The Mission Support Contractor (MSC) and its subcontractors perform modifications within or contiguous to an existing structure, in a previously di…
Office of NEPA Policy and Compliance
December 11, 2019
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The Mission Support Contractor (MSC) and its subcontractors perform modifications within or contiguous to an existing structure, in a previously disturbed or developed area, to enhance workplace habitability (including, but not limited to, installation or improvements to lighting, radiation shielding, or heating/ventilating/air conditioning and its instruments, and noise reduction).