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