imageOAR 340-035-0035

Table 9

Industrial and Commercial Noise Source

Standards for Quiet Areas

Allowable Statistical Noise Levels in Any One Hour

 

7:00 a.m. – 10:00 p.m.

10:00 p.m. – 7:00 a.m.

L50

50 dBA

45 dBA

L10

55 dBA

50dBA

L1

60 dBA

55dBA