Location AM9 - 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) | |
4-Mar-13 | Sunny | 287.6 | 771.8 | 3.1067 | 3.3345 | 0.2278 | 873.6 | 897.6 | 24.0 | 1.25 | 1.25 | 1.25 | 1793.3 | 127.0 |
8-Mar-13 | Sunny | 292.3 | 766.7 | 3.0832 | 3.3630 | 0.2798 | 897.6 | 921.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1771.5 | 157.9 |
14-Mar-13 | Sunny | 292.1 | 767.9 | 3.1054 | 3.3757 | 0.2703 | 921.6 | 945.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1773.5 | 152.4 |
20-Mar-13 | Cloudy | 297.9 | 762.4 | 3.1080 | 3.3444 | 0.2364 | 945.6 | 969.6 | 24.0 | 1.21 | 1.21 | 1.21 | 1748.2 | 135.2 |
26-Mar-13 | Cloudy | 291.5 | 761.8 | 2.9980 | 3.1502 | 0.1522 | 969.6 | 993.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1767.9 | 86.1 |
Min | 86.1 | |||||||||||||
Max | 157.9 | |||||||||||||
Average | 131.7 | |||||||||||||