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Subchapter 17. Mine Safety Orders
Article 16. Drilling Operations and Jumbos
§7006. Drilling Operation--Underground.
(a) No hole shall be drilled within 2 feet of any hole or chamber that contains or may contain explosives, and no hole shall be drilled at such an angle as to approach within 2 feet of such hole or chamber.
(b) Rock drilling operations shall be performed from a safe floor, platform, or staging which will provide a secure support for both the drilling machine and the operator.
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