The Rocky Flats Environmental Technology Site (RFETS, Site or Rocky Flats) has been extensively characterized including groundwater, surface water, soil and air monitoring and sampling; satellite imagery; investigation of areas identified by Colorado Department of Public Health and Environment (CDPHE); interviews with former and present Rocky Flats workers; and by walking the Site to identify potentially disturbed areas. This investigation has resulted in removal actions, in-place remediation of groundwater and, in some cases, no required action. In addition to these actions, additional characterization will be completed, even in areas where there is no suspected contamination.

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