Categorical Exclusion Determinations: Washington

The Mission Support Contractor (MSC) and its subcontractors perform small-scale activities undertaken to protect cultural resources (such as fencin…

The Mission Support Contractor (MSC) and its subcontractors perform modifications within or contiguous to an existing structure, in a previously di…

The Mission Support Contractor (MSC) and its subcontractors perform installation of, or improvements to, equipment for personnel safety and health …

The Mission Support Contractor (MSC) and its subcontractors perform construction of electric powerlines approximately 10 miles in length or less, o…

The Mission Support Contractor (MSC) and its subcontractors perform siting, construction, modification, operation, and removal of microwave, radio …

The Mission Support Contractor (MSC) and its subcontractors perform construction or modification of electric power substations or interconnection f…

The Mission Support Contractor (MSC) and its subcontractors perform adding of fiber optic cables to transmission facilities or burying fiber optic …

The Mission Support Contractor (MSC) and its subcontractors perform modifications to existing pump and piping configurations (including, but not li…

The Mission Support Contractor (MSC) and its subcontractors perform deactivations, dismantling, and removal of electric transmission facilities (in…

The Mission Support Contractor (MSC) and its subcontractors perform small-scale, short-term cleanup actions, under RCRA, Atomic Energy Act, or othe…