24-hour TSP Monitoring Result for Contract No. SD 2/2020 Sewerage Works at Po Toi O
Monitoring Location :		AMS-1N
Start Date	Weather  Condition	Air Temperature (K)	Atmospheric Pressure (mmHg)	Filter Weight (g)		Particulate weight (g)	Sampling Time (hrs)	Flow Rate (m3/min.)		Average flow (m3/min)	Total volume (m3)	Concentration (ug/m3)
				Initial	Final			Initial	Final
23-Dec-20	Fine	291.4	762.7	2.6865	2.7527	0.0662	24	1.63	1.62	1.63	2345.4	28.2
24-Dec-20	Fine	293.0	762.3	2.7098	2.7844	0.0746	24	1.68	1.67	1.67	2409.7	31.0
25-Dec-20	Fine	291.9	764.1	2.7059	2.7976	0.0917	24	1.66	1.65	1.66	2389.3	38.4
26-Dec-20	Fine	291.7	763.6	2.7095	2.7939	0.0844	24	1.68	1.64	1.66	2389.5	35.3
27-Dec-20	Fine	293.4	761.9	2.6655	2.7134	0.0479	24	1.63	1.69	1.66	2387.2	20.1
28-Dec-20	Fine	293.6	761.2	2.7158	2.7685	0.0527	24	1.55	1.55	1.55	2233.6	23.6
29-Dec-20	Fine	294.0	761.2	2.7087	2.8140	0.1053	24	1.63	1.59	1.61	2321.0	45.4
30-Dec-20	Fine	288.1	767.2	2.6082	2.7618	0.1536	24	1.64	1.62	1.63	2349.4	65.4
31-Dec-20	Fine	283.9	770.3	2.7118	2.7812	0.0694	24	1.68	1.62	1.65	2376.3	29.2
1-Jan-21	Fine	284.8	769.2	2.6927	2.7451	0.0524	24	1.67	1.65	1.66	2397.0	21.9
2-Jan-21	Fine	287.0	767.2	2.7040	2.8113	0.1073	24	1.61	1.62	1.62	2328.0	46.1
3-Jan-21	Fine	289.7	766.5	2.7001	2.8069	0.1068	24	1.67	1.69	1.68	2413.7	44.2
4-Jan-21	Fine	291.3	765.8	2.6822	2.7458	0.0636	24	1.57	1.56	1.57	2258.5	28.2
5-Jan-21	Fine	291.8	765.1	2.6676	2.7579	0.0903	24	1.65	1.65	1.65	2378.7	38.0
											Min	20.1
											Max	65.4
											Average	35
Monitoring Location :		AMS-2N1
Start Date	Weather  Condition	Air Temperature (K)	Atmospheric Pressure (mmHg)	Filter Weight (g)		Particulate weight (g)	Sampling Time (hrs)	Flow Rate (m3/min.)		Average flow (m3/min)	Total volume (m3)	Concentration (ug/m3)
				Initial	Final			Initial	Final
23-Dec-20	Fine	291.4	762.7	2.6983	2.7684	0.0701	24	0.90	0.88	0.89	1284.2	54.6
24-Dec-20	Fine	293.0	762.3	2.7056	2.7826	0.0770	24	0.90	0.88	0.89	1280.9	60.1
25-Dec-20	Fine	291.9	764.1	2.7195	2.8043	0.0848	24	0.90	0.88	0.89	1268.7	66.8
26-Dec-20	Fine	291.7	763.6	2.7205	2.8059	0.0854	24	1.05	1.03	1.04	1502.7	56.8
27-Dec-20	Fine	293.4	761.9	2.6958	2.7895	0.0937	24	0.71	0.69	0.70	1007.4	93.0
28-Dec-20	Fine	293.6	761.2	2.7086	2.7834	0.0748	24	0.82	0.81	0.81	1170.0	63.9
29-Dec-20	Fine	294.0	761.2	2.6140	2.6757	0.0617	24	0.74	0.73	0.74	1060.4	58.2
30-Dec-20	Fine	288.1	767.2	2.6557	2.8429	0.1872	24	0.84	0.81	0.82	1184.0	158.1
31-Dec-20	Fine	283.9	770.3	2.7125	2.7852	0.0727	24	0.70	0.66	0.68	973.6	74.7
1-Jan-21	Fine	284.8	769.2	2.7046	2.7609	0.0563	24	0.81	0.77	0.79	1136.5	49.5
2-Jan-21	Fine	287.0	767.2	2.7051	2.7741	0.0690	24	0.69	0.66	0.67	966.6	71.4
3-Jan-21	Fine	289.7	766.5	2.6687	2.7555	0.0868	24	0.76	0.73	0.74	1071.2	81.0
4-Jan-21	Fine	291.3	765.8	2.6768	2.7954	0.1186	24	0.83	0.81	0.82	1177.3	100.7
5-Jan-21	Fine	291.8	765.1	2.6622	2.7288	0.0666	24	0.67	0.66	0.66	957.5	69.6
											Min	49.5
											Max	158.1
											Average	76
