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Japan nuclear update: No need to worry about Tokyo tap water, officials say

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(Read caption) A child holds a bottle of emergency long shelf-life mineral water distributed at a nursery school in Tokyo in this March 24 photo. Shops in Japan's capital ran out of bottled water on Thursday after a warning of radiation danger for babies in tap water from a damaged nuclear plant. But officials now say the water is safe to drink.

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The radioactivity of Tokyo tap water came within acceptable drinking limits for infants on Thursday, prompting Japanese officials to drop restrictions that had been raised a day earlier. But that positive news came as officials also announced that more three workers at the stricken Fukushima nuclear power plant were injured.

Tests on Thursday at the Kanamichi Water Purification Plant, which provides water to Tokyo, showed 79 becquerels of radioactive iodine per kilogram of water – bringing it under the 100 becquerels per liter limit for infants. The acceptable limit for adults it is 300. Yesterday officials measured it at 210.

Yet even at that above-normal level, scientists said there was no need for alarm. Otsura Niwa, a Kyoto University professor emeritus of radiation biology, told the Mainichi Daily News that "Japan's standards are too strict in the first place. Even if babies are given tap water, their parents don't have to worry too much about it."

Three Fukushima workers injured


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