
An explanatory diagram showing the relationship between the federal-level National Environmental Policy Act (NEPA) and the state-level State Environmental Policy Act (SEPA), illustrated with a map of the United States and a map of Washington State. An arrow indicates SEPA flows from NEPA as the state-level implementation process.Open full document
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An explanatory diagram showing the relationship between the federal-level National Environmental Policy Act (NEPA) and the state-level State Environmental Policy Act (SEPA), illustrated with a map of the United States and a map of Washington State. An arrow indicates SEPA flows from NEPA as the state-level implementation process.