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Between 7:00 a.m. and 10:00 p.m., impulsive sound shall not equal or exceed 80 decibels. Between 10:00 p.m. and 7:00 a.m., impulsive sound which occurs less than four times in any hour shall not equal or exceed 80 decibels. Impulsive sound which repeats four or more times in any hour shall be measured as continuous sound and shall meet the requirements as shown in Tables I and II.
TABLE I
MAXIMUM PERMISSIBLE A-WEIGHTED SOUND LEVELS WHEN MEASURED OUTDOORS
| RECEIVING PROPERTY CATEGORY | Residential property, or residential portion of a multi-use property | Commercial facility, public service facility, non-residential portion of a multi-use property, or community | |
|---|---|---|---|
| TIME | 7 a.m.-10 p.m. | 10 p.m-7 a.m. | 24 hours |
| Maximum A-Weighted sound level standard, dB | 65 | 50 | 65 |
TABLE II
MAXIMUM PERMISSIBLE A-WEIGHTED SOUND LEVELS WHEN MEASURED INDOORS
| RECEIVING PROPERTY CATEGORY | Residential property, or residential Portion of a multi-use property | Commercial facility or non-residential portion of a multi-use property | |
|---|---|---|---|
| TIME | 7 a.m.-10 p.m. | 10 p.m.-7 a.m. | 24 Hours |
| Maximum A-Weighted sound level standard, dB | 55 | 40 | 55 |
Note: Table II shall only apply when the source and the receptor are separated by a real property line and they also share a common or abutting wall, floor or ceiling, or are on the same parcel of property.
TABLE III
MAXIMUM PERMISSIBLE OCTAVE BAND SOUND PRESSURE LEVELS IN DECIBELS
Receiving Property Category Residential property, or residential portion of a multi-use property Residential property, or residential portion of a multi-use property Commercial facility, public service, facility, non-residential portion of a multi-use property, or community service facility Commercial facility or non-residential portion of a multi-use property
OUTDOORS INDOORS OUTDOORS INDOORS