According to Tepco, Strontium-90 was detected at 2 locations in the Pacific. 17 Bq/m3 at 3km offshore of Ukedo river. 35 Bq/m3 at 3km offshore of Fukushima daini nuclear plant.
According to the far east customs house of Russia, two Japanese cars were rejected at Vladivostok port for excessive level of radiation. They are Nissan X-Trail and Toyota Vitz.
According to ministry of the environment, 4.4 Bq/Kg of Strontium-90 was measured from Teganuma lake of Kashiwa city Chiba. Strontium-90 is known to cause leukemia. The sampling date was 9/11/2012.
Strontium-90 was measured from sea water offshore Fukushima and Ibaraki according to MEXT. The sample was taken last October and November. Strontium-90 is from nuclear reaction, known to cause leukemia.