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CX-007754: Categorical Exclusion Determination

Routine Site Activities at the Rulison, Colorado, Site
CX(s) Applied: B3.1
Date: 12/22/2011
Location(s): Colorado
Offices(s): Legacy Management

To ensure that public safety is maintained, the Department of Energy annually samples 5 area sources of surface water (streams and ponds) and 8 groundwater wells to monitor contaminant concentrations. On a quarterly basis, gas and produced water samples are collected from operating gas wells within a one-mile radius of ground zero.