Ariz. Admin. Code § 11-1-2106
Current through Register Vol. 30, No. 50, December 13, 2024
Hoods and ducts that are to be used in the digestion and/or evaporation, involving the use of perchloric acid must be made of chemically inert, non-combustible material and so constructed and designed that they can be thoroughly washed with water. The exhaust system shall discharge to a safe location and the fans be accessible for cleaning.
Ariz. Admin. Code § R11-1-2106