Skip to main content
U.S. flag

An official website of the United States government

This entry comes from a compiled reference dataset, not an agency-published machine-readable feed. Consult the source references below. This label does not establish who compiled the dataset or its legal authority.

<< Go back to CE Search

Categorical Exclusion (CE)

Legacy CEQ-compiled dataset (pre-authoritative baseline)

Compiled reference Defense Threat Reduction Agency's Categorical Exclusions (opens in new tab)

Categorical Exclusion

Defense Threat Reduction Agency (DTRA)

Exclusion Text

20. Research, testing, and operations conducted at existing facilities (including contractor-operated laboratories and plants) and in compliance with all applicable safety, environmental, and natural conservation laws (because of these controls, these types of activities have little potential for significant environmental impacts). Examples include, but are not limited to: nuclear weapons effects simulators, weapons performance measurement, wind tunnels, high energy lasers, remote sensing instruments, vacuum chambers, high altitude simulator facilities, and propellant testing facilities.

Provenance

  • Agency: Legacy CEQ-compiled dataset (pre-authoritative baseline) (LEGACY)
  • Source provenance: Compiled reference
  • Source type: legacy seed
  • Identifier: DTRA---1-20
  • Fetched at: 1970-01-01T00:00:00+00:00 (not an agency verification date)

Source legal reference

CEQ-compiled compendium of Federal categorical exclusions (historical, non-authoritative baseline)

Disclaimer

This CE Explorer tool is not an authoritative source and creates no rights or obligations. Review the relevant agency's NEPA procedures before applying a categorical exclusion.

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. 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.

permitting.innovation.gov

An official website of the General Services Administration

Looking for U.S. government information and services?
Visit USA.gov