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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

Lincoln County

54403 515 157 171 11.5 257.0
  54411 73 25 15 9.5 72.4
  54435 56 13 4 7.0 170.0
  54442 16 4 2 4.6 22.5
  54448 175 37 97 26.5 230.0
  54452 768 177 111 6.3 216.6
  54459 26 2 0 1.7 5.9
  54470 46 2 9 5.9 34.9
  54487 126 32 2 3.4 61.4
  54501 891 137 41 3.0 49.7
  54513 13 1 0 1.5 5.7
  54564 22 3 2 3.0 12.8

County Totals

 

2727

590

454

 

257.0

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

 

 

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