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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >An Integrated Subsurface Modeling and Risk Assessment Approach for Managing the Petroleum-Contaminated Sites
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An Integrated Subsurface Modeling and Risk Assessment Approach for Managing the Petroleum-Contaminated Sites

机译:用于管理石油污染场地的集成地下建模和风险评估方法

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Soil and groundwater contamination can lead to a variety of impacts and risks to the communities. Identifications of management schemes with sound environmental and socio-economic efficiencies is desired. In fact, before any decisions regarding site remediation actions can be made, three major questions may have to be answered. They include “What happened underground, and what will happen in the future under the given remediation scenarios?,” “Are there specific risks on the surrounding community?” and “What remediation alternatives are suitable for the site?” In this study, an integrated subsurface modeling and risk assessment method for petroleum-contaminated site management is proposed. It incorporates multi-phase flow multi-component transport modeling and ELCR-based human health risk assessment into a general framework. The proposed method is applied to a case study within a western Canada context for identifying effective management schemes with improved environmental and socio-economic efficiencies. Given conditions at the study site, six remediation alternatives based on combinations of several technologies are recommended, with the provision of analyses for equipment/manpower requirements, system designs, operations, efficiencies, and costs. These alternatives can be categorized into two groups: hybrid ex situ and in situ remediation approaches, and integrated in situ remediation approaches. This study is a new attempt that integrates issues of subsurface-contamination simulation, risk assessment, and site remediation for a real-world problem within a general research framework. The research outputs are directly useful for the industry to gain insight of the site and to make decisions of the relevant remediation actions.
机译:土壤和地下水的污染会给社区带来各种影响和风险。需要确定具有良好环境和社会经济效率的管理计划。实际上,在做出有关网站补救措施的任何决定之前,可能必须回答三个主要问题。其中包括“地下发生了什么,在给定的修复方案下将来会发生什么?”,“周围社区是否存在特定风险?”和“哪些补救措施适合该站点?”在这项研究中,提出了一种用于石油污染场地管理的综合地下建模和风险评估方法。它将多相流多组分运输模型和基于ELCR的人类健康风险评估整合到一个通用框架中。所提出的方法被应用于加拿大西部的案例研究,以确定具有改善的环境和社会经济效率的有效管理方案。根据研究现场的条件,建议根据多种技术的组合提出六种补救措施,并提供对设备/人力需求,系统设计,操作,效率和成本的分析。这些替代方案可分为两类:异地和原位修复方法混合,以及原位集成修复方法。这项研究是一项新的尝试,它将一般研究框架内的地下污染模拟,风险评估和现场修复问题整合在一起。研究结果对于行业获得现场见解并做出相关补救措施的决策直接有用。

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