The TC is due to conclude this year. A few results have caused concern. A field study they conducted on 2 July 2014, revealed from two sets of seawater samples, found that two filter cartridges were coated, which showed elements of cesium, a radioactive substance.
Then recently, trace amounts of cesium-134 and cesium-137 turned up in samples collected near Vancouver Island in British Columbia. The samples collected were separate from the monitoring project set up by IAEA but it is thought the only possible source of these radioactive elements is Fukushima, according to the Integrated Fukushima Ocean Radionuclide Monitoring(InFORM) Network. This is the first time that traces of cesium-134 had been detected near North America .
While these are trace amounts, the danger of radioactive material in any amount cannot be underestimated. However, the experts say that these levels detected cannot really harm us, they are still lower than those we could be exposed to from a dental x-ray for instance.