在河口游泳水中,污水相关标记物的特定地点风险基准度 (RBT) 度
Warish Ahmed1, Mary E Schoen2, Jeffrey Soller2
1CSIRO Environment, Ecosciences Precinct, 41 Boggo Road, Dutton Park, QLD 4102, Australia.
The Science of the total environment
|April 14, 2024
概括
这项研究使用定量微生物风险评估制定了娱乐用水中的污水标记物的基于风险的值. 这些发现有助于识别公众健康保护的高风险污染日.
科学领域:
- 环境微生物学环境微生物学
- 评估水质水质的评估.
- 公共卫生风险分析分析
背景情况:
- 娱乐用河口水 (EW) 由于潜在的污染污水,造成健康风险.
- 准确的风险评估需要了解污水相关标记物的行为.
研究的目的:
- 建立特定地点的基于风险的值 (RBT) 度,用于EW的关键污水标志物.
- 使用定量微生物风险评估 (QMRA) 来确定各种污水老化场景的RBTs.
- 为娱乐用水安全提供风险管理策略的信息.
主要方法:
- 应用QMRA以估计RBT度的细菌 HF183,拉克诺斯皮拉ceae Lachno3,CrAssphage,和胡温和斑点病毒 (PMMoV).
- 考虑了特定地点的衰变率和人类诺罗病毒 (HNoV) 作为参考病原体.
- 分析了对RBTs的标记度,以确定潜在的高风险时期.
主要成果:
- 根据标记物类型和污水老化,RBT度有显著的变化.
- HF183呈现出快速衰变,而Lachno3和Crassphage则更稳定;PMMoV RBT随着年龄的增长而增加.
- 人类诺罗病毒度是QMRA模型中最敏感的参数.
- 观察到超过RBTs,表明某些天的潜在风险增加.
结论:
- 多个污水标记器对于准确预测EW风险至关重要.
- 特定地点的RBT有助于识别高风险污染事件.
- 优化样本度和使用多个标记器对于增强娱乐水域风险管理至关重要.
关键词:
腐烂衰变的原因之一.分子标记物 分子标记物这是QMRA的QMRA.在RBTT上,RBTT是RBT.娱乐用水域 娱乐用水域污水污染污染污水污染污染污染污染污染污染污染污染污染污染污染污染污染污染更多相关视频
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