In the laboratory world, handling, as defined by the United States Environmental Protection Agency via its SEDD Specification Version 5.2, is "any manipulation of the sample (e.g., leaching, filtering, ashing) prior to taking a sample aliquot for analysis.
- 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.