§ 32-10. Impulsive noise regulations (blasting).

No person shall cause or allow the emission of impulsive sound or air blast from any property-line-noise-source, whether or not such emitting source is located within the City, to any real estate, receiving structure or person thereupon which exceeds the levels tabulated below for specific monitoring systems, when measured at any point within such receiving land within the City; provided, however, that no measurement of sound levels shall be made less than 25 feet from the property-line-noise-source.

A. 

One-tenth Hz high-pass system: 130 dB.

B. 

Two Hz high-pass system: 120 dB.

C. 

Five or six Hz high-pass system: 125 dB.

D. 

C-weighting slow-response system (events not exceeding two seconds duration): 100 dB(c).