| Lamma
  Power Station Extension - Air Quality Monitoring Data for unit L10/L11
  (Construction) | ||||||||||
| 24-hr
  TSP (µg/m3) | 1-hr
  TSP (µg/m3) | |||||||||
| Date | Reservoir  (AM1) | East
  Gate  (AM2) | Ash
  Lagoon (AM3) | Tai
  Yuen Village (AM4) | Date | Time | Reservoir
  (AM1) | East
  Gate (AM2) | Ash
  Lagoon (AM3) | |
| 4/2/2020 | - | - | - | 21 | 6/2/2020 | 15:00
  - 15:59 | 36 | 36 | 31 | |
| 6/2/2020 | 33 | 34 | 30 | 32 | 16:00
  - 16:59 | 35 | 35 | 30 | ||
| 12/2/2020 | 54 | 51 | 46 | 31 | 17:00
  - 17:59 | 34 | 35 | 30 | ||
| 18/2/2020 | 24 | 26 | 22 | 31 | 12/2/2020 | 15:00
  - 15:59 | 78 | 77 | 56 | |
| 24/2/2020 | 54 | 50 | 47 | 36 | 16:00
  - 16:59 | 75 | 75 | 60 | ||
| 17:00
  - 17:59 | 57 | 61 | 52 | |||||||
|  |  |  |  |  | 18/2/2020 | 15:00
  - 15:59 | 18 | 28 | 21 | |
| Remarks: | 16:00
  - 16:59 | 24 | 33 | 24 | ||||||
| - Makeup sampling for AM4 of 31/1/2020 was conducted on 4/2/2020. | 17:00
  - 17:59 | 31 | 33 | 29 | ||||||
|  | 24/2/2020 | 15:00
  - 15:59 | 62 | 94 | 67 | |||||
| 16:00
  - 16:59 | 51 | 46 | 46 | |||||||
| 17:00
  - 17:59 | 46 | 41 | 37 | |||||||
|  | ||||||||||
| Lamma
  Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation) | ||||||||||
| Date | Daily
  Maximum Stack NOx concentration (mg/Nm3)# | |||||||||
| 1/2/2020 | * |  | ||||||||
| 2/2/2020 | * |  | ||||||||
| 3/2/2020 | * |  | ||||||||
| 4/2/2020 | * |  | ||||||||
| 5/2/2020 | * |  | ||||||||
| 6/2/2020 | * |  | ||||||||
| 7/2/2020 | * |  | ||||||||
| 8/2/2020 | * |  | ||||||||
| 9/2/2020 | * |  | ||||||||
| 10/2/2020 | * |  | ||||||||
| 11/2/2020 | * |  | ||||||||
| 12/2/2020 | * |  | ||||||||
| 13/2/2020 | * |  | ||||||||
| 14/2/2020 | * |  | ||||||||
| 15/2/2020 | * |  | ||||||||
| 16/2/2020 | * |  | ||||||||
| 17/2/2020 | * |  | ||||||||
| 18/2/2020 | * |  | ||||||||
| 19/2/2020 | * |  | ||||||||
| 20/2/2020 | * |  | ||||||||
| 21/2/2020 | * |  | ||||||||
| 22/2/2020 |  | * |  | |||||||
| 23/2/2020 |  | * |  | |||||||
| 24/2/2020 |  | * |  | |||||||
| 25/2/2020 |  | * |  | |||||||
| 26/2/2020 |  | * |  | |||||||
| 27/2/2020 |  | * |  | |||||||
| 28/2/2020 |  | * |  | |||||||
| 29/2/2020 |  | * |  | |||||||
| Note:  |  |  |  |  |  | |||||
| # - Hourly average value. 
  Expressed as at 0¢XC, 101.325kPa, dry and corrected to 15% O2 condition. * - Unit L9 was
  not on load.   |  |  |  |  | ||||||
|  |  |  |  |  |  | 
 | 
 | 
 | 
 | 
 | 
| Lamma
  Power Station Extension - Air Quality Monitoring Data for unit L10
  (Operation) | ||||||||||
| Date | Daily
  Maximum Stack NOx concentration (mg/Nm3)# | |||||||||
| 29/2/2020 | 3 |  | ||||||||
| The
  daily maximum stack NOx concentration complies with the Action/Limit Level
  for all unit loading ranges. Note: # - Hourly average value. 
  Expressed as at 0¢XC, 101.325kPa, dry and corrected to 15% O2 condition. | ||||||||||