An official website of the United States government.

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.

Memorandum: Malignant Neoplasm Cases in the Agent Orange Registry, from Han K. Kang to Acting Director, Agent Orange Projects Office, April 14, 1983

Citation

Kang, Han K.. “Memorandum: Malignant Neoplasm Cases in the Agent Orange Registry, from Han K. Kang to Acting Director, Agent Orange Projects Office, April 14, 1983.” Special Collections, USDA National Agricultural Library. Accessed August 8, 2026, https://www.nal.usda.gov/exhibits/speccoll/items/show/2642.