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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 R11-1-1505. Welding, burning or cutting restrictions on acid storage tanks, etc.
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All acid storage tanks, drying towers, absorption towers, and lines shall be vented, cleaned, purged and tested for explosive mixture before welding, burning or cutting on them is permitted.