24-hour TSP Monitoring Results | ||||||||||||||
Location AM9 - Work Site Boundary (Near Ngong Shuen Chau Barracks Group 2) | ||||||||||||||
Start Date | Weather Condition | Air Temp. | Atmospheric | Filter Weight (g) | Particulate | Elapse Time | Sampling | Flow Rate (m3/min.) | Av. flow | Total vol. | Conc. | |||
(K) | Pressure, Pa (mmHg) | Initial | Final | Weight (g) | Initial | Final | Time(hrs.) | Initial | Final | (m3/min) | (m3) | (µg/m3) | ||
2-Jul-14 | Sunny | 302.0 | 758.1 | 3.2011 | 3.3527 | 0.1516 | 3009.6 | 3033.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1764.6 | 85.9 |
8-Jul-14 | Sunny | 302.3 | 753.1 | 3.2022 | 3.4045 | 0.2023 | 3033.6 | 3057.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1758.5 | 115.0 |
11-Jul-14 | Sunny | 302.1 | 759.5 | 3.2595 | 3.3659 | 0.1064 | 3057.6 | 3081.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1765.9 | 60.3 |
18-Jul-14 | Cloudy | 302.2 | 759.4 | 3.2401 | 3.3573 | 0.1172 | 3081.6 | 3105.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1765.5 | 66.4 |
24-Jul-14 | Sunny | 303.3 | 752.5 | 3.2038 | 3.4057 | 0.2019 | 3105.6 | 3129.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1755.3 | 115.0 |
30-Jul-14 | Sunny | 302.6 | 756.9 | 3.2200 | 3.4376 | 0.2176 | 3129.6 | 3153.6 | 24.0 | 1.22 | 1.22 | 1.22 | 1761.8 | 123.5 |
Min | 60.3 | |||||||||||||
Max | 123.5 | |||||||||||||
Average | 94.4 |