U.S. Army
U.S. Army's Categorical Exclusions (opens in new tab)Categorical Exclusion
(c) Cultural and natural resources:
Exclusion Text
(3) Scientific studies, surveys, data collection, monitoring, and information gathering activities that are minimally intrusive to the environment. Examples include, but are not limited to topographic surveys; bird counts; wetland mapping; use of remote sensing technologies; geophysical investigations using sonar; inventories, evaluation, and mitigation for historic properties in accordance with NHPA; other cultural and natural resource surveys, inventories, monitoring, and investigations; and geotechnical testing to support preconstruction investigations and facility design when the geotechnical testing technology used is minimally intrusive to the environment (REC required).
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This CE Explorer tool is not an authoritative source and creates no rights or obligations. When using the CE Explorer Tool, Federal agencies and stakeholders should review the relevant agency's NEPA procedures for information about how to apply the CE, including any limitations or potential extraordinary circumstances, and to ensure that a CE is current and applicable to a given proposed action. For ease of use, a link to each agency's NEPA procedures and CEs is provided along with the text of the CE. To adopt and use another agency's categorical exclusion, an agency must follow the steps described in section 109 of NEPA, 42 U.S.C. 4336c.