Citation
Unknown. 1958. “Federal Specification: Herbicide, 2,4, 5-Trichlorophenoxyacetic Acid (2,4,5-T) (Salts and Esters), O-H-210a.” Special Collections, USDA National Agricultural Library. Accessed March 16, 2025, https://www.nal.usda.gov/exhibits/speccoll/items/show/1368.