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Monroe 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 #
(%)
Brighton town 115 2.1 (1.5 - 2.9) 13 (10 - 16)
Chili town 51 3 (2 - 4) 13 (10 - 17)
Clarkson town 8 3 (1 - 5) 15 (9 - 22)
East Rochester town 10 1.8 (0.7 - 3.6) 11 (5 - 17)
Gates town 40 2 (1 - 3) 13 (10 - 18)
Greece town 171 0.8 (0.6 - 1.2) 6 (4 - 7)
Hamlin town 18 0.7 (0.3 - 1.5) 5 (2 - 9)
Henrietta town 61 1.2 (0.7 - 2.0) 9 (6 - 12)
Irondequoit town 99 1.7 (1.1 - 2.2) 10 (8 - 13)
Mendon town 141 20 (18 - 22) 44 (42 - 47)
Ogden town 74 4 (3 - 5) 21 (17 - 25)
Parma town 54 1.6 (0.8 - 2.5) 12 (9 - 16)
Penfield town 234 4 (3 - 5) 21 (19 - 23)
Perinton town 132 6 (5 - 8) 24 (21 - 26)
Pittsford town 97 1.6 (1.1 - 2.4) 12 (10 - 15)
Riga town 32 7 (5 - 10) 29 (23 - 35)
Rochester city 201 1.2 (0.9 - 1.6) 8 (6 - 9)
Rush town 53 8 (6 - 10) 34 (30 - 39)
Sweden town 18 4 (2 - 6) 20 (14 - 25)
Webster town 69 1.5 (1.0 - 2.1) 9 (6 - 12)
Wheatland town 51 28 (24 - 31) 56 (52 - 60)
           
Monroe county 1729 2   12  

* 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