Main Body
Radon Maps of New York State by County and Town
Nassau County
Indoor Radon Estimates
Percent Homes Above 4 pCi/L
February 2007
| Town or City
|
homes measured |
living area*
|
basement**
|
||
|---|---|---|---|---|---|
|
best estimate (%) |
range # (%) |
best estimate (%) |
range # (%) |
||
| Glen Cove city | 5 | 0.4 | (0.1 - 1.7) | 8 | (3 - 17) |
| Hempstead town | 279 | 0.1 | (0.1 - 0.2) | 2.1 | (1.7 - 2.7) |
| Long Beach city | 0 | 0.5 | (0.2 - 4.0) | 8 | (1 - 16) |
| North Hempstead town | 140 | 0.2 | (0.1 - 0.4) | 6 | (4 - 7) |
| Oyster Bay town | 166 | 0.5 | (0.3 - 0.9) | 8 | (6 - 9) |
| Nassau county | 590 | 0.3 | 4 | ||
* 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.