As reported here:
According to TEPCO, radioactive iodine-131 was detected Monday in the seawater samples at levels 126.7 times higher than the legal concentration limit. Levels of cesium-134 were 24.8 times higher and those of cesium-137 16.5 times higher while a trace amount of cobalt 58 was detected in a sample of seawater taken from near the plant.
