An alarm activated yesterday while crews were pumping waste from tank AY-102, a double-shelled tank at the Hanford Nuclear Reservation.
The Department of Energy notified the state Department of Ecology that a leak detector alarm went off.
However, after further investigation, there's no indication of waste leaking into the environment and there's no risk to the public at this time.
The alarm indicated an increase in waste seeping from the primary tank into the space between the primary and secondary tank, known as the annulus.
Crews have been actively removing waste from the tank since last month.
Tank AY-102 is one of 28 double-shell tanks at the Hanford site.
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