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Orleans County
Indoor Radon Estimates
Percent Homes Above 4 pCi/L
June 1999

Town or City
homes
measured
living area*
basement**
best
estimate
(%)
range #
(%)
best
estimate
(%)
range #
(%)
Albion town 9 1.9 (0.6 - 3.8) 12 (5 - 19)
Barre town 10 8 (5 - 13) 30 (23 - 39)
Carlton town 3 7 (3 - 13) 30 (18 - 41)
Clarendon town 114 7 (6 - 9) 30 (27 - 34)
Gaines town 1 7 (3 - 13) 27 (16 - 37)
Kendall town 5 11 (6 - 16) 35 (26 - 46)
Murray town 267 3.2 (2.7 - 3.8) 18 (16 - 20)
Ridgeway town 13 3 (1 - 4) 16 (10 - 22)
Shelby town 9 4 (2 - 8) 22 (15 - 32)
Yates town 3 9 (4 - 14) 33 (23 - 45)
           
Orleans county 434 5   23  

* Long-term measurement, 90 days to one year.

**Short-term measurement, typically 2 to 7 days.

# Uncertainty range of one sigma corresponds to a 68% confidence interval.


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New York State Department of Health - Wadsworth Center

Revised: June 2001