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	2021/04
	Monitoring Location :	AMS-1N
	Start Date		2021-04-01			2021-04-07			2021-04-13			2021-04-19			2021-04-23
			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	14:13	15:13	16:13	14:27	15:27	16:27	12:22	13:22	14:22	13:02	14:02	15:02
	Concentration (µg/m3)		47	51	49	39	39	36	32	33	32	116	124	110	60	60	62
	Action Level		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
	Monitoring Location :	AMS-2N1
	Start Date		2021-04-01			2021-04-07			2021-04-13			2021-04-19			2021-04-23
			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		15:52	16:52	17:52	14:52	15:52	16:52	12:36	13:36	14:36	15:08	16:08	17:08	15:18	16:18	17:18
	Concentration (µg/m3)		47	50	55	44	47	50	41	45	43	86	84	91	48	45	47
	Action Level		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
	Monitoring Location :	AMS-3N
	Start Date		2021-04-01			2021-04-07			2021-04-13			2021-04-19			2021-04-23
			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		15:04	16:04	17:04	10:50	11:50	12:50	15:47	16:47	17:47	12:52	13:52	14:52	15:31	16:31	17:31
	Concentration (µg/m3)		48	51	53	37	34	32	47	48	53	96	101	93	91	94	99
	Action Level		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
	Monitoring Location :	AMS-4N
	Start Date		2021-04-01			2021-04-07			2021-04-13			2021-04-19			2021-04-23
			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		15:36	16:36	17:36	10:37	11:37	12:37	15:59	16:59	17:59	15:38	16:38	17:38	15:49	16:49	17:49
	Concentration (µg/m3)		48	49	49	46	51	45	37	39	43	86	93	99	93	90	99
	Action Level		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