466
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
Limit of 
audible
continuous
noise
AE072/092MLERA
AE122/162MLERA
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
Limit of 
audible
continuous 
noise
AE182/242MLERA
Octave band center frequency (Hz)
Octave band sound pressure level (dB)
Limit of 
audible
continuous
noise