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) | |
1-Sep-17 | Cloudy | 300.3 | 757.8 | 2.8947 | 3.0836 | 0.1889 | 8097.6 | 8121.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1777.5 | 106.3 |
7-Sep-17 | Cloudy | 302.4 | 759.1 | 2.8652 | 2.9982 | 0.1330 | 8121.6 | 8145.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1772.7 | 75.0 |
13-Sep-17 | Cloudy | 302.6 | 761.0 | 2.8458 | 3.0178 | 0.1720 | 8145.6 | 8169.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1774.4 | 96.9 |
19-Sep-17 | Sunny | 302.7 | 760.9 | 3.3412 | 3.4820 | 0.1408 | 8169.6 | 8193.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1774.0 | 79.4 |
25-Sep-17 | Sunny | 301.3 | 761.0 | 3.3481 | 3.4202 | 0.0721 | 8169.6 | 8193.6 | 24.0 | 1.24 | 1.23 | 1.24 | 1778.5 | 40.5 |
29-Sep-17 | Sunny | 302.6 | 763.1 | 2.8326 | 2.9070 | 0.0744 | 8193.6 | 8217.6 | 24.0 | 1.23 | 1.23 | 1.23 | 1776.9 | 41.9 |
Min | 40.5 | |||||||||||||
Max | 106.3 | |||||||||||||
Average | 73.3 |