More Fukushima Daiichi tidbits
Filed Under Nuclear | Comments Off
all from Japan Today [Kyodo News]
Radioactive strontium detected 62 km from Fukushima plant
…54 becquerels of strontium 89 per kilogram were detected in soil collected in the city of Fukushima on April 27… 1,500 becquerels of strontium, was detected in soil collected on May 6 in the town of Namie located 24 km northwest of the nuclear plant… detected 1,000 becquerels of strontium in the village of Iitate, 220 becquerels in the town of Kawamata and 30 becquerels in the town of Hirono.
Sr-89 has a pretty short half-life, 50 days, but emits a hard β-. I’d be interested to see if any of the other detects were of Sr-90, which is more dangerous as it’s half-life is 28.9 years.
Blackout hits Fukushima nuclear plant’s Nos. 1, 2 units
The… plant suffered power outages at its Nos. 1 and 2 reactors temporarily Wednesday, with lights in the units’ central control room being cut off… The system to transfer data from radiation monitoring posts was found to have partly stopped. The blackout is also believed to have affected the nitrogen supply system for the No. 1 unit’s containment vessel so its operation was stopped manually.
TEPCO to test new water treatment system at Fukushima plant
During the trial run, low-level radioactive water that has been kept at a tank on the plant premises will be sent into the new installation to see if it can… lower its radiation levels and desalinate it.
TEPCO also began testing seawater treatment equipment at the seaside plant Thursday for removing leaked radioactive cesium, with plans to begin full operations after monitoring the trial run for two to three days.
Testing seawater treatment too? Ouch…
Fukushima’s Date City to give dosimeters to all children
The city said the distribution of about 8,000 dosimeters will be part of its efforts to ensure children’s health as there are radiation ‘‘hot spots’’ in the city
Never a good sign that you are monitoring kids individually…
Shizuoka retailer told to stay quiet about radiation level in tea
Shizuoka Prefecture told a Tokyo-based mail order retailer to refrain from carrying information on its website that radioactive materials in excess of the standard limit were detected in tea grown in the prefecture, the retailer said Friday.
So cesium above the limits was found in the tea… not good.
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