24-hour TSP Monitoring Results | ||||||||||||||
Location AM9(a) - Work Site Boundary (Near Ngong Shuen Chau Barracks Group 2) | ||||||||||||||
Start Date | Weather | Air | Atmospheric | Filter Weight (g) | Particulate | Elapse Time | Sampling | Flow Rate (m3/min.) | Av. flow | Total vol. | Conc. | |||
Condition | Temp. (K) | Pressure, Pa (mmHg) | Initial | Final | Weight (g) | Initial | Final | Time(hrs.) | Initial | Final | (m3/min) | (m3) | (µg/m3) | |
3-Jul-17 | Cloudy | 301.6 | 757.1 | 3.3038 | 3.4150 | 0.1112 | 7833.6 | 7857.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1756.4 | 63.3 |
7-Jul-17 | Cloudy | 301.7 | 758.3 | 2.8809 | 2.9885 | 0.1076 | 7857.6 | 7881.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1757.6 | 61.2 |
13-Jul-17 | Sunny | 302.7 | 759.6 | 2.8440 | 2.9074 | 0.0634 | 7881.6 | 7905.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1756.0 | 36.1 |
19-Jul-17 | Cloudy | 300.4 | 759.8 | 2.8561 | 2.9491 | 0.0930 | 7905.6 | 7929.6 | 24.0 | 1.23 | 1.22 | 1.22 | 1763.7 | 52.7 |
25-Jul-17 | Sunny | 301.9 | 756.3 | 3.6035 | 3.7142 | 0.1107 | 7929.6 | 7953.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1754.4 | 63.1 |
31-Jul-17 | Cloudy | 304.1 | 751.0 | 2.8520 | 3.0474 | 0.1954 | 7953.6 | 7977.6 | 24.0 | 1.21 | 1.21 | 1.21 | 1740.6 | 112.3 |
Min | 36.1 | |||||||||||||
Max | 112.3 | |||||||||||||
Average | 64.8 | |||||||||||||