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CX-004889: Categorical Exclusion Determination

Casa Grande-Empire (Geological Boring)
CX(s) Applied: B3.1
Date: 08/19/2010
Location(s): Pinal County, Arizona
Office(s): Western Area Power Administration-Desert Southwest Region

Western Area Power Administration proposes to do geologic boring within our right-of-way at structures 18/2, 21/2, 25/1, 37/5, and 41/5 along the existing Casa Grande-Empire 115 kilovolt transmission line. This project involves accessing each bore hole location with a auger/drill and light crew trucks, setting up the drill rig, drilling, collecting soil samples and breaking down the drilling setup.