Ariz. Admin. Code § 11-1-2224

Current through Register Vol. 30, No. 24, June 14, 2024

Section R11-1-2224 - Maintaining pH and Records

A. The "make-up"/mixing solution shall be maintained at a pH of 12.0 or higher. The leaching solution shall be maintained at a pH of 10.5 or higher.

B. A shift record shall be kept of pH levels and cyanide concentrations. These records shall be available upon request for inspection by the State Mine Inspector.

Ariz. Admin. Code § R11-1-2224

Adopted effective August 2, 1985 (Supp. 85-4). Amended effective July 6, 1993 (Supp. 93-3).