Initial Site Assessment

The purpose of a groundwater remedial investigation is to determine the nature and extent of contamination, identify current or potential problems caused by the contamination, and assist in the evaluation and selection of the remedial action. The remedial investigation generally has two phases. The first phase, called initial assessment, involves the use of existing site information and initial field screening techniques to identify potential sources of contamination; develop a conceptual understanding of the site and contamination process; and optimize subsequent, more intrusive, field investigation. The second phase involves a detailed subsurface investigation to assess the magnitude and extent of contamination and evaluate remedial actions.

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