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CX-007139: Categorical Exclusion Determination

Electrical District 2- Electrical District 5 Geological Boring
CX(s) Applied: B3.1
Date: 05/16/2011
Location(s): Pinal County, Arizona
Office(s): Western Area Power Administration-Desert Southwest Region

Western proposes to do geologic borings within our right-of-way near structures 21/5, 22/5, 23/6, 25/4, 26/5, 27/6, 28/5, 29/5 & 30/4 along the existing electrical district (ED) #2-ED5 230-kilovolt transmission line. This project involves accessing each bore hole location with a auger/drill rig and light crew trucks, setting up the drill rig, drilling, collecting soil samples and breaking down the drilling setup. Existing access roads and vehicles such as pickup trucks & crew trucks will be used to bring personnel and equipment to the work areas.