Cesium 137 Found in Tokyo Drinking Water

Bloomberg: Radioactive cesium-137 was found in Tokyo’s tap water for the first time since April as Japan grapples with the worst nuclear disaster in 25 years. The level was below the safety limit set by the government.

Cesium-137 registered at 0.14 becquerel per kilogram in Shinjuku ward on July 2 and none was discovered yesterday, compared with 0.21 becquerel on April 22, according to the Tokyo Metropolitan Institute of Public Health. No cesium-134 or iodine-131 was detected, the agency said on its website.

“This is unlikely to be the result of new radioactive materials being introduced” into the water supply, Hironobu Unesaki, a nuclear engineering professor at Kyoto University, said today by telephone. That’s “because no other elements were detected, especially the more sensitive iodine,” he said.

Japan is battling radiation leaks into the air, soil and water after an earthquake and tsunami on March 11 knocked out cooling systems at Tokyo Electric Power Co.’s Fukushima Dai-Ichi nuclear station, resulting in the meltdown of three of the six reactors at the plant.

Products including spinach, mushrooms, bamboo shoots, tea, milk, plums and fish have been found to be contaminated with cesium and iodine as far as 360 kilometers (224 miles) from the station. Prolonged exposure to radiation in the air, ground and food can cause leukemia and other cancers, according to the London-based World Nuclear Association.

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As reported by this ministry 5/10/11: The coming epidemics from tainted water will begin to spread shortly. Hospitals will be overwhelmed by the sheer number of people that are infected. Boiling water is still the best defense against water born diseases, and should also be boiled to bathe with. People living in flooded areas should follow this precaution.

The animal kingdom will also suffer from the effects. Those with pets in the infected areas should boil their drinking water also. Pets that are permitted free range will become infected. Livestock will also be at risk from the new strains of bacteria that are in the toxic brew if permitted to drink the tainted water.