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 | ||||||
2019-05-06 | 2.6749 | 2.7162 | 0.0413 | 35.67 | 59.67 | 24.00 | 51 | 51 | 51.0 | 2079.59 | 19.9 | Cloudy | ||
2019-05-10 | 2.6512 | 2.7551 | 0.1039 | 62.67 | 86.67 | 24.00 | 51 | 51 | 51.0 | 2079.59 | 50.0 | Sunny | ||
2019-05-16 | *No data was provided, due to the eletricity supply was suspended. | |||||||||||||
2019-05-22 | - | - | - | - | 24.00 | 24.00 | 51 | 51 | 51.0 | 2079.59 | 67.2 | Sunny | ||
2019-05-28 | - | - | - | - | 24.00 | 24.00 | 51 | 51 | 51.0 | 2079.59 | 71.2 | 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. | ||||||||||||||