24-hour TSP Monitoring Result for Contract No. SD 2/2020 Sewerage Works at Po Toi O
Monitoring Location :		AMS-3N
Start Date	Weather  Condition	Air Temperature (K)	Atmospheric Pressure (mmHg)	Filter Weight (g)		Particulate weight (g)	Sampling Time (hrs)	Flow Rate (m3/min.)		Average flow (m3/min)	Total volume (m3)	Concentration (ug/m3)
				Initial	Final			Initial	Final
23-Dec-20	Fine	291.4	762.7	2.6955	2.7682	0.0727	24	1.44	1.42	1.43	2061.6	35.3
24-Dec-20	Fine	293.0	762.3	2.6995	2.7710	0.0715	24	1.49	1.48	1.48	2135.2	33.5
25-Dec-20	Fine	291.9	764.1	2.7090	2.8028	0.0938	24	1.39	1.37	1.38	1984.8	47.3
26-Dec-20	Fine	291.7	763.6	2.7158	2.8213	0.1055	24	1.36	1.34	1.35	1946.5	54.2
27-Dec-20	Fine	293.4	761.9	2.6942	2.7630	0.0688	24	1.06	1.05	1.06	1520.8	45.2
28-Dec-20	Fine	293.6	761.2	2.7038	2.7766	0.0728	24	1.22	1.21	1.22	1750.1	41.6
29-Dec-20	Fine	294.0	761.2	2.6026	2.7090	0.1064	24	0.98	1.00	0.99	1423.8	74.7
30-Dec-20	Fine	288.1	767.2	2.6301	2.7169	0.0868	24	1.05	1.02	1.04	1492.0	58.2
31-Dec-20	Fine	283.9	770.3	2.7329	2.7855	0.0526	24	1.14	1.10	1.12	1615.4	32.6
1-Jan-21	Fine	284.8	769.2	2.7159	2.7584	0.0425	24	1.14	1.05	1.09	1575.3	27.0
2-Jan-21	Fine	287.0	767.2	2.6949	2.7303	0.0354	24	1.02	1.00	1.01	1454.8	24.3
3-Jan-21	Fine	289.7	766.5	2.6817	2.7334	0.0517	24	0.96	0.95	0.95	1374.0	37.6
4-Jan-21	Fine	291.3	765.8	2.7076	2.7727	0.0651	24	0.93	0.92	0.93	1333.3	48.8
5-Jan-21	Fine	291.8	765.1	2.6616	2.7242	0.0626	24	1.01	1.00	1.01	1447.7	43.2
											Min	24.3
											Max	74.7
											Average	43
Monitoring Location :		AMS-4N
Start Date	Weather  Condition	Air Temperature (K)	Atmospheric Pressure (mmHg)	Filter Weight (g)		Particulate weight (g)	Sampling Time (hrs)	Flow Rate (m3/min.)		Average flow (m3/min)	Total volume (m3)	Concentration (ug/m3)
				Initial	Final			Initial	Final
23-Dec-20	Fine	291.4	762.7	2.7162	2.7351	0.0189	24	1.34	1.31	1.32	1905.3	9.9
24-Dec-20	Fine	293.0	762.3	2.7219	2.7495	0.0276	24	1.29	1.28	1.29	1854.7	14.9
25-Dec-20	Fine	291.9	764.1	2.7131	2.7245	0.0114	24	1.25	1.26	1.26	1808.2	6.3
26-Dec-20	Fine	291.7	763.6	2.6670	2.6880	0.0210	24	1.25	1.24	1.24	1792.2	11.7
27-Dec-20	Fine	293.4	761.9	2.7188	2.7240	0.0052	24	0.91	0.90	0.91	1305.9	4.0
28-Dec-20	Fine	293.6	761.2	2.6882	2.7207	0.0325	24	1.29	1.33	1.31	1885.6	17.2
29-Dec-20	Fine	294.0	761.2	2.5934	2.6918	0.0984	24	1.31	1.35	1.33	1839.8	53.5
30-Dec-20	Fine	288.1	767.2	2.6069	2.6746	0.0677	24	1.39	1.33	1.36	1960.3	34.5
31-Dec-20	Fine	283.9	770.3	2.7335	2.7863	0.0528	24	1.27	1.24	1.25	1803.9	29.3
1-Jan-21	Fine	284.8	769.2	2.7131	2.7504	0.0373	24	1.26	1.24	1.25	1655.2	22.5
2-Jan-21	Fine	287.0	767.2	2.7130	2.7461	0.0331	24	1.33	1.26	1.29	1779.7	18.6
3-Jan-21	Fine	289.7	766.5	2.7178	2.7556	0.0378	24	1.28	1.28	1.28	1844.1	20.5
4-Jan-21	Fine	291.3	765.8	2.7187	2.7663	0.0476	24	1.34	1.35	1.35	1934.9	24.6
5-Jan-21	Fine	291.8	765.1	2.6602	2.7055	0.0453	24	1.30	1.31	1.30	1868.7	24.2
											Min	4.0
											Max	53.5
											Average	21