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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

Vernon County

53581 952 169 29 2.8 34.9
  53924 63 16 11 6.7 39.3
  53929 61 11 4 3.9 28.9
  53968 119 6 1 1.3 20.2
  54619 6 0 2 5.8 18.9
  54621 4 0 3 9.4 11.7
  54623 13 4 0 3.7 8.0
  54624 4 2 0 3.5 5.5
  54628 13 4 0 3.8 8.9
  54632 17 9 6 7.6 11.9
  54634 49 14 4 4.2 16.6
  54638 15 7 1 3.9 11.8
  54639 29 10 0 3.3 8.1
  54648 14 7 1 4.5 11.9
  54651 6 1 0 2.8 8.1
  54652 12 1 0 2.8 4.8
  54655 15 4 1 4.4 17.3
  54658 20 9 3 6.0 18.4
  54664 23 8 0 3.2 9.0
  54665 163 53 13 4.9 22.5
  54667 67 14 10 5.6 27.5

County Totals

 

1665

349

89

 

39.3

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

 

 

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