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U.S. Environmental Protection Agency

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Research Opportunity on the Aquatic Toxicity, Uptake, and Partitioning of PFAS U.S. Environmental Protection Agency (EPA) in United States

Degree Level

Master's

Field of study

Chemistry

Funding

Monthly stipend commensurate with educational level and experience; listed stipend range is $50,460.00–$61,722.00 yearly.

Deadline

Nov 23, 2026

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Country

United States

University

U.S. Environmental Protection Agency

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Keywords

Chemistry
Environmental Science
Biology
Analytical Chemistry
Statistical Analysis
Mass Spectrometry
Quality Control
Salud Pública
Ecotoxicology
Bioaccumulation
Statistics
Aquatic Ecotoxicology

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About this position

This research opportunity at the U.S. Environmental Protection Agency in Duluth, Minnesota focuses on the aquatic toxicity, uptake, and partitioning of per- and polyfluoroalkyl substances (PFAS). The project examines how broad classes of PFAS behave in aquatic systems, how they accumulate in biota, and how they partition in biphasic systems such as octanol/water.

Working with EPA scientists and co-mentors Will Backe and Ian Mundy, the participant will contribute to experimental design, sampling strategy, aquatic toxicity assays, tissue collection, and data collection for water quality and biological performance. The research also involves advanced chemical analysis of PFAS in exposure systems and biological samples using chromatographic and mass spectrometric instrumentation, along with interpretation of experimental data and reporting of results.

The project is embedded in a multidisciplinary research group that includes chemists, biologists, and toxicologists. The environment emphasizes laboratory practice, QA/QC, method development, statistical analysis, and collaboration on manuscripts, reports, and scientific presentations. The overall aim is to generate data that support risk-based guidelines and ecotoxicity prediction models.

Funding details

Monthly stipend commensurate with educational level and experience; listed stipend range is $50,460.00–$61,722.00 yearly.

What's required

A qualified candidate has obtained, or is currently pursuing, a master’s degree in one of the relevant fields, with the master’s degree received within the past 5 years or within four months of completion. Candidates with a bachelor's degree in a relevant field and research experience equivalent to a master's degree will also be considered, with the bachelor's degree received within the past 5 years. This opportunity is available to U.S. citizens only. Preferred qualifications include laboratory research experience beyond college coursework, experience acquiring and processing water, sediment, and biota samples for chemical analysis, familiarity with liquid and gas chromatographs and mass analyzers such as single quadrupole, triple quadrupole, and Orbitrap mass spectrometers, familiarity with vendor software such as Thermo, Agilent, SCIEX, and Waters, statistical data analysis and data comparison skills, experience with aquatic organisms in ecotoxicology research, familiarity with Microsoft Excel and the R programming language, and strong record keeping, quality assurance, quality control, and good laboratory practice skills.

How to apply

Scroll to the bottom of the opportunity page and click APPLY. Submit the application, transcripts, a current resume/CV, and two educational or professional recommendations. Ensure all documents are in English or include an official English translation.

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