







| Limit Type | LEP,d / LEP,w | LCPeak | Legal Requirements |
| Lower Action Value | 80 dB(A) | 135 dB(C) | Info, training, hearing protection available |
| Upper Action Value | 85 dB(A) | 137 dB(C) | Controls, enforced PPE, signage, health surveillance |
| Exposure Limit Value | 87 dB(A) | 140 dB(C) | Must not be exceeded (even with PPE) |