Nature World: Another leak of radioactive water at the crippled Fukushima Dai-ichi nuclear campus was reported Thursday, and some of the water may have have reached the plant's harbor on the Pacific Ocean.
The water, which leaked out of a holding tank, contained 200,000 becquerels per liter of beta-emitting radioactive isotopes, including strontium 90. Levels of strontium 90 were found to be 6,667 times the legal limit, which is 30 becquerels per liter.
Tokyo Electric Power Co., the plant's operator, said...