4 Va. Admin. Code § 25-40-890

Current through Register Vol. 41, No. 6, November 4, 2024

Section 4VAC25-40-890 - Air overpressure limits

Air overpressure resulting from surface blasting shall not exceed 133 decibels, as measured with a 2Hz or lower flat response microphone, at any inhabited building not owned or leased by the operator.

Derived from VR480-05-1.2 § 6.12, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998; Volume 25, Issue 20, eff. July 8, 2009.

Statutory Authority

§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.