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peter236

Avoid Japanese things.

lo_pak

Assume the radioactive dust is constantly leaking from the Fukushima nuclear plant at the same rate as it is now, it seems like it will take about a month (from the day the nuclear plant is bury) for the I-131 to decay back to the tolerance level.

BTW, seems like the air pollution will stay in the Tokyo basin for a while. Wish there is more offshore wind blowing from the NW and let the plume to stay away from the Fujiyama ridge... With the wet marine wind blowing from the south/east is certainly not a good thing...

lo_pak

回復 4# fy789

Your article states it's only 10 times...! Are you pulling 1000 times from other sources?

Just for your information. In pollution estimation calcs, they have to be bounded in order to provide a solution...

Again, you are correct on the input side but wrong on the output side...

lo_pak

回復 6# fy789

I-131 will accumulate, it's true...

But still, the 300 Bq/kg I-131 tolerance level is based on an adult keep continuously drinking over a certain period at a certain amount and still safe. In other word, the accumulation effect is being covered.

Do you know what's the international agreed Operational Intervention Level (OIL)? It is 3,000 Bq/kg for I-131...

In environmental science, especially regarding to human health, there is always FOS on top of FOS...