Understanding how water interacts with the surface and sub-surface environment at any contaminated location is critical to designing innovative and cost-effective remediation systems or site management strategies.

A thorough delineation and understanding of the geology and hydrogeology affecting any contaminated site strengthens the conceptual site model and provides the framework for design of a groundwater remedial program, if needed. Ultimately, hydrogeological characterization and modeling affects the performance of any remediation technologies deployed as a solution.

The purpose of these investigations and models is to determine flow directions, pathways, and rates of groundwater flow, potential receptors of groundwater, potential contaminants, and the extent of contamination in the subsurface environment. Our use of bold approaches to site conceptualization frequently challenge traditional or pre-conceived notions pertaining to characterization or remedial strategies.

Some of the field methods we employ include borehole exploration (including coring) and 2D or 3D mapping of surface features. For groundwater flow information, we monitor water elevations in wells and adjacent surface waters and perform aquifer tests using pumping or slug tests. We also conduct laboratory analysis of cores and borehole flowmeters. For subsurface chemistry, we collect soil and groundwater samples for analysis. If dense non-aqueous phase liquid (DNAPL) is present, we collect samples and measure the thickness of free product.

Geosyntec's sound, reliable data coupled with our novel thinking lead to a clearer understanding of site concepts by all parties. Cost-saving benefits to our clients are often found in our implementation of the innovative remedies that emerge from our analysis of a site's hydrogeological conditions.

Additionally, Geosyntec practitioners offer clients a wealth of site characterization experience conducted under a wide range of regulatory environments, ranging from state-led programs and projects regulated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and the Resource Conservation and Recovery Act (RCRA). Our professionals have the experience base and technical knowledge to effectively advocate innovative remedial strategies on behalf of our clients. 

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