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quarry safety sum y quarry crusher

CHAPTER 185. PITS AND QUARRIES CHAPTER EXPIRATION DATE: Chapter 185, Pits and Quarries (SafetyRegulation Number 12), expires on April 25, 2021. SUBCHAPTER 1. PURPOSE AND SCOPE 12:185-1.1 Purpose This Chapter is promulgated to establish reasonable minimum requirements for the construction, operation and maintenance of pits and quarries in the interest of the life, health andsafety…

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