24-hour TSP Monitoring Results at Station SR77 | ||||||||||||||
(Yuen Leng 2) | ||||||||||||||
Sampling Date | Wt. of paper (g) | Elapse Time | Flow Rate (CFM) | Total
Volume (m³) |
TSP
Concentration (¦Ìg/m3) |
Weather | ||||||||
Initial Wt. | Final Wt. | Wt. of dust | Initial | Final | Sampling Hour | Initial | Final | Avg Flow Rate | ||||||
2019-05-22 | - | - | - | - | 24.00 | 24.00 | 51 | 51 | 51.0 | 2079.59 | 67.2 | Sunny | ||
Note: | ||||||||||||||
The electricity supply of HVS at AM1(SR77) was suspended from 16 May 2019 and was no longer available. In order to have a more secure electricity supply, an alternative Handheld TSP meter was proposed to use for the temporary monitoring of 24-hr & 1hr air quality from 22 May 2019. | ||||||||||||||