The following document provides information on the method for determination of free cyanide in waste waters, ground waters, surface waters, drinking waters, soils and solid wastes.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Validated Test Method 9016: Free Cyanide in Water, Soils and Solid Wastes by Microdiffusion (PDF)(30 pp, 604 K, June 2010)