Defense Threat Reduction Agency
Defense Threat Reduction Agency's Categorical Exclusions (opens in new tab)Categorical Exclusion
Defense Threat Reduction Agency (DTRA)
Exclusion Text
6. Studies, monitoring, data and sample collection, and information gathering that involve no permanent physical change to the environment. If any of these activities result in proposals for further action, those proposals must be considered by an appropriate CATEX or NEPAanalysis. Examples include, but are not limited to: Surveys for threatened and endangered species, wildlife and wildlife habitat, historic properties, and archeological sites; wetland delineations; minimal water, air, waste; material and soil sampling (e.g., grab samples); Environmental Baseline Surveys or Environmental Condition of Property Surveys; and Topographical surveying and mapping that does not require cutting and/or removal of trees.
Disclaimer
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.
