Appendix C Baseline Noise Monitoring Results
Location : NM6 Customs' Marine Base
(Block H of Government Dockyard) Rooftop
Night-time 23:00-07:00 hrs of the next day on All Days
Date	Start Time	End Time	Noise Level for 5-min, dB(A)									Date	Start Time	End Time	Noise Level for 5-min, dB(A)
	hh:mm	hh:mm	Leq	L10	L90
23-Nov-09	0:43	0:48	60.9	61.5	59.0				1230269	1412538	794328		hh:mm	hh:mm	Leq	L10	L90
	0:48	0:53	59.9	60.0	59.0				977237	1000000	794328		23:01		59.1	60.2	57.5	812830.52	1047128.5	562341.33
	0:53	0:58	60.3	61.0	59.5				1071519	1258925	891251				59.2	60.4	58.1	831763.77	1096478.2	645654.23
24-Nov-09	23:03	23:08	61.0	62.0	59.0				1258925	1584893	794328				59.7	61.3	58.4	933254.3	1348962.9	691830.97
	23:08	23:13	59.8	61.0	58.0				954993	1258925	630957		23:01		59.7	61.0	57.9	933254.3	1258925.4	616595
	23:13	23:18	59.7	60.5	58.5				933254	1122018	707946				59.4	60.8	58.4	870963.59	1202264.4	691830.97
25-Nov-09	6:43	6:48	59.4	61.0	57.0				870964	1258925	501187				59.1	60.7	58.5	812830.52	1174897.6	707945.78
	6:48	6:53	59.7	61.0	58.0				933254	1258925	630957		23:01		58.0	59.1	56.8	630957.34	812830.52	478630.09
	6:53	6:58	59.9	61.0	58.5				977237	1258925	707946				58.8	60.0	57.2	758577.58	1000000	524807.46
26-Nov-09	23:15	23:20	59.3	60.5	58.0				851138	1122018	630957				58.5	59.9	57.0	707945.78	977237.22	501187.23
	23:20	23:25	58.9	60.0	57.0				776247	1000000	501187
	23:25	23:30	59.1	60.0	57.5				812831	1000000	562341
27-Nov-09	6:35	6:40	58.2	59.0	57.0				660693	794328	501187
	6:40	6:45	61.0	59.0	56.5				1258925	794328	446684
	6:45	6:50	58.6	59.5	57.0				724436	891251	501187
28-Nov-09	0:15	0:20	58.9	59.5	58.0				776247	891251	630957
	0:20	0:25	59.1	60.0	58.0				812831	1000000	630957
	0:25	0:30	59.0	60.0	58.0				794328	1000000	630957
29-Nov-09	6:10	6:15	59.7	60.5	58.5				933254	1122018	707946
	6:15	6:20	59.5	60.0	58.5				891251	1000000	707946
	6:20	6:25	59.4	60.5	58.0				870964	1122018	630957
30-Nov-09	6:13	6:18	59.5	60.5	58.0				891251	1122018	630957
	6:18	6:23	60.1	60.5	58.5				1023293	1122018	707946
	6:23	6:28	60.0	60.5	59.0				1000000	1122018	794328
1-Dec-09	23:38	23:43	59.7	61.0	58.0				933254	1258925	630957
	23:43	23:48	60.0	61.0	58.5				1000000	1258925	707946
	23:48	23:53	59.9	60.5	58.5				977237	1122018	707946
2-Dec-09	23:43	23:48	59.8	60.5	59.0				954993	1122018	794328
	23:48	23:53	60.1	60.5	59.0				1023293	1122018	794328
	23:53	23:58	60.0	61.0	58.5				1000000	1258925	707946
3-Dec-09	1:38	1:43	59.7	61.0	58.5				933254	1258925	707946
	1:43	1:48	59.2	60.0	58.5				831764	1000000	707946
	1:48	1:53	60.0	61.5	58.5				1000000	1412538	707946
4-Dec-09	23:01	23:06	59.1	60.2	57.5				812831	1047129	562341
	23:06	23:11	59.2	60.4	58.1				831764	1096478	645654
	23:11	23:16	59.7	61.3	58.4				933254	1348963	691831
5-Dec-09	23:01	23:06	59.7	61.0	57.9				933254	1258925	616595
	23:06	23:11	59.4	60.8	58.4				870964	1202264	691831
	23:11	23:16	59.1	60.7	58.5				812831	1174898	707946
6-Dec-09	23:01	23:06	58.0	59.1	56.8				630957	812831	478630
	23:06	23:11	58.8	60.0	57.2				758578	1000000	524807
	23:11	23:16	58.5	59.9	57.0				707946	977237	501187
		Average	59.6	60.5	58.2
		Min	58.0	59.0	56.5
		Max	61.0	62.0	59.5
Remarks:
#   Public holiday