Environment

Gelman Plume a Superfund Site?

Q. Why do local governments want the EPA to declare the Gelman dioxane plume a Superfund site? A. From the 1960s into the 1980s, Gelman Sciences discharged manufacturing wash water into ponds on its Wagner Rd. property. Bacteria...

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Gelman Plume Moves East?

Q. Why does the Gelman Plume move steadily eastward? I would expect a liquid to disperse in all directions.A. Ann Arbor water treatment plant manager Brian Steglitz explains: “Just like a river, groundwater has a gradient...

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