Categorical Exclusion Determinations: Arizona

Herbicide Application at One Substation: Lone Butte, located on the Gila River Indian Community During Fiscal Year 2014 CX(s) Applied: B1.3 Date: 07/01/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region

Pinnacle Peak- Rogers 230-kilovolt Double Inset Structure Number 5/1 a installation CX(s) Applied: B4.12 Date: 06/28/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region

Glen Canyon Switchyard - 230 Kilovolt Wavetrap Removal - TZ9A2 on the Navajo Line CX(s) Applied: B4.11 Date: 06/21/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region

Recovery Act: State Geological Survey Contributions to the National Geothermal Data System CX(s) Applied: B3.1 Date: 06/18/2013 Location(s): Arizona Offices(s): Golden Field Office

Pest Control within Buildings at 44 Substations in Arizona, California and Nevada CX(s) Applied: B1.3 Date: 06/06/2013 Location(s): Arizona, California, Nevada Offices(s): Western Area Power Administration-Desert Southwest Region

Liberty Substation Transformer Replacement Project, Maricopa County, Arizona CX(s) Applied: B4.11 Date: 06/06/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region

Parker-Gila 161 Kilovolt Transmission Line Maintenance Project, Structure 92/1 to 94/9 CX(s) Applied: B1.3 Date: 06/05/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region

Road Maintenance on roads Used to Access Groundwater Monitoring Wells South of the Tuba City, Arizona, Uranium Mill Tailing Remedial Action Title I Site CX(s) Applied: B1.3, B3.3, B6.1 Date: 05/28/2013 Location(s): Arizona Offices(s): Legacy Management

Electrical District 2 to Saguaro #2 115 Kilovolt Transmission Line Access Road Maintenance between Structure 26/8 and 26/9 CX(s) Applied: B1.3 Date: 05/20/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region

Davis Dam to Kingman Tap 69 Kilovolt Transmission Line, Overhead Optical Power Ground Wire Installation CX(s) Applied: B4.7 Date: 05/16/2013 Location(s): Arizona Offices(s): Western Area Power Administration-Desert Southwest Region