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Site Characterization and Environmental Groundwater Monitoring

Site characterization is the foundation of most environmental projects, whether they are
focused on long-term monitoring, risk assessment, remediation, or some other goal. After a baseline of the site has been obtained, further project work may require monitoring. The goal of monitoring is to provide information on changes in environmental conditions at the site or in a specific medium, over time. This information, in turn, is often used in making decisions regarding the need to do additional work at the site.
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01/30/2018 Site Characterization and Environmental Groundwater Monitoring, Soil and Groudwater, Site Characterization, Hot Topics

Environmental drilling method for groundwater monitoring well

Before the construction of the groundwater monitoring wells, it is necessary to conduct a preliminary investigation of the site, to determine the subsurface site stratigraphy (e.g., soil type and bedrock determination, and to confirm the approximate distribution of the contaminants. This will aid in the selection of the appropriate monitoring well construction and the depth … Continue reading

01/29/2018 Site Characterization and Environmental Groundwater Monitoring, Soil and Groudwater, Site Characterization, Hot Topics

Groundwater Monitoring Well Design

The requirements to design the environmental monitoring well. The main purpose of groundwater monitoring wells is to obtain representative groundwater data, which may include groundwater level, hydraulic conductivity, and groundwater sample analysis data. There are some common errors with the well installation and design for groundwater monitoring wells that may lead to obtain non-representative data. … Continue reading

01/28/2018 Site Characterization and Environmental Groundwater Monitoring, Soil and Groudwater, Site Characterization, Hot Topics

Design of Environmental Monitoring Well

Today, most of the monitoring wells will be constructed of polyvinyl chloride (PVC) or stainless steel, followed by low carbon or galvanized steel. Other materials (ABS, PE, PP) are rarely suitable for the construction of environmental monitoring wells, or the size of production is usually not suitable for the construction of monitoring wells. In selecting … Continue reading

01/27/2018 Site Characterization and Environmental Groundwater Monitoring, Soil and Groudwater, Site Characterization, Hot Topics
样品预处理方法

Sample Pretreatment Options

Another group of parameter-specific field protocols that must be evaluated and included in the SAP are methods for sample pretreatment, including sample filtration and physical and chemical preservation. ASTM has published Standard Guides that address both types of sample pretreatment. ASTM Standard D 6564 (ASTM, 2004k) provides a detailed guide for field filtration of ground-water … Continue reading

01/25/2018 Site Characterization and Environmental Groundwater Monitoring, Soil and Groudwater, Site Characterization, Hot Topics
图3：采样管簇

Environmental Application of Flexible Liner Underground Technology (FLUTe)

FLUTe methods include a wide variety of flexible liner designs to perform functions. FLUTe provide a continuous seal of a borehole or pipe, and prevent migration of formation fluids through the open hole. No sealing grouts or bentonite seals are needed. FLUTe also could carry many useful devices such as tubing, instruments, absorbers, reactive covers, … Continue reading

01/21/2018 Site Characterization and Environmental Groundwater Monitoring, Soil and Groudwater, Site Characterization, Hot Topics
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