Water Filtration / Charcoal filter and Crises Maven

First, I added CrisisMaven to my blogroll so its easy to find.   Really nice compilation of ideas and resources at his blog.   Focused on societal and economic issues, data, and proper use of data (non-lying).

Good stuff, go visit.

http://crisismaven.wordpress.com/

Want to know more about Iodine 131 (the most common and numerous byproduct of nuclear fission)

http://www.epa.gov/rpdweb00/radionuclides/iodine.html

Here are some common radioactive items, and their half lives.  
Iodine is 8 days
Cesium is 30 years
Both are readily absorbed by the human body.

Isotope	Symbol	Half-Life	Radiation	Energy, MeV
Tritium	³H	12.3 yr	ß	0.157
Sodium-22	22Na	2.6 yr	ß ?	0.546 1.274
Phosphorus-32	32P	14.3 days	ß	1.709
Phosphorus-33	33P	25.3 days	ß	0.249
Sulfur-35	35S	88 days	ß	0.167
Calcium-45	45Ca	163 days	ß	0.258
Chromium-51	51Cr	28 days	?	0.320
Cobalt-57	57Co	272 days	?	0.122
Nickel-63	63Ni	92 years	ß	0.067
Iodine-125	125I	60 days	?	0.035
Iodine-131	131I	8.0 days	ß ?	0.606 0.364
Cesium-137	137Cs	30 years	ß ?	0.514 0.662

Some estimates place that Fukushima is already way worse than Chernobyl and Three Mile Island (TMI) in terms of radiation already released.

More on the Charcoal Filtration later

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I placed an article on "Sheltering In House" as text and as a downloadable Word Doc.   Please review it, preparation is key.

http://oahutrading.blogspot.com/p/japan-nuclear-information.html