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U.S. Army Corps of Engineers (USACE), Engineer Research and Development Center (ERDC), Cold Regions Research and Engineering Laboratory (CRREL), located in Hanover, New Hampshire, builds innovative products that support the warfighter, water resources, environment, infrastructure and homeland security. CRREL uses a multi-disciplinary research approach that solves the most difficult environmental physics and cold region engineering problems. With recognized international expertise, CRREL fosters partnerships across government agencies, academia and industry to solve complex problems.
Project: Stability and bioavailability of non-extractable residues of insensitive munitions compound 2,4-dinitroanisole (DNAN) in soils.
2,4-Dinitroanisole (DNAN), a component of new insensitive munitions being deployed by the U.S. military, is toxic and may contaminate training ranges through incomplete detonations. Because current remediation techniques are costly, we are studying non-extractable residue formation between biologically reduced DNAN products and moieties found in soil organic matter, a phenomenon that has been demonstrated in laboratory studies, as a decontamination strategy. We have added 15N- and/or 13C-isotopically labeled DNAN into soil columns that differ in organic carbon content and have begun extracting them to remove weakly-bonded DNAN residues. DNAN and its reduction products as well as non-extractable residues are then quantified using high-performance liquid chromatography (HPLC) and elemental analyzer-isotope ratio mass spectrometry (EA-IRMS), respectively, and the types of bonds formed between DNAN residues and soil are characterized using solid-state nuclear magnetic resonance (ssNMR) spectroscopy. The results of this study will further our understanding of the munitions loading capacity of soil and guide remediation efforts of contaminated sites.
What will I be doing?
Under the guidance of a mentor at the Biogeochemical Sciences Branch at CRREL, you will participate and gain knowledge in planning and conducting simulated physical, chemical, and biological weathering experiments and related analyses to test the environmental stability of the non-extractable DNAN residues. You will also evaluate the toxicity of these residues to plants and microbes and conduct other experimental and analytical research related to the project.
Where will I be located: Hanover, New Hampshire
What is the anticipated start date? June 5, 2023
Exact start date will be determined at the time of selection and in coordination with the selected candidate.
What is the appointment length?
This appointment is a full-time three-month research appointment. Appointment may be extended depending on funding availability, project assignment, program rules, and availability of the participant.
What are the benefits?
You will receive a stipend to be determined by ERDC-CRREL. Stipends are typically based on a participant’s academic standing, discipline, experience, and research facility location. Other benefits may include the following:
About ORISE
This program, administered by Oak Ridge Associated Universities (ORAU) through its contract with the U.S. Department of Energy (DOE) to manage the Oak Ridge Institute for Science and Education (ORISE), was established through an interagency agreement between DOE and DoD. Participants do not enter into an employee/employer relationship with ORISE, ORAU, DoD or any other office or agency. Instead, you will be affiliated with ORISE for the administration of the appointment through the ORISE appointment letter and Terms of Appointment. Proof of health insurance is required for participation in this program. Health insurance can be obtained through ORISE. For more information, visit the ORISE Research Participation Program at the U.S. Department of Defense.
The ideal candidate will have knowledge or passing coursework in a STEM field (environmental science or a related field, including chemistry, analytical chemistry, environmental engineering, plant science, microbiology) with an interest in environmental research. Prior laboratory experience is preferred but not required.
Application Requirements
A complete application consists of:
If you have questions, send an email to USACE@orise.orau.gov. Please list the reference code of this opportunity in the subject line of the email. Please understand that ORISE does not review applications or select applicants; selections are made by the sponsoring agency identified on this opportunity. All application materials should be submitted via the “Apply” button at the bottom of this opportunity listing. Please do not send application materials to the email address above.
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