Restricted Hours Noise Monitoring Results
Station NM4
Date	Start Time	End Time	Weather	Noise level (dB(A)), 5 min			Major Construction Noise Source(s) Observed	Other Noise Source(s) Observed	Remarks	Temp. (°C)	Wind Speed (m/s)	Noise Meter Model / ID	Calibrator Model / ID
				Leq	L10	L90
04-Apr-10	10:04	10:09	Fine	64	67	61	Nil	Occastional ship vessels passby	-	18	0.8	RION- NL31 (S/N 00410224)	RION - NC73 (S/N 10786708)
	10:09	10:14	Fine	65	67	62			-
	10:14	10:19	Fine	65	68	62			-
	10:04	10:19	Fine	65	67	62			Average results during 15 min monitoring
11-Apr-10	10:07	10:12	Fine	65	67	63	Nil	Occastional ship vessels passby	-	23	0.8	RION- NL31 (S/N 00410224)	RION - NC73 (S/N 10786708)
	10:12	10:17	Fine	65	67	63			-
	10:17	10:22	Fine	65	66	63			-
	10:07	10:22	Fine	65	67	63			Average results during 15 min monitoring
18-Apr-10	10:10	10:15	Fine	64	66	62	Nil	Traffic noise	-	20	0.5	RION- NL31 (S/N 00410224)	RION - NC73 (S/N 10786708)
	10:15	10:20	Fine	64	66	62			-
	10:20	10:25	Fine	65	67	63			-
	10:10	10:25	Fine	65	66	62			Average results during 15 min monitoring
25-Apr-10	09:54	09:59	Fine	65	67	63	Nil	Traffic noise	-	21	0.5	RION- NL31 (S/N 0041224)	RION - NC73 (S/N 10786708)
	09:59	10:04	Fine	65	66	63			-
	10:04	10:09	Fine	67	69	64			-
	09:54	10:09	Fine	66	67	63			Average results during 15 min monitoring
												RION- NA27 (S/N 00201194)	RION - NC73 (S/N 10786708)
			Min.	64
			Max.	67