Department of Environmental Resources Engineering, SUNY College of Environmental Science and Forestry, Syracuse, NY 13210, USA. at
Health Phys. 2012 Sep;103(3):311-6. doi: 10.1097/HP.0b013e31824dadbe.
A set of 317 samples collected from wells throughout New York State (excluding Long Island) from 2003 through 2008 was used to assess the distribution of radon gas in drinking water. Previous studies have documented high concentrations of radon in groundwater from granitic and metamorphic bedrock, but there have been only limited characterizations of radon in water from sedimentary rock and unconsolidated sand-and-gravel deposits in New York. Approximately 8% of the samples from bedrock wells exceed 89 Bq L (eight times the proposed regulatory limit), but only 2% of samples from sand-and-gravel wells exceed 44 Bq L. Specific metamorphic and sedimentary rock formations in New York are associated with the high radon concentrations, indicating that specific areas of New York could be targeted with efforts to reduce the risk of exposure to radon in groundwater. Additionally, radon in groundwater from the sand-and-gravel aquifers was found to be directly correlated to radon in indoor air when assessed by county.
从 2003 年到 2008 年，从纽约州（不包括长岛）的各个井中采集了 317 个样本，用于评估氡气在饮用水中的分布情况。先前的研究记录了花岗岩和变质基岩地下水的高氡浓度，但对纽约沉积岩和未固结的砂卵石沉积物中的氡的特征描述却很有限。来自基岩井的大约 8%的样本氡浓度超过 89 Bq/L（是建议的监管限值的八倍），但来自砂卵石井的样本只有 2%超过 44 Bq/L。纽约的特定变质和沉积岩层与高氡浓度有关，这表明纽约的特定地区可能成为减少地下水氡暴露风险的目标。此外，当按县评估时，发现砂卵石含水层中的地下水氡与室内空气中的氡直接相关。
