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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

Max
pCi\L

Total
No.

# 4 - 10
pCi\L*

# >10
pCi\L

Adams County

53910

55

0

0

1.0

3.4

 

53920

4

0

0

1.5

3.5

 

53927

1

0

1

54.8

54.8

  53934 85 8 2

2.1

19.9

  53935 1 0 0 1.0 1.0
  53936 15 2 0 2.4 7.3
  53944 33 2 0 1.3 5.8

 

53948

240

17

9 2.3 30.1
  53952 20 5 0 2.5 6.6
  53964 21 1 0 1.4 4.6
  53965 189 18 1 1.8 16.4
  54457 68 17 1 3.1 14.7
  54494 313 62 6 3.0 20.2
  54613 34 0 1 1.8 21.0
  54921 12 5 0 4.0 9.1
  54943 16 3 0 2.2 5.3

County Totals

 

1107

140

21

 

54.8

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

             

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