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CX-005034: Categorical Exclusion Determination

Provide Power to Existing River Discharge and Monitoring System, 331 Facility, Hanford Site
CX(s) Applied: B2.5
Date: 01/13/2011
Location(s): Hanford, Washington
Office(s): Environmental Management, Office of River Protection-Richland Office

Install new conduit and electrical wire from the east exterior of 331 Facility to the existing Pacific Northwest National Laboratory River Water Outfall Discharge and Monitoring Station, located near the bank of the Columbia River. The discharge station serves the aquatic research laboratory in the 331 Facility. Conduit will be installed in a trench (approximately 30 feet long, 18-24 inches deep, and 12 inches wide) that extends from the building, under the driveway and parking lot (within the conduit that is already in place under the paving), and to the discharge and monitoring station.