September 18, 2019

CX-020849: A/M Area Vadose Zone Abandon Wells MVE-13, MVE-17, & MVE-19 & Transition Well MRS-34 to Passive Soil Vapor Extraction

This activity involves installing a MicroBlower™ at existing well MRS-34. Furthermore, three existing vadose zone wells (i.e., MVE-13, MVE-17, and…

May 7, 2019

CX-020272: Western Sector Treatment System Transition from Active Soil Vapor Extraction (SVE) to Passive SVE Including Well Abandonments

Ten soil vapor extraction wells (SVE) wells will be disconnected from the Western Sector Treatment System (WSTS) active SVE system and reconfigured…

June 16, 2015

CX-014155: Categorical Exclusion Determination

Soil Vapor Extraction Well AF-8 Vented to Atmosphere CX(s) Applied: B6.9Date: 06/16/2015 Location(s): South CarolinaOffices(s): Savannah River Operations Office

April 29, 2015

CX-013548: Categorical Exclusion Determination

Convert 15 ABRP Wells From the Active SVE System to Microblower Baroball SVE and Convert Two Dry A-Area Groundwater Monitoring Wells to SVE Operation CX(s) Applied: B6.9Date: 04/29/2015 Location(s): South CarolinaOffices(s): Savannah River Operations O...

September 19, 2012

CX-010370: Categorical Exclusion Determination

Interim Corrective Measures to Control Migration of Contaminated Groundwater CX(s) Applied: B6.9 Date: 09/19/2012 Location(s): California Offices(s): Berkeley Site Office

December 13, 2011

CX-007653: Categorical Exclusion Determination

Install Purge Water Management Unit(s) at Chemicals, Metals, and Pesticides Pits Monitoring Well(s) CX(s) Applied: B6.9 Date: 12/13/2011 Location(s): South Carolina Offices(s): Savannah River Operations Office

May 13, 2011

CX-006406: Categorical Exclusion Determination

Silver Chloride Injection at the F Area Hazardous Waste Management Facilities Barrier WallCX(s) Applied: B6.9Date: 05/13/2011Location(s): Aiken, South CarolinaOffice(s): Environmental Management, Savannah River Operations Office