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Pre-Plumbing Radon in WA


Jim Katen
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What's Radon?

Seriously though, not as far as I'm aware of for this area (always willing to be corrected). And, I can't speak for the red zones in the lower left or upper right corners of the state.

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tn_201011323340_WAradonmap.jpg

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Well, the houses I saw were in the red zone in Clark County.

By the way, those maps are nearly worthless. I once asked about the number of cases that they were based on, and it ain't anywhere near a statistically valid sample.

- Jim Katen, Oregon

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Hi again...

So I dug a little and found that it is in fact covered by the State's VIAQ codes for high risk areas/counties. You can see the requirements here...

http://www.spokanecounty.org/loaddoc.aspx?docid=2265

Good thing I don't travel too far, eh?

Look at the difference in the Radon Pie Charts for Spokane and King County.

http://county-radon.info/WA/Spokane.html

http://county-radon.info/WA/King.html

I've always believed we have low levels here because our "soil" is mostly glacial till rather than bedrock.

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  • 4 weeks later...

I don't even show those maps to people because all they have to see is that they are in a yellow county and then they'll assume "we have no radon here". "Luckily", being in Lancaster County, PA where our county avg is about 17.9 pCi/L (and every county around here is near as high on avg), it's not tough convincing clients get a radon test performed.

I tell my clients that every home is different.. you can't really go by a map or EPA stats. Test your home. That's the only way to know.

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