| 24-hour TSP Monitoring Results | ||||||||||||||||
| Location AM2 - Hong Kong & Islands Regional Office, WSD | ||||||||||||||||
| Start Date | Start Time | Weather | Air | Atmospheric | Filter Weight (g) | Particulate | Elapse Time | Sampling | Flow Rate (m3/min.) | Av. flow | Total vol. | Conc. | Filter | |||
| Condition | Temp. (K) | Pressure, Pa (mmHg) | Initial | Final | Weight (g) | Initial | Final | Time(hrs.) | Initial | Final | (m3/min) | (m3) | (µg/m3) | ID no. | ||
| 2-May-17 | 9:00 | Sunny | 297.4 | 761.5 | 3.5921 | 3.7587 | 0.1666 | 12154.0 | 12178.0 | 24.0 | 1.20 | 1.20 | 1.20 | 1734.4 | 96.1 | 170302/029 |
| 12-May-17 | 13:00 | Cloudy | 302.6 | 760.1 | 3.5749 | 3.8188 | 0.2439 | 12178.0 | 12202.0 | 24.0 | 1.19 | 1.19 | 1.19 | 1717.9 | 142.0 | 170401/001 |
| 15-May-2017* | 9:40 | Cloudy | 296.6 | 760.1 | 3.5527 | 3.6831 | 0.1304 | 12202.0 | 12226.0 | 24.0 | 1.22 | 1.22 | 1.22 | 1761.8 | 74.0 | 170401/007 |
| 18-May-17 | 9:00 | Cloudy | 298.9 | 761.6 | 3.6101 | 3.7912 | 0.1811 | 12226.0 | 12250.0 | 24.0 | 1.22 | 1.22 | 1.22 | 1756.7 | 103.1 | 170402/090 |
| 24-May-17 | 9:00 | Cloudy | 297.3 | 759.5 | 3.2543 | 3.3671 | 0.1128 | 12250.0 | 12274.0 | 24.0 | 1.22 | 1.22 | 1.22 | 1759.0 | 64.1 | 170403/059 |
| 29-May-17 | 9:00 | Sunny | 299.4 | 760.3 | 3.5854 | 3.7688 | 0.1834 | 12274.0 | 12298.0 | 24.0 | 1.22 | 1.22 | 1.22 | 1753.8 | 104.6 | 170402/081 |
| Min | 64.1 | |||||||||||||||
| Max | 142.0 | |||||||||||||||
| Average | 97.3 | |||||||||||||||
| Remark: * Due to the interruption of power supply at AM2 on 8 May 2017, the 24hrs -TSP monitoring at AM2 was made up on 15 May 2017. | ||||||||||||||||