Categorical Exclusion Determination
Office of NEPA Policy and Compliance
September 26, 2017CH2MHill Plateau Remediation Company and its subcontractors perform siting, construction or modification, and operation of support buildings and support structures (including, but not limited to, trailers and prefabricated and modular buildings) within or contiguous to an already developed area (where active utilities and currently used roads are readily accessible).