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U.S. DEPARTMENT OF THE INTERIOR
BUREAU OF LAND MANAGEMENT
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Ukiah Field Office

National Environmental Policy Act (NEPA) Environmental Documents

Whenever BLM or anyone else proposes a project on public lands managed by BLM, the project must be analyzed to determine how it will affect the environment.

There are four possible levels of environmental analysis:

  • AD = Administration Determination - An administrator determines that the project is already covered by an earlier analysis.
  • CX = Categorical Exclusion - The project falls into one of several categories of minor, routine projects excluded from needing more analysis.
  • EA = Environmental Assessment - The project is analyzed to see how it may affect the environment, This leads to a Finding of No Significant Impact (FONSI) - or, if the EA shows a significant impact is likely, an EIS is done.
  • EIS = Environmental Impact Statement - A detailed study is done and a report is written stating what the environmental impacts would be, and how they can be avoided or mitigated. 


Bureau of Land Management
Ukiah Field Office
2550 North State Street
Ukiah, CA 95482
Phone: (707) 468-4000
Fax:  (707) 468-4027
Office Hours: 7:45 a.m. - 4:30 p.m., M-F
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