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Essex 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 #
(%)
Chesterfield town 11 2 (1 - 4) 11 (6 - 18)
Crown Point town 0 5 (1 - 11) 19 (7 - 37)
Elizabethtown town 7 0.8 (0.3 - 2.4) 3 (1 - 8)
Essex town 2 3 (1 - 7) 13 (5 - 29)
Jay town 8 4 (1 - 7) 12 (6 - 18)
Keene town 4 3 (1 - 7) 11 (4 - 20)
Lewis town 1 4 (1 - 12) 20 (7 - 38)
Minerva town 3 1.9 (0.5 - 5.5) 10 (3 - 22)
Moriah town 11 3 (1 - 6) 17 (9 - 26)
Newcomb town 34 0.7 (0.3 - 1.3) 5 (2 - 8)
North Elba town 6 1.6 (0.5 - 4.0) 8 (3 - 15)
North Hudson town 0 5 (2 - 15) 24 (10 - 43)
St.Armand town 6 2 (1 - 5) 12 (5 - 20)
Schroon town 3 4 (1 - 10) 19 (8 - 32)
Ticonderoga town 7 6 (2 - 11) 24 (14 - 34)
Westport town 9 1.4 (0.5 - 3.2) 8 (4 - 15)
Willsboro town 5 1.9 (0.6 - 4.3) 10 (4 - 18)
Wilmington town 1 3 (1 - 9) 14 (5 - 29)
           
Essex county 118 3   13  

* 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