"A recent report by a federal watchdog agency says pipes meant to carry radioactive waste at the Hanford Nuclear Reservation could leak, spray or even explode.
The pipes underground at the nuclear site near Richland, Washington, are a mix of old and new. That tangle of pipes and valves is a little like your city’s sewer system.
Meet the City of Richland’s sewage maintenance team."
Anna King reports for Oregon Public Broadcasting May 9, 2011.