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06-10-2011, 03:23 PM
|  | Registered User | | Join Date: Mar 2006 Location: Lansing, Michigan | | | I'm measuring Radioactivity at my house from the rain!
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"But lay up for yourselves treasures in heaven, where neither moth nor rust doth corrupt, and where thieves do not break through nor steal:" Matthew 6:20
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06-10-2011, 03:36 PM
|  | That's the way uh huh uh huh I like it.. | | Join Date: Sep 2006 Location: Robbinsville, NJ | | | Thanks for posting that Joel, but I'm a knucklehead when it comes to radiation - what exactly as we looking at?
You're picking up radioactivity from the Fukashima disaster I gather, but what are the levels like in regards to "panic" or "meh"?
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06-10-2011, 03:46 PM
|  | Registered User
Maker of HPF-Pre upright bass preamp | | Join Date: Mar 2004 Location: Madison WI | | | What's your measurement method? |
06-10-2011, 03:51 PM
| | Registered User | | Join Date: Mar 2006 Location: Lansing, Michigan | | Quote:
Originally Posted by Relic Thanks for posting that Joel, but I'm a knucklehead when it comes to radiation - what exactly as we looking at?
You're picking up radioactivity from the Fukashima disaster I gather, but what are the levels like in regards to "panic" or "meh"? | Kinda meh.. more like around what you get flying in an airplane. but long term this is coming out of the sky whether we like it or not, and it is going to get in our food supply. That is the real danger. Lettuce concentrates it. Potatoes do too. Ect.. Our whole food supply here in America will concentrate this well and we're at the top of the food chain buddy. Quote:
Originally Posted by fdeck What's your measurement method? | Wiping surfaces and measuring the rag. I am taking clean paper towels, and clean plastic sandwich bags, and wrapping them around a CDV-700 Geiger counter probe. The surfaces I wiped all collected rainfall that fell over my house from 12:00pm/noon till 5:30.
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"But lay up for yourselves treasures in heaven, where neither moth nor rust doth corrupt, and where thieves do not break through nor steal:" Matthew 6:20
Last edited by joelb79 : 06-10-2011 at 03:54 PM.
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06-10-2011, 04:03 PM
| | Registered User | | Join Date: Jan 2006 Location: Boston & Arizona, USA | | | Can you somehow run a control with some other surface and water source? Hard to do when you don't know how much rain fell or how clean the surface you sampled was before the rain, I suppose.
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06-10-2011, 04:03 PM
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Maker of HPF-Pre upright bass preamp | | Join Date: Mar 2004 Location: Madison WI | | | It would be hard to identify the source without knowing the elemental makeup, which would take a lot more gear. It could be uranium from coal fired power plants. |
06-10-2011, 04:14 PM
| | Registered User | | Join Date: Mar 2006 Location: Lansing, Michigan | | Quote:
Originally Posted by TheSuzie Can you somehow run a control with some other surface and water source? Hard to do when you don't know how much rain fell or how clean the surface you sampled was before the rain, I suppose. | There is that problem yes. But this activity is decaying very quickly. Half life has to be around 1-2 hours. 400cpm has become already 120cpm since 5:30 and its 6:15 now. I would venture to say that fly ash would be longer lived nucleides than this.
perhaps its something shorter lived like Chlorine-36 or Iodine-131/129.
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"But lay up for yourselves treasures in heaven, where neither moth nor rust doth corrupt, and where thieves do not break through nor steal:" Matthew 6:20
Last edited by joelb79 : 06-10-2011 at 05:18 PM.
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06-10-2011, 04:18 PM
| | Registered User
Maker of HPF-Pre upright bass preamp | | Join Date: Mar 2004 Location: Madison WI | | | Could you identify it by its half life? I wonder if rain gets some radioactivity from cosmic rays. |
06-10-2011, 04:20 PM
|  | Hard rockin' stay-at-home dad | | Join Date: Jan 2005 Location: The soggy state of Oregon | | | Oh great. All it does here in Portland is rain.
I just want to know when I'll be getting my super powers from this. |
06-10-2011, 05:30 PM
| | Registered User | | Join Date: May 2008 Location: Calabash, NC | | | Well, as we haven't had much more than a sprinkle here in well over a month, I'd say we're safe.
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06-10-2011, 05:36 PM
|  | Online | | Join Date: Apr 2001 Location: Sunapee, New Hampshire | | Queue up Paul Rodgers.
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06-10-2011, 05:41 PM
| | Registered User | | Join Date: Apr 2007 Location: Anasleim, CA | | | On the bright side, if you plant carrots, they'll probably turn out like the one in TheSuzie's avatar! |
06-10-2011, 05:43 PM
|  | Endorsing Curmudgeon: Mal's Kitchen Cruelties ... | | Join Date: Jun 2002 Location: Columbia River Gorge | | | I was thinking Fogerty, "Who'll Stop The Rain"...
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06-10-2011, 06:17 PM
|  | Supporting Member | | Join Date: Jan 2003 Location: Vacaville, California | | | Harold Camping was right. |
06-10-2011, 06:38 PM
| | | | On the other bright side, if it is I-131, we'll know for sure if it's at dangerous levels in a few years! |
06-10-2011, 07:01 PM
|  | Layin' Down Time
Endorsing Artist: Roscoe Guitars Moderator | | Join Date: Apr 2000 Location: Omaha, Nebraska | | | I'm considerably closer to Fukushima than you are, and we're not seeing those levels of radiation here. Blame someone else.
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06-10-2011, 07:23 PM
| | Registered User | | Join Date: Aug 2002 Location: Waco, TX | | | If the half-life is 1 to 2 hours then wouldn't it decay sufficiently before it was able to contaminate growing vegetables.
bc
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06-10-2011, 07:46 PM
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Originally Posted by Pacman I'm considerably closer to Fukushima than you are, and we're not seeing those levels of radiation here. Blame someone else. | Proximity is irrelevant when dealing with rain and the jet streams get involved. |
06-10-2011, 07:54 PM
|  | Registered User | | Join Date: Feb 2005 Location: Portland, OR | | Quote:
Originally Posted by DigMe If the half-life is 1 to 2 hours then wouldn't it decay sufficiently before it was able to contaminate growing vegetables. | More to the point, if the half-life is 1 to 2 hours that pretty much rules out Fukushima, since it's about 7000 miles away from Michigan...
-jb
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06-10-2011, 07:55 PM
|  | Registered User | | Join Date: Jul 2006 Location: Columbus, Ohio | | | I guess I won't be going up to any MSU games this fall. GO SPARTANS!!!
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