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Ontario 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 # (%) |
||
| Bristol town | 5 | 14 | (8 - 20) | 47 | (35 - 58) |
| Canadice town | 7 | 7 | (3 - 12) | 30 | (19 - 39) |
| Canandaigua city | 32 | 3 | (2 - 6) | 16 | (12 - 20) |
| Canandaigua town | 27 | 6 | (4 - 9) | 27 | (21 - 33) |
| East Bloomfield town | 26 | 11 | (8 - 16) | 42 | (35 - 50) |
| Farmington town | 33 | 21 | (17 - 26) | 53 | (47 - 59) |
| Geneva city | 35 | 5 | (3 - 7) | 24 | (18 - 30) |
| Geneva town | 18 | 5 | (3 - 9) | 25 | (18 - 33) |
| Gorham town | 16 | 12 | (8 - 17) | 35 | (28 - 42) |
| Hopewell town | 7 | 8 | (4 - 14) | 28 | (19 - 37) |
| Manchester town | 35 | 11 | (8 - 16) | 38 | (32 - 43) |
| Naples town | 36 | 26 | (21 - 31) | 62 | (57 - 68) |
| Phelps town | 49 | 13 | (10 - 16) | 45 | (39 - 50) |
| Richmond town | 13 | 7 | (3 - 10) | 29 | (22 - 38) |
| Seneca town | 12 | 8 | (4 - 12) | 33 | (24 - 44) |
| South Bristol town | 13 | 18 | (11 - 25) | 52 | (43 - 61) |
| Victor town | 34 | 6 | (4 - 9) | 28 | (23 - 35) |
| West Bloomfield town | 13 | 8 | (5 - 13) | 34 | (24 - 42) |
| Blooming Grove town | 79 | 7 | (5 - 9) | 28 | (23 - 31) |
| Ontario county | 411 | 9 | 33 | ||
* 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