Section R11-1-2218. HCN Detection Instrument

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When cyanide solution is utilized inside an enclosed structure, an audible and visual HCN warning device shall be installed and set to activate at an HCN concentration of 10 ppm.

Historical Note

Adopted effective August 2, 1985 (Supp. 85-4).

Amended effective July 6, 1993 (Supp. 93-3).

                    
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