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Nassau 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 # (%) |
||
| Glen Cove city | 5 | 1.7 | (0.6 - 3.9) | 10 | (5 - 17) |
| Hempstead town | 258 | 0.4 | (0.3 - 0.6) | 2.4 | (1.8 - 3.1) |
| Long Beach city | 0 | 2 | (1 - 6) | 10 | (4 - 19) |
| North Hempstead town | 134 | 0.8 | (0.5 - 1.2) | 6 | (5 - 7) |
| Oyster Bay town | 157 | 1.3 | (0.9 - 1.6) | 7 | (6 - 9) |
| Nassau county | 554 | 0.7 | 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.
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New York State Department of Health - Wadsworth Center