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CX-006437: Categorical Exclusion Determination

Validation of Innovative Exploration Techniques, Pilgrim Hot Springs, Alaska
CX(s) Applied: A9, B3.1, B3.7
Date: 08/08/2011
Location(s): Pilgrim Hot Springs, Alaska
Office(s): Energy Efficiency and Renewable Energy, Golden Field Office

University of Alaska , Fairbanks (UAF) would demonstrate the potential geothermal resource at Pilgrim Hot Springs, Alaska. In Phase I, UAF would survey and map the geology of the area to create a conceptual model of the geothermal reservoir. Task II, UAF would repair six existing geothermal wells. Once the modeling is complete, the data would be used to locate two geothermal gradient holes. Two new geothermal gradient holes would be drilled to 500 feet deep (Task 3 and 3.1). This analysis is specific to Task 3 and 3.1 which is Categorical Excludable since the tasks include drilling temperature gradient holes in an existing geothermal field.