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RADON MEASUREMENTS TABLE BY COUNTY AND ZIP CODE

The numbers of results at various radon levels, tabulated below, are from measurements in basements, up to a week in duration, while windows are kept closed.  Because there is less radon upstairs and less when windows are open, this table represents neither average resident exposures nor their lung cancer risks from radon.  

The data were obtained largely from companies that sell radon detectors to the public, and are only a fraction of all radon measurements that have been made in Wisconsin.

For estimating the fraction of houses with average occupant exposures greater than 4 pCi/L for the radon averaged over a year on the main floor: divide the number in the “>10 pCi/L” column by the number in the “Total No.” (of measurements) column.  For more information on that relationship, click here. 

The data listed for Zip Codes crosses county borders.

Wisconsin Measurement Summary - 2006

Numbers of Measurements versus Radon:

County

Zip
Code

No. of Measurements

Ave.
pCi\L

High
pCi\L

Total
No.

# 4 - 10
pCi\L*

# >10
pCi\L

Douglas County

54820 5 1 0 2.2 4.0
  54830 21 5 1 3.4 15.0
  54836 5 0 0 0.7 2.1
  54838 7 3 0 2.7 5.0
  54849 23 4 1 5.1 78.3
  54854 3 0 0 1.8 3.1
  54859 4 0 0 1.7 2.4
  54864 8 0 0 1.7 3.7
  54873 18 4 0 3.2 9.5
  54874 34 4 2 2.6 17.1
  54880 193 21 9 2.2 27.4

County Totals

 

321

42

13

 

78.3

* pCi/L: picoCuries per Liter, a measure of radon concentration

 

 

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