☰ Revisor of Missouri


Chapter 293

< > Effective - 28 Aug 1959, 2 histories    bottom

  293.570.  State inspection for dust — waterlines to be installed, when, sprinkling. — The director of the division of mine inspection and the inspectors are hereby authorized, empowered and directed to thoroughly inspect all underground excavations in all mines other than coal mines, as often as the director of the division of mine inspection may deem proper, for the purpose of ascertaining or discovering in the air in any such mine or mines the presence of dust in such quantities as shall be injurious to the health of employees engaged in working in such underground excavation; and upon finding dust in the air of any such mine in such quantities as shall tend to injure the health of the employees of such mine, such director or inspector shall immediately notify the owner, managing agent or operator of such mine, in writing, specifying the underground excavation so found to contain dust particles as aforesaid in the air thereof, and such owner, agent or operator of such mine shall within fifteen days after receiving such written notice, provide, install, equip, and thereafter at all times, maintain in such mine an independent waterline, fully equipped and in good serviceable working order and repair, leading up to the face of any and all drifts where such dust is produced, or so close to the face of said drifts so that by the use of suitable hose extension or sprinkling attachments to be supplied by the owner or owners of said mine, the mineral or earth in and adjoining the face of the drift or drifts of such mine can be sprinkled or wet by water from said pipeline, thereupon and thereafter every person drilling, squibbing or blasting in said mine shall keep the face, surface and drill holes in said drift or drifts wet or moist by the use of water from said waterline to such an extent and in such a way as shall prevent, as far as possible, any dust raising from the working of any such face or from the drilling, "blowing" or "shooting" of any hole or holes; and the ground boss in charge of the underground in any such mine, so equipped with a waterline, shall require all ground or dirt after being shot or blasted to be thoroughly wet or sprinkled to such an extent as shall prevent, as far as possible, any dust from arising therefrom while the employees are at work therein.


(L. 1959 S.B. 188 § 61)

---- end of effective  28 Aug 1959 ----

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