scope:

This standard describes engineering methods that may be used to calculate the C -weighted sound exposure level of blast or high-energy impulsive sounds at distances ranging from 1 to 30 km from the source. Sources of high-energy impulsive sounds include blasting at mines or quarries, guns, military weapons, and other explosive devices that utilize non-nuclear explosives with a total explosive mass between 50 g and 1000 kg. The engineering methods described in this Standard may be used in environmental assessments to supplement the information determined by application of the procedures in Part 4 of ANSI S12.9-1997. For explosive masses greater than 1000 kg, the procedures in ANSI S2.20-1983 (R 1989) should be used to estimate the peak sound pressure level at a receiver location.