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reply to post by BlackJackal
The question is, if the radiation showing up has nothing to do with Fuku, then why in the hell are we seeing high rad counts in the snow out in Missouri? The person who took those readings has been testing since the very beginning, after everything happened.
Health officials in California are now telling residents not to worry after a video uploaded to the internet last month seemed to show high levels of radiation at a Pacific Coast beach.
The video, “Fukushima radiation hits San Francisco,” has been viewed nearly half-a-million times since being uploaded to YouTube on Christmas Eve, and its contents have caused concern among residents who fear that nuclear waste from the March 2011 disaster in Japan may be arriving on their side of the Pacific Ocean.
Peterson told the Review he was “befuddled” over the ordeal, but suggested the culprit could be something not too sinister — such as red-painted eating utensils buried on the beach.
Well there you have it. Nothing to fear here and this should put an end to all the panic. I wish people would stop bringing their take out food to the beach leaving their red painted eating utensils laying around everywhere like cigarette butts. If you think burying them in the sand will hide your littering ways, you're wrong because hand held radiation detectors will find them. Anyway, it's safe to go back in water. Have a nice day.
I actually own a refurbished CDV-700 Geiger counter from the '60's. I live in Sacramento, CA and the last time it rained (November, I believe - it's been awhile) I calibrated it against a Cesium 137 check source, took baseline background readings inside, then went outside and stuck it in my rain gutter. I got readings about double the background rate, which - though measurable - is really pretty much negligible with regards to effects on human health. Hard to say really if it was even from Fukushima; hell Rancho Seco is less than a 100 miles away from me and Hanford is due north (one of the most heavily polluted radiation sites on the face of the earth).
I took it outside a few days after a reputed 'steam release event' last month, and also didn't see any kind of spike. So, at least as far as radiation in the atmosphere on the west coast, things seem OK so far here. I haven't had a chance to get down to the ocean yet but when I do I'll bring my little toy
Radon Washout occurs when naturally occurring Uranium and Thorium decay, at one point creating a gas called Radon. Radon is a short lived gas, quickly decaying into other radioactive materials. When it rains, radon and the decay products of radon fall upon the ground, similarly to how ash or dust can be removed from the air by rain. The result is a light coat of radioactive water on cars, streets, houses, etc. The radioactivity detected on the surface of objects exposed to the air diminishes over time due to the water evaporating, radioactive decay, absorption into the soil, etc.
Detection of Radon Washout
The exact cause of a source of unknown radiation cannot be positively identified without some sort of specialized testing, such as radio chemical or spectroscopy. Geiger counters can detect radon washout very effectively, especially on car hoods and other metallic surfaces. A Geiger counter can easily experience hundreds of click sounds per minute as a result of a fresh rainfall. A key attribute of Radon Washout is the time it takes for the affected sample to return to normal. If you test your car hood and find that it is more radioactive than it was before the rain, than wait for approximately three hours and test again and find that the radioactivity is reducing to normal levels, radon washout may be suspected (though not confirmed).