Cyanide Clarification of Free and Total Cyanide Analysis for Safe Drinking Water Act Compliance

Free cyanide is regulated under the Safe Drinking Water Act (SDWA). This document outlines and clarifies the Code of Federal Regulations entries associated with monitoring for cyanide under SDWA.

• Cyanide Clarification of Free and Total Cyanide Analysis for SDWA Compliance, Revision 1.0 (pdf) (June 2020, 815-B-20-004)