4VAC25-40-910. Seismic testing and evaluation.
Seismic testing and evaluation to determine compliance with blasting regulations shall:
1. Utilize acceptable instrumentation that measures ground vibration, air overpressure, and vibration frequency;
2. Be conducted and analyzed by a qualified person; and
3. Be conducted whenever directed by the division.
Statutory Authority
§§ 45.1-161.3, 45.1-161.294, and 45.1-161.305 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 6.14, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998; Volume 35, Issue 4, eff. November 30, 2018.
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