CX-007674: Categorical Exclusion Determination

Replace Degraded Chemical Hood Exhaust Duct in 735-A, D-wing Service Floor CX(s) Applied: B2.3 Date: 10/25/2011 Location(s): South Carolina Offices(s): Savannah River Operations Office

Office of NEPA Policy and Compliance

October 25, 2011
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Replace Degraded Chemical Hood Exhaust Duct in 735-A, D-wing Service Floor
CX(s) Applied: B2.3
Date: 10/25/2011
Location(s): South Carolina
Offices(s): Savannah River Operations Office

The main chemical hood exhaust (CHEX) duct serving the Northeast laboratories in Bldg. 735-A has indications of corrosion after 40 years of service. Activity will replace the affected stainless steel duct with chemical resistant material in accordance with the current design configuration.