Laserfiche WebLink
low frequency sound. If the noise source emits noise or sound <br />containing a discrete tone or low frequency sound or vibration <br />the permissible levels shall be five (5) decibels lower than <br />the applicable levels in Table I. If the noise source emits <br />impulsive noise or vibration, or low frequency sound, the <br />levels of Table I shall be lowered by five (5) decibels and <br />measurement of same is made using the fast meter characteristic <br />and the A-weighting network of the sound level meter. It is <br />illegal and shall be deemed a Class 4 misdemeanor for a person <br />to operate or permit to be operated any sound or noise source <br />which generates a sound pressure level exceeding the permitted <br />level when measured outside the real property boundary of the <br />noise source, or at any point within any other property <br />affected by the noise or sounds. <br /> <br /> TABLE I: <br />MAXIMUM SOUND PRESSURE LEVELS <br /> <br />Receiving Land <br />Use Category <br /> <br />Residential <br />Park and recreational <br />Business (commercial) <br />Industrial <br /> <br />Sound Level Limit dB (A) <br /> <br />7:00 a.m.- 10:00 p.m.- <br />10:00 p.m. 7:00 a.m. <br />57 52 <br />67 62 <br />67 62 <br />77 77 <br /> <br />(e) I~ediate threats to health and welfare. <br /> <br /> (1) A noise control officer shall order an immediate halt <br />to any sound which exposes any person to sound levels in excess <br />of those shown below as Table II, "Impulsive Sound Levels." <br /> <br /> (2) Any violation of this section shall be deemed a Class <br />4 misdemeanor. <br /> <br /> TABLE II: <br />IMPULSIVE SOUND LEVELS WHICH POSE AN IMMEDIATE THREAT TO HEALTH <br /> AND WELFARE AND ARE MEASURED AT 50 FEET OR 15 METERS <br /> FROM THE SOURCE OF THE SOUND <br /> <br />Sound Level Limit (dB) <br /> <br />Number of Repetitions <br /> per 24 Hour-Period <br /> <br />140 1 <br />135 10 <br />125 100 <br /> <br /> <br />