Ariz. Admin. Code § 11-1-2033
Current through Register Vol. 30, No. 45, November 8, 2024
Phosphorous pentasulfide shall be added slowly to the sodium hydroxide solution from a container large enough to hold just the amount needed for one bath. This conveyor shall be constructed of spark-resistant materials, driven by an explosion-proof motor, thermostatically controlled at a safe mixing solution temperature. The container shall be electrically bonded and grounded or constructed of non-sparking material.
Ariz. Admin. Code § R11-1-2033