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A suitable inert incombustible material or device used to confine or separate explosives in a drill hole, or to cover explosives in mud-capping.

Related Code Sections

1926.914(x) Blasting and the Use of Explosives, Stemming
A suitable inert incombustible material or device used to confine or separate explosives in a drill hole, or to cover explosives in mud-capping ...
1926.452(w)(9) Scaffolds,
Caster stems and wheel stems shall be pinned or otherwise secured in scaffold legs or adjustment screws ...
1926.905(o) Blasting and the Use of Explosives,
All blast holes in open work shall be stemmed to the collar or to a point which will confine the charge ...
1926.350(d)(5) Welding and Cutting,
If, when the valve on a fuel gas cylinder is opened, there is found to be a leak around the valve stem, the valve shall be closed and the gland nut ...
1926.908(a) Blasting and the Use of Explosives,
Care shall be taken to select a detonating cord consistent with the type and physical condition of the bore hole and stemming and the type ...