Table 2.
Leq of low-frequency sound level
| Low frequency sound (dB) | Lmax | |
|---|---|---|
| Daytime | Nighttime | |
| SD: standard deviation. | ||
| Max | 109 | 125 |
| Min | 83 | 112 |
| Means | 96 | 117 |
| SD | 7.2 | 4.2 |
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