Sound levels (dB) recorded in various modes of transport
| Transport mode | LEQ | LMax | Peak “C” |
|---|---|---|---|
| Values are mean (SD). | |||
| LEQ, “A” weighted, sound range of the human ear; LMax, maximum level for the “A” weighted sound range of the human ear; Peak “C”, sound levels representing all frequency sound level exposure. | |||
| Ambulance, country (n=8) | 74.1 (0.7) | 77.2 (0.9) | 115.4 (4.5) |
| Ambulance, town (n=38) | 64.9 (1.9) | 72.5 (3.4) | 109.4 (6.3) |
| Fixed wing (n=24) | 80.9 (0.9) | 83.3 (2.3) | 107.9 (6.9) |
| Helicopter (n=4) | 82.2 (0.9) | 84.1 (2.10 | 121 (0.4) |