7.30.040 MAXIMUM PERMISSIBLE SOUND LEVELS.

(a) It is unlawful for any person to operate or cause to be operated any source of sound at any location within the City or allow the creation of any noise on property owned, leased, occupied or otherwise controlled by such person, which causes the noise level when measured on any other property to exceed:

(1) The noise level standard for that property as specified in Table 7.30.040 for a cumulative period of more than 30 minutes in any hour;

(2) The noise level standard plus five dB for a cumulative period of more than 15 minutes in any hour;

(3) The noise level standard plus 10 dB for a cumulative period of more than five minutes in any hour;

(4) The noise level standard plus 15 dB for a cumulative period of more than one minute in any hour; or

(5) The noise level standard or the maximum measured ambient level, plus 20 dB for any period of time.

(b) If the measured ambient level for any area is higher than the standard set in Table 7.30.040, then the ambient shall be the base noise level standard for purposes of subsection (a)(1) of this section. In such cases, the noise levels for purposes of subsections (a)(2) through (a)(5) of this section shall be increased in five dB increments above the ambient.

* Source: Adapted from "The Model Community Noise Control Ordinance," Office of Noise Control, California Department of Health.