Groundwater near Columbia River in Hanford, WA polluted with chromium
March 8, 2007, Hanford, WA
Hanford - According to the Tri-City Herald,
Hanford workers have discovered by far the largest concentration yet of chromium
polluting the ground water near the Columbia River. More than half of $10
million of a 2006 congressional earmark for ground water technology and cleanup
projects at Hanford is being spent to solve problems with chromium that was used
to prevent corrosion in the cooling systems of reactors producing plutonium for
the nation's nuclear weapons program. Despite a decade of treating chromium
within the ground to turn it into a less-harmful form, there has not been a
significant decrease in chromium contamination. DOE officials believe it's
because somewhere in the several square miles around the reactors, chromium is
getting into the ground water as fast as it is being removed from the water
closer to the river. Attempts to narrow down the potential source or sources of
contamination are currently underway.
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