CX-012555: Categorical Exclusion Determination

Well Installations at R-Area Operable Unit CX(s) Applied: B3.1Date: 41879 Location(s): South CarolinaOffices(s): Savannah River Operations Office

Office of NEPA Policy and Compliance

August 28, 2014
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Well Installations at R-Area Operable Unit
CX(s) Applied: B3.1
Date: 41879
Location(s): South Carolina
Offices(s): Savannah River Operations Office

Rev.0 - Scope entails the installation of four (4) groundwater monitoring wells at R Area in support of the Effectiveness Monitoring Plan for the R-Area Operable Unit. Wells will be installed via Rotosonic drilling method to various depths. Two (2) wells are planned for installation near the 105-R while the remaining two (2) are located north of R Area. Rev.1 - Scope entails the installation of one (1) groundwater monitoring well at R Area in support of the 2013 R-Area Groundwater Effectiveness Monitoring Report. The well will be installed using the rotosonic drilling method to about 140 feet below ground surface, adjacent to two existing wells.

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