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Tompkins 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 # (%) |
||
| Caroline town | 33 | 15 | (11 - 19) | 45 | (40 - 51) |
| Danby town | 27 | 11 | (8 - 15) | 39 | (33 - 45) |
| Dryden town | 166 | 10 | (9 - 12) | 41 | (38 - 44) |
| Enfield town | 18 | 10 | (7 - 15) | 39 | (31 - 46) |
| Groton town | 38 | 12 | (9 - 16) | 41 | (36 - 47) |
| Ithaca city | 188 | 6 | (5 - 7) | 29 | (26 - 32) |
| Ithaca town | 197 | 7 | (6 - 8) | 33 | (30 - 35) |
| Lansing town | 63 | 6 | (4 - 7) | 29 | (24 - 34) |
| Newfield town | 31 | 12 | (9 - 16) | 43 | (38 - 49) |
| Ulysses town | 66 | 7 | (6 - 9) | 32 | (27 - 36) |
| Tompkins county | 827 | 8 | 35 | ||
* 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