公共辐射剂量来自常规气井生产的水,用于作为路面脱冰剂
William Rish1, LeeAnn Racz1, Alan Hale1
1ToxStrategies LLC, Asheville, NC, USA.
Journal of the Air & Waste Management Association (1995)
|September 23, 2025
概括
含有的常规气井盐水可以用作道路脱冰剂. 该应用程序的模拟辐射剂量在安全范围内,不构成不可接受的公共健康风险.
科学领域:
- 环境科学 环境科学
- 辐射保护 辐射保护
- 地质化学 地质化学
背景情况:
- 传统的石油和天然气井产生有好处的废水 (盐水),例如道路除冰.
- 这种盐水含有自然存在的放射性同位素,-226 (Ra-226) 和-228 (Ra-228).
- 公众对石油和天然气运营带来的潜在健康风险存在担忧.
研究的目的:
- 从使用传统的气井盐水作为道路脱冰剂来建模公共辐射剂量.
- 根据两个保守的风险情景来评估风险.
- 要确定这种做法是否会造成不可接受的辐射风险.
主要方法:
- 对于成人和15岁的受体,模拟的全身年度辐射剂量.
- 在俄俄州北部的天然气井中使用了最大检测到的Ra-226和Ra-228水平.
- 考虑了娱乐性暴露于脱冰池排水和污染土壤上的住宅农业的情景.
主要成果:
- 在有限的积累下,模拟剂量达到0.0077-0.040mSv/yr左右的异位点.
- 假设没有积累限制,剂量达到0.0010-0.30mSv/年.
- 所有估计的剂量都低于美国EPA和NRC标准 (0.25-1 mSv/年) 和自然背景辐射.
结论:
- 使用传统的天然气井盐水作为道路脱冰剂不太可能对公众构成不可接受的辐射风险.
- 剂量估计对土壤中的积累很敏感.
- 建议对运输过程进行进一步的实地研究.
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