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首页> 外文会议>International Conference on Remediation of Chlorinated and Recalcitrant Compounds >Vertical Profiling to Support Source Area Treatment of a Dissolved TCE Source Area Plume in a Fractured Bedrock Aquifer at the Former NAWC Warminster, PA
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Vertical Profiling to Support Source Area Treatment of a Dissolved TCE Source Area Plume in a Fractured Bedrock Aquifer at the Former NAWC Warminster, PA

机译：垂直剖面以支持前Nawc暖和患者在前Nawc Warminster的溶解TCE源区羽流的源区处理

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Background/Objectives. The former Naval Air Warfare Center (NAWC) Warminster is a National Priorities List (NPL) site that includes several areas where testing and evaluation of naval aircraft systems subsequently led to uncontrolled hazardous substance releases. At Area A, high concentrations of dissolved trichloroethene (TCE) and other chlorinated volatile organic compounds (CVOCs) in the fractured bedrock aquifer led to the installation of a groundwater extraction treatment system (GWETS) in 1999 designed to treat extracted groundwater and hydraulically isolate the source area plume. In accordance with the Record of Decision (ROD), a technical impracticability (TI) waiver zone was established within the Area A source area due to high concentrations of CVOCs that were indicative of the presence of dense nonaqueous-phase liquid (DNAPL). Area A groundwater is encountered in discrete fractures within the rock matrix, and interconnected networks of fractures within the sandstone and mudstone bedrock serve as the primary groundwater and dissolved chemical migration pathways. As part of a recent optimization study, in situ chemical oxidation (ISCO) was identified as a viable option for source zone treatment with the objective of reducing life-cycle costs and remedial timeframe for operation of the GWETS. This paper presents the results of a phased approach that was implemented to further characterize the source area and evaluate the viability of ISCO as a source treatment technology.
机译：背景/目标。前海军航空战中心（NAWC）是一个国家优先级列表（NPL）网站，包括几个领域，其中海军飞机系统随后导致不受控制的危险物质释放。在区域A中，碎屑含水层中的高浓度的溶解三氯乙烯（TCE）和其他氯化挥发性有机化合物（CVOCs）导致了1999年安装地下水提取处理系统（GWET），旨在治疗提取的地下水并液压隔离源区羽毛。根据决定（棒）的记录，由于表明存在致密的非水相液（DNAPL）存在的高浓度CVOC，在源区内建立了技术不切实性（TI）豁免区。区域地区地下水在岩石基质内的离散骨折中遇到，砂岩和泥岩基岩内的骨折网络的折射网为主要地下水和溶解的化学迁移途径。作为最近优化研究的一部分，原位化学氧化（ISCO）被鉴定为源区处理的可行选择，其目的是降低生命周期成本和用于动脉的操作的补救时间范围。本文介绍了一项相控方法的结果，该方法是实施的，以进一步表征源区，并评估ISCO作为源治疗技术的可行性。

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