在一个高度军事化的岛屿内进行PFAS监控:日本冲绳的一个案例研究
Camden G Camacho1, Kaylie Anne Costa2, Shannon McMahon3
1Department of Chemistry, College of Language Arts and Sciences, University of Florida, Gainesville, Florida 32610, USA. john.bowden@ufl.edu.
Environmental science. Processes & impacts
|December 3, 2024
概括
在冲绳岛上研究了和多基物质 (PFAS) 的污染. 检测到 PFAS 含量较高,特定的区域特征表明在军事基地附近有多个污染源.
科学领域:
- 环境科学 环境科学
- 环境化学环境化学
- 污染物水文学污染物水文学
背景情况:
- 和多基基物质 (PFAS) 是广泛使用的工业化学品,具有多样化的应用.
- 在航空设施中使用的水性薄膜形成泡是PFAS污染的重要来源.
- 冲绳岛有相当大的美国军事存在,这可能是PFAS污染的潜在原因.
研究的目的:
- 调查冲绳岛上表面水中的PFAS的存在和分布.
- 确定与军事活动相关的潜在PFAS热点和来源.
- 为未来的PFAS补救和管理策略提供基线数据.
主要方法:
- 地表水样本从冲绳岛上的61个地理位置不同的地方收集.
- 使用高性能液体染色学-并联质谱法 (HPLC-MS/MS) 方法监测了31种特定的PFAS化合物.
- 数据分析的重点是量化检测到的PFAS和确定区域度模式.
主要成果:
- 在地表水样本中检测和量化了15种不同的PFAS化合物.
- 总检测到的PFAS (Σ15PFAS) 的平均度为16.3 ng L-1,最高为164.3 ng L-1.1.
- 观察到不同的区域 PFAS 概况,特别是 PFHpA 在北方地区的主导地位,表明多个污染源.
结论:
- 这项研究是对冲绳PFAS污染的首次全岛评估.
- 调查结果强调需要提高认识和采取有针对性的行动来解决PFAS污染问题.
- 确定区域 PFAS 概况表明局部来源,可能与军事行动有关,需要进一步调查.
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