ISO 17201-5:2010
Acoustics -- Noise from shooting ranges -- Part 5: Noise management
Product Details
ISO 17201-5:2010 applies to weapons with calibres of less than 20 mm or explosive charges of less than 50 g TNT equivalent and pressures of less than 1 kPa at the reception point.
NOTE National or other regulations, which could be more stringent, can apply.