Lab begins tests on chromium plume

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Los Alamos National Laboratory will begin pumping tests in two groundwater monitoring wells this summer located on lab property within a chromium plume in the regional aquifer.
The purpose of the pumping tests is to refine understanding of the plume properties within the regional aquifer and evaluate the potential for large-scale pumping to remove chromium. Chromium concentrations in the plume exceed state and federal standards for groundwater.
“These pumping tests are a key step in identifying measures to address the plume,” said Pete Maggiore, assistant manager for environmental projects at the Department of Energy’s Los Alamos Field Office. “Data from this testing will be used to recommend a final remedy which we will then submit to the state.”
The chromium investigation is part of environmental work being conducted under the 2005 Consent Order between New Mexico, the lab and the Department of Energy. Under the Consent Order process, the state will select a final remedy after input from the public.

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