Karmen is an aquatic toxicologist. She has over 33 years of experience in ecological risk assessment, contaminated waste characterization, regulatory compliance, watershed science and toxicology. Karmen is also an educator and has been an associate professor for 10 years. Her work on the impacts of Superfund sites on aquatic environments has extended throughout the remedial process, from initial field studies through to risk analysis and remedy development. She has also been a part of teams updating Clean Water Act procedures and assumptions, and developing aquatic toxicity effect levels. Karmen is currently part of a team of scientists looking at the water balance in Colorado and identifying ways to address drought conditions and interstate water obligations. She also has extensive experience working with tribes, providing educational services and materials as part of Superfund ecological risk assessment methods training.