Effective 28 Aug 2007

319.312. Ground vibration limits to be followed, when — alternative compliance method — limit on acoustic values from blasting. — 1. (1) Any person using explosives in the state of Missouri in which monitoring with a seismograph is required, as provided in section 319.309, shall comply with ground vibration limits based on the U.S. Bureau of Mines Report of Investigations 8507, Appendix B.

(2) In lieu of the ground vibration limit established in subdivision (1) of this subsection, the person using explosives may submit a written request to the division of fire safety to use an alternate compliance method. Such written request shall be supported by sufficient technical information, which may include but not be limited to documented approval of such method by other federal, state, or local political subdivisions which regulate the use of explosives. Upon submittal by the person using explosives of a request to use an alternate compliance method, the state blasting safety board shall issue a written determination as to whether the technical information submitted provides sufficient justification for the alternate method to be used as a method of demonstrating compliance with the provisions of this section.

2. Any person using explosives in the state of Missouri in which monitoring with a seismograph is required, as provided in section 319.309, shall limit acoustic values from blasting to one hundred thirty-three decibels using a two hertz flat response measuring system based on the Office of Surface Mining Regulation 816.67(b)(1)(i).

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(L. 2007 H.B. 298)