| Restricted Hours Noise Monitoring Results [1] | |||||||||||||
| Station NM1 | |||||||||||||
| Date | Start Time | End Time | Weather | Noise level (dB(A)), 5 min | Major Construction Noise Source(s) Observed | Other Noise Source(s) Observed | Remarks | Temp. (°C) | Wind Speed (m/s) | Noise Meter Model / ID | Calibrator Model / ID | ||
| Leq | L10 | L90 | |||||||||||
| 01-Apr-11 | 23:38 | 23:43 | Sunny | 60 | 61 | 55 | - | Mainly traffic noise | - | 21 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 23:43 | 23:48 | Sunny | 59 | 61 | 56 | - | |||||||
| 23:48 | 23:53 | Sunny | 60 | 62 | 57 | - | |||||||
| 23:38 | 23:53 | Sunny | 60 | 61 | 56 | ||||||||
| 10-Apr-11 | 10:10 | 10:15 | Sunny | 68 | 70 | 65 | - | Mainly traffic noise | - | 24 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 10:15 | 10:20 | Sunny | 68 | 70 | 65 | - | |||||||
| 10:20 | 10:25 | Sunny | 68 | 70 | 65 | - | |||||||
| 10:10 | 10:25 | Sunny | 68 | 70 | 65 | - | |||||||
| 15-Apr-11 | 23:06 | 23:11 | Fine | 59 | 61 | 56 | Minor noise from nearby playground | Mainly traffic noise | - | 24 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 23:11 | 23:16 | Fine | 59 | 62 | 57 | - | |||||||
| 23:16 | 23:21 | Fine | 59 | 61 | 57 | - | |||||||
| 23:06 | 23:21 | Fine | 59 | 61 | 56 | - | |||||||
| 24-Apr-11 | 10:15 | 10:20 | Cloudy | 68 | 70 | 65 | Nearby playground | Mainly traffic noise | - | 23 | 0.2 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 10:20 | 10:25 | Cloudy | 67 | 70 | 64 | - | |||||||
| 10:25 | 10:30 | Cloudy | 62 | 70 | 64 | - | |||||||
| 10:15 | 10:30 | Cloudy | 67 | 70 | 64 | - | |||||||
| 29-Apr-11 | 23:10 | 23:15 | Cloudy | 59 | 61 | 56 | - | Mainly traffic noise | - | 23 | 0.4 | RION- NL31 (S/N 00983400) | RION - NC73 (S/N 10997142) |
| 23:15 | 23:20 | Cloudy | 59 | 66 | 55 | - | |||||||
| 23:20 | 23:25 | Cloudy | 59 | 67 | 55 | - | |||||||
| 23:10 | 23:25 | Cloudy | 59 | 61 | 55 | - | |||||||
| Min. | 59 | ||||||||||||
| Max. | 68 | ||||||||||||
| [1] No class was held at the school during all the measurement period. | |||||||||||||