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Battle continues for Fukushima
Efforts to cool down the reactors continued on Friday. A barge provided by the US Navy is preparing to pump large volumes of fresh water by hose to a water tank near the No.1 reactor.
Workers at the plant are replacing seawater with fresh water to cool the reactors and spent-fuel storage pools. The move follows concerns that salt in the seawater could clog up reactor equipment and hamper the flow of coolant water.
Near the No.4 reactor, 400 liters of a synthetic resin solution were sprayed in an experiment intended to solidify contaminated dust and prevent radioactive materials from getting airborne.
Plant operator Tokyo Electric Power Company is due to test the solution for about 2 weeks to see if it works.
Workers also face the challenge of removing and safely storing highly radioactive water found in and around the reactors.
On Friday, they emptied the No.2 reactor's condensate storage tank, with the same task at the No.1 reactor due to finish soon after.
The emptied tanks will make room for water from the turbine condenser, which in turn will provide storage space for radioactive water flooding the turbine units.
Contaminated water has also been found in deep tunnels extending from the turbine units of 3 reactors.
To prevent the water from spilling into the ocean, water-level monitors are being installed. The work is due to be completed by Saturday.
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