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Arizona Administrative Code (Last Updated: November 17, 2016) |
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Title 11. MINES |
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Chapter 1. STATE MINE INSPECTOR |
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Article 15. ACID PLANTS AND LEACHING |
Section R11-1-1518. Fittings and other equipment (See REFER- ENCES at end of Article)
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A. The packing and lubricant for pumps, glands, etc., must be of a material recommended for acid handling.
B. The pump glands, flanged fittings, and valve stems will be provided with splash shields or collared in cases where person- nel would be exposed to acid leaks or sprays if acid should escape. The use of colored shields will assist personnel in detecting incipient leaks before they become serious.
C. Where access to the top of the tank truck is needed, the spot will be provided with stairs and platform. Non-combustible construction is preferred. Overhead loading lines will be coun- terweighted with a pulley and weight system or equivalent.
D. Storage tanks shall be clearly marked with the wording “Sulfu- ric Acid” or “Hydrochloric Acid,” etc. (preferably painted yel- low).
E. Approved volume gauges shall be provided for storage tanks.
F. Hose being used to convey acid in loading and unloading will be inspected regularly and replaced or repaired immediately if it becomes worn or a leak appears.