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Chemung 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 #
(%)
Ashland town 9 33 (22 - 43) 70 (60 - 79)
Baldwin town 3 17 (8 - 28) 51 (35 - 65)
Big Flats town 154 58 (55 - 61) 85 (83 - 88)
Catlin town 9 24 (15 - 34) 62 (51 - 72)
Chemung town 11 37 (28 - 48) 74 (65 - 83)
Elmira city 290 32 (30 - 34) 68 (66 - 71)
Elmira town 204 37 (35 - 40) 69 (66 - 71)
Erin town 11 21 (13 - 31) 62 (49 - 73)
Horseheads town 281 39 (37 - 41) 73 (71 - 75)
Southport town 149 38 (36 - 41) 71 (68 - 74)
Van Etten town 10 34 (26 - 44) 72 (63 - 81)
Veteran town 45 30 (25 - 36) 62 (57 - 68)
           
Chemung county 1176 36   71  

* 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