanisms-and-Degradation-Kinetics-of-Minor-Components-of-Common-Groundwater-Contaminant-Mixtures