The equipment batch, as defined by the United States Environmental Protection Agency via its SEDD Specification Version 5.2, is "an identifier that is used to link multiple samples collected using the same equipment in a defined period of time. Operationally, this batch associates a field equipment blank with a group of samples."
- U.S. Environmental Protection Agency (March 2019). "Appendix A. Data Element Dictionary (DED)" (PDF). SEDD Specification Version 5.2. https://www.epa.gov/sites/default/files/2019-05/documents/sedd_spec_v5-2-march_2019_508.pdf. Retrieved 22 September 2022.