The Navy on Thursday laid out plans for a “double- wall stainless steel” tank system at the Red Hill fuel farm — accelerating its goal of providing secondary containment to keep the aged ...

The Navy has estimated that the least expensive method of double-walling its fuel tanks that in 2014 spilled 27,000 gallons (102,000 liters) of fuel could cost between $500 million and $2 billion.

A double-shelled tank holding more than 850,000 gallons of highly radioactive wastes may be leaking through both of its protective layers at the Hanford nuclear reservation in Eastern Washington ...