Project No. 1825
Monthly Environmental Monitoring & Audit Report for Port Shelter Phase 3, Po Toi O Sewerage Treatment Plant                                                             
1-hour TSP Monitoring Data
Month 2021/03
Monitoring Location :  AMS-1N
Start Date 2021-03-03 2021-03-09 2021-03-15 2021-03-19 2021-03-25 2021-03-29
  1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr
Start Time 10:37 11:37 12:37 10:27 11:27 12:27 12:59 13:59 14:59 15:30 16:30 17:30 15:51 16:51 17:51 15:21 16:21 17:21
Concentration
(µg/m3)
57 49 51 58 62 59 66 73 76 54 57 58 81 82 86 61 62 63
Action Level 319 319 319 319 319 319 319 319 319 319 319 319 319 319 319 319 319 319
Limit Level 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
Monitoring Location :  AMS-2N1
Start Date 2021-03-03 2021-03-09 2021-03-15 2021-03-19 2021-03-25 2021-03-29
  1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr
Start Time 15:41 16:41 17:41 11:33 12:33 13:33 15:45 16:45 17:45 15:45 16:45 17:45 15:02 16:02 17:02 15:17 16:17 17:17
Concentration
(µg/m3)
90 96 98 75 83 82 69 76 94 64 68 69 36 40 51 52 51 55
Action Level 279 279 279 279 279 279 279 279 279 279 279 279 279 279 279 279 279 279
Limit Level 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
Monitoring Location :  AMS-3N
Start Date 2021-03-03 2021-03-09 2021-03-15 2021-03-19 2021-03-25 2021-03-29
  1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr
Start Time 15:47 16:47 17:47 11:41 12:41 13:41 15:26 16:26 17:26 15:15 16:15 17:15 15:14 16:14 17:14 15:07 16:07 17:07
Concentration
(µg/m3)
45 45 53 88 88 85 93 109 127 48 56 70 73 83 86 45 50 53
Action Level 303 303 303 303 303 303 303 303 303 303 303 303 303 303 303 303 303 303
Limit Level 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
Monitoring Location :  AMS-4N
Start Date 2021-03-03 2021-03-09 2021-03-15 2021-03-19 2021-03-25 2021-03-29
  1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr 1st hr 2nd hr 3rd hr
Start Time 15:58 16:58 17:58 15:59 16:59 17:59 15:18 16:18 17:18 15:05 16:05 17:05 15:38 16:38 17:38 15:26 16:26 17:26
Concentration
(µg/m3)
103 99 103 77 84 99 68 87 96 49 58 67 45 49 52 54 59 56
Action Level 278 278 278 278 278 278 278 278 278 278 278 278 278 278 278 278 278 278
Limit Level 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500