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Energy and Environment Directorate

Environmental Health & Remediation Highlights

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Dust Busters

Integrated air dispersion models help demolition workers breathe easier at contaminated facilities

April 2017

PNNL researchers are using integrated air dispersion modeling to help foster a safe work environment at for demolition workers at Hanford’s radioactive facilities.

Separation Technique for Radioactive Technetium

Composite promises efficient pertechnetate removal for nuclear waste immobilization

January 2017

A tin-aluminum-phosphate composite synthesized by researchers at PNNL has separated troublesome pertechnetate—a difficult-to-immobilize chemical form found in the highly radioactive contaminant technetium-99 (Tc)—in alkaline nuclear wastes. Based on six months of testing, the results hold important implications for using these composites for immobilizing low-temperature waste forms.

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