Years ago, plutonium was allowed to contaminate the soil near the Rocky Flats Nuclear Arsenal in Colorado. When the wind blew hard, nearby neighborhoods were exposed to invisible, potentially toxic, radiation. Pouring over weather data and writing elaborate calculations, Jill Weber Aanenson mapped the path of these radionuclides to understand where they went and who might have been exposed.
With this work in 1995 Jill began her professional consulting career studying radiation and other contaminants in the environment. In recent years, she has collaborated with teams of scientists evaluating sites including the Hanford Nuclear Reservation in Washington and the Los Alamos National Laboratory in New Mexico. Although she travels to collect data and meet with colleagues and clients, most of her work is done from her home office in the small town of Freeman, South Dakota.
Growing up in Sioux Falls, Jill loved math and science, as well as playing basketball and the alto sax. Her teachers recognized her academic talents and encouraged her to look far and wide at colleges, but Jill chose to stay close to home. “I am a momma’s girl,” she confesses, “and I just wasn’t ready to leave yet.”
At Augustana College in Sioux Falls, she was challenged academically. During the summers, she applied for and accepted interships at various national laboratories, including Brookhaven in New York, Kennedy Space Center in Florida and Goddard Space Flight Center outside Washington, D.C. These jobs gave her a chance to see other parts of the country and work with top scientists from around the nation. Continue reading this post…




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