Severity index (S)

Noise measured

5

-

4

LEX,8h > 87 dB(A)

LCpeak > 140 dB(C)

3

85 < LEX,8h ≤ 87 dB(A)

137 < LCpeak ≤ 140 dB(C)

2

80 < LEX,8h ≤ 85 dB(A)

135 < LCpeak ≤ 137 dB(C)

1

LEX,8h ≤ 80 dB(A)

LCpeak ≤ 135 dB(C)